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CMakeLists.txt
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CMakeLists.txt
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#===================================================#
# CMakeLists.txt -- rootFolder
#===================================================#
# 变量解释
# PROJECT_SOURCE_DIR ---
# PROJECT_BINARY_DIR --- cmake 编译所在的目录 path
# CMAKE_CURRENT_SOURCE_DIR --- current CMakeLists.txt path
#---------------------------------------------------#
# cmake version
#---------------------------------------------------#
# 3.16 or Later is better, to support PCH and Unity builds
cmake_minimum_required(VERSION 3.1)
message( STATUS "cmake: ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" )
#---------------------------------------------------#
# OS
#---------------------------------------------------#
if( APPLE )
option( TPR_OS_MACOSX_ " MACOSX " ON )
option( TPR_OS_UNIX_ " UNIX " ON )
message( STATUS "___APPLE___" )
elseif( UNIX AND NOT APPLE )
option( TPR_OS_LINUX_ " LINUX " ON )
option( TPR_OS_UNIX_ " UNIX " ON )
message( STATUS "___UNIX___" )
#-- 当使用 Virsual Studio 编译 cmake项目时，可用 WIN32
# 如果出错，尝试改用 MSVC
elseif( WIN32 )
option( TPR_OS_WIN32_ " WIN32 " ON )
message( STATUS "___WIN32___" )
endif( APPLE )
#---- Must before project!!! ----
#-- c++17
set (CMAKE_CXX_STANDARD 17)
set (CMAKE_CXX_STANDARD_REQUIRED ON)
set (CMAKE_CXX_EXTENSIONS OFF)
#---------------------------------------------------#
# project name
#---------------------------------------------------#
project ( tprPixelCPP )
#-- *** test: 0.2 ***
set ( VERSION_MAJOR 0 )
set ( VERSION_MINOR 2 )
#---------------------------------------------------#
# build/publish/
#---------------------------------------------------#
#-- change finally exe out-path: build/publish
set (EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/publish)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/publish)
# 确认一些 变量值：
message(STATUS "[__INFO__] CMAKE_BINARY_DIR: ${CMAKE_BINARY_DIR}")
message(STATUS "[__INFO__] PROJECT_BINARY_DIR: ${PROJECT_BINARY_DIR}")
message(STATUS "[__INFO__] CMAKE_RUNTIME_OUTPUT_DIRECTORY: ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}")
#---------------------------------------------------#
# SySconfig
# 暂未添加用途，测试用
#---------------------------------------------------#
#-- 配置 一个 h文件，用来 从 cmake 传递一些 变量 到 源文件 中。
#-- 我们需要手动编写 .h.in 文件。
#-- 然后，cmake调用会 帮我们自动生成对应的 h文件。
#-- 最后，正式 make编译时。源文件 就能 include 这些生成的 h文件。
option( SWITCH_1
" option test: switch 1 " ON )
configure_file(
"${CMAKE_CURRENT_SOURCE_DIR}/sysconfig/SysConfig.h.in"
"${EXECUTABLE_OUTPUT_PATH}/sysconfig/SysConfig.h"
)
#---------------------------------------------------#
# src
#---------------------------------------------------#
#-- 创建变量 PIXEL_FILES （是个 list）
#-- 包含 主进程需要的所有 cpp 文件
# GLOB_RECURSE 会递归访问目录，是一种粗粒度的写法
# 如果想要精细控制，应该在部分目录 该用 GLOB
# 请把所有 .cpp 文件写入 src 目录，然后就不用管了
FILE(GLOB_RECURSE PIXEL_FILES
src/Engine/*.cpp
src/innTest/*.cpp
src/Script/*.cpp
)
#---------------------------------------------------#
# tprpix
#---------------------------------------------------#
if( ${CMAKE_VERSION} VERSION_GREATER_EQUAL 3.16 )
