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https://github.com/moparisthebest/spdylay
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23 lines
605 B
Plaintext
23 lines
605 B
Plaintext
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# AC_COMPILE_STDCXX_11
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AC_DEFUN([AC_COMPILE_STDCXX_11], [
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AC_CACHE_CHECK(if g++ supports C++11 features with -std=c++0x,
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ac_cv_cxx_compile_cxx11_cxx,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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ac_save_CXXFLAGS="$CXXFLAGS"
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CXXFLAGS="$CXXFLAGS -std=gnu++0x"
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AC_TRY_COMPILE([
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#include <functional>
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std::function<int (int, int)> func;
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],,
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ac_cv_cxx_compile_cxx11_cxx=yes, ac_cv_cxx_compile_cxx11_cxx=no)
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CXXFLAGS="$ac_save_CXXFLAGS"
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AC_LANG_RESTORE
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])
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if test "$ac_cv_cxx_compile_cxx11_cxx" = yes; then
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AC_DEFINE(HAVE_STDCXX_11,,[Define if g++ supports C++11 features. ])
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fi
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])
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