prefer newer g++ with stdc++11 support
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-1
@@ -10,7 +10,7 @@ AC_CONFIG_MACRO_DIR([m4])
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if test -z $CXXFLAGS; then
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if test -z $CXXFLAGS; then
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CXXFLAGS="-fpic -Wall -Wno-unused-function -Wextra -g -O2"
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CXXFLAGS="-fpic -Wall -Wno-unused-function -Wextra -g -O2"
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fi
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fi
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AC_PROG_CXX
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AC_PROG_CXX([g++-6 g++-5 g++-4.9 g++-4.8 g++])
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AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory])
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AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory])
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AC_CHECK_HEADERS([arpa/inet.h \
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AC_CHECK_HEADERS([arpa/inet.h \
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