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cmake: Added HIDAPI support.

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This commit is contained in:
Ryan C. Gordon
2019-07-08 16:46:52 -04:00
parent 4df22d812c
commit 66d4d8e25d
3 changed files with 70 additions and 7 deletions
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31
cmake/sdlchecks.cmake
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@@ -1065,6 +1065,37 @@ macro(CheckUSBHID)
endif()
endmacro()
# Check for HIDAPI joystick drivers. This is currently a Unix thing, not Windows or macOS!
macro(CheckHIDAPI)
if(HIDAPI)
if(HIDAPI_SKIP_LIBUSB)
set(HAVE_HIDAPI TRUE)
else()
set(HAVE_HIDAPI FALSE)
pkg_check_modules(LIBUSB libusb)
if (LIBUSB_FOUND)
check_include_file(libusb.h HAVE_LIBUSB_H)
if (HAVE_LIBUSB_H)
set(HAVE_HIDAPI TRUE)
endif()
endif()
endif()
if(HAVE_HIDAPI)
set(SDL_JOYSTICK_HIDAPI 1)
set(HAVE_SDL_JOYSTICK TRUE)
file(GLOB HIDAPI_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/hidapi/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${HIDAPI_SOURCES})
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${LIBUSB_CFLAGS} -I${SDL2_SOURCE_DIR}/src/hidapi/hidapi")
if(NOT HIDAPI_SKIP_LIBUSB)
set(SOURCE_FILES ${SOURCE_FILES} ${SDL2_SOURCE_DIR}/src/hidapi/libusb/hid.c)
list(APPEND EXTRA_LIBS ${LIBUSB_LIBS})
endif()
endif()
endif()
endmacro()
# Requires:
# - n/a
macro(CheckRPI)