X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1c405bb51093fc7812fb66e7d47faac5707e02b5..96d5885406245ea36b7cfb2722c0e9f12b7dd1aa:/aclocal.m4?ds=sidebyside diff --git a/aclocal.m4 b/aclocal.m4 index 5897275add..73259c5da7 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1,14 +1,15 @@ -dnl aclocal.m4 generated automatically by aclocal 1.4 +# generated automatically by aclocal 1.7.2 -*- Autoconf -*- -dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 +# Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. -dnl This program is distributed in the hope that it will be useful, -dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without -dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A -dnl PARTICULAR PURPOSE. +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. dnl --------------------------------------------------------------------------- dnl @@ -31,7 +32,7 @@ dnl --------------------------------------------------------------------------- AC_DEFUN([WX_PATH_FIND_INCLUDES], [ ac_find_includes= -for ac_dir in $1; +for ac_dir in $1 /usr/include; do if test -f "$ac_dir/$2"; then ac_find_includes=$ac_dir @@ -47,7 +48,7 @@ dnl --------------------------------------------------------------------------- AC_DEFUN([WX_PATH_FIND_LIBRARIES], [ ac_find_libraries= -for ac_dir in $1; +for ac_dir in $1 /usr/lib; do for ac_extension in a so sl dylib; do if test -f "$ac_dir/lib$2.$ac_extension"; then @@ -63,13 +64,17 @@ dnl Path to include, already defined dnl --------------------------------------------------------------------------- AC_DEFUN([WX_INCLUDE_PATH_EXIST], [ - ac_path_to_include=$1 - echo "$2" | grep "\-I$1" > /dev/null - result=$? - if test $result = 0; then + dnl never add -I/usr/include to the CPPFLAGS + if test "x$1" = "x/usr/include"; then ac_path_to_include="" else - ac_path_to_include=" -I$1" + echo "$2" | grep "\-I$1" > /dev/null + result=$? + if test $result = 0; then + ac_path_to_include="" + else + ac_path_to_include=" -I$1" + fi fi ]) @@ -156,6 +161,53 @@ AC_DEFUN([WX_CPP_BOOL], fi ]) +dnl --------------------------------------------------------------------------- +dnl WX_CPP_EXPLICIT checks whether the C++ compiler support the explicit +dnl keyword and defines HAVE_EXPLICIT if this is the case +dnl --------------------------------------------------------------------------- + +AC_DEFUN([WX_CPP_EXPLICIT], +[ + AC_CACHE_CHECK([if C++ compiler supports the explicit keyword], + wx_cv_explicit, + [ + AC_LANG_SAVE + AC_LANG_CPLUSPLUS + + dnl do the test in 2 steps: first check that the compiler knows about the + dnl explicit keyword at all and then verify that it really honours it + AC_TRY_COMPILE( + [ + class Foo { public: explicit Foo(int) {} }; + ], + [ + return 0; + ], + [ + AC_TRY_COMPILE( + [ + class Foo { public: explicit Foo(int) {} }; + static void TakeFoo(const Foo& foo) { } + ], + [ + TakeFoo(17); + return 0; + ], + wx_cv_explicit=no, + wx_cv_explicit=yes + ) + ], + wx_cv_explicit=no + ) + + AC_LANG_RESTORE + ]) + + if test "$wx_cv_explicit" = "yes"; then + AC_DEFINE(HAVE_EXPLICIT) + fi +]) + dnl --------------------------------------------------------------------------- dnl a slightly better AC_C_BIGENDIAN macro which allows cross-compiling dnl --------------------------------------------------------------------------- @@ -301,10 +353,15 @@ AC_DEFUN([WX_ARG_WITH], ]) dnl like WX_ARG_WITH but uses AC_ARG_ENABLE instead of AC_ARG_WITH -dnl usage: WX_ARG_ENABLE(option, helpmessage, variable-name) +dnl usage: WX_ARG_ENABLE(option, helpmessage, variable-name, enablestring) +dnl +dnl enablestring is a hack and allows to show "checking for --disable-foo" +dnl message when running configure instead of the default "checking for +dnl --enable-foo" one whih is useful for the options enabled by default AC_DEFUN([WX_ARG_ENABLE], [ - AC_MSG_CHECKING([for --enable-$1]) + enablestring=$4 + AC_MSG_CHECKING([for --${enablestring:-enable}-$1]) no_cache=0 AC_ARG_ENABLE($1, [$2], [ @@ -338,12 +395,64 @@ AC_DEFUN([WX_ARG_ENABLE], ]) +dnl =========================================================================== +dnl