From 5e122f145f3f7358c7fbdf60f1872cf065dc0200 Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Sat, 1 Oct 2022 11:45:24 -0400
Subject: [PATCH] Ignore things from std:: in the ABI

---
 check_abi | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/check_abi b/check_abi
index 8267aaa3..b2abe406 100755
--- a/check_abi
+++ b/check_abi
@@ -88,7 +88,14 @@ class Main:
             m = re.match(r'^[0-9a-f]+ (.) (.+)@@LIBQPDF_\d+\s*$', line)
             if not m:
                 continue
-            symbols.add(m.group(2))
+            symbol = m.group(2)
+            if re.match(r'^((void|int|bool|(.*? for)) )?std::', symbol):
+                # Calling different methods of STL classes causes
+                # different template instantiations to appear.
+                # Standard library methods that sneak into the binary
+                # interface are not considered part of the qpdf ABI.
+                continue
+            symbols.add(symbol)
         return symbols
 
     def dump(self, options):