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 # Configure paths for GTK+
 616 # Owen Taylor     1997-2001
 617
 618 dnl AM_PATH_GTK_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
 619 dnl Test for GTK+, and define GTK_CFLAGS and GTK_LIBS, if gthread is specified in MODULES,
 620 dnl pass to pkg-config
 621 dnl
 622 AC_DEFUN(AM_PATH_GTK_2_0,
 623 [dnl
 624 dnl Get the cflags and libraries from pkg-config
 625 dnl
 626 AC_ARG_ENABLE(gtktest, [  --disable-gtktest       do not try to compile and run a test GTK+ program],
 627                     , enable_gtktest=yes)
 628
 629   pkg_config_args=gtk+-2.0
 630   for module in . $4
 631   do
 632       case "$module" in
 633          gthread)
 634              pkg_config_args="$pkg_config_args gthread-2.0"
 635          ;;
 636       esac
 637   done
 638
 639   no_gtk=""
 640
 641   AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 642
 643   if test x$PKG_CONFIG != xno ; then
 644     if pkg-config --atleast-pkgconfig-version 0.7 ; then
 645       :
 646     else
 647       echo *** pkg-config too old; version 0.7 or better required.
 648       no_gtk=yes
 649       PKG_CONFIG=no
 650     fi
 651   else
 652     no_gtk=yes
 653   fi
 654
 655   min_gtk_version=ifelse([$1], ,2.0.0,$1)
 656   AC_MSG_CHECKING(for GTK+ - version >= $min_gtk_version)
 657
 658   if test x$PKG_CONFIG != xno ; then
 659     ## don't try to run the test against uninstalled libtool libs
 660     if $PKG_CONFIG --uninstalled $pkg_config_args; then
 661           echo "Will use uninstalled version of GTK+ found in PKG_CONFIG_PATH"
 662           enable_gtktest=no
 663     fi
 664
 665     if $PKG_CONFIG --atleast-version $min_gtk_version $pkg_config_args; then
 666           :
 667     else
 668           no_gtk=yes
 669     fi
 670   fi
 671
 672   if test x"$no_gtk" = x ; then
 673     GTK_CFLAGS=`$PKG_CONFIG $pkg_config_args --cflags`
 674     GTK_LIBS=`$PKG_CONFIG $pkg_config_args --libs`
 675     gtk_config_major_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
 676            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
 677     gtk_config_minor_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
 678            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
 679     gtk_config_micro_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
 680            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
 681     if test "x$enable_gtktest" = "xyes" ; then
 682       ac_save_CFLAGS="$CFLAGS"
 683       ac_save_LIBS="$LIBS"
 684       CFLAGS="$CFLAGS $GTK_CFLAGS"
 685       LIBS="$GTK_LIBS $LIBS"
 686 dnl
 687 dnl Now check if the installed GTK+ is sufficiently new. (Also sanity
 688 dnl checks the results of pkg-config to some extent)
 689 dnl
 690       rm -f conf.gtktest
 691       AC_TRY_RUN([
 692 #include <gtk/gtk.h>
 693 #include <stdio.h>
 694 #include <stdlib.h>
 695
 696 int
 697 main ()
 698 {
 699   int major, minor, micro;
 700   char *tmp_version;
 701
 702   system ("touch conf.gtktest");
 703
 704   /* HP/UX 9 (%@#!) writes to sscanf strings */
 705   tmp_version = g_strdup("$min_gtk_version");
 706   if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
 707      printf("%s, bad version string\n", "$min_gtk_version");
 708      exit(1);
 709    }
 710
 711   if ((gtk_major_version != $gtk_config_major_version) ||
 712       (gtk_minor_version != $gtk_config_minor_version) ||
 713       (gtk_micro_version != $gtk_config_micro_version))
 714     {
 715       printf("\n*** 'pkg-config --modversion gtk+-2.0' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n",
 716              $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
 717              gtk_major_version, gtk_minor_version, gtk_micro_version);
 718       printf ("*** was found! If pkg-config was correct, then it is best\n");
 719       printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
 720       printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
 721       printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
 722       printf("*** required on your system.\n");
 723       printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n");
 724       printf("*** to point to the correct configuration files\n");
 725     }
 726   else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
 727            (gtk_minor_version != GTK_MINOR_VERSION) ||
 728            (gtk_micro_version != GTK_MICRO_VERSION))
 729     {
 730       printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
 731              GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
 732       printf("*** library (version %d.%d.%d)\n",
 733              gtk_major_version, gtk_minor_version, gtk_micro_version);
 734     }
 735   else
 736     {
 737       if ((gtk_major_version > major) ||
 738         ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
 739         ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
 740       {
 741         return 0;
 742        }
 743      else
 744       {
 745         printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
 746                gtk_major_version, gtk_minor_version, gtk_micro_version);
 747         printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
 748                major, minor, micro);
 749         printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
 750         printf("***\n");
 751         printf("*** If you have already installed a sufficiently new version, this error\n");
 752         printf("*** probably means that the wrong copy of the pkg-config shell script is\n");
 753         printf("*** being found. The easiest way to fix this is to remove the old version\n");
 754         printf("*** of GTK+, but you can also set the PKG_CONFIG environment to point to the\n");
 755         printf("*** correct copy of pkg-config. (In this case, you will have to\n");
 756         printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
 757         printf("*** so that the correct libraries are found at run-time))\n");
 758       }
 759     }
 760   return 1;
 761 }
 762 ],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
 763        CFLAGS="$ac_save_CFLAGS"
 764        LIBS="$ac_save_LIBS"
 765      fi
 766   fi
 767   if test "x$no_gtk" = x ; then
 768      AC_MSG_RESULT(yes (version $gtk_config_major_version.$gtk_config_minor_version.$gtk_config_micro_version))
 769      ifelse([$2], , :, [$2])
 770   else
 771      AC_MSG_RESULT(no)
 772      if test "$PKG_CONFIG" = "no" ; then
 773        echo "*** A new enough version of pkg-config was not found."
 774        echo "*** See http://pkgconfig.sourceforge.net"
 775      else
 776        if test -f conf.gtktest ; then
 777         :
 778        else
 779           echo "*** Could not run GTK+ test program, checking why..."
 780           ac_save_CFLAGS="$CFLAGS"
 781           ac_save_LIBS="$LIBS"
 782           CFLAGS="$CFLAGS $GTK_CFLAGS"
 783           LIBS="$LIBS $GTK_LIBS"
 784           AC_TRY_LINK([
 785 #include <gtk/gtk.h>
 786 #include <stdio.h>
 787 ],      [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
 788         [ echo "*** The test program compiled, but did not run. This usually means"
 789           echo "*** that the run-time linker is not finding GTK+ or finding the wrong"
 790           echo "*** version of GTK+. If it is not finding GTK+, you'll need to set your"
 791           echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
 792           echo "*** to the installed location  Also, make sure you have run ldconfig if that"
 793           echo "*** is required on your system"
 794           echo "***"
 795           echo "*** If you have an old version installed, it is best to remove it, although"
 796           echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
 797         [ echo "*** The test program failed to compile or link. See the file config.log for the"
 798           echo "*** exact error that occured. This usually means GTK+ is incorrectly installed."])
