openmp: test package_info() output via PkgConfigDeps

recipes/openmp/all/test_package/CMakeLists.txt

@@ -24,3 +24,10 @@ target_link_libraries(test_package_cxx OpenMP::OpenMP_CXX)
 
 add_executable(test_package_c test_package.c)
 target_link_libraries(test_package_c OpenMP::OpenMP_C)
+
+# Using PkgConfigDeps output to test the configuration exported by package_info().
+# This is not a recommended or conventional way to use OpenMP.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(openmp REQUIRED IMPORTED_TARGET openmp)
+add_executable(test_package_pkgconfig test_package.c)
+target_link_libraries(test_package_pkgconfig PkgConfig::openmp)

recipes/openmp/all/test_package/conanfile.py

@@ -7,12 +7,16 @@
 
 class TestPackageConan(ConanFile):
     settings = "os", "arch", "compiler", "build_type"
-    generators = "CMakeDeps", "CMakeToolchain", "VirtualRunEnv"
+    generators = "CMakeDeps", "CMakeToolchain", "PkgConfigDeps", "VirtualBuildEnv", "VirtualRunEnv"
     test_type = "explicit"
 
     def requirements(self):
         self.requires(self.tested_reference_str)
 
+    def build_requirements(self):
+        if not self.conf.get("tools.gnu:pkg_config", check_type=str):
+            self.tool_requires("pkgconf/2.2.0")
+
     def layout(self):
         cmake_layout(self)
 
@@ -33,6 +37,6 @@ def build(self):
 
     def test(self):
         if can_run(self):
-            for executable in ["test_package_cxx", "test_package_c"]:
+            for executable in ["test_package_cxx", "test_package_c", "test_package_pkgconfig"]:
                 bin_path = os.path.join(self.cpp.build.bindir, executable)
                 self.run(bin_path, env="conanrun")