aclocal.m4

   1 # generated automatically by aclocal 1.7.2 -*- Autoconf -*-
   2
   3 # Copyright (C) 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 dnl ---------------------------------------------------------------------------
1066 dnl Support macros for makefiles generated by BAKEFILE.
1067 dnl ---------------------------------------------------------------------------
1068
1069 dnl Lots of compiler & linker detection code contained here was taken from
1070 dnl wxWindows configure.in script (see http://www.wxwindows.org)
1071
1072
1073
1074 dnl ---------------------------------------------------------------------------
1075 dnl AC_BAKEFILE_GNUMAKE
1076 dnl
1077 dnl Detects GNU make
1078 dnl ---------------------------------------------------------------------------
1079
1080 AC_DEFUN(AC_BAKEFILE_GNUMAKE,
1081 [
1082     dnl does make support "-include" (only GNU make does AFAIK)?
1083     AC_CACHE_CHECK([if make is GNU make], bakefile_cv_prog_makeisgnu,
1084     [
1085         if ( ${SHELL-sh} -c "${MAKE-make} --version" 2> /dev/null |
1086                 egrep -s GNU > /dev/null); then
1087             bakefile_cv_prog_makeisgnu="yes"
1088         else
1089             bakefile_cv_prog_makeisgnu="no"
1090         fi
1091     ])
1092
1093     if test "x$bakefile_cv_prog_makeisgnu" = "xyes"; then
1094         IF_GNU_MAKE=""
1095     else
1096         IF_GNU_MAKE="#"
1097     fi
1098     AC_SUBST(IF_GNU_MAKE)
1099 ])
1100
1101 dnl ---------------------------------------------------------------------------
1102 dnl AC_BAKEFILE_PLATFORM
1103 dnl
1104 dnl Detects platform and sets PLATFORM_XXX variables accordingly
1105 dnl ---------------------------------------------------------------------------
1106
1107 AC_DEFUN(AC_BAKEFILE_PLATFORM,
1108 [
1109     PLATFORM_UNIX=0
1110     PLATFORM_WIN32=0
1111     PLATFORM_MSDOS=0
1112     PLATFORM_MAC=0
1113     PLATFORM_MACOSX=0
1114
1115     case "${host}" in
1116         *-*-cygwin* | *-*-mingw32* )
1117             PLATFORM_WIN32=1
1118         ;;
1119         *-pc-msdosdjgpp | *-pc-os2_emx | *-pc-os2-emx )
1120             PLATFORM_MSDOS=1
1121         ;;
1122         powerpc-*-darwin* )
1123             PLATFORM_MAC=1
1124             PLATFORM_MACOSX=1
1125         ;;
1126         * )
1127             PLATFORM_UNIX=1
1128         ;;
1129     esac
1130
1131     AC_SUBST(PLATFORM_UNIX)
1132     AC_SUBST(PLATFORM_WIN32)
1133     AC_SUBST(PLATFORM_MSDOS)
1134     AC_SUBST(PLATFORM_MAC)
1135     AC_SUBST(PLATFORM_MACOSX)
1136 ])
1137
1138
1139
1140 dnl ---------------------------------------------------------------------------
1141 dnl AC_BAKEFILE_SUFFIXES
1142 dnl
1143 dnl Detects shared various suffixes for shared libraries, libraries, programs,
1144 dnl plugins etc.
1145 dnl ---------------------------------------------------------------------------
1146
1147 AC_DEFUN(AC_BAKEFILE_SUFFIXES,
1148 [
1149     SO_SUFFIX="so"
1150     SO_SUFFIX_MODULE="so"
1151     EXEEXT=""
1152     LIBPREFIX=lib
1153     DLLPREFIX=lib
1154     DLLPREFIX_MODULE=
1155
1156     case "${host}" in
1157         *-hp-hpux* )
1158             SO_SUFFIX="sl"
1159             SO_SUFFIX_MODULE="sl"
1160         ;;
1161         *-*-aix* )
1162             dnl quoting from
1163             dnl http://www-1.ibm.com/servers/esdd/articles/gnu.html:
1164             dnl     Both archive libraries and shared libraries on AIX have an
1165             dnl     .a extension. This will explain why you can't link with an
1166             dnl     .so and why it works with the name changed to .a.
