don't override cflags with -O1 on x86*
--
diff --git a/cpan/Digest-SHA/Makefile.PL b/cpan/Digest-SHA/Makefile.PL
index af2c0c3..3606225 100644
--- a/cpan/Digest-SHA/Makefile.PL
+++ b/cpan/Digest-SHA/Makefile.PL
@@ -66,10 +66,6 @@ if ($^O eq 'VMS') {
 
 	# Enhance performance on Intel when using gcc
 
-if ($Config{archname} =~ /^i[3456]86/ && $Config{ccname} eq 'gcc') {
-	push(@extra, OPTIMIZE => '-O1 -fomit-frame-pointer');
-}
-
 my $fussy = '-Wall -Wextra -Wconversion -Wcast-align -Wpointer-arith ';
 push(@extra, CCFLAGS => $fussy . $Config{ccflags}) if $opt_w;