Add consume pkg-config test.

Author: Kerilk

.github/workflows/linux.yml

@@ -282,3 +282,21 @@ jobs:
     - name: Test pkg-config --libs
       shell: bash
       run: PKG_CONFIG_PATH="$GITHUB_WORKSPACE/install/lib/pkgconfig" pkg-config OpenCL --libs | grep -q "\-L$GITHUB_WORKSPACE/install/lib -lOpenCL"
+
+    - name: Consume pkg-config
+      shell: bash
+      run: ln -s $GITHUB_WORKSPACE/external/OpenCL-Headers/install/include $GITHUB_WORKSPACE/install/include;
+        PKG_CONFIG_PATH="$GITHUB_WORKSPACE/install/lib/pkgconfig" $CMAKE_EXE
+        -G "${{matrix.GEN}}"
+        -D CMAKE_C_COMPILER=${{matrix.COMPILER}}
+        -D CMAKE_C_FLAGS="-Wall -Wextra -pedantic -m${{matrix.BIN}}"
+        -D CMAKE_C_STANDARD=${{matrix.STD}}
+        -D CMAKE_C_EXTENSIONS=${{matrix.EXT}}
+        -D DRIVER_STUB_PATH=$GITHUB_WORKSPACE/build/Release/libOpenCLDriverStub.so
+        -B $GITHUB_WORKSPACE/build/downstream/pkgconfig
+        -S $GITHUB_WORKSPACE/test/pkgconfig/pkgconfig;
+        $CMAKE_EXE --build $GITHUB_WORKSPACE/build/downstream/pkgconfig --config Release;
+        $CMAKE_EXE --build $GITHUB_WORKSPACE/build/downstream/pkgconfig --config Debug;
+        cd $GITHUB_WORKSPACE/build/downstream/pkgconfig;
+        $CTEST_EXE --output-on-failure -C Release;
+        $CTEST_EXE --output-on-failure -C Debug;

test/pkgconfig/pkgconfig/CMakeLists.txt

@@ -0,0 +1,44 @@
+cmake_minimum_required(VERSION 3.1)
+find_package(PkgConfig REQUIRED)
+
+project(PkgConfigTest
+  LANGUAGES C
+)
+
+pkg_check_modules(OPENCL REQUIRED OpenCL)
+
+add_executable(${PROJECT_NAME}
+  ../pkgconfig.c
+)
+
+target_include_directories(${PROJECT_NAME}
+  PRIVATE
+    ${OPENCL_INCLUDE_DIRS}
+)
+
+target_link_libraries(${PROJECT_NAME}
+  PRIVATE
+    ${OPENCL_LINK_LIBRARIES}
+)
+
+target_compile_options(${PROJECT_NAME}
+  PRIVATE
+    ${OPENCL_CFLAGS_OTHER}
+)
+
+target_compile_definitions(${PROJECT_NAME}
+  PRIVATE
+    CL_TARGET_OPENCL_VERSION=120
+)
+
+include(CTest)
+
+add_test(
+  NAME ${PROJECT_NAME}
+  COMMAND ${PROJECT_NAME}
+)
+
+set_tests_properties(${PROJECT_NAME}
+  PROPERTIES
+    ENVIRONMENT "OCL_ICD_FILENAMES=${DRIVER_STUB_PATH}"
+)