diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 7e252255e..265ae5b48 100644 --- a/configure.in +++ b/configure.in @@ -142,6 +142,33 @@ fi AM_GCONF_SOURCE_2 +dnl This is from Mozilla's configure.in. They set almost all the config stuff +dnl they need in mozilla-config.h Except for this compiler flag, which can't +dnl go in mozilla-config.h So we check the flag too and now we can include +dnl mozilla-config.h without breaking galeon. +dnl This is really gcc-only +dnl Do this test using CXX only since some versions of gcc +dnl 2.95-2.97 have a signed wchar_t in c++ only and some versions +dnl only have short-wchar support for c++. +AC_LANG_PUSH(C++) +_SAVE_CXXFLAGS=$CXXFLAGS +CXXFLAGS="$CXXFLAGS -fshort-wchar" + +AC_CACHE_CHECK(for compiler -fshort-wchar option, + ac_cv_have_usable_wchar_option, + [AC_TRY_RUN([#include <stddef.h> + int main () { + return (sizeof(wchar_t) != 2) || + (wchar_t)-1 < (wchar_t) 0 ; } ], + ac_cv_have_usable_wchar_option="yes", + ac_cv_have_usable_wchar_option="no", + ac_cv_have_usable_wchar_option="maybe")]) + +if test "$ac_cv_have_usable_wchar_option" != "yes"; then + CXXFLAGS=$_SAVE_CXXFLAGS +fi +AC_LANG_POP(C++) + dnl ******************************* dnl Internationalization dnl ******************************* |