1167             SO_SUFFIX="a"
1168             SO_SUFFIX_MODULE="a"
1169         ;;
1170         *-*-cygwin* | *-*-mingw32* )
1171             SO_SUFFIX="dll"
1172             SO_SUFFIX_MODULE="dll"
1173             EXEEXT=".exe"
1174             DLLPREFIX=""
1175         ;;
1176         *-pc-msdosdjgpp )
1177             EXEEXT=".exe"
1178             DLLPREFIX=""
1179         ;;
1180         *-pc-os2_emx | *-pc-os2-emx )
1181             EXEEXT=".exe"
1182             DLLPREFIX=""
1183             LIBPREFIX=""
1184         ;;
1185         powerpc-*-darwin* )
1186             SO_SUFFIX="dylib"
1187             SO_SUFFIX_MODULE="bundle"
1188         ;;
1189     esac
1190
1191     AC_SUBST(SO_SUFFIX)
1192     AC_SUBST(SO_SUFFIX_MODULE)
1193     AC_SUBST(EXEEXT)
1194     AC_SUBST(LIBPREFIX)
1195     AC_SUBST(DLLPREFIX)
1196     AC_SUBST(DLLPREFIX_MODULE)
1197 ])
1198
1199
1200 dnl ---------------------------------------------------------------------------
1201 dnl AC_BAKEFILE_SHARED_LD
1202 dnl
1203 dnl Detects command for making shared libraries, substitutes SHARED_LD_CC
1204 dnl and SHARED_LD_CXX.
1205 dnl ---------------------------------------------------------------------------
1206
1207 AC_DEFUN(AC_BAKEFILE_SHARED_LD,
1208 [
1209     dnl Defaults for GCC and ELF .so shared libs:
1210     SHARED_LD_CC="\$(CC) -shared -o"
1211     SHARED_LD_CXX="\$(CXX) -shared -o"
1212
1213     dnl the extra compiler flags needed for compilation of shared library
1214     if test "x$GCC" = "xyes"; then
1215         dnl the switch for gcc is the same under all platforms
1216         PIC_FLAG="-fPIC"
1217     fi
1218
1219     case "${host}" in
1220       *-hp-hpux* )
1221         dnl default settings are good for gcc but not for the native HP-UX
1222         if test "x$GCC" = "xyes"; then
1223             dnl -o flag must be after PIC flag
1224             SHARED_LD_CC="${CC} -shared ${PIC_FLAG} -o"
1225             SHARED_LD_CXX="${CXX} -shared ${PIC_FLAG} -o"
1226         else
1227             dnl no idea why it wants it, but it does
1228             LDFLAGS="$LDFLAGS -L/usr/lib"
1229
1230             SHARED_LD_CC="${CC} -b -o"
1231             SHARED_LD_CXX="${CXX} -b -o"
1232             PIC_FLAG="+Z"
1233         fi
1234       ;;
1235
1236       *-*-linux* )
1237         if test "x$GCC" != "xyes"; then
1238             AC_CACHE_CHECK([for Intel compiler], bakefile_cv_prog_icc,
1239             [
1240                 AC_TRY_COMPILE([],
1241                     [
1242                         #ifndef __INTEL_COMPILER
1243                         #error Not icc
1244                         #endif
1245                     ],
1246                     bakefile_cv_prog_icc=yes,
1247                     bakefile_cv_prog_icc=no
1248                 )
1249             ])
1250             if test "$bakefile_cv_prog_icc" = "yes"; then
1251                 PIC_FLAG="-KPIC"
1252             fi
1253         fi
1254       ;;
1255
1256       *-*-solaris2* )
1257         if test "x$GCC" != xyes ; then
1258             SHARED_LD_CC="${CC} -G -o"
1259             SHARED_LD_CXX="${CXX} -G -o"
1260             PIC_FLAG="-KPIC"
1261         fi
1262       ;;
1263
1264       *-*-darwin* )
1265         dnl For Unix to MacOS X porting instructions, see:
1266         dnl http://fink.sourceforge.net/doc/porting/porting.html
1267         CFLAGS="$CFLAGS -fno-common"
1268         CXXFLAGS="$CXXFLAGS -fno-common"
1269
1270         dnl Most apps benefit from being fully binded (its faster and static
1271         dnl variables initialized at startup work).
