diff --git a/configure.ac b/configure.ac index 513e0522d4..891bc5aa42 100644 --- a/configure.ac +++ b/configure.ac @@ -934,6 +934,23 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ [ AC_MSG_RESULT([no])] ) +AC_MSG_CHECKING([for default visibility attribute]) +AC_COMPILE_IFELSE([AC_LANG_SOURCE([ + int foo(void) __attribute__((visibility("default"))); + int main(){} + ])], + [ + AC_DEFINE([HAVE_DEFAULT_VISIBILITY_ATTRIBUTE], [1], [Define if the visibility attribute is supported.]) + AC_MSG_RESULT([yes]) + ], + [ + AC_MSG_RESULT([no]) + if test "$use_reduce_exports" = "yes"; then + AC_MSG_ERROR([Cannot find a working visibility attribute. Use --disable-reduce-exports.]) + fi + ] +) + AC_MSG_CHECKING([for dllexport attribute]) AC_COMPILE_IFELSE([AC_LANG_SOURCE([ __declspec(dllexport) int foo(void);