Make the match for previous cflags a bit more strict

./Configure [target] --strict-warnings -Wno-pedantic-ms-format
would not add '-pedantic' because it matches '-Wno-pedantic-ms-format',
which was added first.

Reviewed-by: Matt Caswell <matt@openssl.org>

diff --git a/Configure b/Configure
index 79562477f93b3a689d531afd2118fd3770156616..c53c316e2d82ea848020138c134211e5184ded63 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -1740,13 +1740,13 @@ if ($strict_warnings)
        die "ERROR --strict-warnings requires gcc or clang" unless ($ecc =~ /gcc(-\d(\.\d)*)?$/ or $ecc =~ /clang$/);
        foreach $wopt (split /\s+/, $gcc_devteam_warn)
                {
-               $cflags .= " $wopt" unless ($cflags =~ /$wopt/)
+               $cflags .= " $wopt" unless ($cflags =~ /(^|\s)$wopt(\s|$)/)
                }
        if ($ecc eq "clang")
                {
                foreach $wopt (split /\s+/, $clang_devteam_warn)
                        {
-                       $cflags .= " $wopt" unless ($cflags =~ /$wopt/)
+                       $cflags .= " $wopt" unless ($cflags =~ /(^|\s)$wopt(\s|$)/)
                        }
                }
        }