aclocal.m4

   1 # aclocal.m4 generated automatically by aclocal 1.6.3 -*- Autoconf -*-
   2
   3 # Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002
   4 # Free Software Foundation, Inc.
   5 # This file is free software; the Free Software Foundation
   6 # gives unlimited permission to copy and/or distribute it,
   7 # with or without modifications, as long as this notice is preserved.
   8
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
  11 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  12 # PARTICULAR PURPOSE.
  13
  14 dnl ---------------------------------------------------------------------------
  15 dnl
  16 dnl Macros for configure.in for wxWindows by Robert Roebling, Phil Blecker,
  17 dnl Vadim Zeitlin and Ron Lee
  18 dnl
  19 dnl This script is under the wxWindows licence.
  20 dnl
  21 dnl Version: $Id$
  22 dnl ---------------------------------------------------------------------------
  23
  24 dnl ===========================================================================
  25 dnl macros to find the a file in the list of include/lib paths
  26 dnl ===========================================================================
  27
  28 dnl ---------------------------------------------------------------------------
  29 dnl call WX_PATH_FIND_INCLUDES(search path, header name), sets ac_find_includes
  30 dnl to the full name of the file that was found or leaves it empty if not found
  31 dnl ---------------------------------------------------------------------------
  32 AC_DEFUN([WX_PATH_FIND_INCLUDES],
  33 [
  34 ac_find_includes=
  35 for ac_dir in $1 /usr/include;
  36   do
  37     if test -f "$ac_dir/$2"; then
  38       ac_find_includes=$ac_dir
  39       break
  40     fi
  41   done
  42 ])
  43
  44 dnl ---------------------------------------------------------------------------
  45 dnl call WX_PATH_FIND_LIBRARIES(search path, header name), sets ac_find_libraries
  46 dnl to the full name of the file that was found or leaves it empty if not found
  47 dnl ---------------------------------------------------------------------------
  48 AC_DEFUN([WX_PATH_FIND_LIBRARIES],
  49 [
  50 ac_find_libraries=
  51 for ac_dir in $1 /usr/lib;
  52   do
  53     for ac_extension in a so sl dylib; do
  54       if test -f "$ac_dir/lib$2.$ac_extension"; then
  55         ac_find_libraries=$ac_dir
  56         break 2
  57       fi
  58     done
  59   done
  60 ])
  61
  62 dnl ---------------------------------------------------------------------------
  63 dnl Path to include, already defined
  64 dnl ---------------------------------------------------------------------------
  65 AC_DEFUN([WX_INCLUDE_PATH_EXIST],
  66 [
  67   dnl never add -I/usr/include to the CPPFLAGS
  68   if test "x$1" = "x/usr/include"; then
  69     ac_path_to_include=""
  70   else
  71     echo "$2" | grep "\-I$1" > /dev/null
  72     result=$?
  73     if test $result = 0; then
  74       ac_path_to_include=""
  75     else
  76       ac_path_to_include=" -I$1"
  77     fi
  78   fi
  79 ])
  80
  81 dnl ---------------------------------------------------------------------------
  82 dnl Path to link, already defined
  83 dnl ---------------------------------------------------------------------------
  84 AC_DEFUN([WX_LINK_PATH_EXIST],
  85 [
  86   echo "$2" | grep "\-L$1" > /dev/null
  87   result=$?
  88   if test $result = 0; then
  89     ac_path_to_link=""
  90   else
  91     ac_path_to_link=" -L$1"
  92   fi
  93 ])
  94
  95 dnl ===========================================================================
  96 dnl C++ features test
  97 dnl ===========================================================================
  98
  99 dnl ---------------------------------------------------------------------------
 100 dnl WX_CPP_NEW_HEADERS checks whether the compiler has "new" <iostream> header
 101 dnl or only the old <iostream.h> one - it may be generally assumed that if
 102 dnl <iostream> exists, the other "new" headers (without .h) exist too.
 103 dnl
 104 dnl call WX_CPP_NEW_HEADERS(actiof-if-true, action-if-false-or-cross-compiling)
 105 dnl ---------------------------------------------------------------------------
 106
 107 AC_DEFUN([WX_CPP_NEW_HEADERS],
 108 [
 109   if test "$cross_compiling" = "yes"; then
 110     ifelse([$2], , :, [$2])
 111   else
 112     AC_LANG_SAVE
 113     AC_LANG_CPLUSPLUS
 114
 115     AC_CHECK_HEADERS(iostream)
 116
 117     if test "$ac_cv_header_iostream" = "yes" ; then
 118       ifelse([$1], , :, [$1])
 119     else
 120       ifelse([$2], , :, [$2])
 121     fi
 122
 123     AC_LANG_RESTORE
 124   fi
 125 ])
 126
 127 dnl ---------------------------------------------------------------------------
 128 dnl WX_CPP_BOOL checks whether the C++ compiler has a built in bool type
 129 dnl
 130 dnl call WX_CPP_BOOL - will define HAVE_BOOL if the compiler supports bool
 131 dnl ---------------------------------------------------------------------------
 132
 133 AC_DEFUN([WX_CPP_BOOL],
 134 [
 135   AC_CACHE_CHECK([if C++ compiler supports bool], wx_cv_cpp_bool,
 136   [
 137     AC_LANG_SAVE
 138     AC_LANG_CPLUSPLUS
 139
 140     AC_TRY_COMPILE(
 141       [
 142       ],
 143       [
 144         bool b = true;
 145
 146         return 0;
 147       ],
 148       [
 149         wx_cv_cpp_bool=yes
 150       ],
 151       [
 152         wx_cv_cpp_bool=no
 153       ]
 154     )
 155
 156     AC_LANG_RESTORE
 157   ])
 158
 159   if test "$wx_cv_cpp_bool" = "yes"; then
 160     AC_DEFINE(HAVE_BOOL)
 161   fi
 162 ])
 163
 164 dnl ---------------------------------------------------------------------------
 165 dnl WX_CPP_EXPLICIT checks whether the C++ compiler support the explicit
 166 dnl keyword and defines HAVE_EXPLICIT if this is the case
 167 dnl ---------------------------------------------------------------------------
 168
 169 AC_DEFUN([WX_CPP_EXPLICIT],
 170 [
 171   AC_CACHE_CHECK([if C++ compiler supports the explicit keyword],
 172                  wx_cv_explicit,
 173   [
 174     AC_LANG_SAVE
 175     AC_LANG_CPLUSPLUS
 176
 177     dnl do the test in 2 steps: first check that the compiler knows about the
 178     dnl explicit keyword at all and then verify that it really honours it
 179     AC_TRY_COMPILE(
 180       [
 181         class Foo { public: explicit Foo(int) {} };
 182       ],
 183       [
 184         return 0;
 185       ],
 186       [
 187         AC_TRY_COMPILE(
 188             [
 189                 class Foo { public: explicit Foo(int) {} };
 190                 static void TakeFoo(const Foo& foo) { }
 191             ],
 192             [
 193                 TakeFoo(17);
 194                 return 0;
 195             ],
 196             wx_cv_explicit=no,
 197             wx_cv_explicit=yes
 198         )
 199       ],
 200       wx_cv_explicit=no
 201     )
 202
 203     AC_LANG_RESTORE
 204   ])
 205
 206   if test "$wx_cv_explicit" = "yes"; then
 207     AC_DEFINE(HAVE_EXPLICIT)
 208   fi
 209 ])
 210
 211 dnl ---------------------------------------------------------------------------
 212 dnl a slightly better AC_C_BIGENDIAN macro which allows cross-compiling
 213 dnl ---------------------------------------------------------------------------
 214
 215 AC_DEFUN([WX_C_BIGENDIAN],
 216 [AC_CACHE_CHECK([whether byte ordering is bigendian], ac_cv_c_bigendian,
 217 [ac_cv_c_bigendian=unknown
 218 # See if sys/param.h defines the BYTE_ORDER macro.
 219 AC_TRY_COMPILE([#include <sys/types.h>
 220 #include <sys/param.h>], [
 221 #if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
 222  bogus endian macros
 223 #endif], [# It does; now see whether it defined to BIG_ENDIAN or not.
 224 AC_TRY_COMPILE([#include <sys/types.h>
 225 #include <sys/param.h>], [
 226 #if BYTE_ORDER != BIG_ENDIAN
 227  not big endian
 228 #endif], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)])
 229 if test $ac_cv_c_bigendian = unknown; then
 230 AC_TRY_RUN([main () {
 231   /* Are we little or big endian?  From Harbison&Steele.  */
 232   union
 233   {
 234     long l;
 235     char c[sizeof (long)];
 236   } u;
 237   u.l = 1;
 238   exit (u.c[sizeof (long) - 1] == 1);
 239 }], [ac_cv_c_bigendian=no], [ac_cv_c_bigendian=yes], [ac_cv_c_bigendian=unknown])
 240 fi])
 241 if test $ac_cv_c_bigendian = unknown; then
 242   AC_MSG_WARN([Assuming little-endian target machine - this may be overriden by adding the line "ac_cv_c_bigendian=${ac_cv_c_bigendian='yes'}" to config.cache file])
 243 fi
 244 if test $ac_cv_c_bigendian = yes; then
 245   AC_DEFINE(WORDS_BIGENDIAN)
 246 fi
 247 ])
 248
 249 dnl ---------------------------------------------------------------------------
 250 dnl override AC_ARG_ENABLE/WITH to cache the results in .cache file
 251 dnl ---------------------------------------------------------------------------
 252
 253 AC_DEFUN([WX_ARG_CACHE_INIT],
 254         [
 255           wx_arg_cache_file="configarg.cache"
 256           echo "loading argument cache $wx_arg_cache_file"
 257           rm -f ${wx_arg_cache_file}.tmp
 258           touch ${wx_arg_cache_file}.tmp
 259           touch ${wx_arg_cache_file}
 260         ])
 261
 262 AC_DEFUN([WX_ARG_CACHE_FLUSH],
 263         [
 264           echo "saving argument cache $wx_arg_cache_file"
 265           mv ${wx_arg_cache_file}.tmp ${wx_arg_cache_file}
 266         ])
 267
 268 dnl this macro checks for a three-valued command line --with argument:
 269 dnl   possible arguments are 'yes', 'no', 'sys', or 'builtin'
 270 dnl usage: WX_ARG_SYS_WITH(option, helpmessage, variable-name)
 271 AC_DEFUN([WX_ARG_SYS_WITH],
 272         [
 273           AC_MSG_CHECKING([for --with-$1])
 274           no_cache=0
 275           AC_ARG_WITH($1, [$2],
 276                       [
 277                         if test "$withval" = yes; then
 278                           ac_cv_use_$1='$3=yes'
 279                         elif test "$withval" = no; then
 280                           ac_cv_use_$1='$3=no'
 281                         elif test "$withval" = sys; then
 282                           ac_cv_use_$1='$3=sys'
 283                         elif test "$withval" = builtin; then
 284                           ac_cv_use_$1='$3=builtin'
 285                         else
 286                           AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no, sys, or builtin])
 287                         fi
 288                       ],
 289                       [
 290                         LINE=`grep "$3" ${wx_arg_cache_file}`
 291                         if test "x$LINE" != x ; then
 292                           eval "DEFAULT_$LINE"
 293                         else
 294                           no_cache=1
 295                         fi
 296
 297                         ac_cv_use_$1='$3='$DEFAULT_$3
 298                       ])
 299
 300           eval "$ac_cv_use_$1"
 301           if test "$no_cache" != 1; then
 302             echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
 303           fi
 304
 305           if test "$$3" = yes; then
 306             AC_MSG_RESULT(yes)
 307           elif test "$$3" = no; then
 308             AC_MSG_RESULT(no)
 309           elif test "$$3" = sys; then
 310             AC_MSG_RESULT([system version])
 311           elif test "$$3" = builtin; then
 312             AC_MSG_RESULT([builtin version])
 313           else
 314             AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no, sys, or builtin])
 315           fi
 316         ])
 317
 318 dnl this macro checks for a command line argument and caches the result
 319 dnl usage: WX_ARG_WITH(option, helpmessage, variable-name)
 320 AC_DEFUN([WX_ARG_WITH],
 321         [
 322           AC_MSG_CHECKING([for --with-$1])
 323           no_cache=0
 324           AC_ARG_WITH($1, [$2],
 325                       [
 326                         if test "$withval" = yes; then
 327                           ac_cv_use_$1='$3=yes'
 328                         else
 329                           ac_cv_use_$1='$3=no'
 330                         fi
 331                       ],
 332                       [
 333                         LINE=`grep "$3" ${wx_arg_cache_file}`
 334                         if test "x$LINE" != x ; then
 335                           eval "DEFAULT_$LINE"
 336                         else
 337                           no_cache=1
 338                         fi
 339
 340                         ac_cv_use_$1='$3='$DEFAULT_$3
 341                       ])
 342
 343           eval "$ac_cv_use_$1"
 344           if test "$no_cache" != 1; then
 345             echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
 346           fi
 347
 348           if test "$$3" = yes; then
 349             AC_MSG_RESULT(yes)
 350           else
 351             AC_MSG_RESULT(no)
 352           fi
 353         ])
 354
 355 dnl like WX_ARG_WITH but uses AC_ARG_ENABLE instead of AC_ARG_WITH
 356 dnl usage: WX_ARG_ENABLE(option, helpmessage, variable-name, enablestring)
 357 dnl
 358 dnl enablestring is a hack and allows to show "checking for --disable-foo"
 359 dnl message when running configure instead of the default "checking for
 360 dnl --enable-foo" one whih is useful for the options enabled by default
 361 AC_DEFUN([WX_ARG_ENABLE],
 362         [
 363           enablestring=$4
 364           AC_MSG_CHECKING([for --${enablestring:-enable}-$1])
 365           no_cache=0
 366           AC_ARG_ENABLE($1, [$2],
 367                         [
 368                           if test "$enableval" = yes; then
 369                             ac_cv_use_$1='$3=yes'
 370                           else
 371                             ac_cv_use_$1='$3=no'
 372                           fi
 373                         ],
 374                         [
 375                           LINE=`grep "$3" ${wx_arg_cache_file}`
 376                           if test "x$LINE" != x ; then
 377                             eval "DEFAULT_$LINE"
 378                           else
 379                             no_cache=1
 380                           fi
 381
 382                           ac_cv_use_$1='$3='$DEFAULT_$3
 383                         ])
 384
 385           eval "$ac_cv_use_$1"
 386           if test "$no_cache" != 1; then
 387             echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
 388           fi
 389
 390           if test "$$3" = yes; then
 391             AC_MSG_RESULT(yes)
 392           else
 393             AC_MSG_RESULT(no)
 394           fi
 395         ])
 396
 397
 398 dnl ===========================================================================
 399 dnl Linker features test
 400 dnl ===========================================================================
 401
 402 dnl ---------------------------------------------------------------------------
 403 dnl WX_VERSIONED_SYMBOLS checks whether the linker can create versioned
 404 dnl symbols. If it can, sets LDFLAGS_VERSIONING to $CXX flags needed to use
 405 dnl version script file named versionfile
 406 dnl
 407 dnl call WX_VERSIONED_SYMBOLS(versionfile)
 408 dnl ---------------------------------------------------------------------------
 409 AC_DEFUN([WX_VERSIONED_SYMBOLS],
 410 [
 411   found_versioning=no
 412
 413   dnl FIXME - doesn't work, Solaris linker doesn't accept wildcards
 414   dnl         in the script.