 799           CFLAGS="$ac_save_CFLAGS"
 800           LIBS="$ac_save_LIBS"
 801        fi
 802      fi
 803      GTK_CFLAGS=""
 804      GTK_LIBS=""
 805      ifelse([$3], , :, [$3])
 806   fi
 807   AC_SUBST(GTK_CFLAGS)
 808   AC_SUBST(GTK_LIBS)
 809   rm -f conf.gtktest
 810 ])
 811
 812 # Configure paths for GTK+
 813 # Owen Taylor     97-11-3
 814
 815 dnl AM_PATH_GTK([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
 816 dnl Test for GTK, and define GTK_CFLAGS and GTK_LIBS
 817 dnl
 818 AC_DEFUN(AM_PATH_GTK,
 819 [dnl
 820 dnl Get the cflags and libraries from the gtk-config script
 821 dnl
 822 AC_ARG_WITH(gtk-prefix,[  --with-gtk-prefix=PFX   Prefix where GTK is installed (optional)],
 823             gtk_config_prefix="$withval", gtk_config_prefix="")
 824 AC_ARG_WITH(gtk-exec-prefix,[  --with-gtk-exec-prefix=PFX Exec prefix where GTK is installed (optional)],
 825             gtk_config_exec_prefix="$withval", gtk_config_exec_prefix="")
 826 AC_ARG_ENABLE(gtktest, [  --disable-gtktest       Do not try to compile and run a test GTK program],
 827                     , enable_gtktest=yes)
 828
 829   for module in . $4
 830   do
 831       case "$module" in
 832          gthread)
 833              gtk_config_args="$gtk_config_args gthread"
 834          ;;
 835       esac
 836   done
 837
 838   if test x$gtk_config_exec_prefix != x ; then
 839      gtk_config_args="$gtk_config_args --exec-prefix=$gtk_config_exec_prefix"
 840      if test x${GTK_CONFIG+set} != xset ; then
 841         GTK_CONFIG=$gtk_config_exec_prefix/bin/gtk-config
 842      fi
 843   fi
 844   if test x$gtk_config_prefix != x ; then
 845      gtk_config_args="$gtk_config_args --prefix=$gtk_config_prefix"
 846      if test x${GTK_CONFIG+set} != xset ; then
 847         GTK_CONFIG=$gtk_config_prefix/bin/gtk-config
 848      fi
 849   fi
 850
 851   AC_PATH_PROG(GTK_CONFIG, gtk-config, no)
 852   min_gtk_version=ifelse([$1], ,0.99.7,$1)
 853   AC_MSG_CHECKING(for GTK - version >= $min_gtk_version)
 854   no_gtk=""
 855   if test "$GTK_CONFIG" = "no" ; then
 856     no_gtk=yes
 857   else
 858     GTK_CFLAGS=`$GTK_CONFIG $gtk_config_args --cflags`
 859     GTK_LIBS=`$GTK_CONFIG $gtk_config_args --libs`
 860     gtk_config_major_version=`$GTK_CONFIG $gtk_config_args --version | \
 861            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
 862     gtk_config_minor_version=`$GTK_CONFIG $gtk_config_args --version | \
 863            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
 864     gtk_config_micro_version=`$GTK_CONFIG $gtk_config_args --version | \
 865            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
 866     if test "x$enable_gtktest" = "xyes" ; then
 867       ac_save_CFLAGS="$CFLAGS"
 868       ac_save_LIBS="$LIBS"
 869       CFLAGS="$CFLAGS $GTK_CFLAGS"
 870       LIBS="$GTK_LIBS $LIBS"
 871 dnl
 872 dnl Now check if the installed GTK is sufficiently new. (Also sanity
 873 dnl checks the results of gtk-config to some extent
 874 dnl
 875       rm -f conf.gtktest
 876       AC_TRY_RUN([
 877 #include <gtk/gtk.h>
 878 #include <stdio.h>
 879 #include <stdlib.h>
 880
 881 int
 882 main ()
 883 {
 884   int major, minor, micro;
 885   char *tmp_version;
 886
 887   system ("touch conf.gtktest");
 888
 889   /* HP/UX 9 (%@#!) writes to sscanf strings */
 890   tmp_version = g_strdup("$min_gtk_version");
 891   if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
 892      printf("%s, bad version string\n", "$min_gtk_version");
 893      exit(1);
 894    }
 895
 896   if ((gtk_major_version != $gtk_config_major_version) ||
 897       (gtk_minor_version != $gtk_config_minor_version) ||
 898       (gtk_micro_version != $gtk_config_micro_version))
 899     {
 900       printf("\n*** 'gtk-config --version' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n",
 901              $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
 902              gtk_major_version, gtk_minor_version, gtk_micro_version);
 903       printf ("*** was found! If gtk-config was correct, then it is best\n");
 904       printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
 905       printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
 906       printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
 907       printf("*** required on your system.\n");
 908       printf("*** If gtk-config was wrong, set the environment variable GTK_CONFIG\n");
 909       printf("*** to point to the correct copy of gtk-config, and remove the file config.cache\n");
 910       printf("*** before re-running configure\n");
 911     }
 912 #if defined (GTK_MAJOR_VERSION) && defined (GTK_MINOR_VERSION) && defined (GTK_MICRO_VERSION)
 913   else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
 914            (gtk_minor_version != GTK_MINOR_VERSION) ||
 915            (gtk_micro_version != GTK_MICRO_VERSION))
 916     {
 917       printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
 918              GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
 919       printf("*** library (version %d.%d.%d)\n",
 920              gtk_major_version, gtk_minor_version, gtk_micro_version);
 921     }
 922 #endif /* defined (GTK_MAJOR_VERSION) ... */
 923   else
 924     {
 925       if ((gtk_major_version > major) ||
 926         ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
 927         ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
 928       {
 929         return 0;
 930        }
 931      else
 932       {
 933         printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
 934                gtk_major_version, gtk_minor_version, gtk_micro_version);
 935         printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
 936                major, minor, micro);
 937         printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
 938         printf("***\n");
 939         printf("*** If you have already installed a sufficiently new version, this error\n");
 940         printf("*** probably means that the wrong copy of the gtk-config shell script is\n");
 941         printf("*** being found. The easiest way to fix this is to remove the old version\n");
 942         printf("*** of GTK+, but you can also set the GTK_CONFIG environment to point to the\n");
 943         printf("*** correct copy of gtk-config. (In this case, you will have to\n");
 944         printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
 945         printf("*** so that the correct libraries are found at run-time))\n");
 946       }
 947     }
 948   return 1;
 949 }
 950 ],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
 951        CFLAGS="$ac_save_CFLAGS"
 952        LIBS="$ac_save_LIBS"
 953      fi
 954   fi
 955   if test "x$no_gtk" = x ; then
 956      AC_MSG_RESULT(yes)
 957      ifelse([$2], , :, [$2])
 958   else
 959      AC_MSG_RESULT(no)
 960      if test "$GTK_CONFIG" = "no" ; then
 961        echo "*** The gtk-config script installed by GTK could not be found"
 962        echo "*** If GTK was installed in PREFIX, make sure PREFIX/bin is in"
 963        echo "*** your path, or set the GTK_CONFIG environment variable to the"
 964        echo "*** full path to gtk-config."
