#!/bin/bash

SCRIPT_REPO="https://github.com/KhronosGroup/SPIRV-Cross.git"
SCRIPT_COMMIT="2c32b6bf86f3c4a5539aa1f0bacbd59fe61759cf"

ffbuild_enabled() {
    [[ $TARGET == mac* ]] && return -1
    return 0
}

ffbuild_dockerbuild() {
    git-mini-clone "$SCRIPT_REPO" "$SCRIPT_COMMIT" spirv-cross
    cd spirv-cross

    VER_MAJ="$(grep 'set(spirv-cross-abi-major' CMakeLists.txt | sed -re 's/.* ([0-9]+)\)/\1/')"
    VER_MIN="$(grep 'set(spirv-cross-abi-minor' CMakeLists.txt | sed -re 's/.* ([0-9]+)\)/\1/')"
    VER_PCH="$(grep 'set(spirv-cross-abi-patch' CMakeLists.txt | sed -re 's/.* ([0-9]+)\)/\1/')"
    VER_FULL="$VER_MAJ.$VER_MIN.$VER_PCH"

    mkdir build && cd build

    cmake -DCMAKE_TOOLCHAIN_FILE="$FFBUILD_CMAKE_TOOLCHAIN" -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX="$FFBUILD_PREFIX" \
        -DSPIRV_CROSS_SHARED=OFF -DSPIRV_CROSS_STATIC=ON -DSPIRV_CROSS_CLI=OFF -DSPIRV_CROSS_ENABLE_TESTS=OFF -DSPIRV_CROSS_FORCE_PIC=ON -DSPIRV_CROSS_ENABLE_CPP=OFF ..
    make -j$(nproc)
    make install

    cat >"$FFBUILD_PREFIX"/lib/pkgconfig/spirv-cross-c-shared.pc <<EOF
prefix=$FFBUILD_PREFIX
exec_prefix=\${prefix}
libdir=\${prefix}/lib
sharedlibdir=\${prefix}/lib
includedir=\${prefix}/include/spirv_cross

Name: spirv-cross-c-shared
Description: C API for SPIRV-Cross
Version: $VER_FULL

Requires:
Libs: -L\${libdir} -L\${sharedlibdir} -lspirv-cross-c -lspirv-cross-glsl -lspirv-cross-hlsl -lspirv-cross-reflect -lspirv-cross-msl -lspirv-cross-util -lspirv-cross-core -lstdc++
Cflags: -I\${includedir}
EOF
}