Linker features test +dnl =========================================================================== + +dnl --------------------------------------------------------------------------- +dnl WX_VERSIONED_SYMBOLS checks whether the linker can create versioned +dnl symbols. If it can, sets LDFLAGS_VERSIONING to $CXX flags needed to use +dnl version script file named versionfile +dnl +dnl call WX_VERSIONED_SYMBOLS(versionfile) +dnl --------------------------------------------------------------------------- +AC_DEFUN([WX_VERSIONED_SYMBOLS], +[ + found_versioning=no + + dnl FIXME - doesn't work, Solaris linker doesn't accept wildcards + dnl in the script. + dnl dnl Check for known non-gcc cases: + dnl case "${host}" in + dnl *-*-solaris2* ) + dnl if test "x$GCC" != "xyes" ; then + dnl LDFLAGS_VERSIONING="-M $1" + dnl found_versioning=yes + dnl fi + dnl ;; + dnl esac + + dnl Generic check for GCC or GCC-like behaviour (Intel C++, GCC): + if test $found_versioning = no ; then + AC_CACHE_CHECK([if the linker accepts --version-script], wx_cv_version_script, + [ + echo "VER_1 { *; };" >conftest.sym + echo "int main() { return 0; }" >conftest.cpp + + if AC_TRY_COMMAND([ + $CXX -o conftest.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp + -Wl,--version-script,conftest.sym >/dev/null 2>conftest.stderr]) ; then + if test -s conftest.stderr ; then + wx_cv_version_script=no + else + wx_cv_version_script=yes + fi + else + wx_cv_version_script=no + fi + rm -f conftest.output conftest.stderr conftest.sym conftest.cpp + ]) + if test $wx_cv_version_script = yes ; then + LDFLAGS_VERSIONING="-Wl,--version-script,$1" + fi + fi +]) + dnl =========================================================================== dnl "3rd party" macros included here because they are not widely available dnl =========================================================================== - dnl --------------------------------------------------------------------------- dnl test for availability of iconv() dnl --------------------------------------------------------------------------- @@ -422,61 +531,152 @@ size_t iconv(); AC_SUBST(LIBICONV) ]) - dnl --------------------------------------------------------------------------- -dnl test for GTK+ 2.0 +dnl AC_SYS_LARGEFILE (partly based on the code from autoconf 2.5x) dnl --------------------------------------------------------------------------- +dnl WX_SYS_LARGEFILE_TEST +dnl +dnl NB: original autoconf test was checking if compiler supported 6 bit off_t +dnl arithmetic properly but this failed miserably with gcc under Linux +dnl whereas the system still supports 64 bit files, so now simply check +dnl that off_t is big enough +define(WX_SYS_LARGEFILE_TEST, +[typedef struct { + unsigned int field: sizeof(off_t) == 8; +} wxlf; +]) + + +dnl WX_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE, CACHE-VAR) +define(WX_SYS_LARGEFILE_MACRO_VALUE, +[ + AC_CACHE_CHECK([for $1 value needed for large files], [$3], + [ + AC_TRY_COMPILE([#define $1 $2 + #include ], + WX_SYS_LARGEFILE_TEST, + [$3=$2], + [$3=no]) + ] + ) + + if test "$$3" != no; then + wx_largefile=yes + AC_DEFINE_UNQUOTED([$1], [$$3]) + fi +]) + + +dnl AC_SYS_LARGEFILE +dnl ---------------- +dnl By default, many hosts won't let programs access large files; +dnl one must use special compiler options to get large-file access to work. +dnl For more details about this brain damage please see: +dnl http://www.sas.com/standards/large.file/x_open.20Mar96.html +AC_DEFUN([AC_SYS_LARGEFILE], +[AC_ARG_ENABLE(largefile, + [ --disable-largefile omit support for large files]) +if test "$enable_largefile" != no; then + dnl _FILE_OFFSET_BITS==64 is needed for Linux, Solaris, ... + dnl _LARGE_FILES -- for AIX + wx_largefile=no + WX_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64, ac_cv_sys_file_offset_bits) + if test "x$wx_largefile" != "xyes"; then + WX_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1, ac_cv_sys_large_files) + fi + + AC_MSG_CHECKING(if large file support is available) + if test "x$wx_largefile" = "xyes"; then + AC_DEFINE(HAVE_LARGEFILE_SUPPORT) + fi + AC_MSG_RESULT($wx_largefile) +fi +]) + + +dnl Available from the GNU Autoconf Macro Archive at: +dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_const_cast.html +dnl +AC_DEFUN([AC_CXX_CONST_CAST], +[AC_CACHE_CHECK(whether the compiler supports const_cast<>, +ac_cv_cxx_const_cast, +[AC_LANG_SAVE + AC_LANG_CPLUSPLUS + AC_TRY_COMPILE(,[int x = 0;const int& y = x;int& z = const_cast(y);return z;], + ac_cv_cxx_const_cast=yes, ac_cv_cxx_const_cast=no) + AC_LANG_RESTORE +]) +if test "$ac_cv_cxx_const_cast" = yes; then + AC_DEFINE(HAVE_CONST_CAST,,[define if the compiler supports const_cast<>]) +fi +]) + +# Configure paths for GTK+ +# Owen Taylor 1997-2001 + dnl AM_PATH_GTK_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]]) -dnl Test for GTK, and define GTK_CFLAGS and GTK_LIBS +dnl Test for GTK+, and define GTK_CFLAGS and GTK_LIBS, if gthread is specified in MODULES, +dnl pass to pkg-config dnl AC_DEFUN(AM_PATH_GTK_2_0, -[dnl -dnl Get the cflags and libraries from the gtk-config-2.0 script +[dnl +dnl Get the cflags and libraries from pkg-config dnl -AC_ARG_WITH(gtk-prefix,[ --with-gtk-prefix=PFX Prefix where GTK is installed (optional)], - gtk_config_prefix="$withval", gtk_config_prefix="") -AC_ARG_WITH(gtk-exec-prefix,[ --with-gtk-exec-prefix=PFX Exec prefix where GTK is installed (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) +AC_ARG_ENABLE(gtktest, [ --disable-gtktest do not try to compile and run a test GTK+ program], + , enable_gtktest=yes) + pkg_config_args=gtk+-2.0 for module in . $4 do case "$module" in - gthread) - gtk_config_args="$gtk_config_args gthread" + gthread) + pkg_config_args="$pkg_config_args gthread-2.0" ;; 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_2_0+set} != xset ; then - GTK_CONFIG_2_0=$gtk_config_exec_prefix/bin/gtk-config-2.0 - fi + no_gtk="" + + AC_PATH_PROG(PKG_CONFIG, pkg-config, no) + + if test x$PKG_CONFIG != xno ; then + if pkg-config --atleast-pkgconfig-version 0.7 ; then + : + else + echo *** pkg-config too old; version 0.7 or better required. + no_gtk=yes + PKG_CONFIG=no + fi + else + no_gtk=yes fi - if test x$gtk_config_prefix != x ; then - gtk_config_args="$gtk_config_args --prefix=$gtk_config_prefix" - if test x${GTK_CONFIG_2_0+set} != xset ; then - GTK_CONFIG_2_0=$gtk_config_prefix/bin/gtk-config-2.0 - fi + + min_gtk_version=ifelse([$1], ,2.0.0,$1) + AC_MSG_CHECKING(for GTK+ - version >= $min_gtk_version) + + if test x$PKG_CONFIG != xno ; then + ## don't try to run the test against uninstalled libtool libs + if $PKG_CONFIG --uninstalled $pkg_config_args; then + echo "Will use uninstalled version of GTK+ found in PKG_CONFIG_PATH" + enable_gtktest=no + fi + + if $PKG_CONFIG --atleast-version $min_gtk_version $pkg_config_args; then + : + else + no_gtk=yes + fi fi - 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_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 $gtk_config_args --version | \ + if test x"$no_gtk" = x ; then + GTK_CFLAGS=`$PKG_CONFIG $pkg_config_args --cflags` + GTK_LIBS=`$PKG_CONFIG $pkg_config_args --libs` + gtk_config_major_version=`$PKG_CONFIG --modversion gtk+-2.0 | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` - gtk_config_minor_version=`$GTK_CONFIG_2_0 $gtk_config_args --version | \ + gtk_config_minor_version=`$PKG_CONFIG --modversion gtk+-2.0 | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` - gtk_config_micro_version=`$GTK_CONFIG_2_0 $gtk_config_args --version | \ + gtk_config_micro_version=`$PKG_CONFIG --modversion gtk+-2.0 | \ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` if test "x$enable_gtktest" = "xyes" ; then ac_save_CFLAGS="$CFLAGS" @@ -484,8 +684,8 @@ AC_ARG_ENABLE(gtktest, [ --disable-gtktest Do not try to compile and run 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-2.0 to some extent +dnl Now check if the installed GTK+ is sufficiently new. (Also sanity +dnl checks the results of pkg-config to some extent) dnl rm -f conf.gtktest AC_TRY_RUN([ @@ -493,7 +693,7 @@ dnl #include #include -int +int main () { int major, minor, micro; @@ -512,29 +712,26 @@ main () (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", + printf("\n*** 'pkg-config --modversion gtk+-2.0' 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 ("*** was found! If pkg-config 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) + printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n"); + printf("*** to point to the correct configuration files\n"); + } else if ((gtk_major_version != GTK_MAJOR_VERSION) || - (gtk_minor_version != GTK_MINOR_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); + 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); + gtk_major_version, gtk_minor_version, gtk_micro_version); } -#endif /* defined (GTK_MAJOR_VERSION) ... */ else { if ((gtk_major_version > major) || @@ -548,14 +745,14 @@ main () 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); + 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("*** probably means that the wrong copy of the pkg-config 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("*** of GTK+, but you can also set the PKG_CONFIG environment to point to the\n"); + printf("*** correct copy of pkg-config. (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"); } @@ -569,19 +766,19 @@ main () fi if test "x$no_gtk" = x ; then AC_MSG_RESULT(yes (version $gtk_config_major_version.$gtk_config_minor_version.$gtk_config_micro_version)) - ifelse([$2], , :, [$2]) + 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." + if test "$PKG_CONFIG" = "no" ; then + echo "*** A new enough version of pkg-config was not found." + echo "*** See http://pkgconfig.sourceforge.net" else if test -f conf.gtktest ; then : else - echo "*** Could not run GTK test program, checking why..." + echo "*** Could not run GTK+ test program, checking why..." + ac_save_CFLAGS="$CFLAGS" + ac_save_LIBS="$LIBS" CFLAGS="$CFLAGS $GTK_CFLAGS" LIBS="$LIBS $GTK_LIBS" AC_TRY_LINK([ @@ -589,23 +786,16 @@ main () #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 "*** 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 "***" 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 "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ], [ 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: $GTK_CONFIG_2_0" ]) + echo "*** exact error that occured. This usually means GTK+ is incorrectly installed."]) CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi @@ -814,3 +1004,763 @@ main () rm -f conf.gtktest ]) + +dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not) +dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page +dnl also defines GSTUFF_PKG_ERRORS on error +AC_DEFUN(PKG_CHECK_MODULES, [ + succeeded=no + + if test -z "$PKG_CONFIG"; then + AC_PATH_PROG(PKG_CONFIG, pkg-config, no) + fi + + if test "$PKG_CONFIG" = "no" ; then + echo "*** The pkg-config script could not be found. Make sure it is" + echo "*** in your path, or set the PKG_CONFIG environment variable" + echo "*** to the full path to pkg-config." + echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config." + else + PKG_CONFIG_MIN_VERSION=0.9.0 + if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then + AC_MSG_CHECKING(for $2) + + if $PKG_CONFIG --exists "$2" ; then + AC_MSG_RESULT(yes) + succeeded=yes + + AC_MSG_CHECKING($1_CFLAGS) + $1_CFLAGS=`$PKG_CONFIG --cflags "$2"` + AC_MSG_RESULT($$1_CFLAGS) + + AC_MSG_CHECKING($1_LIBS) + $1_LIBS=`$PKG_CONFIG --libs "$2"` + AC_MSG_RESULT($$1_LIBS) + else + $1_CFLAGS="" + $1_LIBS="" + ## If we have a custom action on failure, don't print errors, but + ## do set a variable so people can do so. + $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"` + ifelse([$4], ,echo $$1_PKG_ERRORS,) + fi + + AC_SUBST($1_CFLAGS) + AC_SUBST($1_LIBS) + else + echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer." + echo "*** See http://www.freedesktop.org/software/pkgconfig" + fi + fi + + if test $succeeded = yes; then + ifelse([$3], , :, [$3]) + else + 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]) + fi +]) + + + +dnl --------------------------------------------------------------------------- +dnl Support macros for makefiles