[MacPorts] #59832: cmake 3.16.0: does not build on PPC Mac OS X 10.5.8, "Bus Error"

[MacPorts]

#59832: cmake 3.16.0: does not build on PPC Mac OS X 10.5.8, "Bus Error"
--------------------------+-----------------------
  Reporter:  timishimuni  |      Owner:  michaelld
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.6.2
Resolution:               |   Keywords:  leopard
      Port:  cmake        |
--------------------------+-----------------------

Comment (by noloader):

 @kencu,

 A quick and dirty patch for CMake 3.16.5 bootstrap. This enables a `make
 -j 4` so you can test changes in three or four minutes rather then 10 to
 15 minutes:

 {{{
 echo "Patching CMake 3.16.5"
 sed -i '1648,1652d' bootstrap
 sed -i '1648imake -j 4' bootstrap
 }}}

 The `sed` deletes this block, which CMake seems to mishandle somehow...

 {{{
 # Run make to build bootstrap cmake
 if [ "x${cmake_parallel_make}" != "x" ]; then
   ${cmake_make_processor} ${cmake_make_flags}
 else
   ${cmake_make_processor}
 fi
 }}}

 Here's my full build script for testing. Notice the export of
 `cmake_make_processor` and `cmake_parallel_make`.

 {{{
 #!/usr/bin/env bash

 printf '\033c'
 rm -rf cmake-3.16.5/

 export CC=/opt/local/bin/gcc-mp-5
 export CXX=/opt/local/bin/g++-mp-5
 export CFLAGS="-Wall"
 export CXXFLAGS="-Wall"
 export RANLIB=/opt/local/bin/gcc-ranlib-mp-5
 export LDFLAGS="-twolevel_namespace -twolevel_namespace_hints"

 export MAKE="make"
 export cmake_make_processor="make"
 export cmake_parallel_make="4"

 echo
 echo "CC: $CC"
 echo "CXX: $CXX"
 echo "CFLAGS: $CFLAGS"
 echo "CXXFLAGS: $CXXFLAGS"
 echo "LDFLAGS: -twolevel_namespace -twolevel_namespace_hints"
 echo

 if [ -e cmake-3.16.5.tar.gz ];
 then
     echo "Found CMake 3.16.5"
 else
     echo "Downloading CMake 3.16.5"
     if ! curl -L -s -k -o cmake-3.16.5.tar.gz \
 https://github.com/Kitware/CMake/releases/download/v3.16.5/cmake-3.16.5.tar.gz;
     then
         echo "Failed to download CMake"
         exit 1
     fi
 fi

 echo "Unpacking CMake 3.16.5"
 if ! tar xzf cmake-3.16.5.tar.gz;
 then
     echo "Failed to unpack CMake"
     exit 1
 fi

 cd cmake-3.16.5 || exit 1

 echo "Patching CMake 3.16.5"
 sed -i '1648,1652d' bootstrap
 sed -i '1648imake -j 4' bootstrap

 echo "Configuring CMake 3.16.5"
 if ! ./bootstrap --no-system-libs;
 then
     echo "Failed to configure CMake"
     exit 1
 fi

 echo "Building CMake 3.16.5"
 if ! "${MAKE}";
 then
     echo "Failed to build CMake"
     exit 1
 fi

 echo
 echo "CMake 3.16.5 is ready to install. Change directories"
 echo "to cmake-3.16.5, and then run 'sudo make install'."

 exit 0
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/59832#comment:30>
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