cmake: use pkg-config + test compile instead of Find module for detecting rpi #1075

	name: Build (Haiku)

	on: [push, pull_request]

	jobs:
	haiku:
	runs-on: ubuntu-latest
	name: Haiku
	container: haiku/cross-compiler:x86_64-r1beta4
	steps:
	- uses: actions/checkout@v3
	- name: Setup dependencies
	run: \|
	apt-get install pkg-config -y
	- name: Configure Haiku environment variables
	run: \|
	echo "CC=x86_64-unknown-haiku-gcc" >> $GITHUB_ENV
	echo "CXX=x86_64-unknown-haiku-g++" >> $GITHUB_ENV
	- name: Configure (CMake)
	run: \|
	cmake -S . -B build -GNinja \
	-Wdeprecated -Wdev -Werror \
	-DSDL_SHARED=ON \
	-DSDL_STATIC=ON \
	-DSDL_TESTS=ON \
	-DSDL_WERROR=ON \
	-DSDL_INSTALL_TESTS=ON \
	-DSDL_VENDOR_INFO=Github_Workflow \
	-DCMAKE_INSTALL_PREFIX=cmake_prefix \
	-DCMAKE_BUILD_TYPE=Release \
	-DCMAKE_SYSTEM_NAME=Haiku
	- name: Build (CMake)
	run: \|
	cmake --build build/ --config Release --verbose --parallel
	- name: Install (CMake)
	run: \|
	echo "SDL3_DIR=$(pwd)/cmake_prefix" >> $GITHUB_ENV
	cmake --install build/ --config Release
	- name: Package (CPack)
	run: \|
	cmake --build build/ --config Release --target package
	- name: Verify CMake configuration files
	run: \|
	cmake -S cmake/test -B cmake_config_build -G Ninja \
	-DCMAKE_BUILD_TYPE=Release \
	-DCMAKE_PREFIX_PATH=${{ env.SDL3_DIR }} \
	-DCMAKE_SYSTEM_NAME=Haiku
	cmake --build ./cmake_config_build --verbose
	- name: Verify sdl3.pc
	run: \|
	export PKG_CONFIG_PATH=${{ env.SDL3_DIR }}/lib/pkgconfig
	cmake/test/test_pkgconfig.sh
	- uses: actions/upload-artifact@v3
	with:
	if-no-files-found: error
	name: SDL-haiku
	path: build/dist/SDL3*

Provide feedback