From 29c390c7e5c7ee12a1beebd7458aed2fcba53f91 Mon Sep 17 00:00:00 2001
From: "Dmitry V. Levin" <ldv@strace.io>
Date: Tue, 15 Oct 2024 08:00:00 +0000
Subject: build: check gdbm_close return type

gdbm_close() used to return void, later it was changed to return int.
We cannot assume either way and have to check whether gdbm_close()
returns int.

Fixes: 45c2c496dcf8 ("pam_userdb: enable GDBM support")
---
 meson.build | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'meson.build')

diff --git a/meson.build b/meson.build
index 840ff74f..7fc68b96 100644
--- a/meson.build
+++ b/meson.build
@@ -372,6 +372,12 @@ else
       if have
         use_db = 'gdbm'
         cdata.set('HAVE_GDBM_H', 1)
+        if cc.compiles('''#include <gdbm.h>
+                       int db_close(void *dbm) {return gdbm_close(dbm);}''',
+                       args: '-D_GNU_SOURCE',
+                       name: 'gdbm_close returns int')
+          cdata.set('GDBM_CLOSE_RETURNS_INT', 1)
+        endif
       endif
     endif
   endif
-- 
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