Fix C++11 check when --with-cxx=11 is used

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AX_CXX_COMPILE_STDCXX() macro does not define HAVE_CXX11 when C++11 is
required (and not optional, as with --enable-cxx11), so the build was broken
when --with-cxx=11 was used under OS X as -stdlib=libc++ was not used.

Fix this and also leave only a single AX_CXX_COMPILE_STDCXX() check for C++11,
this saves us ~1000 lines in configure.

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This commit is contained in:

Vadim Zeitlin

2016-03-20 16:56:50 +01:00

parent 0777bf6b92

commit 608cee6965

2 changed files with 989 additions and 1954 deletions

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2931

configure vendored

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