 415   dnl dnl Check for known non-gcc cases:
 416   dnl case "${host}" in
 417   dnl   *-*-solaris2* )
 418   dnl     if test "x$GCC" != "xyes" ; then
 419   dnl         LDFLAGS_VERSIONING="-M $1"
 420   dnl         found_versioning=yes
 421   dnl     fi
 422   dnl   ;;
 423   dnl esac
 424
 425   dnl Generic check for GCC or GCC-like behaviour (Intel C++, GCC):
 426   if test $found_versioning = no ; then
 427       AC_CACHE_CHECK([if the linker accepts --version-script], wx_cv_version_script,
 428       [
 429         echo "VER_1 { *; };" >conftest.sym
 430         echo "int main() { return 0; }" >conftest.cpp
 431
 432         if AC_TRY_COMMAND([
 433                 $CXX -o conftest.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp
 434                 -Wl,--version-script,conftest.sym >/dev/null 2>conftest.stderr]) ; then
 435           if test -s conftest.stderr ; then
 436               wx_cv_version_script=no
 437           else
 438               wx_cv_version_script=yes
 439           fi
 440         else
 441           wx_cv_version_script=no
 442         fi
 443         rm -f conftest.output conftest.stderr conftest.sym conftest.cpp
 444       ])
 445       if test $wx_cv_version_script = yes ; then
 446         LDFLAGS_VERSIONING="-Wl,--version-script,$1"
 447       fi
 448   fi
 449 ])
 450
 451
 452 dnl ===========================================================================
 453 dnl "3rd party" macros included here because they are not widely available
 454 dnl ===========================================================================
 455
 456 dnl ---------------------------------------------------------------------------
 457 dnl test for availability of iconv()
 458 dnl ---------------------------------------------------------------------------
 459
 460 dnl From Bruno Haible.
 461
 462 AC_DEFUN([AM_ICONV],
 463 [
 464   dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
 465   dnl those with the standalone portable GNU libiconv installed).
 466
 467   AC_ARG_WITH([libiconv-prefix],
 468 [  --with-libiconv-prefix=DIR  search for libiconv in DIR/include and DIR/lib], [
 469     for dir in `echo "$withval" | tr : ' '`; do
 470       if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
 471       if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi
 472     done
 473    ])
 474
 475   AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
 476     am_cv_func_iconv="no, consider installing GNU libiconv"
 477     am_cv_lib_iconv=no
 478     AC_TRY_LINK([#include <stdlib.h>
 479 #include <iconv.h>],
 480       [iconv_t cd = iconv_open("","");
 481        iconv(cd,NULL,NULL,NULL,NULL);
 482        iconv_close(cd);],
 483       am_cv_func_iconv=yes)
 484     if test "$am_cv_func_iconv" != yes; then
 485       am_save_LIBS="$LIBS"
 486       LIBS="$LIBS -liconv"
 487       AC_TRY_LINK([#include <stdlib.h>
 488 #include <iconv.h>],
 489         [iconv_t cd = iconv_open("","");
 490          iconv(cd,NULL,NULL,NULL,NULL);
 491          iconv_close(cd);],
 492         am_cv_lib_iconv=yes
 493         am_cv_func_iconv=yes)
 494       LIBS="$am_save_LIBS"
 495     fi
 496   ])
 497   if test "$am_cv_func_iconv" = yes; then
 498     AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
 499     AC_CACHE_CHECK([if iconv needs const], wx_cv_func_iconv_const,
 500       AC_TRY_COMPILE([
 501 #include <stdlib.h>
 502 #include <iconv.h>
 503 extern
 504 #ifdef __cplusplus
 505 "C"
 506 #endif
 507 #if defined(__STDC__) || defined(__cplusplus)
 508 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
 509 #else
 510 size_t iconv();
 511 #endif
 512         ],
 513         [],
 514         wx_cv_func_iconv_const="no",
 515         wx_cv_func_iconv_const="yes"
 516       )
 517     )
 518
 519     iconv_const=
 520     if test "x$wx_cv_func_iconv_const" = "xyes"; then
 521         iconv_const="const"
 522     fi
 523
 524     AC_DEFINE_UNQUOTED(ICONV_CONST, $iconv_const,
 525       [Define as const if the declaration of iconv() needs const.])
 526   fi
 527   LIBICONV=
 528   if test "$am_cv_lib_iconv" = yes; then
 529     LIBICONV="-liconv"
 530   fi
 531   AC_SUBST(LIBICONV)
 532 ])
 533
 534 dnl ---------------------------------------------------------------------------
 535 dnl AC_SYS_LARGEFILE (partly based on the code from autoconf 2.5x)
 536 dnl ---------------------------------------------------------------------------
 537
 538 dnl WX_SYS_LARGEFILE_TEST
 539 dnl
 540 dnl NB: original autoconf test was checking if compiler supported 6 bit off_t
 541 dnl     arithmetic properly but this failed miserably with gcc under Linux
 542 dnl     whereas the system still supports 64 bit files, so now simply check
 543 dnl     that off_t is big enough
 544 define(WX_SYS_LARGEFILE_TEST,
 545 [typedef struct {
 546     unsigned int field: sizeof(off_t) == 8;
 547 } wxlf;
 548 ])
 549
 550
 551 dnl WX_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE, CACHE-VAR)
 552 define(WX_SYS_LARGEFILE_MACRO_VALUE,
 553 [
 554     AC_CACHE_CHECK([for $1 value needed for large files], [$3],
 555         [
 556           AC_TRY_COMPILE([#define $1 $2
 557                           #include <sys/types.h>],
 558                          WX_SYS_LARGEFILE_TEST,
 559                          [$3=$2],
 560                          [$3=no])
 561         ]
 562     )
 563
 564     if test "$$3" != no; then
 565         wx_largefile=yes
 566         AC_DEFINE_UNQUOTED([$1], [$$3])
 567     fi
 568 ])
 569
 570
 571 dnl AC_SYS_LARGEFILE
 572 dnl ----------------
 573 dnl By default, many hosts won't let programs access large files;
 574 dnl one must use special compiler options to get large-file access to work.
 575 dnl For more details about this brain damage please see:
 576 dnl http://www.sas.com/standards/large.file/x_open.20Mar96.html
 577 AC_DEFUN([AC_SYS_LARGEFILE],
 578 [AC_ARG_ENABLE(largefile,
 579                [  --disable-largefile     omit support for large files])
 580 if test "$enable_largefile" != no; then
 581     dnl _FILE_OFFSET_BITS==64 is needed for Linux, Solaris, ...
 582     dnl _LARGE_FILES -- for AIX
 583     wx_largefile=no
 584     WX_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64, ac_cv_sys_file_offset_bits)
 585     if test "x$wx_largefile" != "xyes"; then
 586         WX_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1, ac_cv_sys_large_files)
 587     fi
 588
 589     AC_MSG_CHECKING(if large file support is available)
 590     if test "x$wx_largefile" = "xyes"; then
 591         AC_DEFINE(HAVE_LARGEFILE_SUPPORT)
 592     fi
 593     AC_MSG_RESULT($wx_largefile)
 594 fi
 595 ])
 596
 597
 598 dnl Available from the GNU Autoconf Macro Archive at:
 599 dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_const_cast.html
 600 dnl
 601 AC_DEFUN([AC_CXX_CONST_CAST],
 602 [AC_CACHE_CHECK(whether the compiler supports const_cast<>,
 603 ac_cv_cxx_const_cast,
 604 [AC_LANG_SAVE
 605  AC_LANG_CPLUSPLUS
 606  AC_TRY_COMPILE(,[int x = 0;const int& y = x;int& z = const_cast<int&>(y);return z;],
 607  ac_cv_cxx_const_cast=yes, ac_cv_cxx_const_cast=no)
 608  AC_LANG_RESTORE
 609 ])
 610 if test "$ac_cv_cxx_const_cast" = yes; then
 611   AC_DEFINE(HAVE_CONST_CAST,,[define if the compiler supports const_cast<>])
 612 fi
 613 ])
 614
 615 dnl and http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_static_cast.html
 616 AC_DEFUN([AC_CXX_STATIC_CAST],
 617 [AC_CACHE_CHECK(whether the compiler supports static_cast<>,
 618 ac_cv_cxx_static_cast,
 619 [AC_LANG_SAVE
 620  AC_LANG_CPLUSPLUS
 621  AC_TRY_COMPILE([#include <typeinfo>
 622 class Base { public : Base () {} virtual void f () = 0; };
 623 class Derived : public Base { public : Derived () {} virtual void f () {} };
 624 int g (Derived&) { return 0; }],[
 625 Derived d; Base& b = d; Derived& s = static_cast<Derived&> (b); return g (s);],
 626  ac_cv_cxx_static_cast=yes, ac_cv_cxx_static_cast=no)
 627  AC_LANG_RESTORE
 628 ])
 629 if test "$ac_cv_cxx_static_cast" = yes; then
 630   AC_DEFINE(HAVE_STATIC_CAST,, [define if the compiler supports static_cast<>])
 631 fi
 632 ])
 633
 634 # Configure paths for GTK+
 635 # Owen Taylor     1997-2001
 636
 637 dnl AM_PATH_GTK_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
 638 dnl Test for GTK+, and define GTK_CFLAGS and GTK_LIBS, if gthread is specified in MODULES,
 639 dnl pass to pkg-config
 640 dnl
 641 AC_DEFUN(AM_PATH_GTK_2_0,
 642 [dnl
 643 dnl Get the cflags and libraries from pkg-config
 644 dnl
 645 AC_ARG_ENABLE(gtktest, [  --disable-gtktest       do not try to compile and run a test GTK+ program],
 646                     , enable_gtktest=yes)
 647
 648   pkg_config_args=gtk+-2.0
 649   for module in . $4
 650   do
 651       case "$module" in
 652          gthread)
 653              pkg_config_args="$pkg_config_args gthread-2.0"
 654          ;;
 655       esac
 656   done
 657
 658   no_gtk=""
 659
 660   AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 661
 662   if test x$PKG_CONFIG != xno ; then
 663     if pkg-config --atleast-pkgconfig-version 0.7 ; then
 664       :
 665     else
 666       echo *** pkg-config too old; version 0.7 or better required.