 965      else
 966        if test -f conf.gtktest ; then
 967         :
 968        else
 969           echo "*** Could not run GTK test program, checking why..."
 970           CFLAGS="$CFLAGS $GTK_CFLAGS"
 971           LIBS="$LIBS $GTK_LIBS"
 972           AC_TRY_LINK([
 973 #include <gtk/gtk.h>
 974 #include <stdio.h>
 975 ],      [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
 976         [ echo "*** The test program compiled, but did not run. This usually means"
 977           echo "*** that the run-time linker is not finding GTK or finding the wrong"
 978           echo "*** version of GTK. If it is not finding GTK, you'll need to set your"
 979           echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
 980           echo "*** to the installed location  Also, make sure you have run ldconfig if that"
 981           echo "*** is required on your system"
 982           echo "***"
 983           echo "*** If you have an old version installed, it is best to remove it, although"
 984           echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
 985           echo "***"
 986           echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that"
 987           echo "*** came with the system with the command"
 988           echo "***"
 989           echo "***    rpm --erase --nodeps gtk gtk-devel" ],
 990         [ echo "*** The test program failed to compile or link. See the file config.log for the"
 991           echo "*** exact error that occured. This usually means GTK was incorrectly installed"
 992           echo "*** or that you have moved GTK since it was installed. In the latter case, you"
 993           echo "*** may want to edit the gtk-config script: $GTK_CONFIG" ])
 994           CFLAGS="$ac_save_CFLAGS"
 995           LIBS="$ac_save_LIBS"
 996        fi
 997      fi
 998      GTK_CFLAGS=""
 999      GTK_LIBS=""
1000      ifelse([$3], , :, [$3])
1001   fi
1002   AC_SUBST(GTK_CFLAGS)
1003   AC_SUBST(GTK_LIBS)
1004   rm -f conf.gtktest
1005 ])
1006
1007
1008 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1009 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1010 dnl also defines GSTUFF_PKG_ERRORS on error
1011 AC_DEFUN(PKG_CHECK_MODULES, [
1012   succeeded=no
1013
1014   if test -z "$PKG_CONFIG"; then
1015     AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1016   fi
1017
1018   if test "$PKG_CONFIG" = "no" ; then
1019      echo "*** The pkg-config script could not be found. Make sure it is"
1020      echo "*** in your path, or set the PKG_CONFIG environment variable"
1021      echo "*** to the full path to pkg-config."
1022      echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
1023   else
1024      PKG_CONFIG_MIN_VERSION=0.9.0
1025      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1026         AC_MSG_CHECKING(for $2)
1027
1028         if $PKG_CONFIG --exists "$2" ; then
1029             AC_MSG_RESULT(yes)
1030             succeeded=yes
1031
1032             AC_MSG_CHECKING($1_CFLAGS)
1033             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
1034             AC_MSG_RESULT($$1_CFLAGS)
1035
1036             AC_MSG_CHECKING($1_LIBS)
1037             $1_LIBS=`$PKG_CONFIG --libs "$2"`
1038             AC_MSG_RESULT($$1_LIBS)
1039         else
1040             $1_CFLAGS=""
1041             $1_LIBS=""
1042             ## If we have a custom action on failure, don't print errors, but
1043             ## do set a variable so people can do so.
1044             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1045             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1046         fi
1047
1048         AC_SUBST($1_CFLAGS)
1049         AC_SUBST($1_LIBS)
1050      else
1051         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1052         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1053      fi
1054   fi
1055
1056   if test $succeeded = yes; then
1057      ifelse([$3], , :, [$3])
1058   else
1059      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.]), [$4])
1060   fi
1061 ])
1062
1063
1064
1065 # Configure paths for SDL
1066 # Sam Lantinga 9/21/99
1067 # stolen from Manish Singh
1068 # stolen back from Frank Belew
1069 # stolen from Manish Singh
1070 # Shamelessly stolen from Owen Taylor
1071
1072 dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
1073 dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
1074 dnl
1075 AC_DEFUN(AM_PATH_SDL,
1076 [dnl
1077 dnl Get the cflags and libraries from the sdl-config script
1078 dnl
1079 AC_ARG_WITH(sdl-prefix,[  --with-sdl-prefix=PFX   Prefix where SDL is installed (optional)],
1080             sdl_prefix="$withval", sdl_prefix="")
1081 AC_ARG_WITH(sdl-exec-prefix,[  --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
1082             sdl_exec_prefix="$withval", sdl_exec_prefix="")
1083 AC_ARG_ENABLE(sdltest, [  --disable-sdltest       Do not try to compile and run a test SDL program],
1084                     , enable_sdltest=yes)
1085
1086   if test x$sdl_exec_prefix != x ; then
1087      sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix"
1088      if test x${SDL_CONFIG+set} != xset ; then
1089         SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config
1090      fi
1091   fi
1092   if test x$sdl_prefix != x ; then
1093      sdl_args="$sdl_args --prefix=$sdl_prefix"
1094      if test x${SDL_CONFIG+set} != xset ; then
1095         SDL_CONFIG=$sdl_prefix/bin/sdl-config
1096      fi
1097   fi
1098
1099   AC_REQUIRE([AC_CANONICAL_TARGET])
1100   PATH="$prefix/bin:$prefix/usr/bin:$PATH"
1101   AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH])
1102   min_sdl_version=ifelse([$1], ,0.11.0,$1)
1103   AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
1104   no_sdl=""
1105   if test "$SDL_CONFIG" = "no" ; then
1106     no_sdl=yes
1107   else
1108     SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags`
1109     SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs`
1110
1111     sdl_major_version=`$SDL_CONFIG $sdl_args --version | \
1112            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
1113     sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \
1114            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
1115     sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \
1116            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
1117     if test "x$enable_sdltest" = "xyes" ; then
1118       ac_save_CFLAGS="$CFLAGS"
1119       ac_save_LIBS="$LIBS"
1120       CFLAGS="$CFLAGS $SDL_CFLAGS"
1121       LIBS="$LIBS $SDL_LIBS"
1122 dnl
1123 dnl Now check if the installed SDL is sufficiently new. (Also sanity
1124 dnl checks the results of sdl-config to some extent
1125 dnl
1126       rm -f conf.sdltest
1127       AC_TRY_RUN([
1128 #include <stdio.h>
1129 #include <stdlib.h>
1130 #include <string.h>
1131 #include "SDL.h"
1132
1133 char*
1134 my_strdup (char *str)
1135 {
1136   char *new_str;
1137
1138   if (str)
1139     {
1140       new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
1141       strcpy (new_str, str);
1142     }
1143   else
1144     new_str = NULL;
1145
1146   return new_str;
1147 }
1148
1149 int main (int argc, char *argv[])
1150 {
1151   int major, minor, micro;
1152   char *tmp_version;
1153
1154   /* This hangs on some systems (?)
