Fix check of -DOPENSSL_USE_APPLINK in $config{cflags}

The previous fix wasn't right.

Also, change all (^|\s) and (\s|$) constructs to (?:^|\s) and (?:\s|$).
Perl seems to like that better.

Reviewed-by: Andy Polyakov <appro@openssl.org>

diff --git a/Configure b/Configure
index 2ada7029f2a602f89c1f17782e481867cc7624e9..74ebfb1d457c0ffc11b5579f5fc921dc5941dcb3 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -1051,7 +1051,7 @@ if (!$no_asm) {
     $target{cpuid_asm_src}=$table{BASE}->{cpuid_asm_src} if ($config{processor} eq "386");
     $target{cpuid_asm_src}.=" uplink.c uplink-x86.s"
         if (grep { $_ eq "OPENSSL_USE_APPLINK"} @{$config{defines}}
-            || grep /(^|\s)-DOPENSSL_USE_APPLINK(\s|$)/, ${$config{cflags}});
+            || $config{cflags} =~ /(?:^|\s)-DOPENSSL_USE_APPLINK(?:\s|$)/);
 
     $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
 
@@ -1171,13 +1171,13 @@ if ($strict_warnings)
             unless $ecc eq 'gcc' || $ecc eq 'clang';
        foreach $wopt (split /\s+/, $gcc_devteam_warn)
                {
-               $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(^|\s)$wopt(\s|$)/)
+               $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
                }
        if ($ecc eq "clang")
                {
                foreach $wopt (split /\s+/, $clang_devteam_warn)
                        {
-                       $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(^|\s)$wopt(\s|$)/)
+                       $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
                        }
                }
        }
@@ -1186,7 +1186,7 @@ unless ($disabled{"crypto-mdebug-backtrace"})
        {
        foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
                {
-               $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(^|\s)$wopt(\s|$)/)
+               $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
                }
        if ($target =~ /^BSD-/)
                {