 667       no_gtk=yes
 668       PKG_CONFIG=no
 669     fi
 670   else
 671     no_gtk=yes
 672   fi
 673
 674   min_gtk_version=ifelse([$1], ,2.0.0,$1)
 675   AC_MSG_CHECKING(for GTK+ - version >= $min_gtk_version)
 676
 677   if test x$PKG_CONFIG != xno ; then
 678     ## don't try to run the test against uninstalled libtool libs
 679     if $PKG_CONFIG --uninstalled $pkg_config_args; then
 680           echo "Will use uninstalled version of GTK+ found in PKG_CONFIG_PATH"
 681           enable_gtktest=no
 682     fi
 683
 684     if $PKG_CONFIG --atleast-version $min_gtk_version $pkg_config_args; then
 685           :
 686     else
 687           no_gtk=yes
 688     fi
 689   fi
 690
 691   if test x"$no_gtk" = x ; then
 692     GTK_CFLAGS=`$PKG_CONFIG $pkg_config_args --cflags`
 693     GTK_LIBS=`$PKG_CONFIG $pkg_config_args --libs`
 694     gtk_config_major_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
 695            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
 696     gtk_config_minor_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
 697            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
 698     gtk_config_micro_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
 699            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
 700     if test "x$enable_gtktest" = "xyes" ; then
 701       ac_save_CFLAGS="$CFLAGS"
 702       ac_save_LIBS="$LIBS"
 703       CFLAGS="$CFLAGS $GTK_CFLAGS"
 704       LIBS="$GTK_LIBS $LIBS"
 705 dnl
 706 dnl Now check if the installed GTK+ is sufficiently new. (Also sanity
 707 dnl checks the results of pkg-config to some extent)
 708 dnl
 709       rm -f conf.gtktest
 710       AC_TRY_RUN([
 711 #include <gtk/gtk.h>
 712 #include <stdio.h>
 713 #include <stdlib.h>
 714
 715 int
 716 main ()
 717 {
 718   int major, minor, micro;
 719   char *tmp_version;
 720
 721   system ("touch conf.gtktest");
 722
 723   /* HP/UX 9 (%@#!) writes to sscanf strings */
 724   tmp_version = g_strdup("$min_gtk_version");
 725   if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
 726      printf("%s, bad version string\n", "$min_gtk_version");
 727      exit(1);
 728    }
 729
 730   if ((gtk_major_version != $gtk_config_major_version) ||
 731       (gtk_minor_version != $gtk_config_minor_version) ||
 732       (gtk_micro_version != $gtk_config_micro_version))
 733     {
 734       printf("\n*** 'pkg-config --modversion gtk+-2.0' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n",
 735              $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
 736              gtk_major_version, gtk_minor_version, gtk_micro_version);
 737       printf ("*** was found! If pkg-config was correct, then it is best\n");
 738       printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
 739       printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
 740       printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
 741       printf("*** required on your system.\n");
 742       printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n");
 743       printf("*** to point to the correct configuration files\n");
 744     }
 745   else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
 746            (gtk_minor_version != GTK_MINOR_VERSION) ||
 747            (gtk_micro_version != GTK_MICRO_VERSION))
 748     {
 749       printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
 750              GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
 751       printf("*** library (version %d.%d.%d)\n",
 752              gtk_major_version, gtk_minor_version, gtk_micro_version);
 753     }
 754   else
 755     {
 756       if ((gtk_major_version > major) ||
 757         ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
 758         ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
 759       {
 760         return 0;
 761        }
 762      else
 763       {
 764         printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
 765                gtk_major_version, gtk_minor_version, gtk_micro_version);
 766         printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
 767                major, minor, micro);
 768         printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
 769         printf("***\n");
 770         printf("*** If you have already installed a sufficiently new version, this error\n");
 771         printf("*** probably means that the wrong copy of the pkg-config shell script is\n");
 772         printf("*** being found. The easiest way to fix this is to remove the old version\n");
 773         printf("*** of GTK+, but you can also set the PKG_CONFIG environment to point to the\n");
 774         printf("*** correct copy of pkg-config. (In this case, you will have to\n");
 775         printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
 776         printf("*** so that the correct libraries are found at run-time))\n");
 777       }
 778     }
 779   return 1;
 780 }
 781 ],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
 782        CFLAGS="$ac_save_CFLAGS"
 783        LIBS="$ac_save_LIBS"
 784      fi
 785   fi
 786   if test "x$no_gtk" = x ; then
 787      AC_MSG_RESULT(yes (version $gtk_config_major_version.$gtk_config_minor_version.$gtk_config_micro_version))
 788      ifelse([$2], , :, [$2])
 789   else
 790      AC_MSG_RESULT(no)
 791      if test "$PKG_CONFIG" = "no" ; then
 792        echo "*** A new enough version of pkg-config was not found."
 793        echo "*** See http://pkgconfig.sourceforge.net"
 794      else
 795        if test -f conf.gtktest ; then
 796         :
 797        else
 798           echo "*** Could not run GTK+ test program, checking why..."
 799           ac_save_CFLAGS="$CFLAGS"
 800           ac_save_LIBS="$LIBS"
 801           CFLAGS="$CFLAGS $GTK_CFLAGS"
 802           LIBS="$LIBS $GTK_LIBS"
 803           AC_TRY_LINK([
 804 #include <gtk/gtk.h>
 805 #include <stdio.h>
 806 ],      [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
 807         [ echo "*** The test program compiled, but did not run. This usually means"
 808           echo "*** that the run-time linker is not finding GTK+ or finding the wrong"
 809           echo "*** version of GTK+. If it is not finding GTK+, you'll need to set your"
 810           echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
 811           echo "*** to the installed location  Also, make sure you have run ldconfig if that"
 812           echo "*** is required on your system"
 813           echo "***"
 814           echo "*** If you have an old version installed, it is best to remove it, although"
 815           echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
 816         [ echo "*** The test program failed to compile or link. See the file config.log for the"
 817           echo "*** exact error that occured. This usually means GTK+ is incorrectly installed."])
 818           CFLAGS="$ac_save_CFLAGS"
 819           LIBS="$ac_save_LIBS"
 820        fi
 821      fi
 822      GTK_CFLAGS=""
 823      GTK_LIBS=""
 824      ifelse([$3], , :, [$3])
 825   fi
 826   AC_SUBST(GTK_CFLAGS)
 827   AC_SUBST(GTK_LIBS)
 828   rm -f conf.gtktest
 829 ])
 830
 831 # Configure paths for GTK+
 832 # Owen Taylor     97-11-3
 833
 834 dnl AM_PATH_GTK([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
 835 dnl Test for GTK, and define GTK_CFLAGS and GTK_LIBS
 836 dnl
 837 AC_DEFUN(AM_PATH_GTK,
 838 [dnl
 839 dnl Get the cflags and libraries from the gtk-config script
 840 dnl
 841 AC_ARG_WITH(gtk-prefix,[  --with-gtk-prefix=PFX   Prefix where GTK is installed (optional)],
 842             gtk_config_prefix="$withval", gtk_config_prefix="")
 843 AC_ARG_WITH(gtk-exec-prefix,[  --with-gtk-exec-prefix=PFX Exec prefix where GTK is installed (optional)],
 844             gtk_config_exec_prefix="$withval", gtk_config_exec_prefix="")
 845 AC_ARG_ENABLE(gtktest, [  --disable-gtktest       Do not try to compile and run a test GTK program],
 846                     , enable_gtktest=yes)
 847
 848   for module in . $4
 849   do
 850       case "$module" in
 851          gthread)
 852              gtk_config_args="$gtk_config_args gthread"
 853          ;;
 854       esac
 855   done
 856
 857   if test x$gtk_config_exec_prefix != x ; then
 858      gtk_config_args="$gtk_config_args --exec-prefix=$gtk_config_exec_prefix"
 859      if test x${GTK_CONFIG+set} != xset ; then
 860         GTK_CONFIG=$gtk_config_exec_prefix/bin/gtk-config
 861      fi
 862   fi
 863   if test x$gtk_config_prefix != x ; then
 864      gtk_config_args="$gtk_config_args --prefix=$gtk_config_prefix"
 865      if test x${GTK_CONFIG+set} != xset ; then
 866         GTK_CONFIG=$gtk_config_prefix/bin/gtk-config
 867      fi
 868   fi
 869
 870   AC_PATH_PROG(GTK_CONFIG, gtk-config, no)
 871   min_gtk_version=ifelse([$1], ,0.99.7,$1)
 872   AC_MSG_CHECKING(for GTK - version >= $min_gtk_version)
 873   no_gtk=""
 874   if test "$GTK_CONFIG" = "no" ; then
 875     no_gtk=yes
 876   else
 877     GTK_CFLAGS=`$GTK_CONFIG $gtk_config_args --cflags`
 878     GTK_LIBS=`$GTK_CONFIG $gtk_config_args --libs`
 879     gtk_config_major_version=`$GTK_CONFIG $gtk_config_args --version | \
 880            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
 881     gtk_config_minor_version=`$GTK_CONFIG $gtk_config_args --version | \
 882            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
 883     gtk_config_micro_version=`$GTK_CONFIG $gtk_config_args --version | \
 884            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
 885     if test "x$enable_gtktest" = "xyes" ; then
 886       ac_save_CFLAGS="$CFLAGS"
 887       ac_save_LIBS="$LIBS"
 888       CFLAGS="$CFLAGS $GTK_CFLAGS"
 889       LIBS="$GTK_LIBS $LIBS"
 890 dnl
 891 dnl Now check if the installed GTK is sufficiently new. (Also sanity
 892 dnl checks the results of gtk-config to some extent
 893 dnl
 894       rm -f conf.gtktest
 895       AC_TRY_RUN([
 896 #include <gtk/gtk.h>
 897 #include <stdio.h>
 898 #include <stdlib.h>
 899
 900 int
 901 main ()
 902 {
 903   int major, minor, micro;
 904   char *tmp_version;
 905
 906   system ("touch conf.gtktest");
 907
 908   /* HP/UX 9 (%@#!) writes to sscanf strings */
 909   tmp_version = g_strdup("$min_gtk_version");
 910   if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
 911      printf("%s, bad version string\n", "$min_gtk_version");
 912      exit(1);
 913    }
 914
 915   if ((gtk_major_version != $gtk_config_major_version) ||
 916       (gtk_minor_version != $gtk_config_minor_version) ||
 917       (gtk_micro_version != $gtk_config_micro_version))
 918     {
 919       printf("\n*** 'gtk-config --version' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n",
 920              $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
 921              gtk_major_version, gtk_minor_version, gtk_micro_version);
 922       printf ("*** was found! If gtk-config was correct, then it is best\n");
 923       printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
 924       printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
 925       printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
 926       printf("*** required on your system.\n");
 927       printf("*** If gtk-config was wrong, set the environment variable GTK_CONFIG\n");
 928       printf("*** to point to the correct copy of gtk-config, and remove the file config.cache\n");
 929       printf("*** before re-running configure\n");
 930     }
 931 #if defined (GTK_MAJOR_VERSION) && defined (GTK_MINOR_VERSION) && defined (GTK_MICRO_VERSION)
 932   else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
 933            (gtk_minor_version != GTK_MINOR_VERSION) ||
 934            (gtk_micro_version != GTK_MICRO_VERSION))
 935     {
 936       printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
 937              GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
 938       printf("*** library (version %d.%d.%d)\n",
 939              gtk_major_version, gtk_minor_version, gtk_micro_version);
 940     }
 941 #endif /* defined (GTK_MAJOR_VERSION) ... */
 942   else
 943     {
 944       if ((gtk_major_version > major) ||
 945         ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
 946         ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
 947       {
 948         return 0;
 949        }
 950      else
 951       {
 952         printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
 953                gtk_major_version, gtk_minor_version, gtk_micro_version);
 954         printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
 955                major, minor, micro);
 956         printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
 957         printf("***\n");
 958         printf("*** If you have already installed a sufficiently new version, this error\n");
 959         printf("*** probably means that the wrong copy of the gtk-config shell script is\n");
 960         printf("*** being found. The easiest way to fix this is to remove the old version\n");
 961         printf("*** of GTK+, but you can also set the GTK_CONFIG environment to point to the\n");
 962         printf("*** correct copy of gtk-config. (In this case, you will have to\n");
 963         printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
 964         printf("*** so that the correct libraries are found at run-time))\n");
 965       }
 966     }
 967   return 1;
 968 }
 969 ],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
 970        CFLAGS="$ac_save_CFLAGS"
 971        LIBS="$ac_save_LIBS"
 972      fi
 973   fi
 974   if test "x$no_gtk" = x ; then
 975      AC_MSG_RESULT(yes)
 976      ifelse([$2], , :, [$2])
 977   else
 978      AC_MSG_RESULT(no)
 979      if test "$GTK_CONFIG" = "no" ; then
 980        echo "*** The gtk-config script installed by GTK could not be found"
 981        echo "*** If GTK was installed in PREFIX, make sure PREFIX/bin is in"
 982        echo "*** your path, or set the GTK_CONFIG environment variable to the"
 983        echo "*** full path to gtk-config."
