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Diffstat (limited to 'lib/libpthread-stubs/configure.ac')
| -rw-r--r-- | lib/libpthread-stubs/configure.ac | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/libpthread-stubs/configure.ac b/lib/libpthread-stubs/configure.ac new file mode 100644 index 000000000..b7f069862 --- /dev/null +++ b/lib/libpthread-stubs/configure.ac @@ -0,0 +1,40 @@ +AC_INIT([libpthread-stubs], + 0.1, + [xcb@lists.freedesktop.org]) +AC_CONFIG_SRCDIR([pthread-stubs.pc.in]) +AM_INIT_AUTOMAKE([foreign dist-bzip2]) + +AC_CONFIG_HEADERS([config.h]) + +AC_PROG_LIBTOOL +AC_PROG_CC + + +dnl Detection code for compilers supporting the __attribute__((weak, alias)) +dnl feature. Original code present in unieject's repository +dnl Diego Pettenò <flameeyes@gentoo.org> +ac_save_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Werror" +AC_CACHE_CHECK([if compiler supports __attribute__((weak, alias))], + [cc_cv_attribute_alias], + [AC_COMPILE_IFELSE([ + void other_function(void *foo) { } + void some_function(void *foo) __attribute__((weak, alias("other_function"))); + ], + [cc_cv_attribute_alias=yes], + [cc_cv_attribute_alias=no]) + ]) +CFLAGS="$ac_save_CFLAGS" +if test "x$cc_cv_attribute_alias" = "xyes"; then + AC_DEFINE([SUPPORT_ATTRIBUTE_ALIAS], 1, [Define this if the compiler supports the alias attribute]) +fi + + +PKG_CONFIG_LIBS= +AC_CHECK_FUNCS([pthread_self pthread_mutex_init pthread_mutex_destroy pthread_mutex_lock pthread_mutex_unlock pthread_cond_init pthread_cond_destroy pthread_cond_wait pthread_cond_signal pthread_cond_broadcast pthread_equal], + [], [PKG_CONFIG_LIBS='-L${libdir} -lpthread-stubs']) +AC_SUBST([PKG_CONFIG_LIBS]) +AM_CONDITIONAL(BUILD_LIB, test "x$PKG_CONFIG_LIBS" != x) + +AC_CONFIG_FILES([Makefile pthread-stubs.pc]) +AC_OUTPUT |