From 28eb71adcf582a728d6ae7d00f7afbf8bd4a38c1 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sun, 31 Dec 2006 15:44:16 +0000
Subject: [PATCH] Check for a working C++ compiler in configure.ac (Closes #75)
 Thanks, tedp!

git-svn-id: file:///home/lennart/svn/public/avahi/trunk@1356 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe
---
 configure.ac | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/configure.ac b/configure.ac
index f3b9e41..89477e3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -58,6 +58,16 @@ AC_PROG_GCC_TRADITIONAL
 # libtool stuff
 AC_PROG_LIBTOOL
 
+AC_CACHE_CHECK([whether the C++ compiler works], [avahi_cv_sys_cxx_works], [
+    AC_LANG_PUSH([C++])
+    AC_COMPILE_IFELSE([int main() { }], [avahi_cv_sys_cxx_works=yes],
+        [avahi_cv_sys_cxx_works=no])
+    AC_LANG_POP([C++])
+    ])
+[ if [ "x$avahi_cv_sys_cxx_works" = "xno" ]; then ]
+    AC_MSG_FAILURE([The C++ compiler does not work])
+[ fi ]
+
 ACX_PTHREAD(,AC_MSG_ERROR([Missing POSIX Threads support]))
 
 #
-- 
2.39.5