 984      else
 985        if test -f conf.gtktest ; then
 986         :
 987        else
 988           echo "*** Could not run GTK test program, checking why..."
 989           CFLAGS="$CFLAGS $GTK_CFLAGS"
 990           LIBS="$LIBS $GTK_LIBS"
 991           AC_TRY_LINK([
 992 #include <gtk/gtk.h>
 993 #include <stdio.h>
 994 ],      [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
 995         [ echo "*** The test program compiled, but did not run. This usually means"
 996           echo "*** that the run-time linker is not finding GTK or finding the wrong"
 997           echo "*** version of GTK. If it is not finding GTK, you'll need to set your"
 998           echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
 999           echo "*** to the installed location  Also, make sure you have run ldconfig if that"
1000           echo "*** is required on your system"
1001           echo "***"
1002           echo "*** If you have an old version installed, it is best to remove it, although"
1003           echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
1004           echo "***"
1005           echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that"
1006           echo "*** came with the system with the command"
1007           echo "***"
1008           echo "***    rpm --erase --nodeps gtk gtk-devel" ],
1009         [ echo "*** The test program failed to compile or link. See the file config.log for the"
1010           echo "*** exact error that occured. This usually means GTK was incorrectly installed"
1011           echo "*** or that you have moved GTK since it was installed. In the latter case, you"
1012           echo "*** may want to edit the gtk-config script: $GTK_CONFIG" ])
1013           CFLAGS="$ac_save_CFLAGS"
1014           LIBS="$ac_save_LIBS"
1015        fi
1016      fi
1017      GTK_CFLAGS=""
1018      GTK_LIBS=""
1019      ifelse([$3], , :, [$3])
1020   fi
1021   AC_SUBST(GTK_CFLAGS)
1022   AC_SUBST(GTK_LIBS)
1023   rm -f conf.gtktest
1024 ])
1025
1026
1027 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1028 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1029 dnl also defines GSTUFF_PKG_ERRORS on error
1030 AC_DEFUN(PKG_CHECK_MODULES, [
1031   succeeded=no
1032
1033   if test -z "$PKG_CONFIG"; then
1034     AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1035   fi
1036
1037   if test "$PKG_CONFIG" = "no" ; then
1038      echo "*** The pkg-config script could not be found. Make sure it is"
1039      echo "*** in your path, or set the PKG_CONFIG environment variable"
1040      echo "*** to the full path to pkg-config."
1041      echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
1042   else
1043      PKG_CONFIG_MIN_VERSION=0.9.0
1044      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1045         AC_MSG_CHECKING(for $2)
1046
1047         if $PKG_CONFIG --exists "$2" ; then
1048             AC_MSG_RESULT(yes)
1049             succeeded=yes
1050
1051             AC_MSG_CHECKING($1_CFLAGS)
1052             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
1053             AC_MSG_RESULT($$1_CFLAGS)
1054
1055             AC_MSG_CHECKING($1_LIBS)
1056             $1_LIBS=`$PKG_CONFIG --libs "$2"`
1057             AC_MSG_RESULT($$1_LIBS)
1058         else
1059             $1_CFLAGS=""
1060             $1_LIBS=""
1061             ## If we have a custom action on failure, don't print errors, but
1062             ## do set a variable so people can do so.
1063             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1064             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1065         fi
1066
1067         AC_SUBST($1_CFLAGS)
1068         AC_SUBST($1_LIBS)
1069      else
1070         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1071         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1072      fi
1073   fi
1074
1075   if test $succeeded = yes; then
1076      ifelse([$3], , :, [$3])
1077   else
1078      ifelse([$4], , AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.]), [$4])
1079   fi
1080 ])
1081
1082
1083
1084 # Configure paths for SDL
1085 # Sam Lantinga 9/21/99
1086 # stolen from Manish Singh
1087 # stolen back from Frank Belew
1088 # stolen from Manish Singh
1089 # Shamelessly stolen from Owen Taylor
1090
1091 dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
1092 dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
1093 dnl
1094 AC_DEFUN([AM_PATH_SDL],
1095 [dnl
1096 dnl Get the cflags and libraries from the sdl-config script
1097 dnl
1098 AC_ARG_WITH(sdl-prefix,[  --with-sdl-prefix=PFX   Prefix where SDL is installed (optional)],
1099             sdl_prefix="$withval", sdl_prefix="")
1100 AC_ARG_WITH(sdl-exec-prefix,[  --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
1101             sdl_exec_prefix="$withval", sdl_exec_prefix="")
1102 AC_ARG_ENABLE(sdltest, [  --disable-sdltest       Do not try to compile and run a test SDL program],
1103                     , enable_sdltest=yes)
1104
1105   if test x$sdl_exec_prefix != x ; then
1106      sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix"
1107      if test x${SDL_CONFIG+set} != xset ; then
1108         SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config
1109      fi
1110   fi
1111   if test x$sdl_prefix != x ; then
1112      sdl_args="$sdl_args --prefix=$sdl_prefix"
1113      if test x${SDL_CONFIG+set} != xset ; then
1114         SDL_CONFIG=$sdl_prefix/bin/sdl-config
1115      fi
1116   fi
1117
1118   AC_REQUIRE([AC_CANONICAL_TARGET])
1119   PATH="$prefix/bin:$prefix/usr/bin:$PATH"
1120   AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH])
1121   min_sdl_version=ifelse([$1], ,0.11.0,$1)
1122   AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
1123   no_sdl=""
1124   if test "$SDL_CONFIG" = "no" ; then
1125     no_sdl=yes
1126   else
1127     SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags`
1128     SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs`
1129
1130     sdl_major_version=`$SDL_CONFIG $sdl_args --version | \
1131            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
1132     sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \
1133            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
1134     sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \
1135            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
1136     if test "x$enable_sdltest" = "xyes" ; then
1137       ac_save_CFLAGS="$CFLAGS"
1138       ac_save_LIBS="$LIBS"
1139       CFLAGS="$CFLAGS $SDL_CFLAGS"
1140       LIBS="$LIBS $SDL_LIBS"
1141 dnl
1142 dnl Now check if the installed SDL is sufficiently new. (Also sanity
1143 dnl checks the results of sdl-config to some extent
1144 dnl
1145       rm -f conf.sdltest
1146       AC_TRY_RUN([
1147 #include <stdio.h>
1148 #include <stdlib.h>
1149 #include <string.h>
1150 #include "SDL.h"
1151
1152 char*
1153 my_strdup (char *str)
1154 {
1155   char *new_str;
1156
1157   if (str)
1158     {
1159       new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
1160       strcpy (new_str, str);
1161     }
1162   else
1163     new_str = NULL;
1164
1165   return new_str;
1166 }
1167
1168 int main (int argc, char *argv[])
1169 {
1170   int major, minor, micro;
1171   char *tmp_version;
1172
1173   /* This hangs on some systems (?)
1174   system ("touch conf.sdltest");
1175   */
1176   { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }
1177
1178   /* HP/UX 9 (%@#!) writes to sscanf strings */
1179   tmp_version = my_strdup("$min_sdl_version");
1180   if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
1181      printf("%s, bad version string\n", "$min_sdl_version");
1182      exit(1);
1183    }
1184
1185    if (($sdl_major_version > major) ||
1186       (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
1187       (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
1188     {
1189       return 0;
1190     }
1191   else
1192     {
1193       printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
1194       printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro);
1195       printf("*** best to upgrade to the required version.\n");
1196       printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n");
1197       printf("*** to point to the correct copy of sdl-config, and remove the file\n");
1198       printf("*** config.cache before re-running configure\n");
1199       return 1;
1200     }
1201 }
1202
1203 ],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
1204        CFLAGS="$ac_save_CFLAGS"
1205        LIBS="$ac_save_LIBS"
1206      fi
1207   fi
1208   if test "x$no_sdl" = x ; then
1209      AC_MSG_RESULT(yes)
1210      ifelse([$2], , :, [$2])
1211   else
1212      AC_MSG_RESULT(no)
1213      if test "$SDL_CONFIG" = "no" ; then
1214        echo "*** The sdl-config script installed by SDL could not be found"
1215        echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
1216        echo "*** your path, or set the SDL_CONFIG environment variable to the"
1217        echo "*** full path to sdl-config."
1218      else
1219        if test -f conf.sdltest ; then
1220         :
1221        else
1222           echo "*** Could not run SDL test program, checking why..."
1223           CFLAGS="$CFLAGS $SDL_CFLAGS"
1224           LIBS="$LIBS $SDL_LIBS"
1225           AC_TRY_LINK([
1226 #include <stdio.h>
1227 #include "SDL.h"
1228
1229 int main(int argc, char *argv[])
1230 { return 0; }
1231 #undef  main
1232 #define main K_and_R_C_main
1233 ],      [ return 0; ],
1234         [ echo "*** The test program compiled, but did not run. This usually means"
1235           echo "*** that the run-time linker is not finding SDL or finding the wrong"
1236           echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
1237           echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
1238           echo "*** to the installed location  Also, make sure you have run ldconfig if that"
1239           echo "*** is required on your system"
1240           echo "***"
1241           echo "*** If you have an old version installed, it is best to remove it, although"
1242           echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
1243         [ echo "*** The test program failed to compile or link. See the file config.log for the"
1244           echo "*** exact error that occured. This usually means SDL was incorrectly installed"
1245           echo "*** or that you have moved SDL since it was installed. In the latter case, you"
1246           echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ])
1247           CFLAGS="$ac_save_CFLAGS"
1248           LIBS="$ac_save_LIBS"
1249        fi
1250      fi
1251      SDL_CFLAGS=""
1252      SDL_LIBS=""
1253      ifelse([$3], , :, [$3])
1254   fi
1255   AC_SUBST(SDL_CFLAGS)
1256   AC_SUBST(SDL_LIBS)
1257   rm -f conf.sdltest
1258 ])
1259
1260 dnl ---------------------------------------------------------------------------
1261 dnl Support macros for makefiles generated by BAKEFILE.
1262 dnl ---------------------------------------------------------------------------
1263
1264 dnl Lots of compiler & linker detection code contained here was taken from
1265 dnl wxWindows configure.in script (see http://www.wxwindows.org)
1266
1267
1268
1269 dnl ---------------------------------------------------------------------------
1270 dnl AC_BAKEFILE_GNUMAKE
1271 dnl
1272 dnl Detects GNU make
1273 dnl ---------------------------------------------------------------------------
1274
1275 AC_DEFUN(AC_BAKEFILE_GNUMAKE,
1276 [
1277     dnl does make support "-include" (only GNU make does AFAIK)?