1155   system ("touch conf.sdltest");
1156   */
1157   { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }
1158
1159   /* HP/UX 9 (%@#!) writes to sscanf strings */
1160   tmp_version = my_strdup("$min_sdl_version");
1161   if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
1162      printf("%s, bad version string\n", "$min_sdl_version");
1163      exit(1);
1164    }
1165
1166    if (($sdl_major_version > major) ||
1167       (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
1168       (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
1169     {
1170       return 0;
1171     }
1172   else
1173     {
1174       printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
1175       printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro);
1176       printf("*** best to upgrade to the required version.\n");
1177       printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n");
1178       printf("*** to point to the correct copy of sdl-config, and remove the file\n");
1179       printf("*** config.cache before re-running configure\n");
1180       return 1;
1181     }
1182 }
1183
1184 ],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
1185        CFLAGS="$ac_save_CFLAGS"
1186        LIBS="$ac_save_LIBS"
1187      fi
1188   fi
1189   if test "x$no_sdl" = x ; then
1190      AC_MSG_RESULT(yes)
1191      ifelse([$2], , :, [$2])
1192   else
1193      AC_MSG_RESULT(no)
1194      if test "$SDL_CONFIG" = "no" ; then
1195        echo "*** The sdl-config script installed by SDL could not be found"
1196        echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
1197        echo "*** your path, or set the SDL_CONFIG environment variable to the"
1198        echo "*** full path to sdl-config."
1199      else
1200        if test -f conf.sdltest ; then
1201         :
1202        else
1203           echo "*** Could not run SDL test program, checking why..."
1204           CFLAGS="$CFLAGS $SDL_CFLAGS"
1205           LIBS="$LIBS $SDL_LIBS"
1206           AC_TRY_LINK([
1207 #include <stdio.h>
1208 #include "SDL.h"
1209
1210 int main(int argc, char *argv[])
1211 { return 0; }
1212 #undef  main
1213 #define main K_and_R_C_main
1214 ],      [ return 0; ],
1215         [ echo "*** The test program compiled, but did not run. This usually means"
1216           echo "*** that the run-time linker is not finding SDL or finding the wrong"
1217           echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
1218           echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
1219           echo "*** to the installed location  Also, make sure you have run ldconfig if that"
1220           echo "*** is required on your system"
1221           echo "***"
1222           echo "*** If you have an old version installed, it is best to remove it, although"
1223           echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
1224         [ echo "*** The test program failed to compile or link. See the file config.log for the"
1225           echo "*** exact error that occured. This usually means SDL was incorrectly installed"
1226           echo "*** or that you have moved SDL since it was installed. In the latter case, you"
1227           echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ])
1228           CFLAGS="$ac_save_CFLAGS"
1229           LIBS="$ac_save_LIBS"
1230        fi
1231      fi
1232      SDL_CFLAGS=""
1233      SDL_LIBS=""
1234      ifelse([$3], , :, [$3])
1235   fi
1236   AC_SUBST(SDL_CFLAGS)
1237   AC_SUBST(SDL_LIBS)
1238   rm -f conf.sdltest
1239 ])
1240
1241 dnl ---------------------------------------------------------------------------
1242 dnl Support macros for makefiles generated by BAKEFILE.
1243 dnl ---------------------------------------------------------------------------
1244
1245 dnl Lots of compiler & linker detection code contained here was taken from
1246 dnl wxWindows configure.in script (see http://www.wxwindows.org)
1247
1248
1249
1250 dnl ---------------------------------------------------------------------------
1251 dnl AC_BAKEFILE_GNUMAKE
1252 dnl
1253 dnl Detects GNU make
1254 dnl ---------------------------------------------------------------------------
1255
1256 AC_DEFUN(AC_BAKEFILE_GNUMAKE,
1257 [
1258     dnl does make support "-include" (only GNU make does AFAIK)?
1259     AC_CACHE_CHECK([if make is GNU make], bakefile_cv_prog_makeisgnu,
1260     [
1261         if ( ${SHELL-sh} -c "${MAKE-make} --version" 2> /dev/null |
1262                 egrep -s GNU > /dev/null); then
1263             bakefile_cv_prog_makeisgnu="yes"
1264         else
1265             bakefile_cv_prog_makeisgnu="no"
1266         fi
1267     ])
1268
1269     if test "x$bakefile_cv_prog_makeisgnu" = "xyes"; then
1270         IF_GNU_MAKE=""
1271     else
1272         IF_GNU_MAKE="#"
1273     fi
1274     AC_SUBST(IF_GNU_MAKE)
1275 ])
1276
1277 dnl ---------------------------------------------------------------------------
1278 dnl AC_BAKEFILE_PLATFORM
1279 dnl
1280 dnl Detects platform and sets PLATFORM_XXX variables accordingly
1281 dnl ---------------------------------------------------------------------------
1282
1283 AC_DEFUN(AC_BAKEFILE_PLATFORM,
1284 [
1285     PLATFORM_UNIX=0
1286     PLATFORM_WIN32=0
1287     PLATFORM_MSDOS=0
1288     PLATFORM_MAC=0
1289     PLATFORM_MACOSX=0
1290     PLATFORM_OS2=0
1291
1292     if test "x$BAKEFILE_FORCE_PLATFORM" = "x"; then
1293         case "${BAKEFILE_HOST}" in
1294             *-*-cygwin* | *-*-mingw32* )
1295                 PLATFORM_WIN32=1
1296             ;;
1297             *-pc-msdosdjgpp )
1298                 PLATFORM_MSDOS=1
1299             ;;
1300             *-pc-os2_emx | *-pc-os2-emx )
1301                 PLATFORM_OS2=1
1302             ;;
1303             powerpc-*-darwin* )
1304                 PLATFORM_MAC=1
1305                 PLATFORM_MACOSX=1
1306             ;;
1307             * )
1308                 PLATFORM_UNIX=1
1309             ;;
1310         esac
1311     else
1312         case "$BAKEFILE_FORCE_PLATFORM" in
1313             win32 )
1314                 PLATFORM_WIN32=1
1315             ;;
1316             msdos )
1317                 PLATFORM_MSDOS=1
1318             ;;
1319             os2 )
1320                 PLATFORM_OS2=1
1321             ;;
1322             darwin )
1323                 PLATFORM_MAC=1
1324                 PLATFORM_MACOSX=1
1325             ;;
1326             unix )
1327                 PLATFORM_UNIX=1
1328             ;;
1329             * )
1330                 AC_MSG_ERROR([Unknown platform: $BAKEFILE_FORCE_PLATFORM])
1331             ;;
1332         esac
1333     fi
1334
1335     AC_SUBST(PLATFORM_UNIX)
1336     AC_SUBST(PLATFORM_WIN32)
1337     AC_SUBST(PLATFORM_MSDOS)
1338     AC_SUBST(PLATFORM_MAC)
1339     AC_SUBST(PLATFORM_MACOSX)
1340     AC_SUBST(PLATFORM_OS2)
1341 ])
1342
1343
1344
1345 dnl ---------------------------------------------------------------------------
1346 dnl AC_BAKEFILE_SUFFIXES
1347 dnl
1348 dnl Detects shared various suffixes for shared libraries, libraries, programs,
1349 dnl plugins etc.
