[MacPorts] #55382: cmake @3.10.0: Cannot find a C++ compiler supporting C++11 on this system
MacPorts
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Sat Nov 25 10:39:17 UTC 2017
#55382: cmake @3.10.0: Cannot find a C++ compiler supporting C++11 on this system
-------------------------+-------------------------------------------------
Reporter: ryandesign | Owner: michaelld
Type: defect | Status: new
Priority: High | Milestone:
Component: ports | Version:
Resolution: | Keywords: tiger leopard snowleopard lion
Port: cmake | mountainlion
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Comment (by MarcusCalhoun-Lopez):
I was able to get cmake to build on a 10.7 VM using libstdc++ with the
following steps:
1. Change {{{configure.cxx_stdlib libstdc++}}} to {{{configure.cxx_stdlib
macports-libstdc++}}} in the [https://github.com/macports/macports-
ports/blob/7cbbb6dd71f9a9a9d582994985d60283b31ee699/devel/cmake/Portfile#L180
cmake Portfile] to allow C++11
1. Create a cmake39 port that does not require C++11 and installs
${prefix}/bin/cmake
1. Add the following code to the the [https://github.com/macports
/macports-
ports/blob/7cbbb6dd71f9a9a9d582994985d60283b31ee699/_resources/port1.0/group/cmake-1.0.tcl#L45
cmake PG] to avoid circular dependencies
{{{
if {${os.major} < 13 && ([string match clang-* ${subport}] || [string
match llvm-* ${subport}] || [string match libomp* ${subport}])} {
depends_build-append path:bin/cmake:cmake39
} else {
# can use cmake or cmake-devel; default to cmake if not installed
depends_build-append path:bin/cmake:cmake
}
}}}
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Ticket URL: <https://trac.macports.org/ticket/55382#comment:16>
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