1278     AC_CACHE_CHECK([if make is GNU make], bakefile_cv_prog_makeisgnu,
1279     [
1280         if ( ${SHELL-sh} -c "${MAKE-make} --version" 2> /dev/null |
1281                 egrep -s GNU > /dev/null); then
1282             bakefile_cv_prog_makeisgnu="yes"
1283         else
1284             bakefile_cv_prog_makeisgnu="no"
1285         fi
1286     ])
1287
1288     if test "x$bakefile_cv_prog_makeisgnu" = "xyes"; then
1289         IF_GNU_MAKE=""
1290     else
1291         IF_GNU_MAKE="#"
1292     fi
1293     AC_SUBST(IF_GNU_MAKE)
1294 ])
1295
1296 dnl ---------------------------------------------------------------------------
1297 dnl AC_BAKEFILE_PLATFORM
1298 dnl
1299 dnl Detects platform and sets PLATFORM_XXX variables accordingly
1300 dnl ---------------------------------------------------------------------------
1301
1302 AC_DEFUN(AC_BAKEFILE_PLATFORM,
1303 [
1304     PLATFORM_UNIX=0
1305     PLATFORM_WIN32=0
1306     PLATFORM_MSDOS=0
1307     PLATFORM_MAC=0
1308     PLATFORM_MACOSX=0
1309     PLATFORM_OS2=0
1310
1311     if test "x$BAKEFILE_FORCE_PLATFORM" = "x"; then
1312         case "${BAKEFILE_HOST}" in
1313             *-*-cygwin* | *-*-mingw32* )
1314                 PLATFORM_WIN32=1
1315             ;;
1316             *-pc-msdosdjgpp )
1317                 PLATFORM_MSDOS=1
1318             ;;
1319             *-pc-os2_emx | *-pc-os2-emx )
1320                 PLATFORM_OS2=1
1321             ;;
1322             powerpc-*-darwin* )
1323                 PLATFORM_MAC=1
1324                 PLATFORM_MACOSX=1
1325             ;;
1326             * )
1327                 PLATFORM_UNIX=1
1328             ;;
1329         esac
1330     else
1331         case "$BAKEFILE_FORCE_PLATFORM" in
1332             win32 )
1333                 PLATFORM_WIN32=1
1334             ;;
1335             msdos )
1336                 PLATFORM_MSDOS=1
1337             ;;
1338             os2 )
1339                 PLATFORM_OS2=1
1340             ;;
1341             darwin )
1342                 PLATFORM_MAC=1
1343                 PLATFORM_MACOSX=1
1344             ;;
1345             unix )
1346                 PLATFORM_UNIX=1
1347             ;;
1348             * )
1349                 AC_MSG_ERROR([Unknown platform: $BAKEFILE_FORCE_PLATFORM])
1350             ;;
1351         esac
1352     fi
1353
1354     AC_SUBST(PLATFORM_UNIX)
1355     AC_SUBST(PLATFORM_WIN32)
1356     AC_SUBST(PLATFORM_MSDOS)
1357     AC_SUBST(PLATFORM_MAC)
1358     AC_SUBST(PLATFORM_MACOSX)
1359     AC_SUBST(PLATFORM_OS2)
1360 ])
1361
1362
1363 dnl ---------------------------------------------------------------------------
1364 dnl AC_BAKEFILE_PLATFORM_SPECIFICS
1365 dnl
1366 dnl Sets misc platform-specific settings
1367 dnl ---------------------------------------------------------------------------
1368
1369 AC_DEFUN(AC_BAKEFILE_PLATFORM_SPECIFICS,
1370 [
1371     AC_ARG_ENABLE([omf], [  --enable-omf            use OMF object format (OS/2)],
1372                   [bk_os2_use_omf="$enableval"])
1373
1374     case "${BAKEFILE_HOST}" in
1375       *-*-darwin* )
1376         dnl For Unix to MacOS X porting instructions, see:
1377         dnl http://fink.sourceforge.net/doc/porting/porting.html
1378         CFLAGS="$CFLAGS -fno-common"
1379         CXXFLAGS="$CXXFLAGS -fno-common"
1380         ;;
1381
1382       *-pc-os2_emx | *-pc-os2-emx )
1383         if test "x$bk_os2_use_omf" = "xyes" ; then
1384             AR=emxomfar
1385             RANLIB=:
1386             LDFLAGS="-Zomf $LDFLAGS"
1387             CFLAGS="-Zomf $CFLAGS"
1388             CXXFLAGS="-Zomf $CXXFLAGS"
1389             OS2_LIBEXT="lib"
1390         else
1391             OS2_LIBEXT="a"
1392         fi
1393         ;;
1394     esac
1395 ])
1396
1397 dnl ---------------------------------------------------------------------------
1398 dnl AC_BAKEFILE_SUFFIXES
1399 dnl
1400 dnl Detects shared various suffixes for shared libraries, libraries, programs,
1401 dnl plugins etc.
1402 dnl ---------------------------------------------------------------------------
1403
1404 AC_DEFUN(AC_BAKEFILE_SUFFIXES,
1405 [
1406     SO_SUFFIX="so"
1407     SO_SUFFIX_MODULE="so"
1408     EXEEXT=""
1409     LIBPREFIX="lib"
1410     LIBEXT=".a"
1411     DLLPREFIX="lib"
1412     DLLPREFIX_MODULE=""
1413     DLLIMP_SUFFIX=""
1414
1415     case "${BAKEFILE_HOST}" in
1416         *-hp-hpux* )
1417             SO_SUFFIX="sl"
1418             SO_SUFFIX_MODULE="sl"
1419         ;;
1420         *-*-aix* )
1421             dnl quoting from
1422             dnl http://www-1.ibm.com/servers/esdd/articles/gnu.html:
1423             dnl     Both archive libraries and shared libraries on AIX have an
1424             dnl     .a extension. This will explain why you can't link with an
1425             dnl     .so and why it works with the name changed to .a.
1426             SO_SUFFIX="a"
1427             SO_SUFFIX_MODULE="a"
1428         ;;
1429         *-*-cygwin* | *-*-mingw32* )
1430             SO_SUFFIX="dll"
1431             SO_SUFFIX_MODULE="dll"
1432             DLLIMP_SUFFIX="dll.a"
1433             EXEEXT=".exe"
1434             DLLPREFIX=""
1435         ;;
1436         *-pc-msdosdjgpp )
1437             EXEEXT=".exe"
1438             DLLPREFIX=""
1439         ;;
1440         *-pc-os2_emx | *-pc-os2-emx )
1441             SO_SUFFIX="dll"
1442             SO_SUFFIX_MODULE="dll"
1443             DLLIMP_SUFFIX=$OS2_LIBEXT
1444             EXEEXT=".exe"
1445             DLLPREFIX=""
1446             LIBPREFIX=""
1447             LIBEXT=".$OS2_LIBEXT"
1448         ;;
1449         powerpc-*-darwin* )
1450             SO_SUFFIX="dylib"
1451             SO_SUFFIX_MODULE="bundle"
1452         ;;
1453     esac
1454
1455     if test "x$DLLIMP_SUFFIX" = "x" ; then
1456         DLLIMP_SUFFIX="$SO_SUFFIX"
1457     fi
1458
1459     AC_SUBST(SO_SUFFIX)
1460     AC_SUBST(SO_SUFFIX_MODULE)
1461     AC_SUBST(DLLIMP_SUFFIX)
1462     AC_SUBST(EXEEXT)
1463     AC_SUBST(LIBPREFIX)
1464     AC_SUBST(LIBEXT)
1465     AC_SUBST(DLLPREFIX)
1466     AC_SUBST(DLLPREFIX_MODULE)
1467 ])
1468
1469
1470 dnl ---------------------------------------------------------------------------
1471 dnl AC_BAKEFILE_SHARED_LD
1472 dnl
1473 dnl Detects command for making shared libraries, substitutes SHARED_LD_CC
1474 dnl and SHARED_LD_CXX.
1475 dnl ---------------------------------------------------------------------------
1476
1477 AC_DEFUN(AC_BAKEFILE_SHARED_LD,
1478 [
1479     dnl Defaults for GCC and ELF .so shared libs:
1480     SHARED_LD_CC="\$(CC) -shared -o"
1481     SHARED_LD_CXX="\$(CXX) -shared -o"
1482
1483     dnl the extra compiler flags needed for compilation of shared library
1484     if test "x$GCC" = "xyes"; then
1485         dnl the switch for gcc is the same under all platforms
1486         PIC_FLAG="-fPIC"
1487     fi
1488
1489     case "${BAKEFILE_HOST}" in
1490       *-hp-hpux* )
1491         dnl default settings are good for gcc but not for the native HP-UX
1492         if test "x$GCC" = "xyes"; then
1493             dnl -o flag must be after PIC flag
1494             SHARED_LD_CC="${CC} -shared ${PIC_FLAG} -o"
1495             SHARED_LD_CXX="${CXX} -shared ${PIC_FLAG} -o"
1496         else
1497             dnl no idea why it wants it, but it does
1498             LDFLAGS="$LDFLAGS -L/usr/lib"
1499
1500             SHARED_LD_CC="${CC} -b -o"
1501             SHARED_LD_CXX="${CXX} -b -o"
1502             PIC_FLAG="+Z"
1503         fi
1504       ;;
1505
1506       *-*-linux* )
1507         if test "x$GCC" != "xyes"; then
1508             AC_CACHE_CHECK([for Intel compiler], bakefile_cv_prog_icc,
1509             [
1510                 AC_TRY_COMPILE([],
1511                     [
1512                         #ifndef __INTEL_COMPILER
1513                         #error Not icc
1514                         #endif
1515                     ],
1516                     bakefile_cv_prog_icc=yes,
1517                     bakefile_cv_prog_icc=no
1518                 )
1519             ])
1520             if test "$bakefile_cv_prog_icc" = "yes"; then
1521                 PIC_FLAG="-KPIC"
1522             fi
1523         fi
1524       ;;
1525
1526       *-*-solaris2* )
1527         if test "x$GCC" != xyes ; then
1528             SHARED_LD_CC="${CC} -G -o"
1529             SHARED_LD_CXX="${CXX} -G -o"
1530             PIC_FLAG="-KPIC"
1531         fi
1532       ;;
1533
1534       *-*-darwin* )
1535         dnl Most apps benefit from being fully binded (its faster and static
1536         dnl variables initialized at startup work).
1537         dnl This can be done either with the exe linker flag -Wl,-bind_at_load
1538         dnl or with a double stage link in order to create a single module
1539         dnl "-init _wxWindowsDylibInit" not useful with lazy linking solved
1540
1541         dnl If using newer dev tools then there is a -single_module flag that
1542         dnl we can use to do this, otherwise we'll need to use a helper
1543         dnl script.  Check the version of gcc to see which way we can go:
1544         AC_CACHE_CHECK([for gcc 3.1 or later], wx_cv_gcc31, [
1545            AC_TRY_COMPILE([],
1546                [
1547                    #if (__GNUC__ < 3) || \
1548                        ((__GNUC__ == 3) && (__GNUC_MINOR__ < 1))
1549                        #error old gcc
1550                    #endif
1551                ],
1552                [
1553                    wx_cv_gcc31=yes
1554                ],
1555                [
1556                    wx_cv_gcc31=no
1557                ]
1558            )
1559         ])
1560         if test "$wx_cv_gcc31" = "no"; then
1561             AC_BAKEFILE_CREATE_FILE_SHARED_LD_SH
1562             chmod +x shared-ld-sh
1563
1564             dnl Use the shared-ld-sh helper script
1565             SHARED_LD_CC="`pwd`/shared-ld-sh -dynamiclib -headerpad_max_install_names -o"
1566             SHARED_LD_MODULE_CC="`pwd`/shared-ld-sh -bundle -headerpad_max_install_names -o"
1567             SHARED_LD_CXX="$SHARED_LD_CC"
1568             SHARED_LD_MODULE_CXX="$SHARED_LD_MODULE_CC"
1569         else
1570             dnl Use the -single_module flag and let the linker do it for us
1571             SHARED_LD_CC="\${CC} -dynamiclib -single_module -headerpad_max_install_names -o"
1572             SHARED_LD_MODULE_CC="\${CC} -bundle -single_module -headerpad_max_install_names -o"
1573             SHARED_LD_CXX="\${CXX} -dynamiclib -single_module -headerpad_max_install_names -o"
1574             SHARED_LD_MODULE_CXX="\${CXX} -bundle -single_module -headerpad_max_install_names -o"
1575         fi
1576
1577         PIC_FLAG="-dynamic -fPIC"
1578       ;;
1579
1580       *-*-aix* )
1581         dnl default settings are ok for gcc
1582         if test "x$GCC" != "xyes"; then
1583             dnl the abs path below used to be hardcoded here so I guess it must
1584             dnl be some sort of standard location under AIX?
1585             AC_CHECK_PROG(AIX_CXX_LD, makeC++SharedLib,
1586                           makeC++SharedLib, /usr/lpp/xlC/bin/makeC++SharedLib)
1587             dnl FIXME - what about makeCSharedLib?
1588             SHARED_LD_CC="$AIX_CC_LD -p 0 -o"
1589             SHARED_LD_CXX="$AIX_CXX_LD -p 0 -o"
1590         fi
1591       ;;
1592
1593       *-*-beos* )
1594         dnl can't use gcc under BeOS for shared library creation because it
1595         dnl complains about missing 'main'
1596         SHARED_LD_CC="${LD} -shared -o"
1597         SHARED_LD_CXX="${LD} -shared -o"
1598       ;;
1599
1600       *-*-irix* )
1601         dnl default settings are ok for gcc
1602         if test "x$GCC" != "xyes"; then
1603             PIC_FLAG="-KPIC"
1604         fi
1605       ;;
1606
1607       *-*-cygwin* | *-*-mingw32* )
1608         PIC_FLAG=""
1609       ;;
1610
1611       *-pc-os2_emx | *-pc-os2-emx )
1612         SHARED_LD_CC="`pwd`/dllar.sh -o"
1613         SHARED_LD_CXX="`pwd`/dllar.sh -o"
1614         PIC_FLAG=""
1615         AC_BAKEFILE_CREATE_FILE_DLLAR_SH
1616         chmod +x dllar.sh
1617       ;;
1618
1619       *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | \
1620       *-*-sunos4* | \
1621       *-*-osf* | \
1622       *-*-dgux5* | \
1623       *-*-sysv5* )
1624         dnl defaults are ok
1625       ;;
1626
1627       *)
1628         AC_MSG_ERROR(unknown system type $BAKEFILE_HOST.)
1629     esac
1630
1631     if test "x$SHARED_LD_MODULE_CC" = "x" ; then
1632         SHARED_LD_MODULE_CC="$SHARED_LD_CC"
1633     fi
1634     if test "x$SHARED_LD_MODULE_CXX" = "x" ; then
1635         SHARED_LD_MODULE_CXX="$SHARED_LD_CXX"
1636     fi
1637
1638     AC_SUBST(SHARED_LD_CC)
1639     AC_SUBST(SHARED_LD_CXX)
1640     AC_SUBST(SHARED_LD_MODULE_CC)
1641     AC_SUBST(SHARED_LD_MODULE_CXX)
1642     AC_SUBST(PIC_FLAG)
1643 ])
1644
1645
1646 dnl ---------------------------------------------------------------------------
1647 dnl AC_BAKEFILE_SHARED_VERSIONS
1648 dnl
1649 dnl Detects linker options for attaching versions (sonames) to shared  libs.