generated by BAKEFILE. +dnl --------------------------------------------------------------------------- + +dnl Lots of compiler & linker detection code contained here was taken from +dnl wxWindows configure.in script (see http://www.wxwindows.org) + + + +dnl --------------------------------------------------------------------------- +dnl AC_BAKEFILE_GNUMAKE +dnl +dnl Detects GNU make +dnl --------------------------------------------------------------------------- + +AC_DEFUN(AC_BAKEFILE_GNUMAKE, +[ + dnl does make support "-include" (only GNU make does AFAIK)? + AC_CACHE_CHECK([if make is GNU make], bakefile_cv_prog_makeisgnu, + [ + if ( ${SHELL-sh} -c "${MAKE-make} --version" 2> /dev/null | + egrep -s GNU > /dev/null); then + bakefile_cv_prog_makeisgnu="yes" + else + bakefile_cv_prog_makeisgnu="no" + fi + ]) + + if test "x$bakefile_cv_prog_makeisgnu" = "xyes"; then + IF_GNU_MAKE="" + else + IF_GNU_MAKE="#" + fi + AC_SUBST(IF_GNU_MAKE) +]) + +dnl --------------------------------------------------------------------------- +dnl AC_BAKEFILE_PLATFORM +dnl +dnl Detects platform and sets PLATFORM_XXX variables accordingly +dnl --------------------------------------------------------------------------- + +AC_DEFUN(AC_BAKEFILE_PLATFORM, +[ + PLATFORM_UNIX=0 + PLATFORM_WIN32=0 + PLATFORM_MSDOS=0 + PLATFORM_MAC=0 + PLATFORM_MACOSX=0 + PLATFORM_OS2=0 + + case "${host}" in + *-*-cygwin* | *-*-mingw32* ) + PLATFORM_WIN32=1 + ;; + *-pc-msdosdjgpp ) + PLATFORM_MSDOS=1 + ;; + *-pc-os2_emx | *-pc-os2-emx ) + PLATFORM_OS2=1 + ;; + powerpc-*-darwin* ) + PLATFORM_MAC=1 + PLATFORM_MACOSX=1 + ;; + * ) + PLATFORM_UNIX=1 + ;; + esac + + AC_SUBST(PLATFORM_UNIX) + AC_SUBST(PLATFORM_WIN32) + AC_SUBST(PLATFORM_MSDOS) + AC_SUBST(PLATFORM_MAC) + AC_SUBST(PLATFORM_MACOSX) + AC_SUBST(PLATFORM_OS2) +]) + + + +dnl --------------------------------------------------------------------------- +dnl AC_BAKEFILE_SUFFIXES +dnl +dnl Detects shared various suffixes for shared libraries, libraries, programs, +dnl plugins etc. +dnl --------------------------------------------------------------------------- + +AC_DEFUN(AC_BAKEFILE_SUFFIXES, +[ + SO_SUFFIX="so" + SO_SUFFIX_MODULE="so" + EXEEXT="" + LIBPREFIX=lib + DLLPREFIX=lib + DLLPREFIX_MODULE= + + case "${host}" in + *-hp-hpux* ) + SO_SUFFIX="sl" + SO_SUFFIX_MODULE="sl" + ;; + *-*-aix* ) + dnl quoting from + dnl http://www-1.ibm.com/servers/esdd/articles/gnu.html: + dnl Both archive libraries and shared libraries on AIX have an + dnl .a extension. This will explain why you can't link with an + dnl .so and why it works with the name changed to .a. + SO_SUFFIX="a" + SO_SUFFIX_MODULE="a" + ;; + *-*-cygwin* | *-*-mingw32* ) + SO_SUFFIX="dll" + SO_SUFFIX_MODULE="dll" + EXEEXT=".exe" + DLLPREFIX="" + ;; + *-pc-msdosdjgpp ) + EXEEXT=".exe" + DLLPREFIX="" + ;; + *-pc-os2_emx | *-pc-os2-emx ) + EXEEXT=".exe" + DLLPREFIX="" + LIBPREFIX="" + ;; + powerpc-*-darwin* ) + SO_SUFFIX="dylib" + SO_SUFFIX_MODULE="bundle" + ;; + esac + + AC_SUBST(SO_SUFFIX) + AC_SUBST(SO_SUFFIX_MODULE) + AC_SUBST(EXEEXT) + AC_SUBST(LIBPREFIX) + AC_SUBST(DLLPREFIX) + AC_SUBST(DLLPREFIX_MODULE) +]) + + +dnl --------------------------------------------------------------------------- +dnl AC_BAKEFILE_SHARED_LD +dnl +dnl Detects command for making shared libraries, substitutes SHARED_LD_CC +dnl and SHARED_LD_CXX. +dnl --------------------------------------------------------------------------- + +AC_DEFUN(AC_BAKEFILE_SHARED_LD, +[ + dnl Defaults for GCC and ELF .so shared libs: + SHARED_LD_CC="\$(CC) -shared -o" + SHARED_LD_CXX="\$(CXX) -shared -o" + + dnl the extra compiler flags needed for compilation of shared library + if test "x$GCC" = "xyes"; then + dnl the switch for gcc is the same under all platforms + PIC_FLAG="-fPIC" + fi + + case "${host}" in + *-hp-hpux* ) + dnl default settings are good for gcc but not for the native HP-UX + if test "x$GCC" = "xyes"; then + dnl -o flag must be after PIC flag + SHARED_LD_CC="${CC} -shared ${PIC_FLAG} -o" + SHARED_LD_CXX="${CXX} -shared ${PIC_FLAG} -o" + else + dnl no idea why it wants it, but it does + LDFLAGS="$LDFLAGS -L/usr/lib" + + SHARED_LD_CC="${CC} -b -o" + SHARED_LD_CXX="${CXX} -b -o" + PIC_FLAG="+Z" + fi + ;; + + *-*-linux* ) + if test "x$GCC" != "xyes"; then + AC_CACHE_CHECK([for Intel compiler], bakefile_cv_prog_icc, + [ + AC_TRY_COMPILE([], + [ + #ifndef __INTEL_COMPILER + #error Not icc + #endif + ], + bakefile_cv_prog_icc=yes, + bakefile_cv_prog_icc=no + ) + ]) + if test "$bakefile_cv_prog_icc" = "yes"; then + PIC_FLAG="-KPIC" + fi + fi + ;; + + *-*-solaris2* ) + if test "x$GCC" != xyes ; then + SHARED_LD_CC="${CC} -G -o" + SHARED_LD_CXX="${CXX} -G -o" + PIC_FLAG="-KPIC" + fi + ;; + + *-*-darwin* ) + dnl For Unix to MacOS X porting instructions, see: + dnl http://fink.sourceforge.net/doc/porting/porting.html + CFLAGS="$CFLAGS -fno-common" + CXXFLAGS="$CXXFLAGS -fno-common" + + dnl Most apps benefit from being fully binded (its faster and static + dnl variables initialized at startup work). + dnl This can be done either with the exe linker flag -Wl,-bind_at_load + dnl or with a double stage link in order to create a single module + dnl "-init _wxWindowsDylibInit" not useful with lazy linking solved + + cat <shared-ld-sh +#!/bin/sh +#----------------------------------------------------------------------------- +#-- Name: distrib/mac/shared-ld-sh +#-- Purpose: Link a mach-o dynamic shared library for Darwin / Mac OS X +#-- Author: Gilles Depeyrot +#-- Copyright: (c) 2002 Gilles Depeyrot +#-- Licence: any use permitted +#----------------------------------------------------------------------------- + +verbose=0 +args="" +objects="" +linking_flag="-dynamiclib" + +while test \${#} -gt 0; do + case \${1} in + + -v) + verbose=1 + ;; + + -o|-compatibility_version|-current_version|-framework|-undefined|-install_name) + # collect these options and values + args="\${args} \${1} \${2}" + shift + ;; + + -l*|-L*|-flat_namespace) + # collect these options + args="\${args} \${1}" + ;; + + -dynamiclib|-bundle) + linking_flag="\${1}" + ;; + + -*) + echo "shared-ld: unhandled option '\${1}'" + exit 1 + ;; + + *.o | *.a | *.dylib) + # collect object files + objects="\${objects} \${1}" + ;; + + *) + echo "shared-ld: unhandled argument '\${1}'" + exit 1 + ;; + + esac + shift +done + +# +# Link one module containing all the others +# +if test \${verbose} = 1; then + echo "c++ -r -keep_private_externs -nostdlib \${objects} -o master.\$\$.o" +fi +c++ -r -keep_private_externs -nostdlib \${objects} -o master.\$\$.o +status=\$? +if test \${status} != 0; then + exit \${status} +fi + +# +# Link the shared library from the single module created +# +if test \${verbose} = 1; then + echo "cc \${linking_flag} master.\$\$.o \${args}" +fi +c++ \${linking_flag} master.\$\$.o \${args} +status=\$? +if test \${status} != 0; then + exit \${status} +fi + +# +# Remove intermediate module +# +rm -f master.\$\$.o + +exit 0 +EOF + chmod +x shared-ld-sh + + SHARED_LD_CC="`pwd`/shared-ld-sh -dynamiclib -undefined suppress -flat_namespace -o" + SHARED_LD_MODULE_CC="`pwd`/shared-ld-sh -bundle -undefined suppress -flat_namespace -o" + SHARED_LD_CXX="$SHARED_LD_CC" + SHARED_LD_MODULE_CXX="$SHARED_LD_MODULE_CC" + PIC_FLAG="-dynamic -fPIC" + dnl FIXME - what about C libs? Gilles says to use c++ because it doesn't + dnl matter for C projects and matters for C++ ones + dnl FIXME - newer devel tools have linker flag to do this, the script + dnl is not necessary - detect! + ;; + + *-*-aix* ) + dnl default settings are ok for gcc + if test "x$GCC" != "xyes"; then + dnl the abs path below used to be hardcoded here so I guess it must + dnl be some sort of standard location under AIX? + AC_CHECK_PROG(AIX_CXX_LD, makeC++SharedLib, + makeC++SharedLib, /usr/lpp/xlC/bin/makeC++SharedLib) + dnl FIXME - what about makeCSharedLib? + SHARED_LD_CC="$AIX_CC_LD -p 0 -o" + SHARED_LD_CXX="$AIX_CXX_LD -p 0 -o" + fi + ;; + + *-*-beos* ) + dnl can't use gcc under BeOS for shared library creation because it + dnl complains about missing 'main' + SHARED_LD_CC="${LD} -shared -o" + SHARED_LD_CXX="${LD} -shared -o" + ;; + + *-*-irix* ) + dnl default settings are ok for gcc + if