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HOWTOBUILD.MD

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How to build

This project uses a CMake script to either build the dependencies in-place, downloading them if required, or using the dependencies available on your system.

The official build uses a shared library (.dll on Windows, .so on Linux). The static library support is a new addition and still not supported by DSS C-API (work in progress, expected to be used in Jan 2025).

Definitions:

  • USE_SYSTEM_SUITESPARSE: If "OFF" cmake will download the SuiteSparse. If "ON" cmake will use your system's installation if available. Default: "ON".
  • USE_SYSTEM_EIGEN: If "OFF" cmake will download the Eigen3. If "ON" cmake will use your system's installation if available. Default: "ON".
  • BUILD_SHARED_LIBS: When "ON", building a shared library (.dll/.so/.dylib). Set to "OFF" to produce a static library instead. Previously, KLUSOLVE_LIB_TYPE was used and it's been replaced to provide easier integration with other tools and libraries. Default: "ON".
  • DSS_EXTENSIONS: If "ON", tweaks the artifact output folders for the release process. Default: "OFF".

Examples for shell-based environments (Linux and macOS)

x64 (64-bits)

#../klusolve
mkdir build
cd build
cmake -DUSE_SYSTEM_SUITESPARSE=OFF -DUSE_SYSTEM_EIGEN=OFF .. 
cmake --build . --config Release

x84 (32-bits)

#../klusolve
mkdir build
cd build
cmake -DUSE_SYSTEM_SUITESPARSE=OFF -DUSE_SYSTEM_EIGEN=OFF -DCMAKE_CXX_COMPILER_ARG1=-m32 -DCMAKE_C_COMPILER_ARG1=-m32 ..
cmake --build . --config Release