X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bcd2b961ff2545f4daf8ca7150b660a23cb0c8f7..e18bf7e7c6477b82203375141aee69656ac2d987:/aclocal.m4?ds=inline diff --git a/aclocal.m4 b/aclocal.m4 index 58b57dd2c6..6b8d91e1b9 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1,970 +1,194 @@ -dnl --------------------------------------------------------------------------- -dnl -dnl Purpose: Cursom macros for autoconf configure script. -dnl Authoer: Vadim Zeitlin -dnl Created: 26.05.99 -dnl Version: $Id$ -dnl --------------------------------------------------------------------------- - -dnl =========================================================================== -dnl include automake macros -dnl =========================================================================== - -dnl Like AC_CONFIG_HEADER, but automatically create stamp file. -AC_DEFUN(AM_CONFIG_HEADER, -[AC_PREREQ([2.12]) -AC_CONFIG_HEADER([$1]) -dnl When config.status generates a header, we must update the stamp-h file. -dnl This file resides in the same directory as the config header -dnl that is generated. 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What could be older than Ultrix?!! ;)} - -changequote(,)dnl -# Character class describing NM global symbol codes. -ac_symcode='[BCDEGRSTU]' - -# Regexp to match symbols that can be accessed directly from C. -ac_sympat='\([_A-Za-z][_A-Za-z0-9]*\)' - -# Transform the above into a raw symbol and a C symbol. -ac_symxfrm='\1 \1' - -# Define system-specific variables. -case "$host_os" in -aix*) - ac_symcode='[BCDTU]' - ;; -sunos* | cygwin32* | mingw32*) - ac_sympat='_\([_A-Za-z][_A-Za-z0-9]*\)' - ac_symxfrm='_\1 \1' - ;; -irix*) - # Cannot use undefined symbols on IRIX because inlined functions mess us up. - ac_symcode='[BCDEGRST]' - ;; -solaris*) - ac_symcode='[BDTU]' - ;; -esac - -# If we're using GNU nm, then use its standard symbol codes. -if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then - ac_symcode='[ABCDGISTUW]' -fi - -case "$host_os" in -cygwin32* | mingw32*) - # We do not want undefined symbols on cygwin32. The user must - # arrange to define them via -l arguments. - ac_symcode='[ABCDGISTW]' - ;; -esac -changequote([,])dnl - -# Write the raw and C identifiers. -ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.* $ac_symcode $ac_sympat$/$ac_symxfrm/p'" - -# Check to see that the pipe works correctly. -ac_pipe_works=no -cat > conftest.$ac_ext < $ac_nlist) && test -s "$ac_nlist"; then - - # Try sorting and uniquifying the output. - if sort "$ac_nlist" | uniq > "$ac_nlist"T; then - mv -f "$ac_nlist"T "$ac_nlist" - ac_wcout=`wc "$ac_nlist" 2>/dev/null` -changequote(,)dnl - ac_count=`echo "X$ac_wcout" | sed -e 's,^X,,' -e 's/^[ ]*\([0-9][0-9]*\).*$/\1/'` -changequote([,])dnl - (test "$ac_count" -ge 0) 2>/dev/null || ac_count=-1 - else - rm -f "$ac_nlist"T - ac_count=-1 - fi - - # Make sure that we snagged all the symbols we need. - if egrep ' nm_test_var$' "$ac_nlist" >/dev/null; then - if egrep ' nm_test_func$' "$ac_nlist" >/dev/null; then - cat < conftest.c -#ifdef __cplusplus -extern "C" { -#endif - -EOF - # Now generate the symbol file. - sed 's/^.* \(.*\)$/extern char \1;/' < "$ac_nlist" >> conftest.c - - cat <> conftest.c -#if defined (__STDC__) && __STDC__ -# define __ptr_t void * -#else -# define __ptr_t char * -#endif - -/* The number of symbols in dld_preloaded_symbols, -1 if unsorted. */ -int dld_preloaded_symbol_count = $ac_count; - -/* The mapping between symbol names and symbols. */ -struct { - char *name; - __ptr_t address; -} -changequote(,)dnl -dld_preloaded_symbols[] = -changequote([,])dnl -{ -EOF - sed 's/^\(.