build: import fmtlib and gtest

CMakeLists.txt

@@ -18,7 +18,10 @@ project(wasm-watermarker VERSION 0.1.0 LANGUAGES CXX)
 
 enable_testing()
 
-find_package(Boost 1.65.0 REQUIRED)
-include_directories(${Boost_INCLUDE_DIR})
+include(ExternalProject)
+include(cmake/boost.cmake)
+include(cmake/fmt.cmake)
+include(cmake/googletest.cmake)
 
 add_subdirectory(src)
+add_subdirectory(test)

cmake/boost.cmake

+find_package(Boost 1.65.0 REQUIRED)
+include_directories(${Boost_INCLUDE_DIR})

cmake/fmt.cmake

+ExternalProject_Add(fmt
+    GIT_REPOSITORY  "https://github.com/fmtlib/fmt.git"
+    GIT_TAG         "master"
+    PREFIX          "${CMAKE_CURRENT_BINARY_DIR}/fmt"
+    SOURCE_DIR      "${CMAKE_CURRENT_BINARY_DIR}/fmt/src"
+    BINARY_DIR      "${CMAKE_CURRENT_BINARY_DIR}/fmt/build"
+    STAMP_DIR       "${CMAKE_CURRENT_BINARY_DIR}/fmt/stamp"
+    UPDATE_COMMAND  ""
+    INSTALL_COMMAND ""
+    TEST_COMMAND    ""
+    CMAKE_ARGS
+        -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
+        -DCMAKE_BUILD_TYPE=Release
+        -DFMT_DOC=OFF
+        -DFMT_TEST=OFF
+
+)
+
+ExternalProject_Get_Property(fmt source_dir)
+ExternalProject_Get_Property(fmt binary_dir)
+
+add_library(fmtlib::fmt STATIC IMPORTED)
+
+make_directory("${source_dir}/include") # To suppress non-exist directory warnings
+
+set_target_properties(fmtlib::fmt PROPERTIES
+    IMPORTED_LOCATION "${binary_dir}/libfmt.a"
+    INTERFACE_INCLUDE_DIRECTORIES "${source_dir}/include"
+)
+
+add_dependencies(fmtlib::fmt fmt)

cmake/googletest.cmake

+ExternalProject_Add(googletest
+    GIT_REPOSITORY  "https://github.com/google/googletest.git"
+    GIT_TAG         "master"
+    PREFIX          "${CMAKE_CURRENT_BINARY_DIR}/googletest"
+    SOURCE_DIR      "${CMAKE_CURRENT_BINARY_DIR}/googletest/src"
+    BINARY_DIR      "${CMAKE_CURRENT_BINARY_DIR}/googletest/build"
+    STAMP_DIR       "${CMAKE_CURRENT_BINARY_DIR}/googletest/stamp"
+    UPDATE_COMMAND  ""
+    INSTALL_COMMAND ""
+    TEST_COMMAND    ""
+    CMAKE_ARGS
+        -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
+        -DCMAKE_BUILD_TYPE=Release
+)
+
+ExternalProject_Get_Property(googletest source_dir)
+ExternalProject_Get_Property(googletest binary_dir)
+
+add_library(googletest::gtest STATIC IMPORTED)
+
+make_directory("${source_dir}/googletest/include") # To suppress non-exist directory warnings
+
+set_target_properties(googletest::gtest PROPERTIES
+    IMPORTED_LOCATION "${binary_dir}/lib/libgtest.a"
+    INTERFACE_INCLUDE_DIRECTORIES "${source_dir}/googletest/include"
+)
+
+add_library(googletest::gtest_main STATIC IMPORTED)
+
+set_target_properties(googletest::gtest_main PROPERTIES
+    IMPORTED_LOCATION "${binary_dir}/lib/libgtest_main.a"
+)
+
+add_dependencies(googletest::gtest googletest)
+add_dependencies(googletest::gtest_main googletest)

test/CMakeLists.txt

+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/test")
+
+add_executable(test_kyut
+    test_kyut.cpp
+)
+
+target_link_libraries(test_kyut
+    fmtlib::fmt
+    googletest::gtest
+    googletest::gtest_main
+)
+
+add_test(NAME tests::kyut
+    COMMAND $<TARGET_FILE:test_kyut>
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+)

test/test_kyut.cpp

+#include <gtest/gtest.h>
+
+TEST(kyut, dummy) {
+}