1350 dnl ---------------------------------------------------------------------------
1351
1352 AC_DEFUN(AC_BAKEFILE_SUFFIXES,
1353 [
1354     SO_SUFFIX="so"
1355     SO_SUFFIX_MODULE="so"
1356     EXEEXT=""
1357     LIBPREFIX=lib
1358     DLLPREFIX=lib
1359     DLLPREFIX_MODULE=
1360
1361     case "${BAKEFILE_HOST}" in
1362         *-hp-hpux* )
1363             SO_SUFFIX="sl"
1364             SO_SUFFIX_MODULE="sl"
1365         ;;
1366         *-*-aix* )
1367             dnl quoting from
1368             dnl http://www-1.ibm.com/servers/esdd/articles/gnu.html:
1369             dnl     Both archive libraries and shared libraries on AIX have an
1370             dnl     .a extension. This will explain why you can't link with an
1371             dnl     .so and why it works with the name changed to .a.
1372             SO_SUFFIX="a"
1373             SO_SUFFIX_MODULE="a"
1374         ;;
1375         *-*-cygwin* | *-*-mingw32* )
1376             SO_SUFFIX="dll"
1377             SO_SUFFIX_MODULE="dll"
1378             EXEEXT=".exe"
1379             DLLPREFIX=""
1380         ;;
1381         *-pc-msdosdjgpp )
1382             EXEEXT=".exe"
1383             DLLPREFIX=""
1384         ;;
1385         *-pc-os2_emx | *-pc-os2-emx )
1386             EXEEXT=".exe"
1387             DLLPREFIX=""
1388             LIBPREFIX=""
1389         ;;
1390         powerpc-*-darwin* )
1391             SO_SUFFIX="dylib"
1392             SO_SUFFIX_MODULE="bundle"
1393         ;;
1394     esac
1395
1396     AC_SUBST(SO_SUFFIX)
1397     AC_SUBST(SO_SUFFIX_MODULE)
1398     AC_SUBST(EXEEXT)
1399     AC_SUBST(LIBPREFIX)
1400     AC_SUBST(DLLPREFIX)
1401     AC_SUBST(DLLPREFIX_MODULE)
1402 ])
1403
1404
1405 dnl ---------------------------------------------------------------------------
1406 dnl AC_BAKEFILE_SHARED_LD
1407 dnl
1408 dnl Detects command for making shared libraries, substitutes SHARED_LD_CC
1409 dnl and SHARED_LD_CXX.
1410 dnl ---------------------------------------------------------------------------
1411
1412 AC_DEFUN(AC_BAKEFILE_SHARED_LD,
1413 [
1414     dnl Defaults for GCC and ELF .so shared libs:
1415     SHARED_LD_CC="\$(CC) -shared -o"
1416     SHARED_LD_CXX="\$(CXX) -shared -o"
1417
1418     dnl the extra compiler flags needed for compilation of shared library
1419     if test "x$GCC" = "xyes"; then
1420         dnl the switch for gcc is the same under all platforms
1421         PIC_FLAG="-fPIC"
1422     fi
1423
1424     case "${BAKEFILE_HOST}" in
1425       *-hp-hpux* )
1426         dnl default settings are good for gcc but not for the native HP-UX
1427         if test "x$GCC" = "xyes"; then
1428             dnl -o flag must be after PIC flag
1429             SHARED_LD_CC="${CC} -shared ${PIC_FLAG} -o"
1430             SHARED_LD_CXX="${CXX} -shared ${PIC_FLAG} -o"
1431         else
1432             dnl no idea why it wants it, but it does
1433             LDFLAGS="$LDFLAGS -L/usr/lib"
1434
1435             SHARED_LD_CC="${CC} -b -o"
1436             SHARED_LD_CXX="${CXX} -b -o"
1437             PIC_FLAG="+Z"
1438         fi
1439       ;;
1440
1441       *-*-linux* )
1442         if test "x$GCC" != "xyes"; then
1443             AC_CACHE_CHECK([for Intel compiler], bakefile_cv_prog_icc,
1444             [
1445                 AC_TRY_COMPILE([],
1446                     [
1447                         #ifndef __INTEL_COMPILER
1448                         #error Not icc
1449                         #endif
1450                     ],
1451                     bakefile_cv_prog_icc=yes,
1452                     bakefile_cv_prog_icc=no
1453                 )
1454             ])
1455             if test "$bakefile_cv_prog_icc" = "yes"; then
1456                 PIC_FLAG="-KPIC"
1457             fi
1458         fi
1459       ;;
1460
1461       *-*-solaris2* )
1462         if test "x$GCC" != xyes ; then
1463             SHARED_LD_CC="${CC} -G -o"
1464             SHARED_LD_CXX="${CXX} -G -o"
1465             PIC_FLAG="-KPIC"
1466         fi
1467       ;;
1468
1469       *-*-darwin* )
1470         dnl For Unix to MacOS X porting instructions, see:
1471         dnl http://fink.sourceforge.net/doc/porting/porting.html
1472         CFLAGS="$CFLAGS -fno-common"
1473         CXXFLAGS="$CXXFLAGS -fno-common"
1474
1475         dnl Most apps benefit from being fully binded (its faster and static
1476         dnl variables initialized at startup work).
