Sync from SUSE:SLFO:1.1 gtk2 revision ca85c0634769c872e6453b8f051c335b

gtk2.changes

@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Thu Mar 20 21:53:51 UTC 2025 - Bjørn Lie <bjorn.lie@gmail.com>
+
+- Export -std=gnu99 to cflags, fix build with gcc 15. GCC 15
+  defaults to C23. gtk+ 2.x entered maintenance mode upstream prior
+  to C11, is now no longer under development, and therefore should
+  not be expected to compile to newer standards.
+
 -------------------------------------------------------------------
 Wed Feb 26 03:36:57 UTC 2025 - Stanislav Brabec <sbrabec@suse.com>
 

gtk2.spec

@@ -341,7 +341,7 @@ ln po/{en,lg,zu}.po po-properties/
 %build
 NOCONFIGURE=1 ./autogen.sh
 export CFLAGS="%{optflags}"
-export CFLAGS="$CFLAGS -fstack-protector"
+export CFLAGS="$CFLAGS -fstack-protector -std=gnu99"
 %ifarch ppc64
 export CFLAGS="$CFLAGS -mminimal-toc"
 %endif