sys-devel/gcc-14.2.1_p20241221: fix compilation with libintl-0.23

Closes: https://bugs.gentoo.org/946500
Signed-off-by: Fabian Groffen <[email protected]>

sys-devel/gcc/files/gcc-14.2.0-libintl-setlocale.patch

@@ -0,0 +1,25 @@
+libcpp/system.h: remove setlocale override
+
+This is non-upstreamable as is, it seems the configure check for
+HAVE_SETLOCALE is missing, but since it comes from libintl.h not sure
+how trivial this is (needs gettext macros).
+
+In Prefix setlocale is always present, either via the libc, or libintl.
+So we don't need to dummy it.  Doing so results in problems with
+libintl-0.23, which is included right after dummifying.
+
+Bug: https://bugs.gentoo.org/946500
+
+--- a/libcpp/system.h
++++ b/libcpp/system.h
+@@ -271,10 +271,6 @@
+ # include <langinfo.h>
+ #endif
+
+-#ifndef HAVE_SETLOCALE
+-# define setlocale(category, locale) (locale)
+-#endif
+-
+ #ifdef ENABLE_NLS
+ #include <libintl.h>
+ #else

sys-devel/gcc/gcc-14.2.1_p20241221.ebuild

@@ -50,6 +50,9 @@ src_prepare() {
 	# run as with - on pipe (for Clang 16)
 	eapply "${FILESDIR}"/${PN}-14.2.0-darwin-as-dash-pipe.patch
 
+	# fix build with libintl-0.23
+	eapply "${FILESDIR}"/${PN}-14.2.0-libintl-setlocale.patch
+
 	# make sure 64-bits native targets don't screw up the linker paths
 	eapply "${FILESDIR}"/gcc-12-no-libs-for-startfile.patch