test "x$GCC" != "xyes"; then + PIC_FLAG="-KPIC" + fi + ;; + + *-*-cygwin* | *-*-mingw32* ) + PIC_FLAG="" + ;; + + *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | \ + *-*-sunos4* | \ + *-*-osf* | \ + *-*-dgux5* | \ + *-pc-os2_emx | *-pc-os2-emx | \ + *-*-sysv5* ) + dnl defaults are ok + ;; + + *) + AC_MSG_ERROR(unknown system type $host.) + esac + + if test "x$SHARED_LD_MODULE_CC" = "x" ; then + SHARED_LD_MODULE_CC="$SHARED_LD_CC" + fi + if test "x$SHARED_LD_MODULE_CXX" = "x" ; then + SHARED_LD_MODULE_CXX="$SHARED_LD_CXX" + fi + + AC_SUBST(SHARED_LD_CC) + AC_SUBST(SHARED_LD_CXX) + AC_SUBST(SHARED_LD_MODULE_CC) + AC_SUBST(SHARED_LD_MODULE_CXX) + AC_SUBST(PIC_FLAG) +]) + + +dnl --------------------------------------------------------------------------- +dnl AC_BAKEFILE_SHARED_VERSIONS +dnl +dnl Detects linker options for attaching versions (sonames) to shared libs. +dnl --------------------------------------------------------------------------- + +AC_DEFUN(AC_BAKEFILE_SHARED_VERSIONS, +[ + USE_SOVERSION=0 + USE_SOVERLINUX=0 + USE_SOVERSOLARIS=0 + USE_SOSYMLINKS=0 + USE_MACVERSION=0 + SONAME_FLAG= + + case "${host}" in + *-*-linux* ) + SONAME_FLAG="-Wl,-soname," + USE_SOVERSION=1 + USE_SOVERLINUX=1 + USE_SOSYMLINKS=1 + ;; + + *-*-solaris2* ) + SONAME_FLAG="-h " + USE_SOVERSION=1 + USE_SOVERSOLARIS=1 + USE_SOSYMLINKS=1 + ;; + + *-*-darwin* ) + USE_MACVERSION=1 + USE_SOVERSION=1 + USE_SOSYMLINKS=1 + ;; + esac + + AC_SUBST(USE_SOVERSION) + AC_SUBST(USE_SOVERLINUX) + AC_SUBST(USE_SOVERSOLARIS) + AC_SUBST(USE_MACVERSION) + AC_SUBST(USE_SOSYMLINKS) + AC_SUBST(SONAME_FLAG) +]) + + +dnl --------------------------------------------------------------------------- +dnl AC_BAKEFILE_DEPS +dnl +dnl Detects available C/C++ dependency tracking options +dnl --------------------------------------------------------------------------- + +AC_DEFUN(AC_BAKEFILE_DEPS, +[ + AC_MSG_CHECKING([for dependency tracking method]) + DEPS_TRACKING=0 + + if test "x$GCC" = "xyes"; then + DEPSMODE=gcc + DEPS_TRACKING=1 + case "${host}" in + powerpc-*-darwin* ) + dnl -cpp-precomp (the default) conflicts with -MMD option + dnl used by bk-deps (see also http://developer.apple.com/documentation/Darwin/Conceptual/PortingUnix/compiling/chapter_4_section_3.html) + DEPSFLAG_GCC="-no-cpp-precomp -MMD" + ;; + * ) + DEPSFLAG_GCC="-MMD" + ;; + esac + AC_MSG_RESULT([gcc]) + else + AC_MSG_RESULT([none]) + fi + + if test $DEPS_TRACKING = 1 ; then + cat <bk-deps +#!/bin/sh + +# This script is part of Bakefile (http://bakefile.sourceforge.net) autoconf +# script. It is used to track C/C++ files dependencies in portable way. +# +# Permission is given to use this file in any way. + +DEPSMODE=$DEPSMODE +DEPSDIR=.deps +DEPSFLAG_GCC="$DEPSFLAG_GCC" + +mkdir -p \$DEPSDIR + +if test \$DEPSMODE = gcc ; then + \${*} \${DEPSFLAG_GCC} + status=\${?} + if test \${status} != 0 ; then + exit \${status} + fi + # move created file to the location we want it in: + while test \${#} -gt 0; do + case "\${1}" in + -o ) + shift + objfile=\${1} + ;; + -* ) + ;; + * ) + srcfile=\${1} + ;; + esac + shift + done + depfile=\`basename \$srcfile | sed -e 's/\..*$/.d/g'\` + depobjname=\`echo \$depfile |sed -e 's/\.d/.o/g'\` + if test -f \$depfile ; then + sed -e "s,\$depobjname:,\$objfile:,g" \$depfile >\${DEPSDIR}/\${objfile}.d + rm -f \$depfile + else + depfile=\`basename \$objfile | sed -e 's/\..*$/.d/g'\` + if test -f \$depfile ; then + sed -e "/^\$objfile/! s,\$depobjname:,\$objfile:,g" \$depfile >\${DEPSDIR}/\${objfile}.d + rm -f \$depfile + fi + fi + exit 0 +else + \${*} + exit \${?