From ac4162eedcf2ada1cf6aae0803b48b8e0b6f17b2 Mon Sep 17 00:00:00 2001
From: Adriano dos Santos Fernandes <adrianosf@gmail.com>
Date: Sat, 13 Jan 2024 17:57:17 -0300
Subject: [PATCH] Fix problem with autoconf 2.72.

This has been causing instability in the MacOS build due to some
runners using that autoconf version.
---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index 6a17452f7b..d936241282 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1654,6 +1654,9 @@ gen/make.platform.solaris.examples:${MAKE_SRC_DIR}/make.platform.solaris.example
 ;;
 esac
 
+# Fix problem with autoconf 2.72 inserting -std in CXX.
+CXX=`echo "$CXX" | sed -e 's/\(-std=c++11\)//g' -e 's/\(-std=gnu++11\)//g'`
+
 AC_OUTPUT
 
 dnl Print out the build configuration (the most interesting thing)