1477         dnl This can be done either with the exe linker flag -Wl,-bind_at_load
1478         dnl or with a double stage link in order to create a single module
1479         dnl "-init _wxWindowsDylibInit" not useful with lazy linking solved
1480
1481         dnl If using newer dev tools then there is a -single_module flag that
1482         dnl we can use to do this, otherwise we'll need to use a helper
1483         dnl script.  Check the version of gcc to see which way we can go:
1484         AC_CACHE_CHECK([for gcc 3.1 or later], wx_cv_gcc31, [
1485            AC_TRY_COMPILE([],
1486                [
1487                    #if (__GNUC__ < 3) || \
1488                        ((__GNUC__ == 3) && (__GNUC_MINOR__ < 1))
1489                        #error old gcc
1490                    #endif
1491                ],
1492                [
1493                    wx_cv_gcc31=yes
1494                ],
1495                [
1496                    wx_cv_gcc31=no
1497                ]
1498            )
1499         ])
1500         if test "$wx_cv_gcc31" = "no"; then
1501             cat <<EOF >shared-ld-sh
1502 #!/bin/sh
1503 #-----------------------------------------------------------------------------
1504 #-- Name:        distrib/mac/shared-ld-sh
1505 #-- Purpose:     Link a mach-o dynamic shared library for Darwin / Mac OS X
1506 #-- Author:      Gilles Depeyrot
1507 #-- Copyright:   (c) 2002 Gilles Depeyrot
1508 #-- Licence:     any use permitted
1509 #-----------------------------------------------------------------------------
1510
1511 verbose=0
1512 args=""
1513 objects=""
1514 linking_flag="-dynamiclib"
1515
1516 while test \${#} -gt 0; do
1517     case \${1} in
1518
1519        -v)
1520         verbose=1
1521         ;;
1522
1523        -o|-compatibility_version|-current_version|-framework|-undefined|-install_name)
1524         # collect these options and values
1525         args="\${args} \${1} \${2}"
1526         shift
1527         ;;
1528
1529        -l*|-L*|-flat_namespace|-headerpad_max_install_names)
1530         # collect these options
1531         args="\${args} \${1}"
1532         ;;
1533
1534        -dynamiclib|-bundle)
1535         linking_flag="\${1}"
1536         ;;
1537
1538        -*)
1539         echo "shared-ld: unhandled option '\${1}'"
1540         exit 1
1541         ;;
1542
1543         *.o | *.a | *.dylib)
1544         # collect object files
1545         objects="\${objects} \${1}"
1546         ;;
1547
1548         *)
1549         echo "shared-ld: unhandled argument '\${1}'"
1550         exit 1
1551         ;;
1552
1553     esac
1554     shift
1555 done
1556
1557 #
1558 # Link one module containing all the others
1559 #
1560 if test \${verbose} = 1; then
1561     echo "c++ -r -keep_private_externs -nostdlib \${objects} -o master.\$\$.o"
1562 fi
1563 c++ -r -keep_private_externs -nostdlib \${objects} -o master.\$\$.o
1564 status=\$?
1565 if test \${status} != 0; then
1566     exit \${status}
1567 fi
1568
1569 #
1570 # Link the shared library from the single module created
1571 #
1572 if test \${verbose} = 1; then
1573     echo "cc \${linking_flag} master.\$\$.o \${args}"
1574 fi
1575 c++ \${linking_flag} master.\$\$.o \${args}
1576 status=\$?
1577 if test \${status} != 0; then
1578     exit \${status}
1579 fi
1580
1581 #
1582 # Remove intermediate module
1583 #
1584 rm -f master.\$\$.o
1585
1586 exit 0
1587 EOF
1588             chmod +x shared-ld-sh
1589
1590             dnl Use the shared-ld-sh helper script
1591             SHARED_LD_CC="`pwd`/shared-ld-sh -dynamiclib -headerpad_max_install_names -o"
1592             SHARED_LD_MODULE_CC="`pwd`/shared-ld-sh -bundle -headerpad_max_install_names -o"
1593             SHARED_LD_CXX="$SHARED_LD_CC"
1594             SHARED_LD_MODULE_CXX="$SHARED_LD_MODULE_CC"
1595         else
1596             dnl Use the -single_module flag and let the linker do it for us
1597             SHARED_LD_CC="\${CC} -dynamiclib -single_module -headerpad_max_install_names -o"
1598             SHARED_LD_MODULE_CC="\${CC} -bundle -single_module -headerpad_max_install_names -o"
1599             SHARED_LD_CXX="\${CXX} -dynamiclib -single_module -headerpad_max_install_names -o"
1600             SHARED_LD_MODULE_CXX="\${CXX} -bundle -single_module -headerpad_max_install_names -o"
1601         fi
1602
1603         PIC_FLAG="-dynamic -fPIC"
1604       ;;
1605
1606       *-*-aix* )
1607         dnl default settings are ok for gcc
1608         if test "x$GCC" != "xyes"; then
1609             dnl the abs path below used to be hardcoded here so I guess it must
1610             dnl be some sort of standard location under AIX?
1611             AC_CHECK_PROG(AIX_CXX_LD, makeC++SharedLib,
1612                           makeC++SharedLib, /usr/lpp/xlC/bin/makeC++SharedLib)
1613             dnl FIXME - what about makeCSharedLib?
1614             SHARED_LD_CC="$AIX_CC_LD -p 0 -o"
1615             SHARED_LD_CXX="$AIX_CXX_LD -p 0 -o"
1616         fi
1617       ;;
1618
1619       *-*-beos* )
1620         dnl can't use gcc under BeOS for shared library creation because it
1621         dnl complains about missing 'main'
1622         SHARED_LD_CC="${LD} -shared -o"
1623         SHARED_LD_CXX="${LD} -shared -o"
1624       ;;
1625
1626       *-*-irix* )
1627         dnl default settings are ok for gcc
1628         if test "x$GCC" != "xyes"; then
1629             PIC_FLAG="-KPIC"
1630         fi
1631       ;;
1632
1633       *-*-cygwin* | *-*-mingw32* )
1634         PIC_FLAG=""
1635       ;;
1636
1637       *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | \
1638       *-*-sunos4* | \
1639       *-*-osf* | \
1640       *-*-dgux5* | \
1641       *-pc-os2_emx | *-pc-os2-emx | \
1642       *-*-sysv5* )
1643         dnl defaults are ok
1644       ;;
1645
1646       *)
1647         AC_MSG_ERROR(unknown system type $BAKEFILE_HOST.)
1648     esac
1649
1650     if test "x$SHARED_LD_MODULE_CC" = "x" ; then
1651         SHARED_LD_MODULE_CC="$SHARED_LD_CC"
1652     fi
1653     if test "x$SHARED_LD_MODULE_CXX" = "x" ; then
1654         SHARED_LD_MODULE_CXX="$SHARED_LD_CXX"
1655     fi
1656
1657     AC_SUBST(SHARED_LD_CC)
1658     AC_SUBST(SHARED_LD_CXX)
1659     AC_SUBST(SHARED_LD_MODULE_CC)
1660     AC_SUBST(SHARED_LD_MODULE_CXX)
1661     AC_SUBST(PIC_FLAG)
1662 ])
1663
1664
1665 dnl ---------------------------------------------------------------------------
1666 dnl AC_BAKEFILE_SHARED_VERSIONS
1667 dnl
1668 dnl Detects linker options for attaching versions (sonames) to shared  libs.