1272         dnl This can be done either with the exe linker flag -Wl,-bind_at_load
1273         dnl or with a double stage link in order to create a single module
1274         dnl "-init _wxWindowsDylibInit" not useful with lazy linking solved
1275
1276         cat <<EOF >shared-ld-sh
1277 #!/bin/sh
1278 #-----------------------------------------------------------------------------
1279 #-- Name:        distrib/mac/shared-ld-sh
1280 #-- Purpose:     Link a mach-o dynamic shared library for Darwin / Mac OS X
1281 #-- Author:      Gilles Depeyrot
1282 #-- Copyright:   (c) 2002 Gilles Depeyrot
1283 #-- Licence:     any use permitted
1284 #-----------------------------------------------------------------------------
1285
1286 verbose=0
1287 args=""
1288 objects=""
1289 linking_flag="-dynamiclib"
1290
1291 while test \${#} -gt 0; do
1292     case \${1} in
1293
1294        -v)
1295         verbose=1
1296         ;;
1297
1298        -o|-compatibility_version|-current_version|-framework|-undefined|-install_name)
1299         # collect these options and values
1300         args="\${args} \${1} \${2}"
1301         shift
1302         ;;
1303
1304        -l*|-L*|-flat_namespace)
1305         # collect these options
1306         args="\${args} \${1}"
1307         ;;
1308
1309        -dynamiclib|-bundle)
1310         linking_flag="\${1}"
1311         ;;
1312
1313        -*)
1314         echo "shared-ld: unhandled option '\${1}'"
1315         exit 1
1316         ;;
1317
1318         *.o | *.a | *.dylib)
1319         # collect object files
1320         objects="\${objects} \${1}"
1321         ;;
1322
1323         *)
1324         echo "shared-ld: unhandled argument '\${1}'"
1325         exit 1
1326         ;;
1327
1328     esac
1329     shift
1330 done
1331
1332 #
1333 # Link one module containing all the others
1334 #
1335 if test \${verbose} = 1; then
1336     echo "c++ -r -keep_private_externs -nostdlib \${objects} -o master.\$\$.o"
1337 fi
1338 c++ -r -keep_private_externs -nostdlib \${objects} -o master.\$\$.o
1339 status=\$?
1340 if test \${status} != 0; then
1341     exit \${status}
1342 fi
1343
1344 #
1345 # Link the shared library from the single module created
1346 #
1347 if test \${verbose} = 1; then
1348     echo "cc \${linking_flag} master.\$\$.o \${args}"
1349 fi
1350 c++ \${linking_flag} master.\$\$.o \${args}
1351 status=\$?
