Meta: Add Meta/CMake to the CMAKE_MODULE_PATH for Serenity and Lagom

This makes it so we don't need to specify the full path to all the
helper scripts we include() from different places in the codebase and
feels a lot cleaner.

CMakeLists.txt

@@ -1,4 +1,7 @@
 cmake_minimum_required(VERSION 3.16)
+
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/Meta/CMake")
+
 project(SerenityOS C CXX ASM)
 
 if(NOT "${CMAKE_BUILD_TYPE}" STREQUAL "")
@@ -141,7 +144,7 @@ if (ENABLE_ALL_DEBUG_FACILITIES)
 endif()
 
 if (ENABLE_ALL_THE_DEBUG_MACROS)
-    include("${SerenityOS_SOURCE_DIR}/Meta/CMake/all_the_debug_macros.cmake")
+    include(all_the_debug_macros)
 endif(ENABLE_ALL_THE_DEBUG_MACROS)
 
 configure_file(AK/Debug.h.in AK/Debug.h @ONLY)
@@ -335,12 +338,11 @@ if (ENABLE_UNDEFINED_SANITIZER)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=undefined -fno-sanitize=vptr")
 endif()
 
-include(Meta/CMake/wasm_spec_tests.cmake)
-
 add_custom_target(components ALL)
 option(BUILD_EVERYTHING "Build all optional components" ON)
 
-include(Meta/CMake/utils.cmake)
+include(utils)
+include(wasm_spec_tests)
 
 serenity_component(
     Tests

Meta/Lagom/CMakeLists.txt

@@ -24,6 +24,8 @@ get_filename_component(
     ABSOLUTE CACHE
 )
 
+list(APPEND CMAKE_MODULE_PATH "${SERENITY_PROJECT_ROOT}/Meta/CMake")
+
 find_package(Threads REQUIRED)
 
 if (ENABLE_LAGOM_CCACHE)
@@ -33,7 +35,7 @@ if (ENABLE_LAGOM_CCACHE)
     endif()
 endif()
 
-include(${SERENITY_PROJECT_ROOT}/Meta/CMake/wasm_spec_tests.cmake)
+include(wasm_spec_tests)
 
 add_compile_options(-Wno-unknown-warning-option -Wno-literal-suffix -Wno-deprecated-copy)
 add_compile_options(-O2)
@@ -378,7 +380,7 @@ if (BUILD_LAGOM)
     # Unicode
     # Don't include UnicodeData for Fuzzer builds, we didn't build the CodeGenerators
     if (NOT ENABLE_OSS_FUZZ AND NOT ENABLE_FUZZER_SANITIZER)
-        include(${SERENITY_PROJECT_ROOT}/Meta/CMake/unicode_data.cmake)
+        include(unicode_data)
     else()
         set(ENABLE_UNICODE_DATABASE_DOWNLOAD OFF)
     endif()
@@ -519,7 +521,7 @@ if (BUILD_LAGOM)
         set_tests_properties(JS PROPERTIES ENVIRONMENT SERENITY_SOURCE_DIR=${SERENITY_PROJECT_ROOT})
 
         # Markdown
-        include(${SERENITY_PROJECT_ROOT}/Meta/CMake/commonmark_spec.cmake)
+        include(commonmark_spec)
         file(GLOB LIBMARKDOWN_TEST_SOURCES CONFIGURE_DEPENDS "../../Tests/LibMarkdown/*.cpp")
         foreach(source ${LIBMARKDOWN_TEST_SOURCES})
             lagom_test(${source} LIBS LagomMarkdown)

Tests/LibMarkdown/CMakeLists.txt

@@ -1,4 +1,4 @@
-include(${SERENITY_PROJECT_ROOT}/Meta/CMake/commonmark_spec.cmake)
+include(commonmark_spec)
 
 set(TEST_SOURCES
     TestCommonmark.cpp