Include -std=c++11 when compiling protobuf if available.

zlfu9527 · Dec 7, 2016 · 1d91c25 · 1d91c25
1 parent 607b921
commit 1d91c25
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diff --git a/configure.ac b/configure.ac
@@ -178,6 +178,8 @@ case "$target_os" in
 esac
 AM_CONDITIONAL([OBJC_CONFORMANCE_TEST], [test $OBJC_CONFORMANCE_TEST = 1])
 
+AX_CXX_COMPILE_STDCXX([11], [noext], [optional])
+
 # HACK:  Make gmock's configure script pick up our copy of CFLAGS and CXXFLAGS,
 #   since the flags added by ACX_CHECK_SUNCC must be used when compiling gmock
 #   too.