*\) \(.*\)$/ {"\1", (__ptr_t) \&\2},/' < "$ac_nlist" >> conftest.c - cat <<\EOF >> conftest.c - {0, (__ptr_t) 0} -}; - -#ifdef __cplusplus -} -#endif -EOF - # Now try linking the two files. - mv conftest.$ac_objext conftestm.$ac_objext - ac_save_LIBS="$LIBS" - ac_save_CFLAGS="$CFLAGS" - LIBS="conftestm.$ac_objext" - CFLAGS="$CFLAGS$no_builtin_flag" - if AC_TRY_EVAL(ac_link) && test -s conftest; then - ac_pipe_works=yes - else - echo "configure: failed program was:" >&AC_FD_CC - cat conftest.c >&AC_FD_CC - fi - LIBS="$ac_save_LIBS" - CFLAGS="$ac_save_CFLAGS" - else - echo "cannot find nm_test_func in $ac_nlist" >&AC_FD_CC - fi - else - echo "cannot find nm_test_var in $ac_nlist" >&AC_FD_CC - fi - else - echo "cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC - fi -else - echo "$progname: failed program was:" >&AC_FD_CC - cat conftest.c >&AC_FD_CC -fi -rm -rf conftest* - -# Do not use the global_symbol_pipe unless it works. -test "$ac_pipe_works" = yes || ac_cv_sys_global_symbol_pipe= -]) - -ac_result=yes -if test -z "$ac_cv_sys_global_symbol_pipe"; then - ac_result=no -fi -AC_MSG_RESULT($ac_result) -]) - -# AM_SYS_LIBTOOL_CYGWIN32 - find tools needed on cygwin32 -AC_DEFUN(AM_SYS_LIBTOOL_CYGWIN32, -[AC_CHECK_TOOL(DLLTOOL, dlltool, false) -AC_CHECK_TOOL(AS, as, false) -]) - -# AM_SYS_SYMBOL_UNDERSCORE - does the compiler prefix global symbols -# with an underscore? -AC_DEFUN(AM_SYS_SYMBOL_UNDERSCORE, -[AC_REQUIRE([AM_PROG_NM])dnl -AC_REQUIRE([AM_SYS_NM_PARSE])dnl -AC_MSG_CHECKING([for _ prefix in compiled symbols]) -AC_CACHE_VAL(ac_cv_sys_symbol_underscore, -[ac_cv_sys_symbol_underscore=no -cat > conftest.$ac_ext < $ac_nlist) && test -s "$ac_nlist"; then - # See whether the symbols have a leading underscore. - if egrep '^_nm_test_func' "$ac_nlist" >/dev/null; then - ac_cv_sys_symbol_underscore=yes - else - if egrep '^nm_test_func ' "$ac_nlist" >/dev/null; then - : - else - echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC - fi - fi - else - echo "configure: cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC - fi -else - echo "configure: failed program was:" >&AC_FD_CC - cat conftest.c >&AC_FD_CC -fi -rm -rf conftest* -]) -AC_MSG_RESULT($ac_cv_sys_symbol_underscore) -if test x$ac_cv_sys_symbol_underscore = xyes; then - AC_DEFINE(WITH_SYMBOL_UNDERSCORE,1, - [define if compiled symbols have a leading underscore]) -fi -]) - - -dnl =========================================================================== -dnl GKT+ version test -dnl =========================================================================== - -dnl --------------------------------------------------------------------------- -dnl AM_PATH_GTK([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) +dnl AM_PATH_GTK_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]]) dnl Test for GTK, and define GTK_CFLAGS and GTK_LIBS -dnl --------------------------------------------------------------------------- dnl -AC_DEFUN(AM_PATH_GTK, -[dnl -dnl Get the cflags and libraries from the gtk-config script +AC_DEFUN(AM_PATH_GTK_2_0, +[dnl +dnl Get the cflags and libraries from the gtk-config-2.0 script dnl -AC_ARG_WITH(gtk-prefix,[**--with-gtk-prefix=PFX Prefix where GTK is installed], +AC_ARG_WITH(gtk-prefix,[ --with-gtk-prefix=PFX Prefix where GTK is installed (optional)], gtk_config_prefix="$withval", gtk_config_prefix="") -AC_ARG_WITH(gtk-exec-prefix,[**--with-gtk-exec-prefix=PFX