util/checkplatformsyms.pl: check that supplied files exist

Otherwise their absense is seemingly ignored, which leads to overlooked
symbol additions.

Signed-off-by: Eugene Syromiatnikov <esyr@openssl.org>
Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.foundation>
MergeDate: Fri Apr  3 15:42:15 2026
(Merged from https://github.com/openssl/openssl/pull/30635)

diff --git a/util/checkplatformsyms.pl b/util/checkplatformsyms.pl
index 742dd8ea84fe30c8aad22dd5bb40f11d987f74d9..c43d74daba9ce6de711912912dfe017556eb12ae 100755 (executable)
--- a/util/checkplatformsyms.pl
+++ b/util/checkplatformsyms.pl
@@ -14,6 +14,13 @@ my $expectedsyms=$ARGV[0];
 
 shift(@ARGV);
 
+# Check that object files exist
+foreach (@ARGV) {
+    unless (-f $_ && -r $_) {
+        die "Path is not a regular readable file: '$_'";
+    }
+}
+
 my $objlist;
 my $objfilelist = join(" ", @ARGV);
 my $expsyms;