From 430eccefaef1bc78a00a5327e6e485299be674a5 Mon Sep 17 00:00:00 2001
From: Ben Gamari <ben@smart-cactus.org>
Date: Mon, 31 Oct 2022 09:41:05 -0400
Subject: rts: Check for program_invocation_short_name via autoconf

Instead of assuming support on all Linuxes.
---
 configure.ac | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 1a62c89831..bf4f597572 100644
--- a/configure.ac
+++ b/configure.ac
@@ -918,6 +918,11 @@ AC_CHECK_DECLS([ctime_r], , ,
 #define _POSIX_C_SOURCE 199506L
 #include <time.h>])
 
+dnl On Linux we should have program_invocation_short_name
+AC_CHECK_DECLS([program_invocation_short_name], , ,
+[#define _GNU_SOURCE 1
+#include <errno.h>])
+
 dnl ** check for mingwex library
 AC_CHECK_LIB(
   [mingwex],
-- 
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