Exec prefix where GTK is installed], +AC_ARG_WITH(gtk-exec-prefix,[ --with-gtk-exec-prefix=PFX Exec prefix where GTK is installed (optional)], gtk_config_exec_prefix="$withval", gtk_config_exec_prefix="") +AC_ARG_ENABLE(gtktest, [ --disable-gtktest Do not try to compile and run a test GTK program], + , enable_gtktest=yes) + + for module in . $4 + do + case "$module" in + gthread) + gtk_config_args="$gtk_config_args gthread" + ;; + esac + done if test x$gtk_config_exec_prefix != x ; then gtk_config_args="$gtk_config_args --exec-prefix=$gtk_config_exec_prefix" - if test x${GTK_CONFIG+set} != xset ; then - GTK_CONFIG=$gtk_config_exec_prefix/bin/gtk-config + if test x${GTK_CONFIG_2_0+set} != xset ; then + GTK_CONFIG_2_0=$gtk_config_exec_prefix/bin/gtk-config-2.0 fi fi if test x$gtk_config_prefix != x ; then gtk_config_args="$gtk_config_args --prefix=$gtk_config_prefix" - if test x${GTK_CONFIG+set} != xset ; then - GTK_CONFIG=$gtk_config_prefix/bin/gtk-config + if test x${GTK_CONFIG_2_0+set} != xset ; then + GTK_CONFIG_2_0=$gtk_config_prefix/bin/gtk-config-2.0 fi fi - AC_PATH_PROG(GTK_CONFIG, gtk-config, no) - min_gtk_version=ifelse([$1], ,0.99.7,$1) + AC_PATH_PROG(GTK_CONFIG_2_0, gtk-config-2.0, no) + min_gtk_version=ifelse([$1], ,1.3.1,$1) AC_MSG_CHECKING(for GTK - version >= $min_gtk_version) no_gtk="" - if test "$GTK_CONFIG" != "no" ; then - GTK_CFLAGS=`$GTK_CONFIG --cflags` - GTK_LIBS=`$GTK_CONFIG --libs` - ac_save_CFLAGS="$CFLAGS" - ac_save_LIBS="$LIBS" - CFLAGS="$CFLAGS $GTK_CFLAGS" - LIBS="$LIBS $GTK_LIBS" + if test "$GTK_CONFIG_2_0" = "no" ; then + no_gtk=yes + else + GTK_CFLAGS=`$GTK_CONFIG_2_0 $gtk_config_args --cflags` + GTK_LIBS=`$GTK_CONFIG_2_0 $gtk_config_args --libs` + gtk_config_major_version=`$GTK_CONFIG_2_0 $gtk_config_args --version | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` + gtk_config_minor_version=`$GTK_CONFIG_2_0 $gtk_config_args --version | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` + gtk_config_micro_version=`$GTK_CONFIG_2_0 $gtk_config_args --version | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` + if test "x$enable_gtktest" = "xyes" ; then + ac_save_CFLAGS="$CFLAGS" + ac_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $GTK_CFLAGS" + LIBS="$GTK_LIBS $LIBS" dnl dnl Now check if the installed GTK is sufficiently new. (Also sanity -dnl checks the results of gtk-config to some extent) +dnl checks the results of gtk-config-2.0 to some extent dnl - AC_TRY_RUN([ + rm -f conf.gtktest + AC_TRY_RUN([ #include #include +#include -int +int main () { int major, minor, micro; + char *tmp_version; + + system ("touch conf.gtktest"); - if (sscanf("$min_gtk_version", "%d.%d.%d", &major, &minor, µ) != 3) { + /* HP/UX 9 (%@#!) writes to sscanf strings */ + tmp_version = g_strdup("$min_gtk_version"); + if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { printf("%s, bad version string\n", "$min_gtk_version"); exit(1); } - if (gtk_minor_version == 1) return FALSE; - - return !((gtk_major_version > major) || - ((gtk_major_version == major) && (gtk_minor_version > minor)) || - ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro))); + if ((gtk_major_version != $gtk_config_major_version) || + (gtk_minor_version != $gtk_config_minor_version) || + (gtk_micro_version != $gtk_config_micro_version)) + { + printf("\n*** 'gtk-config-2.0 --version' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n", + $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version, + gtk_major_version, gtk_minor_version, gtk_micro_version); + printf ("*** was found! If gtk-config-2.0 was correct, then it is best\n"); + printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n"); + printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); + printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); + printf("*** required on your system.