1352 if test \${status} != 0; then
1353     exit \${status}
1354 fi
1355
1356 #
1357 # Remove intermediate module
1358 #
1359 rm -f master.\$\$.o
1360
1361 exit 0
1362 EOF
1363         chmod +x shared-ld-sh
1364
1365         SHARED_LD_CC="`pwd`/shared-ld-sh -dynamiclib -undefined suppress -flat_namespace -o"
1366         SHARED_LD_MODULE_CC="`pwd`/shared-ld-sh -bundle -undefined suppress -flat_namespace -o"
1367         SHARED_LD_CXX="$SHARED_LD_CC"
1368         SHARED_LD_MODULE_CXX="$SHARED_LD_MODULE_CC"
1369         PIC_FLAG="-dynamic -fPIC"
1370         dnl FIXME - what about C libs? Gilles says to use c++ because it doesn't
1371         dnl         matter for C projects and matters for C++ ones
1372         dnl FIXME - newer devel tools have linker flag to do this, the script
1373         dnl         is not necessary - detect!
1374       ;;
1375
1376       *-*-aix* )
1377         dnl default settings are ok for gcc
1378         if test "x$GCC" != "xyes"; then
1379             dnl the abs path below used to be hardcoded here so I guess it must
1380             dnl be some sort of standard location under AIX?
1381             AC_CHECK_PROG(AIX_CXX_LD, makeC++SharedLib,
1382                           makeC++SharedLib, /usr/lpp/xlC/bin/makeC++SharedLib)
1383             dnl FIXME - what about makeCSharedLib?
1384             SHARED_LD_CC="$AIX_CC_LD -p 0 -o"
1385             SHARED_LD_CXX="$AIX_CXX_LD -p 0 -o"
1386         fi
1387       ;;
1388
1389       *-*-beos* )
1390         dnl can't use gcc under BeOS for shared library creation because it
1391         dnl complains about missing 'main'
1392         SHARED_LD_CC="${LD} -shared -o"
1393         SHARED_LD_CXX="${LD} -shared -o"
1394       ;;
1395
1396       *-*-irix* )
1397         dnl default settings are ok for gcc
1398         if test "x$GCC" != "xyes"; then
1399             PIC_FLAG="-KPIC"
1400         fi
1401       ;;
1402
1403       *-*-cygwin* | *-*-mingw32* )
1404         PIC_FLAG=""
1405       ;;
1406
1407       *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | \
1408       *-*-sunos4* | \
1409       *-*-osf* | \
1410       *-*-dgux5* | \
1411       *-pc-os2_emx | *-pc-os2-emx | \
1412       *-*-sysv5* )
1413         dnl defaults are ok
1414       ;;
1415
1416       *)
1417         AC_MSG_ERROR(unknown system type $host.)
1418     esac
1419
1420     if test "x$SHARED_LD_MODULE_CC" = "x" ; then
1421         SHARED_LD_MODULE_CC="$SHARED_LD_CC"
1422     fi
1423     if test "x$SHARED_LD_MODULE_CXX" = "x" ; then
1424         SHARED_LD_MODULE_CXX="$SHARED_LD_CXX"
1425     fi
1426
1427     AC_SUBST(SHARED_LD_CC)
1428     AC_SUBST(SHARED_LD_CXX)
1429     AC_SUBST(SHARED_LD_MODULE_CC)
1430     AC_SUBST(SHARED_LD_MODULE_CXX)
1431     AC_SUBST(PIC_FLAG)
1432 ])
1433
1434
1435 dnl ---------------------------------------------------------------------------
1436 dnl AC_BAKEFILE_SHARED_VERSIONS
1437 dnl
1438 dnl Detects linker options for attaching versions (sonames) to shared  libs.
