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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index fe8b2fa..9ec6d62 100644 --- a/configure.ac +++ b/configure.ac @@ -229,6 +229,36 @@ if test x"$PYTHON" = xyes; then fi AM_PATH_PYTHON(2.5,,PYTHON="/usr/bin/env python2.5") +# Check for the visibility flags +ATK_HIDDEN_VISIBILITY_CFLAGS="" +case "$host" in + *-*-mingw*) + dnl on mingw32 we do -fvisibility=hidden and __declspec(dllexport) + AC_DEFINE([_ATK_EXTERN], [__attribute__((visibility("default"))) __declspec(dllexport) extern], + [defines how to decorate public symbols while building]) + CFLAGS="${CFLAGS} -fvisibility=hidden" + ;; + *) + dnl on other compilers, check if we can do -fvisibility=hidden + SAVED_CFLAGS="${CFLAGS}" + CFLAGS="-fvisibility=hidden" + AC_MSG_CHECKING([for -fvisibility=hidden compiler flag]) + AC_TRY_COMPILE([], [int main (void) { return 0; }], + AC_MSG_RESULT(yes) + enable_fvisibility_hidden=yes, + AC_MSG_RESULT(no) + enable_fvisibility_hidden=no) + CFLAGS="${SAVED_CFLAGS}" + + AS_IF([test "${enable_fvisibility_hidden}" = "yes"], [ + AC_DEFINE([_ATK_EXTERN], [__attribute__((visibility("default"))) extern], + [defines how to decorate public symbols while building]) + ATK_HIDDEN_VISIBILITY_CFLAGS="-fvisibility=hidden" + ]) + ;; +esac +AC_SUBST(ATK_HIDDEN_VISIBILITY_CFLAGS) + GNOME_COMPILE_WARNINGS([maximum]) AC_CONFIG_FILES([ |