cmake-devel needs to link with libatomic now when built with GCC (at least for 32-bit)

[barracuda156]

:info:build [ 84%] Linking CXX executable ../../bin/ccmake
:info:build cd /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_cmake-devel/cmake-devel/work/cmake-b5c54d9c8a1fdfdbf1a133040029a4924b69185e/Source/CursesDialog && /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_cmake-devel/cmake-devel/work/cmake-b5c54d9c8a1fdfdbf1a133040029a4924b69185e/Bootstrap.cmk/cmake -E cmake_link_script CMakeFiles/ccmake.dir/link.txt --verbose=ON
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:info:build Undefined symbols:
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:info:build       __ZN10cmDebugger23cmDebuggerThreadManager11StartThreadERKSs in libCMakeLib.a(cmDebuggerThreadManager.cxx.o)
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:info:build       __ZN10cmDebugger20cmDebuggerStackFrameC1EP10cmMakefileSsRK18cmListFileFunction in libCMakeLib.a(cmDebuggerStackFrame.cxx.o)
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:info:build   "___atomic_store_8", referenced from:
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:info:build       __ZN10cmDebugger17cmDebuggerAdapter17ClearStepRequestsEv in libCMakeLib.a(cmDebuggerAdapter.cxx.o)
:info:build       __ZN10cmDebugger17cmDebuggerAdapter17ClearStepRequestsEv in libCMakeLib.a(cmDebuggerAdapter.cxx.o)
:info:build       __ZN10cmDebugger17cmDebuggerAdapter19OnBeginFunctionCallEP10cmMakefileRKSsRK18cmListFileFunction in libCMakeLib.a(cmDebuggerAdapter.cxx.o)
:info:build       __ZN10cmDebugger17cmDebuggerAdapter19OnBeginFunctionCallEP10cmMakefileRKSsRK18cmListFileFunction in libCMakeLib.a(cmDebuggerAdapter.cxx.o)
:info:build       __ZN10cmDebugger17cmDebuggerAdapter19OnBeginFunctionCallEP10cmMakefileRKSsRK18cmListFileFunction in libCMakeLib.a(cmDebuggerAdapter.cxx.o)
:info:build       __ZN10cmDebugger17cmDebuggerAdapter19OnBeginFunctionCallEP10cmMakefileRKSsRK18cmListFileFunction in libCMakeLib.a(cmDebuggerAdapter.cxx.o)
:info:build   "___atomic_load_8", referenced from:
:info:build       __ZN10cmDebugger17cmDebuggerAdapter19OnBeginFunctionCallEP10cmMakefileRKSsRK18cmListFileFunction in libCMakeLib.a(cmDebuggerAdapter.cxx.o)
:info:build       __ZN10cmDebugger17cmDebuggerAdapter19OnBeginFunctionCallEP10cmMakefileRKSsRK18cmListFileFunction in libCMakeLib.a(cmDebuggerAdapter.cxx.o)
:info:build   "___atomic_fetch_sub_8", referenced from:
:info:build       __ZZN12_GLOBAL__N_19TypeInfos3getEvEN8InstanceD1Ev in libcmcppdap.a(typeof.cpp.o)
:info:build       __ZN3dap9terminateEv in libcmcppdap.a(typeof.cpp.o)
:info:build ld: symbol(s) not found
:info:build collect2: error: ld returned 1 exit status
:info:build make[2]: *** [bin/ccmake] Error 1

[barracuda156]

Let me check if ppc64 needs libatomic or not. For ppc I have fixed this.

UPD. No, ppc64 is fine without it. ​https://github.com/macports/macports-ports/pull/19847

[barracuda156]

In dda30e1d562b47a3a79595ca5010fe96489e6e2f/macports-ports (master):

cmake-devel: fix build on 32-bit archs

Fixes: #67943