diff configure.ac @ 922:26da827e8fb5 tonioni

Merge from cxx11 branch

--- a/configure.ac	Mon Mar 23 10:04:51 2015 +0000
+++ b/configure.ac	Mon Mar 23 11:26:28 2015 +0000
@@ -25,6 +25,9 @@
 AC_PROG_INSTALL
 AC_PROG_MKDIR_P
 
+# We are daringly making use of C++11 now
+AX_CXX_COMPILE_STDCXX_11(noext)
+
 AC_HEADER_STDC
 
 # These are the flags Autoconf guesses for us; we use them later if
@@ -50,9 +53,10 @@
 CXXFLAGS_MINIMAL="$AUTOCONF_CXXFLAGS"
 
 if test "x$GCC" = "xyes"; then
-        CXXFLAGS_DEBUG="-Wall -Wextra -Werror -Woverloaded-virtual -Wformat-nonliteral -Wformat-security -Winit-self -Wswitch-enum -g -pipe"
-   	CXXFLAGS_RELEASE="-g0 -O2 -Wall -pipe"
-   	CXXFLAGS_MINIMAL="-g0 -O0"
+   	CXXFLAGS_ANY="-Wall -Wextra -Werror -Woverloaded-virtual -Wformat-nonliteral -Wformat-security -Winit-self -Wswitch-enum -Wconversion -pipe"
+        CXXFLAGS_DEBUG="$CXXFLAGS_ANY -g"
+   	CXXFLAGS_RELEASE="$CXXFLAGS_ANY -g0 -O2"
+   	CXXFLAGS_MINIMAL="$CXXFLAGS_ANY -g0 -O0"
 fi
 
 CXXFLAGS_BUILD="$CXXFLAGS_RELEASE"