1439 dnl ---------------------------------------------------------------------------
1440
1441 AC_DEFUN(AC_BAKEFILE_SHARED_VERSIONS,
1442 [
1443     USE_SOVERSION=0
1444     USE_SOVERLINUX=0
1445     USE_SOVERSOLARIS=0
1446     USE_SOSYMLINKS=0
1447     USE_MACVERSION=0
1448     SONAME_FLAG=
1449
1450     case "${host}" in
1451       *-*-linux* )
1452         SONAME_FLAG="-Wl,-soname,"
1453         USE_SOVERSION=1
1454         USE_SOVERLINUX=1
1455         USE_SOSYMLINKS=1
1456       ;;
1457
1458       *-*-solaris2* )
1459         SONAME_FLAG="-h "
1460         USE_SOVERSION=1
1461         USE_SOVERSOLARIS=1
1462         USE_SOSYMLINKS=1
1463       ;;
1464
1465       *-*-darwin* )
1466         USE_MACVERSION=1
1467         USE_SOVERSION=1
1468         USE_SOSYMLINKS=1
1469       ;;
1470     esac
1471
1472     AC_SUBST(USE_SOVERSION)
1473     AC_SUBST(USE_SOVERLINUX)
1474     AC_SUBST(USE_SOVERSOLARIS)
1475     AC_SUBST(USE_MACVERSION)
1476     AC_SUBST(USE_SOSYMLINKS)
1477     AC_SUBST(SONAME_FLAG)
1478 ])
1479
1480
1481 dnl ---------------------------------------------------------------------------
1482 dnl AC_BAKEFILE_DEPS
1483 dnl
1484 dnl Detects available C/C++ dependency tracking options
1485 dnl ---------------------------------------------------------------------------
1486
1487 AC_DEFUN(AC_BAKEFILE_DEPS,
1488 [
1489     AC_MSG_CHECKING([for dependency tracking method])
1490     DEPS_TRACKING=0
1491
1492     if test "x$GCC" = "xyes"; then
1493         DEPSMODE=gcc
1494         DEPS_TRACKING=1
1495         case "${host}" in
1496             powerpc-*-darwin* )
1497                 dnl -cpp-precomp (the default) conflicts with -MMD option
1498                 dnl used by bk-deps (see also http://developer.apple.com/documentation/Darwin/Conceptual/PortingUnix/compiling/chapter_4_section_3.html)
1499                 DEPSFLAG_GCC="-no-cpp-precomp -MMD"
1500             ;;
1501             * )
1502                 DEPSFLAG_GCC="-MMD"
1503             ;;
1504         esac
1505         AC_MSG_RESULT([gcc])
1506     else
1507         AC_MSG_RESULT([none])
1508     fi
1509
1510     if test $DEPS_TRACKING = 1 ; then
1511         cat <<EOF >bk-deps
1512 #!/bin/sh
1513
1514 # This script is part of Bakefile (http://bakefile.sourceforge.net) autoconf
1515 # script. It is used to track C/C++ files dependencies in portable way.
1516 #
1517 # Permission is given to use this file in any way.
1518
1519 DEPSMODE=$DEPSMODE
1520 DEPSDIR=.deps
1521 DEPSFLAG_GCC="$DEPSFLAG_GCC"
1522
1523 mkdir -p \$DEPSDIR
1524
1525 if test \$DEPSMODE = gcc ; then
1526     \${*} \${DEPSFLAG_GCC}
1527     status=\${?}
1528     if test \${status} != 0 ; then
1529         exit \${status}
1530     fi
1531     # move created file to the location we want it in:
1532     while test \${#} -gt 0; do
1533         case "\${1}" in
1534             -o )
1535                 shift
1536                 objfile=\${1}
1537             ;;
1538             -* )
1539             ;;
1540             * )
1541                 srcfile=\${1}
1542             ;;
1543         esac
1544         shift
1545     done
1546     depfile=\`basename \$srcfile | sed -e 's/\..*$/.d/g'\`
1547     depobjname=\`echo \$depfile |sed -e 's/\.d/.o/g'\`
1548     if test -f \$depfile ; then
1549         sed -e "s,\$depobjname:,\$objfile:,g" \$depfile >\${DEPSDIR}/\${objfile}.d
1550         rm -f \$depfile
