post build check: Always allow .pc files in lib/pkgconfig and debug/lib/pkgconfig (#906)

azure-pipelines/e2e_ports/overlays/wrong-pkgconfig/portfile.cmake

@@ -3,9 +3,12 @@ set(VCPKG_POLICY_EMPTY_INCLUDE_FOLDER enabled)
 if("header-only-good" IN_LIST FEATURES)
     configure_file("${CMAKE_CURRENT_LIST_DIR}/wrong-pkgconfig.pc.in" "${CURRENT_PACKAGES_DIR}/share/pkgconfig/wrong-pkgconfig.pc" @ONLY)
 endif()
-if("header-only-bad" IN_LIST FEATURES)
+if("header-only-in-lib" IN_LIST FEATURES)
     configure_file("${CMAKE_CURRENT_LIST_DIR}/wrong-pkgconfig.pc.in" "${CURRENT_PACKAGES_DIR}/lib/pkgconfig/wrong-pkgconfig.pc" @ONLY)
 endif()
+if("header-only-bad" IN_LIST FEATURES)
+    configure_file("${CMAKE_CURRENT_LIST_DIR}/wrong-pkgconfig.pc.in" "${CURRENT_PACKAGES_DIR}/share/configs/wrong-pkgconfig.pc" @ONLY)
+endif()
 set(LIBS "Libs: \"-L${libdir}\" -lwrong-pkgconfig")
 if("lib-good" IN_LIST FEATURES)
     configure_file("${CMAKE_CURRENT_LIST_DIR}/wrong-pkgconfig.pc.in" "${CURRENT_PACKAGES_DIR}/lib/pkgconfig/wrong-pkgconfig.pc" @ONLY)

azure-pipelines/e2e_ports/overlays/wrong-pkgconfig/vcpkg.json

@@ -6,6 +6,9 @@
 		"header-only-good": {
 			"description": ""
 		},
+		"header-only-in-lib": {
+			"description": ""
+		},
 		"header-only-bad": {
 			"description": ""
 		},

azure-pipelines/end-to-end-tests-dir/wrong-pkgconfig.ps1

@@ -8,6 +8,10 @@ Run-Vcpkg @commonArgs install "wrong-pkgconfig[header-only-good]"
 Throw-IfFailed
 Remove-Item -Recurse -Force $installRoot
 
+Run-Vcpkg @commonArgs install "wrong-pkgconfig[header-only-in-lib]"
+Throw-IfFailed
+Remove-Item -Recurse -Force $installRoot
+
 Run-Vcpkg @commonArgs install "wrong-pkgconfig[header-only-bad]"
 Throw-IfNotFailed
 Remove-Item -Recurse -Force $installRoot

src/vcpkg/postbuildlint.cpp

@@ -837,6 +837,9 @@ namespace vcpkg
         {
             if (!Strings::ends_with(path, ".pc")) continue;
             const auto parent_path = Path(path.parent_path());
+            // Always allow .pc files at 'lib/pkgconfig' and 'debug/lib/pkgconfig'
+            if (parent_path == lib_dir || parent_path == debug_dir) continue;
+
             const bool contains_libs =
                 Util::any_of(fs.read_lines(path).value_or_exit(VCPKG_LINE_INFO), [](const std::string& line) {
                     if (Strings::starts_with(line, "Libs"))
@@ -860,13 +863,11 @@ namespace vcpkg
             const bool is_debug = Strings::starts_with(path, Path(dir) / "debug");
             if (is_debug)
             {
-                if (parent_path == debug_dir) continue;
                 misplaced_pkgconfig_files.push_back({std::move(path), MisplacedFile::Type::Debug});
                 contains_debug = true;
             }
             else
             {
-                if (parent_path == lib_dir) continue;
                 misplaced_pkgconfig_files.push_back({std::move(path), MisplacedFile::Type::Release});
                 contains_release = true;
             }