set ( CMAKE_UNITY_BUILD_BATCH_SIZE 16 ) # 10 ～ 20
endif()
add_executable(
tprpix
${PIXEL_FILES}
)
#-- set libs/dlls output-name --> "tprpix.xxx"
set_target_properties(tprpix PROPERTIES PREFIX "")
set_target_properties(tprpix PROPERTIES OUTPUT_NAME "tprpix")
if( ${CMAKE_VERSION} VERSION_GREATER_EQUAL 3.16 )
target_precompile_headers( tprpix PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src/pch/pch.h ) # PCH
set_target_properties( tprpix PROPERTIES UNITY_BUILD ON) # UNITY
endif()
#---------------------------------------------------#
# include
#---------------------------------------------------#
# macro():
# 本宏函数，会检查目录 src/Engine/ 及其递归子目录，
# 如果某个目录，内含 .h/.hpp 文件，这个目录就会被收集到一个 list 中
# 最终返回这个 list
MACRO( collect_head_dirs return_list )
FILE(GLOB_RECURSE new_list
${CMAKE_CURRENT_SOURCE_DIR}/src/Engine/*.h
${CMAKE_CURRENT_SOURCE_DIR}/src/Engine/*.hpp
)
SET(dir_list "")
FOREACH(file_path ${new_list})
GET_FILENAME_COMPONENT(dir_path ${file_path} PATH)
SET(dir_list ${dir_list} ${dir_path})
ENDFOREACH()
LIST(REMOVE_DUPLICATES dir_list)
SET(${return_list} ${dir_list})
ENDMACRO()
# call macro
collect_head_dirs( engine_header_dirs )
# 打印实际收集到的 目录数目 （无关紧要部分）
list(LENGTH engine_header_dirs engine_header_dirs_count )
message(STATUS "[INFO] Found ${engine_header_dirs_count} engine header directories.")
# 很粗鲁的写法
# 每新增一个 include 目录，就要手动添加进这个列表中
target_include_directories ( tprpix PUBLIC
# === 跨平台宏文件（cmake创建） ===
${EXECUTABLE_OUTPUT_PATH}/sysconfig
# === 第三方库 ===
${CMAKE_CURRENT_SOURCE_DIR}/deps/rapidjson
${CMAKE_CURRENT_SOURCE_DIR}/deps/magic_enum
${CMAKE_CURRENT_SOURCE_DIR}/deps/fmt-6.1.2/include
# === 项目代码 ===
${CMAKE_CURRENT_SOURCE_DIR}/src
${CMAKE_CURRENT_SOURCE_DIR}/src/pch
${CMAKE_CURRENT_SOURCE_DIR}/src/innTest
${CMAKE_CURRENT_SOURCE_DIR}/src/Script
# 自动包含 src/Engine/ 目录下的所有 有效目录
${engine_header_dirs}
)
#-- 防止 第三方库h文件 报 warnings --
target_include_directories ( tprpix SYSTEM PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}/deps
${CMAKE_CURRENT_SOURCE_DIR}/deps/stb_image
${CMAKE_CURRENT_SOURCE_DIR}/deps/glm.9.9.5
)
#-- glfw --
if( UNIX )
target_include_directories ( tprpix PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/deps/glfw_unix/include)
else()
target_include_directories ( tprpix PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/deps/glfw_win/include)
endif( UNIX )
#---------------------------------------------------#
# 子目录 CMakeLists.txt
#---------------------------------------------------#
#-- 子 CMakeLists.txt 执行的 中间产物，将分别放在
# build/src build/libhello 目录中。
if( UNIX )
#-- 官网推荐，避免编译 test --
# 需要在 add_subdirectory 语句之前
set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
add_subdirectory (${CMAKE_CURRENT_SOURCE_DIR}/deps/glfw_unix)
add_subdirectory (${CMAKE_CURRENT_SOURCE_DIR}/deps/tprInUnix)
else()
add_subdirectory (${CMAKE_CURRENT_SOURCE_DIR}/deps/tprInWin)
endif( UNIX )
add_subdirectory (${CMAKE_CURRENT_SOURCE_DIR}/deps/glad)
add_subdirectory (${CMAKE_CURRENT_SOURCE_DIR}/deps/tprGeneral)
add_subdirectory (${CMAKE_CURRENT_SOURCE_DIR}/deps/sqlite.3.28)
add_subdirectory (${CMAKE_CURRENT_SOURCE_DIR}/deps/fmt-6.1.2 EXCLUDE_FROM_ALL)
