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Merge pull request #8 from bradms/master

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SDL2 downloaded from the web
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Noel Berry 2021-03-23 15:45:37 -07:00 committed by GitHub
commit 88ce95c411
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1 changed files with 41 additions and 9 deletions
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50
CMakeLists.txt
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@ -46,8 +46,8 @@ add_library(blah
src/math/rectI.cpp
src/math/stopwatch.cpp
src/math/vec2.cpp
src/streams/bufferstream.cpp
src/streams/bufferstream.cpp
src/streams/filestream.cpp
src/streams/memorystream.cpp
src/streams/stream.cpp
@ -59,7 +59,7 @@ add_library(blah
src/internal/platform_backend_win32.cpp
)
target_include_directories(blah
target_include_directories(blah
PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
PRIVATE
@ -76,12 +76,15 @@ set(LIBS "")
# use the OpenGL Graphics Backend
if (GRAPHICS_OPENGL)
add_compile_definitions(BLAH_GRAPHICS_OPENGL)
# use the D3D11 Graphics Backend
elseif (GRAPHICS_D3D11)
add_compile_definitions(BLAH_GRAPHICS_D3D11)
set(LIBS ${LIBS} d3d11.lib dxguid.lib D3Dcompiler.lib)
endif()
# use the SDL2 Platform Backend
@ -89,20 +92,49 @@ endif()
if (PLATFORM_SDL2)
add_compile_definitions(BLAH_PLATFORM_SDL2)
if (${CMAKE_SYSTEM_NAME} MATCHES "Emscripten")
# Emscripten can import SDL2 directly
if (EMSCRIPTEN)
set_target_properties(blah PROPERTIES COMPILE_FLAGS "-s USE_SDL=2")
else()
if (NOT DEFINED SDL2_INCLUDE_DIRS OR NOT DEFINED SDL2_LIBRARIES)
find_package(SDL2 REQUIRED)
# Load SDL2 Normally
else()
# Try to find SDL2
if (DEFINED SDL2_LIBRARIES AND DEFINED SDL2_INCLUDE_DIRS)
set(SDL2_FOUND true)
else()
find_package(SDL2 QUIET)
endif()
target_include_directories(blah PUBLIC "$<BUILD_INTERFACE:${SDL2_INCLUDE_DIRS}>")
# If CMake cannot find SDL2 library, then it gets downloaded and compiled that way
if (NOT ${SDL2_FOUND})
include(FetchContent)
FetchContent_Declare(
SDL2
GIT_REPOSITORY https://github.com/libsdl-org/SDL
GIT_TAG release-2.0.14 # grab latest stable release
)
FetchContent_GetProperties(SDL2)
if (NOT sdl2_POPULATED)
FetchContent_Populate(SDL2)
add_subdirectory(${sdl2_SOURCE_DIR} ${sdl2_BINARY_DIR})
endif()
endif()
# Add Library and Include Dirs
set(LIBS ${LIBS} ${SDL2_LIBRARIES})
endif()
target_include_directories(blah PUBLIC ${SDL2_INCLUDE_DIRS})
endif()
# use the Win32 Platform Backend
elseif (PLATFORM_WIN32)
add_compile_definitions(BLAH_PLATFORM_WIN32)
endif()
target_link_libraries(blah PUBLIC ${LIBS})