1669 dnl ---------------------------------------------------------------------------
1670
1671 AC_DEFUN(AC_BAKEFILE_SHARED_VERSIONS,
1672 [
1673     USE_SOVERSION=0
1674     USE_SOVERLINUX=0
1675     USE_SOVERSOLARIS=0
1676     USE_SOSYMLINKS=0
1677     USE_MACVERSION=0
1678     SONAME_FLAG=
1679
1680     case "${BAKEFILE_HOST}" in
1681       *-*-linux* )
1682         SONAME_FLAG="-Wl,-soname,"
1683         USE_SOVERSION=1
1684         USE_SOVERLINUX=1
1685         USE_SOSYMLINKS=1
1686       ;;
1687
1688       *-*-solaris2* )
1689         SONAME_FLAG="-h "
1690         USE_SOVERSION=1
1691         USE_SOVERSOLARIS=1
1692         USE_SOSYMLINKS=1
1693       ;;
1694
1695       *-*-darwin* )
1696         USE_MACVERSION=1
1697         USE_SOVERSION=1
1698         USE_SOSYMLINKS=1
1699       ;;
1700     esac
1701
1702     AC_SUBST(USE_SOVERSION)
1703     AC_SUBST(USE_SOVERLINUX)
1704     AC_SUBST(USE_SOVERSOLARIS)
1705     AC_SUBST(USE_MACVERSION)
1706     AC_SUBST(USE_SOSYMLINKS)
1707     AC_SUBST(SONAME_FLAG)
1708 ])
1709
1710
1711 dnl ---------------------------------------------------------------------------
1712 dnl AC_BAKEFILE_DEPS
1713 dnl
1714 dnl Detects available C/C++ dependency tracking options
1715 dnl ---------------------------------------------------------------------------
1716
1717 AC_DEFUN(AC_BAKEFILE_DEPS,
1718 [
1719     AC_MSG_CHECKING([for dependency tracking method])
1720     DEPS_TRACKING=0
1721
1722     if test "x$GCC" = "xyes"; then
1723         DEPSMODE=gcc
1724         DEPS_TRACKING=1
1725         case "${BAKEFILE_HOST}" in
1726             powerpc-*-darwin* )
1727                 dnl -cpp-precomp (the default) conflicts with -MMD option
1728                 dnl used by bk-deps (see also http://developer.apple.com/documentation/Darwin/Conceptual/PortingUnix/compiling/chapter_4_section_3.html)
1729                 DEPSFLAG_GCC="-no-cpp-precomp -MMD"
1730             ;;
1731             * )
1732                 DEPSFLAG_GCC="-MMD"
1733             ;;
1734         esac
1735         AC_MSG_RESULT([gcc])
1736     else
1737         AC_MSG_RESULT([none])
1738     fi
1739
1740     if test $DEPS_TRACKING = 1 ; then
1741         cat <<EOF >bk-deps
1742 #!/bin/sh
1743
1744 # This script is part of Bakefile (http://bakefile.sourceforge.net) autoconf
1745 # script. It is used to track C/C++ files dependencies in portable way.
1746 #
1747 # Permission is given to use this file in any way.
1748
1749 DEPSMODE=$DEPSMODE
1750 DEPSDIR=.deps
1751 DEPSFLAG_GCC="$DEPSFLAG_GCC"
1752
1753 mkdir -p \$DEPSDIR
1754
1755 if test \$DEPSMODE = gcc ; then
1756     \${*} \${DEPSFLAG_GCC}
1757     status=\${?}
1758     if test \${status} != 0 ; then
1759         exit \${status}
1760     fi
1761     # move created file to the location we want it in:
1762     while test \${#} -gt 0; do
1763         case "\${1}" in
1764             -o )
1765                 shift
1766                 objfile=\${1}
1767             ;;
1768             -* )
1769             ;;
1770             * )
1771                 srcfile=\${1}
1772             ;;
1773         esac
1774         shift
1775     done
1776     depfile=\`basename \$srcfile | sed -e 's/\..*$/.d/g'\`
1777     depobjname=\`echo \$depfile |sed -e 's/\.d/.o/g'\`
1778     if test -f \$depfile ; then
1779         sed -e "s,\$depobjname:,\$objfile:,g" \$depfile >\${DEPSDIR}/\${objfile}.d
1780         rm -f \$depfile
1781     else
1782         depfile=\`basename \$objfile | sed -e 's/\..*$/.d/g'\`
1783         if test -f \$depfile ; then
1784             sed -e "/^\$objfile/!s,\$depobjname:,\$objfile:,g" \$depfile >\${DEPSDIR}/\${objfile}.d
1785             rm -f \$depfile
1786         fi
1787     fi
1788     exit 0
1789 else
1790     \${*}
1791     exit \${?}
1792 fi
1793 EOF
1794         chmod +x bk-deps
1795     fi
1796
1797     AC_SUBST(DEPS_TRACKING)
1798 ])
1799
1800 dnl ---------------------------------------------------------------------------
1801 dnl AC_BAKEFILE_CHECK_BASIC_STUFF
1802 dnl
1803 dnl Checks for presence of basic programs, such as C and C++ compiler, "ranlib"
1804 dnl or "install"
1805 dnl ---------------------------------------------------------------------------
1806
1807 AC_DEFUN(AC_BAKEFILE_CHECK_BASIC_STUFF,
1808 [
1809     AC_PROG_RANLIB
1810     AC_PROG_INSTALL
1811     AC_PROG_LN_S
1812
1813     AC_PROG_MAKE_SET
1814     AC_SUBST(MAKE_SET)
1815
1816     AC_CHECK_TOOL(AR, ar, ar)
1817     AC_CHECK_TOOL(STRIP, strip, :)
1818     AC_CHECK_TOOL(NM, nm, :)
1819
1820     case ${BAKEFILE_HOST} in
1821         *-hp-hpux* )
1822             INSTALL_DIR="mkdir"
1823             ;;
1824         *)  INSTALL_DIR="$INSTALL -d"
1825             ;;
1826     esac
1827     AC_SUBST(INSTALL_DIR)
1828
1829     LDFLAGS_GUI=
1830     case ${BAKEFILE_HOST} in
1831         *-*-cygwin* | *-*-mingw32* )
1832         LDFLAGS_GUI="-Wl,--subsystem,windows -mwindows"
1833     esac
1834     AC_SUBST(LDFLAGS_GUI)
1835 ])
1836
1837
1838 dnl ---------------------------------------------------------------------------
1839 dnl AC_BAKEFILE_RES_COMPILERS
1840 dnl
1841 dnl Checks for presence of resource compilers for win32 or mac
1842 dnl ---------------------------------------------------------------------------
1843
1844 AC_DEFUN(AC_BAKEFILE_RES_COMPILERS,
1845 [
1846     RESCOMP=
