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| author |  Nikias Bassen | 2021-09-13 18:38:56 +0200 |
|---|---|---|
| committer | Nikias Bassen | 2021-09-13 18:38:56 +0200 |
| commit | 042c1a264a7e853fcdfc9c6a1b0090d56fc3ff81 (patch) | |
| tree | 771993627b6b7ba8f1d94013341528b4e56cb09a /configure.ac | |
| parent | 90355270862eb89269feb967da16e61828901284 (diff) | |
| download | libimobiledevice-glue-042c1a264a7e853fcdfc9c6a1b0090d56fc3ff81.tar.gz libimobiledevice-glue-042c1a264a7e853fcdfc9c6a1b0090d56fc3ff81.tar.bz2 | |
Check availability of constructor attribute and use it on Windows in favor of DllMain
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 2b5c430..bfc443e 100644 --- a/configure.ac +++ b/configure.ac @@ -72,6 +72,24 @@ case ${host_os} in esac AM_CONDITIONAL(WIN32, test x$win32 = xtrue) +# Check if the C compiler supports __attribute__((constructor)) +AC_CACHE_CHECK([wether the C compiler supports constructor/destructor attributes], + ac_cv_attribute_constructor, [ + ac_cv_attribute_constructor=no + AC_COMPILE_IFELSE([AC_LANG_PROGRAM( + [[ + static void __attribute__((constructor)) test_constructor(void) { + } + static void __attribute__((destructor)) test_destructor(void) { + } + ]], [])], + [ac_cv_attribute_constructor=yes] + )] +) +if test "$ac_cv_attribute_constructor" = "yes"; then + AC_DEFINE(HAVE_ATTRIBUTE_CONSTRUCTOR, 1, [Define if the C compiler supports constructor/destructor attributes]) +fi + AC_CHECK_MEMBER(struct dirent.d_type, AC_DEFINE(HAVE_DIRENT_D_TYPE, 1, [define if struct dirent has member d_type]),, [#include <dirent.h>]) AS_COMPILER_FLAGS(GLOBAL_CFLAGS, "-Wall -Wextra -Wmissing-declarations -Wredundant-decls -Wshadow -Wpointer-arith -Wwrite-strings -Wswitch-default -Wno-unused-parameter -fsigned-char -fvisibility=hidden") |