diff options
Diffstat (limited to 'common/gcc_visibility.m4')
| -rw-r--r-- | common/gcc_visibility.m4 | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/common/gcc_visibility.m4 b/common/gcc_visibility.m4 deleted file mode 100644 index 6b5a89d..0000000 --- a/common/gcc_visibility.m4 +++ /dev/null @@ -1,36 +0,0 @@ -dnl @synopsis CHECK_VISIBILITY([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) -dnl -dnl @summary check for the gcc -fvisibility flag -dnl - -AC_DEFUN([CHECK_VISIBILITY_HIDDEN], [ - save_CFLAGS="$CFLAGS" - VISIBILITY_HIDDEN_CFLAGS="" - OPTION=-fvisibility=hidden - - AC_MSG_CHECKING(for gcc $OPTION support) - - CFLAGS="$CFLAGS $OPTION" - - AC_TRY_COMPILE([ - int default_vis __attribute__ ((visibility("default"))); - int hidden_vis __attribute__ ((visibility("hidden"))); - ], - [], - ac_visibility_supported=yes, - ac_visibility_supported=no) - AC_MSG_RESULT($ac_visibility_supported) - - if test x"$ac_visibility_supported" = xyes; then - ifelse([$1],,AC_DEFINE(HAVE_GCC_VISIBILITY,1,[Define if you have gcc -fvisibility=hidden support ]),[$1]) - VISIBILITY_HIDDEN_CFLAGS="$OPTION -DHAVE_VISIBILITY_HIDDEN" - AC_DEFINE(HAVE_VISIBILITY_HIDDEN,[],[Support for visibility hidden]) - else - $2 - : - fi - - AC_SUBST(VISIBILITY_HIDDEN_CFLAGS) - - CFLAGS="$save_CFLAGS" -]) |