CMakeLists.txt

cmake_minimum_required (VERSION 3.20)
project (word-count)

# Require c++20.
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# include source & test folder
# add_subdirectory(src)
# add_subdirectory(test)

# include Google Test
include(FetchContent)
FetchContent_Declare(
  googletest
  GIT_REPOSITORY https://github.com/google/googletest.git
  GIT_TAG release-1.12.1
)
# For Windows: Prevent overriding the parent project's compiler/linker settings
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
FetchContent_MakeAvailable(googletest)

# src
set(BINARY ${CMAKE_PROJECT_NAME})
file(GLOB_RECURSE SOURCES LIST_DIRECTORIES true src/*.h src/*.cpp)
set(SOURCES ${SOURCES})
add_executable(${BINARY}_run ${SOURCES})
add_library(${BINARY}_lib STATIC ${SOURCES})

# test
enable_testing()
set(BINARY ${CMAKE_PROJECT_NAME}_test)
include_directories(${GTEST_INCLUDE_DIRS} ${GMOCK_INCLUDE_DIRS} ${PROJECT_SOURCE_DIR}/src)
file(GLOB_RECURSE TEST_SOURCES LIST_DIRECTORIES false test/*.h test/*.cpp)
set(SOURCES ${TEST_SOURCES})
add_executable(${BINARY} ${TEST_SOURCES})
add_test(NAME ${BINARY} COMMAND ${BINARY})
target_link_libraries(${BINARY} PUBLIC ${CMAKE_PROJECT_NAME}_lib gtest gmock)