1847     SETFILE=
1848
1849     case ${BAKEFILE_HOST} in
1850         *-*-cygwin* | *-*-mingw32* )
1851             dnl Check for win32 resources compiler:
1852             if test "$build" != "$host" ; then
1853                 RESCOMP=$host_alias-windres
1854             else
1855                 AC_CHECK_PROG(RESCOMP, windres, windres, windres)
1856             fi
1857          ;;
1858
1859       *-*-darwin* )
1860             AC_CHECK_PROG(RESCOMP, Rez, Rez, /Developer/Tools/Rez)
1861             AC_CHECK_PROG(SETFILE, SetFile, SetFile, /Developer/Tools/SetFile)
1862         ;;
1863     esac
1864
1865     AC_SUBST(RESCOMP)
1866     AC_SUBST(SETFILE)
1867 ])
1868
1869 dnl ---------------------------------------------------------------------------
1870 dnl AC_BAKEFILE_PRECOMP_HEADERS
1871 dnl
1872 dnl Check for precompiled headers support (GCC >= 3.4)
1873 dnl ---------------------------------------------------------------------------
1874
1875 AC_DEFUN(AC_BAKEFILE_PRECOMP_HEADERS,
1876 [
1877
1878     AC_ARG_ENABLE([precomp-headers],
1879                   [  --disable-precomp-headers  don't use precompiled headers even if compiler can],
1880                   [bk_use_pch="$enableval"])
1881
1882     GCC_PCH=0
1883
1884     if test "x$bk_use_pch" = "x" -o "x$bk_use_pch" = "xyes" ; then
1885         if test "x$GCC" = "xyes"; then
1886             dnl test if we have gcc-3.4:
1887             AC_MSG_CHECKING([if the compiler supports precompiled headers])
1888             AC_TRY_COMPILE([],
1889                 [
1890                     #if !defined(__GNUC__) || !defined(__GNUC_MINOR__)
1891                         #error "no pch support"
1892                     #endif
1893                     #if (__GNUC__ < 3)
1894                         #error "no pch support"
1895                     #endif
1896                     #if (__GNUC__ == 3) && \
1897                        ((!defined(__APPLE_CC__) && (__GNUC_MINOR__ < 4)) || \
1898                        ( defined(__APPLE_CC__) && (__GNUC_MINOR__ < 3)))
1899                         #error "no pch support"
1900                     #endif
1901                 ],
1902                 [
1903                     AC_MSG_RESULT([yes])
1904                     dnl FIXME - this is temporary, till .gch dependencies
1905                     dnl         are fixed in generated Makefiles
1906                     CPPFLAGS="-fpch-deps $CPPFLAGS"
1907                     GCC_PCH=1
1908                 ],
1909                 [
1910                     AC_MSG_RESULT([no])
1911                 ])
1912             if test $GCC_PCH = 1 ; then
1913                 cat <<EOF >bk-make-pch
1914 #!/bin/sh
1915
1916 # This script is part of Bakefile (http://bakefile.sourceforge.net) autoconf
1917 # script. It is used to generated precompiled headers.
1918 #
1919 # Permission is given to use this file in any way.
1920
1921 outfile="\${1}"
1922 header="\${2}"
1923 shift
1924 shift
1925
1926 compiler=
1927 headerfile=
1928 while test \${#} -gt 0; do
1929     case "\${1}" in
1930         -I* )
1931             incdir=\`echo \${1} | sed -e 's/-I\(.*\)/\1/g'\`
1932             if test "x\${headerfile}" = "x" -a -f "\${incdir}/\${header}" ; then
1933                 headerfile="\${incdir}/\${header}"
1934             fi
1935         ;;
1936     esac
1937     compiler="\${compiler} \${1}"
1938     shift
1939 done
1940
1941 if test "x\${headerfile}" = "x" ; then
1942     echo "error: can't find header \${header} in include paths" >2
1943 else
1944     if test -f \${outfile} ; then
1945         rm -f \${outfile}
1946     else
1947         mkdir -p \`dirname \${outfile}\`
1948     fi
1949     depsfile=".deps/\`basename \${outfile}\`.d"
1950     mkdir -p .deps
1951     # can do this because gcc is >= 3.4:
1952     \${compiler} -o \${outfile} -MMD -MF "\${depsfile}" "\${headerfile}"
1953     exit \${?}
1954 fi
1955 EOF
1956                 chmod +x bk-make-pch
1957             fi
1958         fi
1959     fi
1960
1961     AC_SUBST(GCC_PCH)
1962 ])
1963
1964
1965
1966 dnl ---------------------------------------------------------------------------
1967 dnl AC_BAKEFILE
1968 dnl
1969 dnl To be used in configure.in of any project using Bakefile-generated mks
1970 dnl
1971 dnl Behaviour can be modified by setting following variables:
1972 dnl    BAKEFILE_CHECK_BASICS    set to "no" if you don't want bakefile to
1973 dnl                             to perform check for basic tools like ranlib
1974 dnl    BAKEFILE_HOST            set this to override host detection, defaults
1975 dnl                             to ${host}
1976 dnl    BAKEFILE_FORCE_PLATFORM  set to override platform detection
1977 dnl ---------------------------------------------------------------------------
1978
1979 AC_DEFUN(AC_BAKEFILE,
1980 [
1981     if test "x$BAKEFILE_HOST" = "x"; then
1982         BAKEFILE_HOST="${host}"
1983     fi
1984
1985     if test "x$BAKEFILE_CHECK_BASICS" != "xno"; then
1986         AC_BAKEFILE_CHECK_BASIC_STUFF
1987     fi
1988     AC_BAKEFILE_GNUMAKE
1989     AC_BAKEFILE_PLATFORM
1990     AC_BAKEFILE_SUFFIXES
1991     AC_BAKEFILE_SHARED_LD
1992     AC_BAKEFILE_SHARED_VERSIONS
1993     AC_BAKEFILE_DEPS
1994     AC_BAKEFILE_RES_COMPILERS
1995
1996     builtin(include, autoconf_inc.m4)
1997 ])
1998