- Sidequest: Clean up header-only library dependencies with cmake.

cmake/Catch2.cmake

@@ -0,0 +1,7 @@
+Include(FetchContent)
+
+FetchContent_Declare(
+        Catch2
+        GIT_REPOSITORY https://github.com/catchorg/Catch2.git
+        GIT_TAG v2.13.7)
+FetchContent_MakeAvailable(Catch2)

cmake/MagicEnum.cmake

@@ -1,17 +1,15 @@
 include(ExternalProject)
-# Download RapidJSON
-ExternalProject_Add(
-        magic-enum
-        PREFIX "third_party/magic-enum"
-        GIT_REPOSITORY "https://github.com/Neargye/magic_enum"
+
+project(magicEnum)
+
+ExternalProject_Add(${PROJECT_NAME}-external
+        GIT_REPOSITORY https://github.com/Neargye/magic_enum.git
         GIT_TAG "v0.7.3"
-        TIMEOUT 10
-        CONFIGURE_COMMAND ""
+        GIT_SHALLOW TRUE
+        SOURCE_DIR ${THIRD_PARTY_DIR}/${PROJECT_NAME}
         BUILD_COMMAND ""
         INSTALL_COMMAND ""
-        UPDATE_COMMAND ""
-)
-
-# Magic Enums is a header-only
-ExternalProject_Get_Property(magic-enum source_dir)
-set(MAGIC_ENUM_INCLUDE_DIR ${source_dir}/include)
+        CONFIGURE_COMMAND "")
+add_library(${PROJECT_NAME} INTERFACE)
+add_dependencies(${PROJECT_NAME} ${PROJECT_NAME}-external)
+target_include_directories(${PROJECT_NAME} SYSTEM INTERFACE ${THIRD_PARTY_DIR}/${PROJECT_NAME}/include)

cmake/argparse.cmake

@@ -0,0 +1,15 @@
+include(ExternalProject)
+
+project(argparse)
+
+ExternalProject_Add(${PROJECT_NAME}-external
+        GIT_REPOSITORY https://github.com/p-ranav/argparse.git
+        GIT_TAG "v2.1"
+        GIT_SHALLOW TRUE
+        SOURCE_DIR ${THIRD_PARTY_DIR}/${PROJECT_NAME}
+        BUILD_COMMAND ""
+        INSTALL_COMMAND ""
+        CONFIGURE_COMMAND "")
+add_library(${PROJECT_NAME} INTERFACE)
+add_dependencies(${PROJECT_NAME} ${PROJECT_NAME}-external)
+target_include_directories(${PROJECT_NAME} SYSTEM INTERFACE ${THIRD_PARTY_DIR}/${PROJECT_NAME}/include)

cmake/rapidjson.cmake

@@ -1,21 +1,15 @@
 include(ExternalProject)
-# Download RapidJSON
-ExternalProject_Add(
-    rapidjson
-    PREFIX "third_party/rapidjson"
-    GIT_REPOSITORY "https://github.com/Tencent/rapidjson.git"
-    GIT_TAG f54b0e47a08782a6131cc3d60f94d038fa6e0a51
-    TIMEOUT 10
-    CMAKE_ARGS
-        -DRAPIDJSON_BUILD_TESTS=OFF
-        -DRAPIDJSON_BUILD_DOC=OFF
-        -DRAPIDJSON_BUILD_EXAMPLES=OFF
-    CONFIGURE_COMMAND ""
-    BUILD_COMMAND ""
-    INSTALL_COMMAND ""
-    UPDATE_COMMAND ""
-)
 
-# Prepare RapidJSON (RapidJSON is a header-only library)
-ExternalProject_Get_Property(rapidjson source_dir)
-set(RAPIDJSON_INCLUDE_DIR ${source_dir}/include)
+project(rapidjson)
+
+ExternalProject_Add(${PROJECT_NAME}-external
+        GIT_REPOSITORY https://github.com/Tencent/rapidjson.git
+        GIT_TAG "v1.1.0"
+        GIT_SHALLOW TRUE
+        SOURCE_DIR ${THIRD_PARTY_DIR}/${PROJECT_NAME}
+        BUILD_COMMAND ""
+        INSTALL_COMMAND ""
+        CONFIGURE_COMMAND "")
+add_library(${PROJECT_NAME} INTERFACE)
+add_dependencies(${PROJECT_NAME} ${PROJECT_NAME}-external)
+target_include_directories(${PROJECT_NAME} SYSTEM INTERFACE ${THIRD_PARTY_DIR}/${PROJECT_NAME}/include)