1650 dnl ---------------------------------------------------------------------------
1651
1652 AC_DEFUN(AC_BAKEFILE_SHARED_VERSIONS,
1653 [
1654     USE_SOVERSION=0
1655     USE_SOVERLINUX=0
1656     USE_SOVERSOLARIS=0
1657     USE_SOSYMLINKS=0
1658     USE_MACVERSION=0
1659     SONAME_FLAG=
1660
1661     case "${BAKEFILE_HOST}" in
1662       *-*-linux* )
1663         SONAME_FLAG="-Wl,-soname,"
1664         USE_SOVERSION=1
1665         USE_SOVERLINUX=1
1666         USE_SOSYMLINKS=1
1667       ;;
1668
1669       *-*-solaris2* )
1670         SONAME_FLAG="-h "
1671         USE_SOVERSION=1
1672         USE_SOVERSOLARIS=1
1673         USE_SOSYMLINKS=1
1674       ;;
1675
1676       *-*-darwin* )
1677         USE_MACVERSION=1
1678         USE_SOVERSION=1
1679         USE_SOSYMLINKS=1
1680       ;;
1681     esac
1682
1683     AC_SUBST(USE_SOVERSION)
1684     AC_SUBST(USE_SOVERLINUX)
1685     AC_SUBST(USE_SOVERSOLARIS)
1686     AC_SUBST(USE_MACVERSION)
1687     AC_SUBST(USE_SOSYMLINKS)
1688     AC_SUBST(SONAME_FLAG)
1689 ])
1690
1691
1692 dnl ---------------------------------------------------------------------------
1693 dnl AC_BAKEFILE_DEPS
1694 dnl
1695 dnl Detects available C/C++ dependency tracking options
1696 dnl ---------------------------------------------------------------------------
1697
1698 AC_DEFUN(AC_BAKEFILE_DEPS,
1699 [
1700     AC_MSG_CHECKING([for dependency tracking method])
1701     DEPS_TRACKING=0
1702
1703     if test "x$GCC" = "xyes"; then
1704         DEPSMODE=gcc
1705         DEPS_TRACKING=1
1706         case "${BAKEFILE_HOST}" in
1707             powerpc-*-darwin* )
1708                 dnl -cpp-precomp (the default) conflicts with -MMD option
1709                 dnl used by bk-deps (see also http://developer.apple.com/documentation/Darwin/Conceptual/PortingUnix/compiling/chapter_4_section_3.html)
1710                 DEPSFLAG_GCC="-no-cpp-precomp -MMD"
1711             ;;
1712             * )
1713                 DEPSFLAG_GCC="-MMD"
1714             ;;
1715         esac
1716         AC_MSG_RESULT([gcc])
1717     else
1718         AC_MSG_RESULT([none])
1719     fi
1720
1721     if test $DEPS_TRACKING = 1 ; then
1722         AC_BAKEFILE_CREATE_FILE_BK_DEPS
1723         chmod +x bk-deps
1724     fi
1725
1726     AC_SUBST(DEPS_TRACKING)
1727 ])
1728
1729 dnl ---------------------------------------------------------------------------
1730 dnl AC_BAKEFILE_CHECK_BASIC_STUFF
1731 dnl
1732 dnl Checks for presence of basic programs, such as C and C++ compiler, "ranlib"
1733 dnl or "install"
1734 dnl ---------------------------------------------------------------------------
1735
1736 AC_DEFUN(AC_BAKEFILE_CHECK_BASIC_STUFF,
1737 [
1738     AC_PROG_RANLIB
1739     AC_PROG_INSTALL
1740     AC_PROG_LN_S
1741
1742     AC_PROG_MAKE_SET
1743     AC_SUBST(MAKE_SET)
1744
1745     AC_CHECK_TOOL(AR, ar, ar)
1746     AC_CHECK_TOOL(STRIP, strip, :)
1747     AC_CHECK_TOOL(NM, nm, :)
1748
1749     case ${BAKEFILE_HOST} in
1750         *-hp-hpux* )
1751             INSTALL_DIR="mkdir"
1752             ;;
1753         *)  INSTALL_DIR="$INSTALL -d"
1754             ;;
1755     esac
1756     AC_SUBST(INSTALL_DIR)
1757
1758     LDFLAGS_GUI=
1759     case ${BAKEFILE_HOST} in
1760         *-*-cygwin* | *-*-mingw32* )
1761         LDFLAGS_GUI="-mwindows"
1762     esac
1763     AC_SUBST(LDFLAGS_GUI)
1764 ])
1765
1766
1767 dnl ---------------------------------------------------------------------------
1768 dnl AC_BAKEFILE_RES_COMPILERS
1769 dnl
1770 dnl Checks for presence of resource compilers for win32 or mac
1771 dnl ---------------------------------------------------------------------------
1772
1773 AC_DEFUN(AC_BAKEFILE_RES_COMPILERS,
1774 [
1775     RESCOMP=
1776     SETFILE=
1777
1778     case ${BAKEFILE_HOST} in
1779         *-*-cygwin* | *-*-mingw32* )
1780             dnl Check for win32 resources compiler:
1781             if test "$build" != "$host" ; then
1782                 RESCOMP=$host_alias-windres
1783             else
1784                 AC_CHECK_PROG(RESCOMP, windres, windres, windres)
1785             fi
1786          ;;
1787
1788       *-*-darwin* )
1789             AC_CHECK_PROG(RESCOMP, Rez, Rez, /Developer/Tools/Rez)
1790             AC_CHECK_PROG(SETFILE, SetFile, SetFile, /Developer/Tools/SetFile)
1791         ;;
1792     esac
1793
1794     AC_SUBST(RESCOMP)
1795     AC_SUBST(SETFILE)
1796 ])
1797
1798 dnl ---------------------------------------------------------------------------
1799 dnl AC_BAKEFILE_PRECOMP_HEADERS
1800 dnl
1801 dnl Check for precompiled headers support (GCC >= 3.4)
1802 dnl ---------------------------------------------------------------------------
1803
1804 AC_DEFUN(AC_BAKEFILE_PRECOMP_HEADERS,
1805 [
1806
1807     AC_ARG_ENABLE([precomp-headers],
1808                   [  --disable-precomp-headers  don't use precompiled headers even if compiler can],
1809                   [bk_use_pch="$enableval"])
1810
1811     GCC_PCH=0
1812
1813     if test "x$bk_use_pch" = "x" -o "x$bk_use_pch" = "xyes" ; then
1814         if test "x$GCC" = "xyes"; then
1815             dnl test if we have gcc-3.4:
1816             AC_MSG_CHECKING([if the compiler supports precompiled headers])
1817             AC_TRY_COMPILE([],
1818                 [
1819                     #if !defined(__GNUC__) || !defined(__GNUC_MINOR__)
1820                         #error "no pch support"
1821                     #endif
1822                     #if (__GNUC__ < 3)
1823                         #error "no pch support"
1824                     #endif
1825                     #if (__GNUC__ == 3) && \
1826                        ((!defined(__APPLE_CC__) && (__GNUC_MINOR__ < 4)) || \
1827                        ( defined(__APPLE_CC__) && (__GNUC_MINOR__ < 3)))
1828                         #error "no pch support"
1829                     #endif
1830                 ],
1831                 [
1832                     AC_MSG_RESULT([yes])
1833                     dnl FIXME - this is temporary, till .gch dependencies
1834                     dnl         are fixed in generated Makefiles
1835                     CPPFLAGS="-fpch-deps $CPPFLAGS"
1836                     GCC_PCH=1
1837                 ],
1838                 [
1839                     AC_MSG_RESULT([no])
1840                 ])
1841             if test $GCC_PCH = 1 ; then
1842                 cat <<EOF >bk-make-pch
1843 #!/bin/sh
1844
1845 # This script is part of Bakefile (http://bakefile.sourceforge.net) autoconf
1846 # script. It is used to generated precompiled headers.
1847 #
1848 # Permission is given to use this file in any way.
1849
1850 outfile="\${1}"
1851 header="\${2}"
1852 shift
1853 shift
1854
1855 compiler=
1856 headerfile=
1857 while test \${#} -gt 0; do
1858     case "\${1}" in
1859         -I* )
1860             incdir=\`echo \${1} | sed -e 's/-I\(.*\)/\1/g'\`
1861             if test "x\${headerfile}" = "x" -a -f "\${incdir}/\${header}" ; then
1862                 headerfile="\${incdir}/\${header}"
1863             fi
1864         ;;
1865     esac
1866     compiler="\${compiler} \${1}"
1867     shift
1868 done
1869
1870 if test "x\${headerfile}" = "x" ; then
1871     echo "error: can't find header \${header} in include paths" >2
1872 else
1873     if test -f \${outfile} ; then
1874         rm -f \${outfile}
1875     else
1876         mkdir -p \`dirname \${outfile}\`
1877     fi
1878     depsfile=".deps/\`basename \${outfile}\`.d"
1879     mkdir -p .deps
1880     # can do this because gcc is >= 3.4:
1881     \${compiler} -o \${outfile} -MMD -MF "\${depsfile}" "\${headerfile}"
1882     exit \${?}
1883 fi
1884 EOF
1885                 chmod +x bk-make-pch
1886             fi
1887         fi
1888     fi
1889
1890     AC_SUBST(GCC_PCH)
1891 ])
1892
1893
1894
1895 dnl ---------------------------------------------------------------------------
1896 dnl AC_BAKEFILE
1897 dnl
1898 dnl To be used in configure.in of any project using Bakefile-generated mks
1899 dnl
1900 dnl Behaviour can be modified by setting following variables:
1901 dnl    BAKEFILE_CHECK_BASICS    set to "no" if you don't want bakefile to
1902 dnl                             to perform check for basic tools like ranlib
1903 dnl    BAKEFILE_HOST            set this to override host detection, defaults
1904 dnl                             to ${host}
1905 dnl    BAKEFILE_FORCE_PLATFORM  set to override platform detection
1906 dnl ---------------------------------------------------------------------------
1907
1908 AC_DEFUN(AC_BAKEFILE,
1909 [
1910     if test "x$BAKEFILE_HOST" = "x"; then
1911         BAKEFILE_HOST="${host}"
1912     fi
1913
1914     if test "x$BAKEFILE_CHECK_BASICS" != "xno"; then
1915         AC_BAKEFILE_CHECK_BASIC_STUFF
1916     fi
1917     AC_BAKEFILE_GNUMAKE
1918     AC_BAKEFILE_PLATFORM
1919     AC_BAKEFILE_PLATFORM_SPECIFICS
1920     AC_BAKEFILE_SUFFIXES
1921     AC_BAKEFILE_SHARED_LD
1922     AC_BAKEFILE_SHARED_VERSIONS
1923     AC_BAKEFILE_DEPS
1924     AC_BAKEFILE_RES_COMPILERS
1925
1926     builtin(include, autoconf_inc.m4)
1927 ])
1928
1929
1930 dnl ---------------------------------------------------------------------------
1931 dnl              Embedded copies of helper scripts follow:
1932 dnl ---------------------------------------------------------------------------
1933
1934 AC_DEFUN(AC_BAKEFILE_CREATE_FILE_DLLAR_SH,
1935 [
1936 dnl ===================== dllar.sh begins here =====================
1937 D='$'
1938 cat <<EOF >dllar.sh
1939 #!/bin/sh
1940 #
1941 # dllar - a tool to build both a .dll and an .a file
1942 # from a set of object (.o) files for EMX/OS2.
1943 #
1944 #  Written by Andrew Zabolotny, bit@freya.etu.ru
1945 #  Ported to Unix like shell by Stefan Neis, Stefan.Neis@t-online.de
1946 #
1947 #  This script will accept a set of files on the command line.
1948 #  All the public symbols from the .o files will be exported into
1949 #  a .DEF file, then linker will be run (through gcc) against them to
1950 #  build a shared library consisting of all given .o files. All libraries
1951 #  (.a) will be first decompressed into component .o files then act as
1952 #  described above. You can optionally give a description (-d "description")
1953 #  which will be put into .DLL. To see the list of accepted options (as well
1954 #  as command-line format) simply run this program without options. The .DLL
1955 #  is built to be imported by name (there is no guarantee that new versions
1956 #  of the library you build will have same ordinals for same symbols).