1551     else
1552         depfile=\`basename \$objfile | sed -e 's/\..*$/.d/g'\`
1553         if test -f \$depfile ; then
1554             sed -e "/^\$objfile/! s,\$depobjname:,\$objfile:,g" \$depfile >\${DEPSDIR}/\${objfile}.d
1555             rm -f \$depfile
1556         fi
1557     fi
1558     exit 0
1559 else
1560     \${*}
1561     exit \${?}
1562 fi
1563 EOF
1564         chmod +x bk-deps
1565     fi
1566
1567     AC_SUBST(DEPS_TRACKING)
1568 ])
1569
1570 dnl ---------------------------------------------------------------------------
1571 dnl AC_BAKEFILE_CHECK_BASIC_STUFF
1572 dnl
1573 dnl Checks for presence of basic programs, such as C and C++ compiler, "ranlib"
1574 dnl or "install"
1575 dnl ---------------------------------------------------------------------------
1576
1577 AC_DEFUN(AC_BAKEFILE_CHECK_BASIC_STUFF,
1578 [
1579     AC_PROG_RANLIB
1580     AC_PROG_INSTALL
1581     AC_PROG_LN_S
1582
1583     AC_PROG_MAKE_SET
1584     AC_SUBST(MAKE_SET)
1585
1586     if test "$build" != "$host" ; then
1587         AR=$host_alias-ar
1588         STRIP=$host_alias-strip
1589     else
1590         AC_CHECK_PROG(AR, ar, ar, ar)
1591         AC_CHECK_PROG(STRIP, strip, strip, true)
1592     fi
1593
1594     case ${host} in
1595         *-hp-hpux* )
1596             INSTALL_DIR="mkdir"
1597             ;;
1598         *)  INSTALL_DIR="$INSTALL -d"
1599             ;;
1600     esac
1601     AC_SUBST(INSTALL_DIR)
1602
1603     LDFLAGS_GUI=
1604     case ${host} in
1605         *-*-cygwin* | *-*-mingw32* )
1606         LDFLAGS_GUI="-Wl,--subsystem,windows -mwindows"
1607     esac
1608     AC_SUBST(LDFLAGS_GUI)
1609 ])
1610
1611
1612 dnl ---------------------------------------------------------------------------
1613 dnl AC_BAKEFILE_RES_COMPILERS
1614 dnl
1615 dnl Checks for presence of resource compilers for win32 or mac
1616 dnl ---------------------------------------------------------------------------
1617
1618 AC_DEFUN(AC_BAKEFILE_RES_COMPILERS,
1619 [
1620     RESCOMP=
1621     SETFILE=
1622
1623     case ${host} in
1624         *-*-cygwin* | *-*-mingw32* )
1625             dnl Check for win32 resources compiler:
1626             if test "$build" != "$host" ; then
1627                 RESCOMP=$host_alias-windres
1628             else
1629                 AC_CHECK_PROG(RESCOMP, windres, windres, windres)
1630             fi
1631          ;;
1632
1633       *-*-darwin* )
1634             AC_CHECK_PROG(RESCOMP, Rez, Rez, /Developer/Tools/Rez)
1635             AC_CHECK_PROG(SETFILE, SetFile, SetFile, /Developer/Tools/SetFile)
1636         ;;
1637     esac
1638
1639     AC_SUBST(RESCOMP)
1640     AC_SUBST(SETFILE)
1641 ])
1642
1643 dnl ---------------------------------------------------------------------------
1644 dnl AC_BAKEFILE_PRECOMP_HEADERS
1645 dnl
1646 dnl Check for precompiled headers support (GCC >= 3.4)
1647 dnl ---------------------------------------------------------------------------
1648
1649 AC_DEFUN(AC_BAKEFILE_PRECOMP_HEADERS,
1650 [
1651
1652     AC_ARG_ENABLE([precomp-headers],
1653                   [  --disable-precomp-headers  don't use precompiled headers even if compiler can],
1654                   [bk_use_pch="$enableval"])
1655
1656     GCC_PCH=0
1657
1658     if test "x$bk_use_pch" = "x" -o "x$bk_use_pch" = "xyes" ; then
1659         if test "x$GCC" = "xyes"; then
1660             dnl test if we have gcc-3.4:
