Fix detection on HP-UX (IA64)

HPE has a weird preference to prefix letters and zero-padding. Properly trim
them before processing.

CLA: trivial

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22891)

(cherry picked from commit 253c5667a92efbbd1498b2f5b883da23c11b8930)

diff --git a/util/perl/OpenSSL/config.pm b/util/perl/OpenSSL/config.pm
index b574f82f4301702170b734f4444e0d9a59d196c1..5da9282d6bcc5cf0f88e61d5dff8c8c2365dc2a7 100755 (executable)
--- a/util/perl/OpenSSL/config.pm
+++ b/util/perl/OpenSSL/config.pm
@@ -82,7 +82,7 @@ my $guess_patterns = [
     [ 'HP-UX:.*',
       sub {
           my $HPUXVER = $RELEASE;
-          $HPUXVER = s/[^.]*.[0B]*//;
+          $HPUXVER =~ s/[^.]*.[0B]*//;
           # HPUX 10 and 11 targets are unified
           return "${MACHINE}-hp-hpux1x" if $HPUXVER =~ m@1[0-9]@;
           return "${MACHINE}-hp-hpux";
@@ -321,6 +321,7 @@ sub determine_compiler_settings {
 
             # If we got a version number, process it
             if ($v) {
+                $v =~ s/[^.]*.0*// if $SYSTEM eq 'HP-UX';
                 $CCVENDOR = $k;
 
                 # The returned version is expected to be one of