} +fi +EOF + chmod +x bk-deps + fi + + AC_SUBST(DEPS_TRACKING) +]) + +dnl --------------------------------------------------------------------------- +dnl AC_BAKEFILE_CHECK_BASIC_STUFF +dnl +dnl Checks for presence of basic programs, such as C and C++ compiler, "ranlib" +dnl or "install" +dnl --------------------------------------------------------------------------- + +AC_DEFUN(AC_BAKEFILE_CHECK_BASIC_STUFF, +[ + AC_PROG_RANLIB + AC_PROG_INSTALL + AC_PROG_LN_S + + AC_PROG_MAKE_SET + AC_SUBST(MAKE_SET) + + if test "$build" != "$host" ; then + AR=$host_alias-ar + STRIP=$host_alias-strip + else + AC_CHECK_PROG(AR, ar, ar, ar) + AC_CHECK_PROG(STRIP, strip, strip, true) + fi + + case ${host} in + *-hp-hpux* ) + INSTALL_DIR="mkdir" + ;; + *) INSTALL_DIR="$INSTALL -d" + ;; + esac + AC_SUBST(INSTALL_DIR) + + LDFLAGS_GUI= + case ${host} in + *-*-cygwin* | *-*-mingw32* ) + LDFLAGS_GUI="-Wl,--subsystem,windows -mwindows" + esac + AC_SUBST(LDFLAGS_GUI) +]) + + +dnl --------------------------------------------------------------------------- +dnl AC_BAKEFILE_RES_COMPILERS +dnl +dnl Checks for presence of resource compilers for win32 or mac +dnl --------------------------------------------------------------------------- + +AC_DEFUN(AC_BAKEFILE_RES_COMPILERS, +[ + RESCOMP= + SETFILE= + + case ${host} in + *-*-cygwin* | *-*-mingw32* ) + dnl Check for win32 resources compiler: + if test "$build" != "$host" ; then + RESCOMP=$host_alias-windres + else + AC_CHECK_PROG(RESCOMP, windres, windres, windres) + fi + ;; + + *-*-darwin* ) + AC_CHECK_PROG(RESCOMP, Rez, Rez, /Developer/Tools/Rez) + AC_CHECK_PROG(SETFILE, SetFile, SetFile, /Developer/Tools/SetFile) + ;; + esac + + AC_SUBST(RESCOMP) + AC_SUBST(SETFILE) +]) + +dnl --------------------------------------------------------------------------- +dnl AC_BAKEFILE_PRECOMP_HEADERS +dnl +dnl Check for precompiled headers support (GCC >= 3.4) +dnl --------------------------------------------------------------------------- + +AC_DEFUN(AC_BAKEFILE_PRECOMP_HEADERS, +[ + + AC_ARG_ENABLE([precomp-headers], + [ --disable-precomp-headers don't use precompiled headers even if compiler can], + [bk_use_pch="$enableval"]) + + GCC_PCH=0 + + if test "x$bk_use_pch" = "x" -o "x$bk_use_pch" = "xyes" ; then + if test "x$GCC" = "xyes"; then + dnl test if we have gcc-3.4: + AC_MSG_CHECKING([if the compiler supports precompiled headers]) + AC_TRY_COMPILE([], + [ + #if !defined(__GNUC__) || !defined(__GNUC_MINOR__) + #error "no pch support" + #endif + #if (__GNUC__ < 3) + #error "no pch support" + #endif + #if (__GNUC__ == 3) && \ + ((!defined(__APPLE_CC__) && (__GNUC_MINOR__ < 4)) || \ + ( defined(__APPLE_CC__) && (__GNUC_MINOR__ < 3))) + #error "no pch support" + #endif + ], + [ + AC_MSG_RESULT([yes]) + dnl FIXME - this is temporary, till .gch dependencies + dnl are fixed in generated Makefiles + CPPFLAGS="-fpch-deps $CPPFLAGS" + GCC_PCH=1 + ], + [ + AC_MSG_RESULT([no]) + ]) + if test $GCC_PCH = 1 ; then + cat <bk-make-pch +#!/bin/sh + +# This script is part of Bakefile (http://bakefile.sourceforge.net) autoconf +# script. It is used to generated precompiled headers. +# +# Permission is given to use this file in any way. + +outfile="\${1}" +header="\${2}" +shift +shift + +compiler= +headerfile= +while test \${#} -gt 0; do + case "\${1}" in + -I* ) + incdir=\`echo \${1} | sed -e 's/-I\(.*\)/\1/g'\` + if test "x\${headerfile}" = "x" -a -f "\${incdir}/\${header}" ; then + headerfile="\${incdir}/\${header}" + fi + ;; + esac + compiler="\${compiler} \${1}" + shift +done + +if test "x\${headerfile}" = "x" ; then + echo "error: can't find header \${header} in include paths" >2 +else + if test -f \${outfile} ; then + rm -f \${outfile} + else + mkdir -p \`dirname \${outfile}\` + fi + depsfile=".deps/\`basename \${outfile}\`.d" + mkdir -p .deps + # can do this because gcc is >= 3.4: + \${compiler} -o \${outfile} -MMD -MF "\${depsfile}" "\${headerfile}" + exit \${?} +fi +EOF + chmod +x bk-make-pch + fi + fi + fi + + AC_SUBST(GCC_PCH) +]) + + + +dnl --------------------------------------------------------------------------- +dnl AC_BAKEFILE +dnl +dnl To be used in configure.in of any project using Bakefile-generated mks +dnl --------------------------------------------------------------------------- + +AC_DEFUN(AC_BAKEFILE, +[ + if test "x$BAKEFILE_CHECK_BASICS" != "xno"; then + AC_BAKEFILE_CHECK_BASIC_STUFF + fi + AC_BAKEFILE_GNUMAKE + AC_BAKEFILE_PLATFORM + AC_BAKEFILE_SUFFIXES + AC_BAKEFILE_SHARED_LD + AC_BAKEFILE_SHARED_VERSIONS + AC_BAKEFILE_DEPS + AC_BAKEFILE_RES_COMPILERS + + builtin(include, autoconf_inc.m4) +]) +