1661             AC_MSG_CHECKING([if the compiler supports precompiled headers])
1662             AC_TRY_COMPILE([],
1663                 [
1664                     #if !defined(__GNUC__) || !defined(__GNUC_MINOR__)
1665                         #error "no pch support"
1666                     #endif
1667                     #if (__GNUC__ < 3)
1668                         #error "no pch support"
1669                     #endif
1670                     #if (__GNUC__ == 3) && \
1671                        ((!defined(__APPLE_CC__) && (__GNUC_MINOR__ < 4)) || \
1672                        ( defined(__APPLE_CC__) && (__GNUC_MINOR__ < 3)))
1673                         #error "no pch support"
1674                     #endif
1675                 ],
1676                 [
1677                     AC_MSG_RESULT([yes])
1678                     dnl FIXME - this is temporary, till .gch dependencies
1679                     dnl         are fixed in generated Makefiles
1680                     CPPFLAGS="-fpch-deps $CPPFLAGS"
1681                     GCC_PCH=1
1682                 ],
1683                 [
1684                     AC_MSG_RESULT([no])
1685                 ])
1686             if test $GCC_PCH = 1 ; then
1687                 cat <<EOF >bk-make-pch
1688 #!/bin/sh
1689
1690 # This script is part of Bakefile (http://bakefile.sourceforge.net) autoconf
1691 # script. It is used to generated precompiled headers.
1692 #
1693 # Permission is given to use this file in any way.
1694
1695 outfile="\${1}"
1696 header="\${2}"
1697 shift
1698 shift
1699
1700 compiler=
1701 headerfile=
1702 while test \${#} -gt 0; do
1703     case "\${1}" in
1704         -I* )
1705             incdir=\`echo \${1} | sed -e 's/-I\(.*\)/\1/g'\`
1706             if test "x\${headerfile}" = "x" -a -f "\${incdir}/\${header}" ; then
1707                 headerfile="\${incdir}/\${header}"
1708             fi
1709         ;;
1710     esac
1711     compiler="\${compiler} \${1}"
1712     shift
1713 done
1714
1715 if test "x\${headerfile}" = "x" ; then
1716     echo "error: can't find header \${header} in include paths" >2
1717 else
1718     if test -f \${outfile} ; then
1719         rm -f \${outfile}
1720     else
1721         mkdir -p \`dirname \${outfile}\`
1722     fi
1723     depsfile=".deps/\`basename \${outfile}\`.d"
1724     mkdir -p .deps
1725     # can do this because gcc is >= 3.4:
1726     \${compiler} -o \${outfile} -MMD -MF "\${depsfile}" "\${headerfile}"
1727     exit \${?}
1728 fi
1729 EOF
1730                 chmod +x bk-make-pch
1731             fi
1732         fi
1733     fi
1734
1735     AC_SUBST(GCC_PCH)
1736 ])
1737
1738
1739
1740 dnl ---------------------------------------------------------------------------
1741 dnl AC_BAKEFILE
1742 dnl
1743 dnl To be used in configure.in of any project using Bakefile-generated mks
1744 dnl ---------------------------------------------------------------------------
1745
1746 AC_DEFUN(AC_BAKEFILE,
1747 [
1748     if test "x$BAKEFILE_CHECK_BASICS" != "xno"; then
1749         AC_BAKEFILE_CHECK_BASIC_STUFF
1750     fi
1751     AC_BAKEFILE_GNUMAKE
1752     AC_BAKEFILE_PLATFORM
1753     AC_BAKEFILE_SUFFIXES
1754     AC_BAKEFILE_SHARED_LD
1755     AC_BAKEFILE_SHARED_VERSIONS
1756     AC_BAKEFILE_DEPS
1757     AC_BAKEFILE_RES_COMPILERS
1758
1759     builtin(include, autoconf_inc.m4)
1760 ])
1761