\n"); + printf("*** If gtk-config-2.0 was wrong, set the environment variable GTK_CONFIG_2_0\n"); + printf("*** to point to the correct copy of gtk-config-2.0, and remove the file config.cache\n"); + printf("*** before re-running configure\n"); + } +#if defined (GTK_MAJOR_VERSION) && defined (GTK_MINOR_VERSION) && defined (GTK_MICRO_VERSION) + else if ((gtk_major_version != GTK_MAJOR_VERSION) || + (gtk_minor_version != GTK_MINOR_VERSION) || + (gtk_micro_version != GTK_MICRO_VERSION)) + { + printf("*** GTK+ header files (version %d.%d.%d) do not match\n", + GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION); + printf("*** library (version %d.%d.%d)\n", + gtk_major_version, gtk_minor_version, gtk_micro_version); + } +#endif /* defined (GTK_MAJOR_VERSION) ... */ + else + { + if ((gtk_major_version > major) || + ((gtk_major_version == major) && (gtk_minor_version > minor)) || + ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro))) + { + return 0; + } + else + { + printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n", + gtk_major_version, gtk_minor_version, gtk_micro_version); + printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n", + major, minor, micro); + printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n"); + printf("***\n"); + printf("*** If you have already installed a sufficiently new version, this error\n"); + printf("*** probably means that the wrong copy of the gtk-config-2.0 shell script is\n"); + printf("*** being found. The easiest way to fix this is to remove the old version\n"); + printf("*** of GTK+, but you can also set the GTK_CONFIG_2_0 environment to point to the\n"); + printf("*** correct copy of gtk-config-2.0. (In this case, you will have to\n"); + printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); + printf("*** so that the correct libraries are found at run-time))\n"); + } + } + return 1; } ],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) - CFLAGS="$ac_save_CFLAGS" - LIBS="$ac_save_LIBS" - else - no_gtk=yes + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi fi if test "x$no_gtk" = x ; then - AC_MSG_RESULT(yes) - ifelse([$2], , :, [$2]) + AC_MSG_RESULT(yes (version $gtk_config_major_version.$gtk_config_minor_version.$gtk_config_micro_version)) + ifelse([$2], , :, [$2]) else AC_MSG_RESULT(no) + if test "$GTK_CONFIG_2_0" = "no" ; then + echo "*** The gtk-config-2.0 script installed by GTK could not be found" + echo "*** If GTK was installed in PREFIX, make sure PREFIX/bin is in" + echo "*** your path, or set the GTK_CONFIG_2_0 environment variable to the" + echo "*** full path to gtk-config-2.0." + else + if test -f conf.gtktest ; then + : + else + echo "*** Could not run GTK test program, checking why..." + CFLAGS="$CFLAGS $GTK_CFLAGS" + LIBS="$LIBS $GTK_LIBS" + AC_TRY_LINK([ +#include +#include +], [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ], + [ echo "*** The test program compiled, but did not run. This usually means" + echo "*** that the run-time linker is not finding GTK or finding the wrong" + echo "*** version of GTK. If it is not finding GTK, you'll need to set your" + echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" + echo "*** to the installed location Also, make sure you have run ldconfig if that" + echo "*** is required on your system" + echo "***" + echo "*** If you have an old version installed, it is best to remove it, although" + echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" + echo "***" + echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that" + echo "*** came with the system with the command" + echo "***" + echo "*** rpm --erase --nodeps gtk gtk-devel" ], + [ echo "*** The test program failed to compile or link. See the file config.log for the" + echo "*** exact error that occured. This usually means GTK was incorrectly installed" + echo "*** or that you have moved GTK since it was installed. In the latter case, you" + echo "*** may want to edit the gtk-config-2.0 script: $GTK_CONFIG_2_0" ]) + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + fi GTK_CFLAGS="" GTK_LIBS="" ifelse([$3], , :, [$3]) fi AC_SUBST(GTK_CFLAGS) AC_SUBST(GTK_LIBS) -]) - -dnl =========================================================================== -dnl macros to find the a file in the list of include/lib paths -dnl =========================================================================== - -dnl --------------------------------------------------------------------------- -dnl call AC_PATH_FIND_INCLUDES(search path, header name), sets ac_find_includes -dnl to the full name of the file that was found or leaves it empty if not found -dnl --------------------------------------------------------------------------- -AC_DEFUN(AC_PATH_FIND_INCLUDES, -[ -ac_find_includes= -for ac_dir in $1; - do - if test -f "$ac_dir/$2"; then - ac_find_includes=$ac_dir - break - fi - done -]) - -dnl --------------------------------------------------------------------------- -dnl call AC_PATH_FIND_LIBRARIES(search path, header name), sets ac_find_includes -dnl to the full name of the file that was found or leaves it empty if not found -dnl --------------------------------------------------------------------------- -AC_DEFUN(AC_PATH_FIND_LIBRARIES, -[ -ac_find_libraries= -for ac_dir in $1; - do - for ac_extension in a so sl; do - if test -f "$ac_dir/lib$2.$ac_extension"; then - ac_find_libraries=$ac_dir - break 2 - fi - done - done -]) - -dnl --------------------------------------------------------------------------- -dnl Path to include, already defined -dnl --------------------------------------------------------------------------- -AC_DEFUN(AC_INCLUDE_PATH_EXIST, -[ - ac_path_to_include=$1 - echo "$2" | grep "\-I$1" > /dev/null - result=$? - if test $result = 0; then - ac_path_to_include="" - else - ac_path_to_include="-I$1" - fi -]) - -dnl --------------------------------------------------------------------------- -dnl Path to link, already defined -dnl --------------------------------------------------------------------------- -AC_DEFUN(AC_LINK_PATH_EXIST, -[ - echo "$2" | grep "\-L$1" > /dev/null - result=$? - if test $result = 0; then - ac_path_to_link="" - else - ac_path_to_link="-L$1" - fi -]) - -dnl =========================================================================== -dnl C++ features test -dnl =========================================================================== - -dnl --------------------------------------------------------------------------- -dnl WX_CPP_NEW_HEADERS checks whether the compiler has "new" header -dnl or only the old one - it may be generally assumed that if -dnl exists, the other "new" headers (without .h) exist too. -dnl -dnl call