#---------------------------------------------------#
# target_link_libraries
#---------------------------------------------------#
if ( UNIX )
target_link_libraries( tprpix
tprGeneral
tprInUnix
glad
glfw
${GLFW_LIBRARIES}
SQLite
fmt
)
else()
target_link_libraries( tprpix
tprGeneral
tprInWin
glad
${CMAKE_CURRENT_SOURCE_DIR}/deps/glfw_win/lib-vc2017/glfw3.lib
SQLite
fmt
)
endif( UNIX )
# 编译选项，可以自行增删
target_compile_options( tprpix
PRIVATE
#-Werror # 20220605 这个限制变得更严苛了, 暂时先去掉它
-Wall -Wextra
-Wno-c++98-compat
-Wno-c++98-compat-pedantic
-Wno-language-extension-token #- glad
-Wno-documentation #- glfw3
-Wno-documentation-unknown-command #- glfw3
-Wno-nonportable-system-include-path
-Wno-reserved-id-macro
-Wno-global-constructors #++ need ++
-Wno-exit-time-destructors #++ need ++
-Wno-covered-switch-default #++ need ++
-Wno-switch-enum #++ need ++
-Wno-unused-parameter #++ need ++
-Wno-unused-member-function #++ need ++
-Wno-missing-variable-declarations #++ need ++
-Wno-missing-prototypes
-Wno-old-style-cast #---- tmp ----
-Wno-unused-variable #----- tmp ----
-Wno-unused-private-field #----- tmp ----
)
#=========== 优化设置（非正式） ============
# 整体上只做了一次改动：
# release 模式，仍然允许 assert 宏起效
#-------- UNIX ----------
if( UNIX )
set ( CMAKE_C_FLAGS "-O0" CACHE STRING "regular mode: no optimize" FORCE )
set ( CMAKE_C_FLAGS_DEBUG "-O0 -g" CACHE STRING "debug mode: no optimize" FORCE )
set ( CMAKE_C_FLAGS_MINSIZEREL "-O0 -DNDEBUG" CACHE STRING "minSizeRel mode: no optimize" FORCE )
set ( CMAKE_C_FLAGS_RELEASE "-O2 -DNDEBUG" CACHE STRING "release mode: no optimize" FORCE )
set ( CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG" CACHE STRING "relWithDebugInfo mode: no optimize" FORCE )
set ( CMAKE_CXX_FLAGS "-O0" CACHE STRING "regular mode: no optimize" FORCE )
set ( CMAKE_CXX_FLAGS_DEBUG "-O0 -g" CACHE STRING "debug mode: no optimize" FORCE )
set ( CMAKE_CXX_FLAGS_MINSIZEREL "-O0 -DNDEBUG" CACHE STRING "minSizeRel mode: no optimize" FORCE )
set ( CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG" CACHE STRING "release mode: no optimize" FORCE )
set ( CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG" CACHE STRING "relWithDebugInfo mode: no optimize" FORCE )
#-------- WIN ----------
else()
# do not have CMAKE_C_FLAGS;
set ( CMAKE_C_FLAGS_DEBUG "/MDd /Zi /Ob0 /Od /RTC1" CACHE STRING "debug mode: no optimize" FORCE )
set ( CMAKE_C_FLAGS_MINSIZEREL "/MD /O0 /Ob1 /DNDEBUG" CACHE STRING "minSizeRel mode: no optimize" FORCE )
set ( CMAKE_C_FLAGS_RELEASE "/MD /O2 /Ob1 /DNDEBUG" CACHE STRING "release mode: no optimize" FORCE )
set ( CMAKE_C_FLAGS_RELWITHDEBINFO "/MD /Zi /O2 /Ob1 /DNDEBUG" CACHE STRING "relWithDebugInfo mode: no optimize" FORCE )
# do not have CMAKE_CXX_FLAGS;
set ( CMAKE_CXX_FLAGS_DEBUG "/MDd /Zi /Ob0 /Od /RTC1" CACHE STRING "debug mode: no optimize" FORCE )
set ( CMAKE_CXX_FLAGS_MINSIZEREL "/MD /O0 /Ob1 /DNDEBUG" CACHE STRING "minSizeRel mode: no optimize" FORCE )
set ( CMAKE_CXX_FLAGS_RELEASE "/MD /O2 /Ob1 /DNDEBUG" CACHE STRING "release mode: no optimize" FORCE )
set ( CMAKE_CXX_FLAGS_RELWITHDEBINFO "/MD /Zi /O2 /Ob1 /DNDEBUG" CACHE STRING "relWithDebugInfo mode: no optimize" FORCE )
endif( UNIX )