Fix a problem if CFLAGS is too long cversion.c fails to compile when config

is run with --strict-warnings.

Reviewed-by: Richard Levitte <levitte@openssl.org>

1 files changed, 35 insertions, 0 deletions

diff --git a/util/mkbuildinf.pl b/util/mkbuildinf.pl
new file mode 100755
index 0000000000..ca02d7b0b2
--- /dev/null
+++ b/util/mkbuildinf.pl
@@ -0,0 +1,35 @@
+#!/usr/local/bin/perl
+
+my ($cflags, $platform) = @ARGV;
+
+$cflags = "compiler: $cflags";
+$date = localtime();
+print <<"END_OUTPUT";
+#ifndef MK1MF_BUILD
+    /* auto-generated by util/mkbuildinf.pl for crypto/cversion.c */
+    #define CFLAGS
+    /*
+     * Generate CFLAGS as an array of individual characters. This is a
+     * workaround for the situation where CFLAGS gets too long for a C90 string
+     * literal
+     */
+    static const char cflags[] = {
+END_OUTPUT
+my $ctr = 0;
+foreach my $c (split //, $cflags) {
+    # Max 18 characters per line
+    if  (($ctr++ % 18) == 0) {
+        if ($ctr != 0) {
+            print "\n";
+        }
+        print "        ";
+    }
+    print "'$c',";
+}
+print <<"END_OUTPUT";
+'\\0'
+    };
+    #define PLATFORM "platform: $platform"
+    #define DATE "built on: $date"
+#endif
+END_OUTPUT