From 2497e2e7dbe54420cd98dc2ff013ed5886cd4d8e Mon Sep 17 00:00:00 2001
From: Richard Levitte <levitte@openssl.org>
Date: Sun, 10 Jan 2021 09:26:22 +0100
Subject: [PATCH] Configure: warn about duplicate GENERATE declarations in
 build.info files

This sort of duplication is permitted, as the end result will be a single
item anyway, but we might as well warn to avoid future confusion.

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/13824)
---
 Configure | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Configure b/Configure
index 87267e2a26..ccdb037de2 100755
--- a/Configure
+++ b/Configure
@@ -2325,7 +2325,7 @@ EOF
             if ($generate{$gen}) {
                 $generator[0] = cleanfile($buildd, $gen, $blddir);
             }
-            $check_generate{$ddest}->{$generator[0]} = 1;
+            $check_generate{$ddest}->{$generator[0]}++;
 
             $unified_info{generate}->{$ddest} = [ @generator ];
         }
@@ -2439,6 +2439,9 @@ EOF
             warn "$_ is GENERATEd by more than one generator ($generators_txt)\n";
             $ambiguous_generation++;
         }
+        if ($check_generate{$_}->{$generators[0]} > 1) {
+            warn "INFO: $_ has more than one GENERATE declaration (same generator)\n"
+        }
     }
     die "There are ambiguous source file generations\n"
         if $ambiguous_generation > 0;