1957 #
1958 #  dllar is free software; you can redistribute it and/or modify
1959 #  it under the terms of the GNU General Public License as published by
1960 #  the Free Software Foundation; either version 2, or (at your option)
1961 #  any later version.
1962 #
1963 #  dllar is distributed in the hope that it will be useful,
1964 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
1965 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1966 #  GNU General Public License for more details.
1967 #
1968 #  You should have received a copy of the GNU General Public License
1969 #  along with dllar; see the file COPYING.  If not, write to the Free
1970 #  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
1971 #  02111-1307, USA.
1972
1973 # To successfuly run this program you will need:
1974 #  - Current drive should have LFN support (HPFS, ext2, network, etc)
1975 #    (Sometimes dllar generates filenames which won't fit 8.3 scheme)
1976 #  - gcc
1977 #    (used to build the .dll)
1978 #  - emxexp
1979 #    (used to create .def file from .o files)
1980 #  - emximp
1981 #    (used to create .a file from .def file)
1982 #  - GNU text utilites (cat, sort, uniq)
1983 #    used to process emxexp output
1984 #  - GNU file utilities (mv, rm)
1985 #  - GNU sed
1986 #  - lxlite (optional, see flag below)
1987 #    (used for general .dll cleanup)
1988 #
1989
1990 flag_USE_LXLITE=1;
1991
1992 #
1993 # helper functions
1994 # basnam, variant of basename, which does _not_ remove the path, _iff_
1995 #                              second argument (suffix to remove) is given
1996 basnam(){
1997     case ${D}# in
1998     1)
1999         echo ${D}1 | sed 's/.*\///' | sed 's/.*\\//'
2000         ;;
2001     2)
2002         echo ${D}1 | sed 's/'${D}2'${D}//'
2003         ;;
2004     *)
2005         echo "error in basnam ${D}*"
2006         exit 8
2007         ;;
2008     esac
2009 }
2010
2011 # Cleanup temporary files and output
2012 CleanUp() {
2013     cd ${D}curDir
2014     for i in ${D}inputFiles ; do
2015         case ${D}i in
2016         *!)
2017             rm -rf \`basnam ${D}i !\`
2018             ;;
2019         *)
2020             ;;
2021         esac
2022     done
2023
2024     # Kill result in case of failure as there is just to many stupid make/nmake
2025     # things out there which doesn't do this.
2026     if [ ${D}# -eq 0 ]; then
2027         rm -f ${D}arcFile ${D}arcFile2 ${D}defFile ${D}dllFile
2028     fi
2029 }
2030
2031 # Print usage and exit script with rc=1.
2032 PrintHelp() {
2033  echo 'Usage: dllar [-o[utput] output_file] [-i[mport] importlib_name]'
2034  echo '       [-d[escription] "dll descrption"] [-cc "CC"] [-f[lags] "CFLAGS"]'
2035  echo '       [-ord[inals]] -ex[clude] "symbol(s)"'
2036  echo '       [-libf[lags] "{INIT|TERM}{GLOBAL|INSTANCE}"] [-nocrt[dll]] [-nolxl[ite]]'
2037  echo '       [*.o] [*.a]'
2038  echo '*> "output_file" should have no extension.'
2039  echo '   If it has the .o, .a or .dll extension, it is automatically removed.'
2040  echo '   The import library name is derived from this and is set to "name".a,'
2041  echo '   unless overridden by -import'
2042  echo '*> "importlib_name" should have no extension.'
2043  echo '   If it has the .o, or .a extension, it is automatically removed.'
2044  echo '   This name is used as the import library name and may be longer and'
2045  echo '   more descriptive than the DLL name which has to follow the old '
2046  echo '   8.3 convention of FAT.'
2047  echo '*> "cc" is used to use another GCC executable.   (default: gcc.exe)'
2048  echo '*> "flags" should be any set of valid GCC flags. (default: -s -Zcrtdll)'
2049  echo '   These flags will be put at the start of GCC command line.'
2050  echo '*> -ord[inals] tells dllar to export entries by ordinals. Be careful.'
2051  echo '*> -ex[clude] defines symbols which will not be exported. You can define'
2052  echo '   multiple symbols, for example -ex "myfunc yourfunc _GLOBAL*".'
2053  echo '   If the last character of a symbol is "*", all symbols beginning'
2054  echo '   with the prefix before "*" will be exclude, (see _GLOBAL* above).'
2055  echo '*> -libf[lags] can be used to add INITGLOBAL/INITINSTANCE and/or'
2056  echo '   TERMGLOBAL/TERMINSTANCE flags to the dynamically-linked library.'
2057  echo '*> -nocrt[dll] switch will disable linking the library against emx''s'
2058  echo '   C runtime DLLs.'
2059  echo '*> -nolxl[ite] switch will disable running lxlite on the resulting DLL.'
2060  echo '*> All other switches (for example -L./ or -lmylib) will be passed'
2061  echo '   unchanged to GCC at the end of command line.'
2062  echo '*> If you create a DLL from a library and you do not specify -o,'
2063  echo '   the basename for DLL and import library will be set to library name,'
2064  echo '   the initial library will be renamed to 'name'_s.a (_s for static)'
2065  echo '   i.e. "dllar gcc.a" will create gcc.dll and gcc.a, and the initial'
2066  echo '   library will be renamed into gcc_s.a.'
2067  echo '--------'
2068  echo 'Example:'
2069  echo '   dllar -o gcc290.dll libgcc.a -d "GNU C runtime library" -ord'
2070  echo '    -ex "__main __ctordtor*" -libf "INITINSTANCE TERMINSTANCE"'
2071  CleanUp
2072  exit 1
2073 }
2074
2075 # Execute a command.
2076 # If exit code of the commnad <> 0 CleanUp() is called and we'll exit the script.
2077 # @Uses    Whatever CleanUp() uses.
2078 doCommand() {
2079     echo "${D}*"
2080     eval ${D}*
2081     rcCmd=${D}?
2082
2083     if [ ${D}rcCmd -ne 0 ]; then
2084         echo "command failed, exit code="${D}rcCmd
2085         CleanUp
2086         exit ${D}rcCmd
2087     fi
2088 }
2089
2090 # main routine
2091 # setup globals
2092 cmdLine=${D}*
2093 outFile=""
2094 outimpFile=""
2095 inputFiles=""
2096 description=""
2097 CC=gcc.exe
2098 CFLAGS="-s -Zcrtdll"
2099 EXTRA_CFLAGS=""
2100 EXPORT_BY_ORDINALS=0
2101 exclude_symbols=""
2102 library_flags=""
2103 curDir=\`pwd\`
2104 curDirS=curDir
2105 case ${D}curDirS in
2106 */)
2107   ;;
2108 *)
2109   curDirS=${D}{curDirS}"/"
2110   ;;
2111 esac
2112 # Parse commandline
2113 libsToLink=0
2114 while [ ${D}1 ]; do
2115     case ${D}1 in
2116     -ord*)
2117         EXPORT_BY_ORDINALS=1;
2118         ;;
2119     -o*)
2120         shift
2121         outFile=${D}1
2122         ;;
2123     -i*)
2124         shift
2125         outimpFile=${D}1
2126         ;;
2127     -d*)
2128         shift
2129         description=${D}1
2130         ;;
2131     -f*)
2132         shift
2133         CFLAGS=${D}1
2134         ;;
2135     -c*)
2136         shift
2137         CC=${D}1
2138         ;;
2139     -h*)
2140         PrintHelp
2141         ;;
2142     -ex*)
2143         shift
2144         exclude_symbols=${D}{exclude_symbols}${D}1" "
2145         ;;
2146     -libf*)
2147         shift
2148         library_flags=${D}{library_flags}${D}1" "
2149         ;;
2150     -nocrt*)
2151         CFLAGS="-s"
2152         ;;
2153     -nolxl*)
2154         flag_USE_LXLITE=0
2155         ;;
2156     -* | /*)
2157         case ${D}1 in
2158         -L* | -l*)
2159             libsToLink=1
2160             ;;
2161         *)
2162             ;;
2163         esac
2164         EXTRA_CFLAGS=${D}{EXTRA_CFLAGS}" "${D}1
2165         ;;
2166     *)
2167         found=0;
2168         if [ ${D}libsToLink -ne 0 ]; then
2169             EXTRA_CFLAGS=${D}{EXTRA_CFLAGS}" "${D}1
2170         else
2171             for file in ${D}1 ; do
2172                 if [ -f ${D}file ]; then
2173                     inputFiles="${D}{inputFiles} ${D}file"
2174                     found=1
2175                 fi
2176             done
2177             if [ ${D}found -eq 0 ]; then
2178                 echo "ERROR: No file(s) found: "${D}1
2179                 exit 8
2180             fi
2181         fi
2182       ;;
2183     esac
2184     shift
2185 done # iterate cmdline words
2186
2187 #
2188 if [ -z "${D}inputFiles" ]; then
2189     echo "dllar: no input files"
2190     PrintHelp
2191 fi
2192
2193 # Now extract all .o files from .a files
2194 newInputFiles=""
2195 for file in ${D}inputFiles ; do
2196     case ${D}file in
2197     *.a | *.lib)
2198         case ${D}file in
2199         *.a)
2200             suffix=".a"
2201             AR="ar"
2202             ;;
2203         *.lib)
2204             suffix=".lib"
2205             AR="emxomfar"
2206             EXTRA_CFLAGS="${D}EXTRA_CFLAGS -Zomf"
2207             ;;
2208         *)
2209             ;;
2210         esac
2211         dirname=\`basnam ${D}file ${D}suffix\`"_%"
2212         mkdir ${D}dirname
2213         if [ ${D}? -ne 0 ]; then
2214             echo "Failed to create subdirectory ./${D}dirname"
2215             CleanUp
2216             exit 8;
2217         fi
2218         # Append '!' to indicate archive
2219         newInputFiles="${D}newInputFiles ${D}{dirname}!"
2220         doCommand "cd ${D}dirname; ${D}AR x ../${D}file"
2221         cd ${D}curDir
2222         found=0;
2223         for subfile in ${D}dirname/*.o* ; do
2224             if [ -f ${D}subfile ]; then
2225                 found=1
2226                 if [ -s ${D}subfile ]; then
2227                     # FIXME: This should be: is file size > 32 byte, _not_ > 0!
2228                     newInputFiles="${D}newInputFiles ${D}subfile"
2229                 fi
2230             fi
2231         done
2232         if [ ${D}found -eq 0 ]; then
2233             echo "WARNING: there are no files in archive \'${D}file\'"
2234         fi
2235         ;;
2236     *)
2237         newInputFiles="${D}{newInputFiles} ${D}file"
2238         ;;
2239     esac
2240 done
2241 inputFiles="${D}newInputFiles"
2242
2243 # Output filename(s).
2244 do_backup=0;
2245 if [ -z ${D}outFile ]; then
2246     do_backup=1;
2247     set outFile ${D}inputFiles; outFile=${D}2
2248 fi
2249
2250 # If it is an archive, remove the '!' and the '_%' suffixes
2251 case ${D}outFile in
2252 *_%!)
2253     outFile=\`basnam ${D}outFile _%!\`
2254     ;;
2255 *)
2256     ;;
2257 esac
2258 case ${D}outFile in
2259 *.dll)
2260     outFile=\`basnam ${D}outFile .dll\`
2261     ;;
2262 *.DLL)
2263     outFile=\`basnam ${D}outFile .DLL\`
2264     ;;
2265 *.o)
2266     outFile=\`basnam ${D}outFile .o\`
2267     ;;
2268 *.obj)
2269     outFile=\`basnam ${D}outFile .obj\`
2270     ;;
2271 *.a)
2272     outFile=\`basnam ${D}outFile .a\`
2273     ;;
2274 *.lib)
2275     outFile=\`basnam ${D}outFile .lib\`
2276     ;;
2277 *)
2278     ;;
2279 esac
2280 case ${D}outimpFile in
2281 *.a)
2282     outimpFile=\`basnam ${D}outimpFile .a\`
2283     ;;
2284 *.lib)
2285     outimpFile=\`basnam ${D}outimpFile .lib\`
2286     ;;
2287 *)
2288     ;;
2289 esac
2290 if [ -z ${D}outimpFile ]; then
2291     outimpFile=${D}outFile
2292 fi
2293 defFile="${D}{outFile}.def"
2294 arcFile="${D}{outimpFile}.a"
2295 arcFile2="${D}{outimpFile}.lib"
2296 dllFile="${D}outFile"
2297 # Add suffix to dllFile later, first we need a version to use as
2298 # name in .def file.
