env-mingw.sh

#!/usr/bin/env bash
set -e

TARGET_ARCH=${1}
export TARGET_TRIPLE="${TARGET_ARCH}-w64-mingw32"

export PARALLEL_JOBS="$(nproc)"
export PLATFORM_WIN32="1"

if command -v ccache >/dev/null 2>&1 ; then
  export CCACHE_SRC="$(command -v ccache)"

  export CMAKE_EXTRA="${CMAKE_EXTRA} -D CMAKE_C_COMPILER_LAUNCHER=ccache"
  export CMAKE_EXTRA="${CMAKE_EXTRA} -D CMAKE_CXX_COMPILER_LAUNCHER=ccache"
fi


CROSS_TOOLCHAIN_ROOT=${CROSS_TOOLCHAIN_ROOT:-""}
if [ -z "${CROSS_TOOLCHAIN_ROOT}" ]; then
  printf "\e[1m\e[31m%s\e[0m\n" "Blank CROSS_TOOLCHAIN_ROOT: '${CROSS_TOOLCHAIN_ROOT}'."
  exit 1
fi
export SYSROOT="${CROSS_TOOLCHAIN_ROOT}/${TARGET_TRIPLE}"

# cmake toolchain file
if [ -z "${CROSS_TOOLCHAIN_FILE_PREFIX_CMAKE}" ]; then
  CROSS_TOOLCHAIN_FILE_PREFIX_CMAKE="${CROSS_TOOLCHAIN_ROOT}/toolchain-cmake-template"
fi
CROSS_TOOLCHAIN_FILE_CMAKE="${CROSS_TOOLCHAIN_FILE_PREFIX_CMAKE}.${TARGET_ARCH}"
export CMAKE_EXTRA="${CMAKE_EXTRA} -D CMAKE_TOOLCHAIN_FILE=${CROSS_TOOLCHAIN_FILE_CMAKE}"
# meson toolchain file
if [ -z "${CROSS_TOOLCHAIN_FILE_PREFIX_MESON}" ]; then
  CROSS_TOOLCHAIN_FILE_PREFIX_MESON="${CROSS_TOOLCHAIN_ROOT}/toolchain-meson-template"
fi
CROSS_TOOLCHAIN_FILE_MESON="${CROSS_TOOLCHAIN_FILE_PREFIX_MESON}.${TARGET_ARCH}"
export MESON_EXTRA="${MESON_EXTRA} --cross-file ${CROSS_TOOLCHAIN_FILE_MESON}"
# pkgconf bin
if [ -z "${CROSS_TOOLCHAIN_PKGCONF_PREFIX}" ]; then
  CROSS_TOOLCHAIN_PKGCONF_PREFIX="${CROSS_TOOLCHAIN_ROOT}/pkgconf-wrapper"
fi
export CROSS_TOOLCHAIN_PKGCONF="${CROSS_TOOLCHAIN_PKGCONF_PREFIX}.${TARGET_ARCH}"

# for cross-compiling, cmake sets compiler vars by toolchain file, so keep CC/CXX.
export HOSTCC="${CROSS_TOOLCHAIN_ROOT}/bin/clang"
export HOSTCXX="${CROSS_TOOLCHAIN_ROOT}/bin/clang++"
export HOSTCPP="${CROSS_TOOLCHAIN_ROOT}/bin/clang-cpp"

export CC=" ${CCACHE_SRC} ${CROSS_TOOLCHAIN_ROOT}/bin/${TARGET_TRIPLE}-clang"
export CXX="${CCACHE_SRC} ${CROSS_TOOLCHAIN_ROOT}/bin/${TARGET_TRIPLE}-clang++"
export WINDRES="${CROSS_TOOLCHAIN_ROOT}/bin/${TARGET_TRIPLE}-windres"
export LD="${CROSS_TOOLCHAIN_ROOT}/bin/${TARGET_TRIPLE}-ld"
export NM="${CROSS_TOOLCHAIN_ROOT}/bin/${TARGET_TRIPLE}-nm"
export AR="${CROSS_TOOLCHAIN_ROOT}/bin/${TARGET_TRIPLE}-ar"
export AS="${CROSS_TOOLCHAIN_ROOT}/bin/${TARGET_TRIPLE}-as"
export RANLIB="${CROSS_TOOLCHAIN_ROOT}/bin/${TARGET_TRIPLE}-ranlib"
export STRIP="${CROSS_TOOLCHAIN_ROOT}/bin/${TARGET_TRIPLE}-strip"