openssl/util/mkbuildinf.pl

#!/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 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 ($ctr != 1) {
            print "\n";
        }
        print "        ";
    }
    print "'$c',";
}
print <<"END_OUTPUT";
'\\0'
    };
    #define PLATFORM "platform: $platform"
    #define DATE "built on: $date"
#endif
END_OUTPUT