Check that 'configure' is generated by GNU Autoconf 2.69 (GH-28152)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 05bdf2445a234115379a67262c2ce330afd736fd..27e07a5f91bf37aaaecd9fb96929e307ddb7cfb1 100644 (file)
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -84,6 +84,8 @@ jobs:
         run: make smelly
       - name: Check limited ABI symbols
         run: make check-limited-abi
+      - name: Check Autoconf version 2.69
+        run: grep "Generated by GNU Autoconf 2.69" configure
 
   build_win32:
     name: 'Windows (x86)'