Miroirs/wipeout-rewrite
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CMake build fixes/improvements

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- Add options for PATH_(ASSETS/USERDATA).
- Introduce the concept of a "dev" build, which sets the assets/userdata
  path to the source directory.
- Error early for in-tree builds to avoid clobbering the Makefile.
- Enhance GLVND detection to allow use on FreeBSD.
- Only link Sokol-specific libraries on Linux if building for Unix.
- Fix GLES2 support not being picked up.
This commit is contained in:
Stephen Gregoratto 2023-09-07 18:22:01 +10:00
parent 0594285013
commit e6238b97fc
1 changed files with 23 additions and 6 deletions
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29
CMakeLists.txt
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@ -1,6 +1,10 @@
cmake_minimum_required(VERSION 3.13 FATAL_ERROR)
project(wipeout-rewrite)
if("${PROJECT_SOURCE_DIR}" STREQUAL "${PROJECT_BINARY_DIR}")
message(FATAL_ERROR "In-tree builds are not allowed.")
endif()
include(GNUInstallDirs)
include(CMakeDependentOption)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
@ -17,18 +21,27 @@ if(NOT PLATFORM IN_LIST platform_options)
endif()
set(renderer_options "GL" "GLES2" "SOFTWARE")
set(gl_renderers "GL" "GLES2")
set(RENDERER "GL" CACHE STRING "Graphics rendering backend")
set_property(CACHE RENDERER PROPERTY STRINGS "${renderer_options}")
if(NOT RENDERER IN_LIST renderer_options)
message(FATAL_ERROR "RENDERER must be one of ${renderer_options}")
endif()
if(RENDERER IN_LIST gl_renderers)
if("${RENDERER}" MATCHES "GL(ES2)?")
set(using_gl true)
endif()
if("${CMAKE_SYSTEM_NAME}" MATCHES "(Linux|FreeBSD)")
set(has_glvnd true)
endif()
cmake_dependent_option(USE_GLVND "Link against modern GLVND ABIs" OFF "using_gl;LINUX" ON)
cmake_dependent_option(USE_GLVND "Link against modern GLVND ABIs" ON "using_gl;has_glvnd" OFF)
cmake_dependent_option(MINIMAL_BUNDLE "Do not include music/movies for web builds" OFF "EMSCRIPTEN" OFF)
option(PATH_ASSETS "Path to where the game assets should be located.")
option(PATH_USERDATA "Path to where user data (e.g. game saves) should be located.")
option(DEV_BUILD "Set asset/userdata paths to the source directory for testing" OFF)
if (DEV_BUILD)
set(PATH_ASSETS "${CMAKE_SOURCE_DIR}/")
set(PATH_USERDATA "${CMAKE_SOURCE_DIR}/")
endif()
find_package(OpenGL)
find_package(GLEW)
@ -102,6 +115,10 @@ target_compile_options(wipeout PRIVATE
$<$<CXX_COMPILER_ID:MSVC>:/W4>
$<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wall -Wextra>
)
target_compile_definitions(wipeout PRIVATE
$<$<BOOL:${PATH_ASSETS}>:-DPATH_ASSETS=${PATH_ASSETS}>
$<$<BOOL:${PATH_USERDATA}>:-DPATH_USERDATA=${PATH_USERDATA}>
)
if(WIN32)
target_compile_definitions(wipeout PRIVATE
@ -131,7 +148,7 @@ elseif(EMSCRIPTEN)
if (NOT TARGET SDL2::Main)
add_library(SDL2::Main INTERFACE IMPORTED)
endif()
set_target_properties(OpenGL::GL PROPERTIES
set_target_properties(OpenGL::GL PROPERTIES
IMPORTED_LIBNAME "GL"
)
set_target_properties(GLEW::GLEW PROPERTIES
@ -159,7 +176,7 @@ elseif(EMSCRIPTEN)
configure_file("${CMAKE_SOURCE_DIR}/src/wasm-index.html" "game.html" COPYONLY)
elseif(UNIX)
target_link_libraries(wipeout PUBLIC m)
if ("${PLATFORM}" STREQUAL "SOKOL" AND UNIX)
if ("${PLATFORM}" STREQUAL "SOKOL" AND "${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
find_package(Threads REQUIRED)
find_package(X11 REQUIRED)
find_package(ALSA REQUIRED)
@ -179,7 +196,7 @@ if(using_gl)
target_sources(wipeout PRIVATE src/render_gl.c)
target_include_directories(wipeout PUBLIC ${OPENGL_INCLUDE_DIR})
if (USE_GLES2)
if ("${RENDERER}" STREQUAL "GLES2")
target_compile_definitions(wipeout PRIVATE "USE_GLES2")
if (TARGET OpenGL::GLES2)
target_link_libraries(wipeout PUBLIC OpenGL::GLES2)