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Building IceWM with CMake

There is an experimental build system that you can use to compile and install icewm. It's constructed around CMake and needs a sufficiently modern CMake version for the processing (at least version 2.6, which was released in May 2008).

Installation instructions:

  • for system requirements, see the INSTALL file.
  • run: mkdir build ; cd build ; cmake ..
  • check the output. To change variables, rerun the command above and add: -DVARIABLE=replacement_value To change the installation prefix to /opt/icewm run: cmake -DCMAKE_INSTALL_PREFIX:PATH=/opt/icewm .. If some values are sticky or some checks are not rerun (although you might have installed the reported missing packages), delete the file CMakeCache.txt and try again.
  • run: make -j4 Adjust the last argument as needed to the number of CPUs, -j$(nproc) is a possible way on GNU.
  • run: make install

Developer/Integrator notes:

  • you can see more internals and documented variables with "cmake -LAH"
  • CMAKE_CXX_FLAGS are appended to default compiler options. To override completely, see CXXFLAGS_COMMON in src/CMakeLists.txt
  • use cmake -DCMAKE_INSTALL_PREFIX=... (or related variables, see CMakeLists.xt) to specify the target file space (default is /usr/local)
  • make install DESTDIR=/tmp/elsewhere copies to another target location
  • Potential tuning options for smaller and/or smaller binaries, build analysis, ... -DEXTRA_LIBS="-lsupc++" -DENABLE_LTO=ON -DEXTRA_MSGMERGE=--verbose -DEXTRA_MSGFMT=--verbose
  • There is also a configuration example for debug builds in rebuild.sh, see there fore details
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