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Add static-linkage support to CMake file

Browse source 
Well, kind of.

It uses pkg-config and GCC's `-static' flag. It's very tied the Linux
way of doing things.
This commit is contained in:
Clownacy 2020-04-01 20:14:44 +01:00
parent 6be5aac70d
commit ca5b092807
1 changed files with 44 additions and 5 deletions
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49
CMakeLists.txt
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@ -18,8 +18,9 @@ option(DEBUG_SAVE "Re-enable the ability to drag-and-drop save files onto the wi
set(BACKEND_RENDERER "SDLTexture" CACHE STRING "Which renderer the game should use: 'OpenGL3' for an OpenGL 3.2 renderer, 'OpenGLES2' for an OpenGL ES 2.0 renderer, 'SDLTexture' for SDL2's hardware-accelerated Texture API, 'SDLSurface' for SDL2's software-rendered Surface API, or 'Software' for a handwritten software renderer") set(BACKEND_RENDERER "SDLTexture" CACHE STRING "Which renderer the game should use: 'OpenGL3' for an OpenGL 3.2 renderer, 'OpenGLES2' for an OpenGL ES 2.0 renderer, 'SDLTexture' for SDL2's hardware-accelerated Texture API, 'SDLSurface' for SDL2's software-rendered Surface API, or 'Software' for a handwritten software renderer")
set(BACKEND_AUDIO "SDL2" CACHE STRING "Which audio backend the game should use: 'SDL2' or 'miniaudio'") set(BACKEND_AUDIO "SDL2" CACHE STRING "Which audio backend the game should use: 'SDL2' or 'miniaudio'")
option(STATIC_LINKAGE "On platforms with pkg-config, static-link the dependencies" OFF)
option(LTO "Enable link-time optimisation" OFF) option(LTO "Enable link-time optimisation" OFF)
option(MSVC_LINK_STATIC_RUNTIME "Link the static MSVC runtime library" OFF) option(MSVC_LINK_STATIC_RUNTIME "Link the static MSVC runtime library (Visual Studio only)" OFF)
option(FORCE_LOCAL_LIBS "Compile the built-in versions of SDL2, FreeType, and FLTK instead of using the system-provided ones" OFF) option(FORCE_LOCAL_LIBS "Compile the built-in versions of SDL2, FreeType, and FLTK instead of using the system-provided ones" OFF)
@ -258,6 +259,10 @@ if(DEBUG_SAVE)
target_compile_definitions(CSE2 PRIVATE DEBUG_SAVE) target_compile_definitions(CSE2 PRIVATE DEBUG_SAVE)
endif() endif()
if(STATIC_LINKAGE)
target_link_options(CSE2 PRIVATE "-static")
endif()
if(LTO) if(LTO)
include(CheckIPOSupported) include(CheckIPOSupported)
@ -372,10 +377,29 @@ set_target_properties(CSE2 PROPERTIES
################ ################
if(NOT FORCE_LOCAL_LIBS) if(NOT FORCE_LOCAL_LIBS)
find_package(SDL2) find_package(PkgConfig QUIET)
endif() endif()
if(TARGET SDL2::SDL2) if(NOT FORCE_LOCAL_LIBS)
find_package(SDL2)
if (PKG_CONFIG_FOUND)
pkg_check_modules(sdl2 QUIET sdl2)
endif()
endif()
if(sdl2_FOUND)
# pkg-config
if (STATIC_LINKAGE)
message(STATUS "Using system SDL2 (pkg-config, static)")
target_compile_options(CSE2 PRIVATE ${sdl2_STATIC_CFLAGS})
target_link_libraries(CSE2 PRIVATE ${sdl2_STATIC_LIBRARIES})
else()
message(STATUS "Using system SDL2 (pkg-config, dynamic)")
target_compile_options(CSE2 PRIVATE ${sdl2_CFLAGS})
target_link_libraries(CSE2 PRIVATE ${sdl2_LIBRARIES})
endif()
elseif(TARGET SDL2::SDL2)
# CMake-generated config (Arch, vcpkg, Raspbian) # CMake-generated config (Arch, vcpkg, Raspbian)
message(STATUS "Using system SDL2 (CMake, dynamic)") message(STATUS "Using system SDL2 (CMake, dynamic)")
target_link_libraries(CSE2 PRIVATE SDL2::SDL2 SDL2::SDL2main) target_link_libraries(CSE2 PRIVATE SDL2::SDL2 SDL2::SDL2main)
@ -401,10 +425,25 @@ endif()
if(NOT FORCE_LOCAL_LIBS) if(NOT FORCE_LOCAL_LIBS)
find_package(Freetype) find_package(Freetype)
if (PKG_CONFIG_FOUND)
pkg_check_modules(freetype2 QUIET freetype2)
endif()
endif() endif()
if(FREETYPE_FOUND) if(freetype2_FOUND)
message(STATUS "Using system FreeType") # pkg-config
if (STATIC_LINKAGE)
message(STATUS "Using system FreeType (pkg-config, static)")
target_compile_options(CSE2 PRIVATE ${freetype2_STATIC_CFLAGS})
target_link_libraries(CSE2 PRIVATE ${freetype2_STATIC_LIBRARIES})
else()
message(STATUS "Using system FreeType (pkg-config, dynamic)")
target_compile_options(CSE2 PRIVATE ${freetype2_CFLAGS})
target_link_libraries(CSE2 PRIVATE ${freetype2_LIBRARIES})
endif()
elseif(FREETYPE_FOUND)
message(STATUS "Using system FreeType (CMake)")
target_include_directories(CSE2 PRIVATE ${FREETYPE_INCLUDE_DIRS}) target_include_directories(CSE2 PRIVATE ${FREETYPE_INCLUDE_DIRS})
target_link_libraries(CSE2 PRIVATE ${FREETYPE_LIBRARIES}) target_link_libraries(CSE2 PRIVATE ${FREETYPE_LIBRARIES})
else() else()