WX_CPP_NEW_HEADERS(actiof-if-true, action-if-false-or-cross-compiling) -dnl --------------------------------------------------------------------------- - -AC_DEFUN(WX_CPP_NEW_HEADERS, -[ - if test "$cross_compiling" = "yes"; then - ifelse([$2], , :, [$2]) - else - AC_LANG_SAVE - AC_LANG_CPLUSPLUS - - AC_CHECK_HEADERS(iostream) - - if test "x$HAVE_IOSTREAM" = x ; then - ifelse([$2], , :, [$2]) - else - ifelse([$1], , :, [$1]) - fi - - AC_LANG_RESTORE - fi -]) - -dnl --------------------------------------------------------------------------- -dnl WX_CPP_BOOL checks whether the C++ compiler has a built in bool type -dnl -dnl call WX_CPP_BOOL - will define HAVE_BOOL if the compiler supports bool -dnl --------------------------------------------------------------------------- - -AC_DEFUN(WX_CPP_BOOL, -[ - AC_CACHE_CHECK([if C++ compiler supports bool], wx_cv_cpp_bool, - [ - AC_LANG_SAVE - AC_LANG_CPLUSPLUS - - AC_TRY_RUN([ - int main() - { - bool b = true; - - return 0; - } - ], - [ - AC_DEFINE(HAVE_BOOL) - wx_cv_cpp_bool=yes - ], - wx_cv_cpp_bool=no, - wx_cv_cpp_bool=no - ) - - AC_LANG_RESTORE - ]) - - if test "$wx_cv_cpp_bool" = "yes"; then - AC_DEFINE(HAVE_BOOL) - fi -]) - -dnl --------------------------------------------------------------------------- -dnl WX_CPP_SIZE_T_IS_NOT_INT checks whether size_t and int are different types, -dnl i.e. whether we may overload operator[] on its argument type -dnl --------------------------------------------------------------------------- - -AC_DEFUN(WX_CPP_SIZE_T_IS_NOT_INT, -[ - AC_CACHE_CHECK([if size_t and int are different types], wx_cv_cpp_sizet_not_int, - [ - AC_LANG_SAVE - AC_LANG_CPLUSPLUS - - AC_TRY_RUN([ - #include - - class S - { - public: - S(char *s) { m_s = s; } - - char operator[](size_t n) const { return m_s[n]; } - char operator[](int n) const { return m_s[n]; } - - private: - char *m_s; - }; - - int main() - { - S s("dummy"); - size_t n1 = 2; - int n2 = 3; - - return s[n1] == s[n2]; - } - ], - AC_DEFINE(wxUSE_SIZE_T_STRING_OPERATOR) wx_cv_cpp_sizet_not_int=yes, - wx_cv_cpp_sizet_not_int=no, - wx_cv_cpp_sizet_not_int=no - ) - - AC_LANG_RESTORE - ]) -]) - -dnl --------------------------------------------------------------------------- -dnl a slightly better AC_C_BIGENDIAN macro which allows cross-compiling -dnl --------------------------------------------------------------------------- - -AC_DEFUN(WX_C_BIGENDIAN, -[AC_CACHE_CHECK(whether byte ordering is bigendian, ac_cv_c_bigendian, -[ac_cv_c_bigendian=unknown -# See if sys/param.h defines the BYTE_ORDER macro. -AC_TRY_COMPILE([#include -#include ], [ -#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN - bogus endian macros -#endif], [# It does; now see whether it defined to BIG_ENDIAN or not. -AC_TRY_COMPILE([#include -#include ], [ -#if BYTE_ORDER != BIG_ENDIAN - not big endian -#endif], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)]) -if test $ac_cv_c_bigendian = unknown; then -AC_TRY_RUN([main () { - /* Are we little or big endian? From Harbison&Steele. */ - union - { - long l; - char c[sizeof (long)]; - } u; - u.l = 1; - exit (u.c[sizeof (long) - 1] == 1); -}], ac_cv_c_bigendian=no, ac_cv_c_bigendian=yes, ac_cv_c_bigendian=unknown) -fi]) -if test $ac_cv_c_bigendian = unknown; then - AC_MSG_WARN([Assuming little-endian target machine - this may be overriden by adding the line "ac_cv_c_bigendian=${ac_cv_c_bigendian='yes'}" to config.cache file]) -fi -if test $ac_cv_c_bigendian = yes; then - AC_DEFINE(WORDS_BIGENDIAN) -fi + rm -f conf.gtktest ])