2299
2300 if [ ${D}do_backup -ne 0 ] ; then
2301     if [ -f ${D}arcFile ] ; then
2302         doCommand "mv ${D}arcFile ${D}{outFile}_s.a"
2303     fi
2304     if [ -f ${D}arcFile2 ] ; then
2305         doCommand "mv ${D}arcFile2 ${D}{outFile}_s.lib"
2306     fi
2307 fi
2308
2309 # Extract public symbols from all the object files.
2310 tmpdefFile=${D}{defFile}_%
2311 rm -f ${D}tmpdefFile
2312 for file in ${D}inputFiles ; do
2313     case ${D}file in
2314     *!)
2315         ;;
2316     *)
2317         doCommand "emxexp -u ${D}file >> ${D}tmpdefFile"
2318         ;;
2319     esac
2320 done
2321
2322 # Create the def file.
2323 rm -f ${D}defFile
2324 echo "LIBRARY \`basnam ${D}dllFile\` ${D}library_flags" >> ${D}defFile
2325 dllFile="${D}dllFile.dll"
2326 if [ -n ${D}description ]; then
2327     echo "DESCRIPTION  \"${D}{description}\"" >> ${D}defFile
2328 fi
2329 echo "EXPORTS" >> ${D}defFile
2330
2331 doCommand "cat ${D}tmpdefFile | sort.exe | uniq.exe > ${D}{tmpdefFile}%"
2332 grep -v "^ *;" < ${D}{tmpdefFile}% | grep -v "^ *${D}" >${D}tmpdefFile
2333
2334 # Checks if the export is ok or not.
2335 for word in ${D}exclude_symbols; do
2336     grep -v ${D}word < ${D}tmpdefFile >${D}{tmpdefFile}%
2337     mv ${D}{tmpdefFile}% ${D}tmpdefFile
2338 done
2339
2340
2341 if [ ${D}EXPORT_BY_ORDINALS -ne 0 ]; then
2342     sed "=" < ${D}tmpdefFile | \
2343     sed '
2344       N
2345       : loop
2346       s/^\([0-9]\+\)\([^;]*\)\(;.*\)\?/\2 @\1 NONAME/
2347       t loop
2348     ' > ${D}{tmpdefFile}%
2349     grep -v "^ *${D}" < ${D}{tmpdefFile}% > ${D}tmpdefFile
2350 else
2351     rm -f ${D}{tmpdefFile}%
2352 fi
2353 cat ${D}tmpdefFile >> ${D}defFile
2354 rm -f ${D}tmpdefFile
2355
2356 # Do linking, create implib, and apply lxlite.
2357 gccCmdl="";
2358 for file in ${D}inputFiles ; do
2359     case ${D}file in
2360     *!)
2361         ;;
2362     *)
2363         gccCmdl="${D}gccCmdl ${D}file"
2364         ;;
2365     esac
2366 done
2367 doCommand "${D}CC ${D}CFLAGS -Zdll -o ${D}dllFile ${D}defFile ${D}gccCmdl ${D}EXTRA_CFLAGS"
2368 touch "${D}{outFile}.dll"
2369
2370 doCommand "emximp -o ${D}arcFile ${D}defFile"
2371 if [ ${D}flag_USE_LXLITE -ne 0 ]; then
2372     add_flags="";
2373     if [ ${D}EXPORT_BY_ORDINALS -ne 0 ]; then
2374         add_flags="-ynd"
2375     fi
2376     doCommand "lxlite -cs -t: -mrn -mln ${D}add_flags ${D}dllFile"
2377 fi
2378 doCommand "emxomf -s -l ${D}arcFile"
2379
2380 # Successful exit.
2381 CleanUp 1
2382 exit 0
2383 EOF
2384 dnl ===================== dllar.sh ends here =====================
2385 ])
2386
2387 AC_DEFUN(AC_BAKEFILE_CREATE_FILE_BK_DEPS,
2388 [
2389 dnl ===================== bk-deps begins here =====================
2390 D='$'
2391 cat <<EOF >bk-deps
2392 #!/bin/sh
2393
2394 # This script is part of Bakefile (http://bakefile.sourceforge.net) autoconf
2395 # script. It is used to track C/C++ files dependencies in portable way.
2396 #
2397 # Permission is given to use this file in any way.
2398
2399 DEPSMODE=${DEPSMODE}
2400 DEPSDIR=.deps
2401 DEPSFLAG_GCC="${DEPSFLAG_GCC}"
2402
2403 mkdir -p ${D}DEPSDIR
2404
2405 if test ${D}DEPSMODE = gcc ; then
2406     ${D}* ${D}{DEPSFLAG_GCC}
2407     status=${D}?
2408     if test ${D}{status} != 0 ; then
2409         exit ${D}{status}
2410     fi
2411     # move created file to the location we want it in:
2412     while test ${D}# -gt 0; do
2413         case "${D}1" in
2414             -o )
2415                 shift
2416                 objfile=${D}1
2417             ;;
2418             -* )
2419             ;;
2420             * )
2421                 srcfile=${D}1
2422             ;;
2423         esac
2424         shift
2425     done
2426     depfile=\`basename ${D}srcfile | sed -e 's/\..*${D}/.d/g'\`
2427     depobjname=\`echo ${D}depfile |sed -e 's/\.d/.o/g'\`
2428     if test -f ${D}depfile ; then
2429         sed -e "s,${D}depobjname:,${D}objfile:,g" ${D}depfile >${D}{DEPSDIR}/${D}{objfile}.d
2430         rm -f ${D}depfile
2431     else
2432         depfile=\`basename ${D}objfile | sed -e 's/\..*${D}/.d/g'\`
2433         if test -f ${D}depfile ; then
2434             sed -e "/^${D}objfile/!s,${D}depobjname:,${D}objfile:,g" ${D}depfile >${D}{DEPSDIR}/${D}{objfile}.d
2435             rm -f ${D}depfile
2436         fi
2437     fi
2438     exit 0
2439 else
2440     ${D}*
2441     exit ${D}?
2442 fi
2443 EOF
2444 dnl ===================== bk-deps ends here =====================
2445 ])
2446
2447 AC_DEFUN(AC_BAKEFILE_CREATE_FILE_SHARED_LD_SH,
2448 [
2449 dnl ===================== shared-ld-sh begins here =====================
2450 D='$'
2451 cat <<EOF >shared-ld-sh
2452 #!/bin/sh
2453 #-----------------------------------------------------------------------------
2454 #-- Name:        distrib/mac/shared-ld-sh
2455 #-- Purpose:     Link a mach-o dynamic shared library for Darwin / Mac OS X
2456 #-- Author:      Gilles Depeyrot
2457 #-- Copyright:   (c) 2002 Gilles Depeyrot
2458 #-- Licence:     any use permitted
2459 #-----------------------------------------------------------------------------
2460
2461 verbose=0
2462 args=""
2463 objects=""
2464 linking_flag="-dynamiclib"
2465
2466 while test ${D}# -gt 0; do
2467     case ${D}1 in
2468
2469        -v)
2470         verbose=1
2471         ;;
2472
2473        -o|-compatibility_version|-current_version|-framework|-undefined|-install_name)
2474         # collect these options and values
2475         args="${D}{args} ${D}1 ${D}2"
2476         shift
2477         ;;
2478
2479        -l*|-L*|-flat_namespace|-headerpad_max_install_names)
2480         # collect these options
2481         args="${D}{args} ${D}1"
2482         ;;
2483
2484        -dynamiclib|-bundle)
2485         linking_flag="${D}1"
2486         ;;
2487
2488        -*)
2489         echo "shared-ld: unhandled option '${D}1'"
2490         exit 1
2491         ;;
2492
2493         *.o | *.a | *.dylib)
2494         # collect object files
2495         objects="${D}{objects} ${D}1"
2496         ;;
2497
2498         *)
2499         echo "shared-ld: unhandled argument '${D}1'"
2500         exit 1
2501         ;;
2502
2503     esac
2504     shift
2505 done
2506
2507 #
2508 # Link one module containing all the others
2509 #
2510 if test ${D}{verbose} = 1; then
2511     echo "c++ -r -keep_private_externs -nostdlib ${D}{objects} -o master.${D}${D}.o"
2512 fi
2513 c++ -r -keep_private_externs -nostdlib ${D}{objects} -o master.${D}${D}.o
2514 status=${D}?
2515 if test ${D}{status} != 0; then
2516     exit ${D}{status}
2517 fi
2518
2519 #
2520 # Link the shared library from the single module created
2521 #
2522 if test ${D}{verbose} = 1; then
2523     echo "cc ${D}{linking_flag} master.${D}${D}.o ${D}{args}"
2524 fi
2525 c++ ${D}{linking_flag} master.${D}${D}.o ${D}{args}
2526 status=${D}?
2527 if test ${D}{status} != 0; then
2528     exit ${D}{status}
2529 fi
2530
2531 #
2532 # Remove intermediate module
2533 #
2534 rm -f master.${D}${D}.o
2535
2536 exit 0
2537 EOF
2538 dnl ===================== shared-ld-sh ends here =====================
2539 ])
2540
2541 dnl
2542 dnl AM_PATH_CPPUNIT([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
2543 dnl
2544 AC_DEFUN(AM_PATH_CPPUNIT,
2545 [
2546
2547 AC_ARG_WITH(cppunit-prefix,[  --with-cppunit-prefix=PFX   Prefix where CppUnit is installed (optional)],
2548             cppunit_config_prefix="$withval", cppunit_config_prefix="")
2549 AC_ARG_WITH(cppunit-exec-prefix,[  --with-cppunit-exec-prefix=PFX  Exec prefix where CppUnit is installed (optional)],
2550             cppunit_config_exec_prefix="$withval", cppunit_config_exec_prefix="")
2551
2552   if test x$cppunit_config_exec_prefix != x ; then
2553      cppunit_config_args="$cppunit_config_args --exec-prefix=$cppunit_config_exec_prefix"
2554      if test x${CPPUNIT_CONFIG+set} != xset ; then
2555         CPPUNIT_CONFIG=$cppunit_config_exec_prefix/bin/cppunit-config
2556      fi
2557   fi
2558   if test x$cppunit_config_prefix != x ; then
2559      cppunit_config_args="$cppunit_config_args --prefix=$cppunit_config_prefix"
2560      if test x${CPPUNIT_CONFIG+set} != xset ; then
2561         CPPUNIT_CONFIG=$cppunit_config_prefix/bin/cppunit-config
2562      fi
2563   fi
2564
2565   AC_PATH_PROG(CPPUNIT_CONFIG, cppunit-config, no)
2566   cppunit_version_min=$1
2567
2568   AC_MSG_CHECKING(for Cppunit - version >= $cppunit_version_min)
2569   no_cppunit=""
2570   if test "$CPPUNIT_CONFIG" = "no" ; then
2571     no_cppunit=yes
2572   else
2573     CPPUNIT_CFLAGS=`$CPPUNIT_CONFIG --cflags`
2574     CPPUNIT_LIBS=`$CPPUNIT_CONFIG --libs`
2575     cppunit_version=`$CPPUNIT_CONFIG --version`
2576
2577     cppunit_major_version=`echo $cppunit_version | \
2578            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
2579     cppunit_minor_version=`echo $cppunit_version | \
2580            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
2581     cppunit_micro_version=`echo $cppunit_version | \
2582            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
2583
2584     cppunit_major_min=`echo $cppunit_version_min | \
2585            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
2586     cppunit_minor_min=`echo $cppunit_version_min | \
2587            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
2588     cppunit_micro_min=`echo $cppunit_version_min | \
2589            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
2590
2591     cppunit_version_proper=`expr \
2592         $cppunit_major_version \> $cppunit_major_min \| \
2593         $cppunit_major_version \= $cppunit_major_min \& \
2594         $cppunit_minor_version \> $cppunit_minor_min \| \
2595         $cppunit_major_version \= $cppunit_major_min \& \
2596         $cppunit_minor_version \= $cppunit_minor_min \& \
2597         $cppunit_micro_version \>= $cppunit_micro_min `
2598
2599     if test "$cppunit_version_proper" = "1" ; then
2600       AC_MSG_RESULT([$cppunit_major_version.$cppunit_minor_version.$cppunit_micro_version])
2601     else
2602       AC_MSG_RESULT(no)
2603       no_cppunit=yes
2604     fi
2605   fi
2606
2607   if test "x$no_cppunit" = x ; then
2608      ifelse([$2], , :, [$2])
2609   else
2610      CPPUNIT_CFLAGS=""
2611      CPPUNIT_LIBS=""
2612      ifelse([$3], , :, [$3])
2613   fi
2614
2615   AC_SUBST(CPPUNIT_CFLAGS)
2616   AC_SUBST(CPPUNIT_LIBS)
2617 ])
2618
2619
2620
2621