Ticket #53330: cxx11-1.1.tcl

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# This PortGroup introduces no new options. Simply including this
# PortGroup indicates that a port requires C++11
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# Ideally the functionality of this PortGroup should be integrated into
# MacPorts base as a new option.

PortGroup compiler_blacklist_versions 1.0

# Compilers supporting C++11 are GCC >= 4.6 and clang >= 3.3.
# We do not know what "cc" is, so blacklist it as well.
compiler.blacklist-append   {*gcc-3*} {*gcc-4.[0-5]} {clang < 500} cc

if {${cxx_stdlib} eq "libstdc++" || ${cxx_stdlib} eq "macports-libstdc++"} {
    compiler.blacklist-append   {macports-clang-3.[0-8]} clang

    compiler.whitelist-append   \
        macports-clang-3.9      \
        macports-gcc-6          \
        macports-gcc-5          \
        macports-gcc-4.9        \
        macports-gcc-4.8        \
        macports-gcc-4.7        \
        macports-gcc-4.6

    # see https://trac.macports.org/ticket/53194
    configure.cxx_stdlib macports-libstdc++

    if { ${os.major} < 13 } {
        # prior to OS X Mavericks, libstdc++ was the default C++ runtime, so
        #    assume MacPorts libstdc++ must be ABI compatable with system libstdc++
        # for OS X Maverick and above, users must select libstdc++, so
        #    assume they want default ABI compatibility
        # see https://gcc.gnu.org/onlinedocs/gcc-5.2.0/libstdc++/manual/manual/using_dual_abi.html
        configure.cxxflags-append -D_GLIBCXX_USE_CXX11_ABI=0
    }
} else {
    # GCC compilers can not use libc++
    compiler.blacklist-append   *gcc*
}