suitesparse.sh

#!/bin/bash

# parse SuiteSparse version from first argument, a git tag that ends in the version (no leading v)
if [[ $1 =~ refs/tags/([0-9]*\.[0-9]*\.[0-9]*)\..*$ ]];
then
    VERSION=${BASH_REMATCH[1]}
else
    echo "Specify a SuiteSparse version, such as: $0 refs/tags/7.4.3.0"
    exit -1
fi
echo VERSION: $VERSION

NPROC="$(nproc)"
if [ -z "${NPROC}" ]; then
    # Default for platforms that don't have nproc. Mostly Windows.
    NPROC="2"
fi

cmake_params=()
if [ -n "${OpenMP_C_FLAGS}" ]; then
    # macOS OpenMP flags.
    # wheels.yml sets them as env vars, but CMake needs them as -D defs.
    cmake_params+=(-DOpenMP_C_FLAGS="${OpenMP_C_FLAGS}")
    cmake_params+=(-DOpenMP_C_LIB_NAMES="${OpenMP_C_LIB_NAMES}")
    cmake_params+=(-DOpenMP_libomp_LIBRARY="${OpenMP_libomp_LIBRARY}")
fi

if [ -n "${CMAKE_GNUtoMS}" ]; then
    # Windows needs .lib libraries, not .a
    cmake_params+=(-DCMAKE_GNUtoMS=ON)
    # Windows expects 'graphblas.lib', not 'libgraphblas.lib'
    cmake_params+=(-DCMAKE_SHARED_LIBRARY_PREFIX=)
    cmake_params+=(-DCMAKE_STATIC_LIBRARY_PREFIX=)
fi

curl -L https://github.com/DrTimothyAldenDavis/GraphBLAS/archive/refs/tags/v${VERSION}.tar.gz | tar xzf -
cd GraphBLAS-${VERSION}/build

# Disable optimizing some rarely-used types for significantly faster builds and significantly smaller wheel size.
# Also the build with all types enabled sometimes stalls on GitHub Actions. Probably due to exceeded resource limits.
# These can still be used, they'll just have reduced performance (AFAIK similar to UDTs).
#echo "#define GxB_NO_BOOL      1" >> ../Source/GB_control.h #
#echo "#define GxB_NO_FP32      1" >> ../Source/GB_control.h #
#echo "#define GxB_NO_FP64      1" >> ../Source/GB_control.h #
#echo "#define GxB_NO_FC32      1" >> ../Source/GB_control.h #
#echo "#define GxB_NO_FC64      1" >> ../Source/GB_control.h #
echo "#define GxB_NO_INT16     1" >> ../Source/GB_control.h
echo "#define GxB_NO_INT32     1" >> ../Source/GB_control.h
#echo "#define GxB_NO_INT64     1" >> ../Source/GB_control.h #
echo "#define GxB_NO_INT8      1" >> ../Source/GB_control.h
echo "#define GxB_NO_UINT16    1" >> ../Source/GB_control.h
echo "#define GxB_NO_UINT32    1" >> ../Source/GB_control.h
echo "#define GxB_NO_UINT64    1" >> ../Source/GB_control.h
echo "#define GxB_NO_UINT8     1" >> ../Source/GB_control.h

cmake .. -DCMAKE_BUILD_TYPE=Release -G 'Unix Makefiles' "${cmake_params[@]}"
make -j$NPROC
make install

if [ -n "${CMAKE_GNUtoMS}" ]; then
    # Windows:
    # CMAKE_STATIC_LIBRARY_PREFIX is sometimes ignored, possibly when the MinGW toolchain is selected.
    # Drop the 'lib' prefix manually.
    echo "manually removing lib prefix"
    mv "C:/Program Files (x86)/lib/libgraphblas.lib" "C:/Program Files (x86)/lib/graphblas.lib"
    mv "C:/Program Files (x86)/lib/libgraphblas.dll.a" "C:/Program Files (x86)/lib/graphblas.dll.a"
    cp "C:/Program Files (x86)/bin/libgraphblas.dll" "C:/Program Files (x86)/bin/graphblas.dll"
fi