File GD-cflags.patch of Package perl-GD
Index: GD-2.71/Makefile.PL
===================================================================
--- GD-2.71.orig/Makefile.PL
+++ GD-2.71/Makefile.PL
@@ -259,7 +259,7 @@ print F $DEFINES,"\n";
close F;
my $CCFLAGS = $Config{ccflags};
-$CCFLAGS .= " -Wall -Wextra -Wformat=1" if $Config{gccversion} and $] > 5.020;
+$CCFLAGS .= " -Wall -Wextra" if $Config{gccversion} and $] > 5.020;
# hardened CFLAGS for testing
#$CCFLAGS .= ' -D_GNU_SOURCE -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches';
my $LDDLFLAGS = $Config{lddlflags};