Modify C++ testing code to pass when CXXFLAGS contains -Werror. (Closes #75) (BTW...

[catta] / configure.ac

diff --git a/configure.ac b/configure.ac
index f3b9e413407826670a95f9b7d5c2c00b0d6f5808..bb44c52b492bf8f3f41f860ac3a87ea4642ec943 100644 (file)
--- 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() { return 0; }], [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]))
 
 #