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111 lines
3.1 KiB
CMake
111 lines
3.1 KiB
CMake
include(FindThreads)
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set(PTHREADS_ENABLED FALSE)
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if (CMAKE_USE_PTHREADS_INIT)
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set(PTHREADS_ENABLED TRUE)
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endif()
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if (WIN32 OR "${CMAKE_SYSTEM_NAME}" STREQUAL "CYGWIN")
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add_compile_definitions(PLATFORM_WINDOWS=1)
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set(OS_WINDOWS 1 CACHE INTERNAL "controls config.h macro definition" FORCE)
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# Enable MingW support for RC language (for CMake pre-2.8)
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if (MINGW)
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set(CMAKE_RC_COMPILER_INIT windres)
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set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> <FLAGS> -O coff <DEFINES> -i <SOURCE> -o <OBJECT>")
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endif()
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enable_language(RC)
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if ("${CMAKE_SYSTEM_NAME}" STREQUAL "CYGWIN")
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message(STATUS "Detected cygwin")
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set(PTHREADS_ENABLED TRUE)
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set(WITHOUT_POLL_H TRUE CACHE INTERNAL "Disable using poll.h even if it's available - use windows poll instead fo cygwin's" FORCE)
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endif()
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list(APPEND PLATFORM_SRC
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events_windows.c
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windows_usbdk.c
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windows_common.c
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windows_winusb.c
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threads_windows.c
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)
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if (PTHREADS_ENABLED AND NOT WITHOUT_PTHREADS)
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list(APPEND PLATFORM_SRC threads_posix)
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else()
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list(APPEND PLATFORM_SRC threads_windows.c)
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endif()
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elseif (APPLE)
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# Apple != OSX alone
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add_compile_definitions(PLATFORM_POSIX=1 HAVE_CLOCK_GETTIME)
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set(OS_DARWIN 1 CACHE INTERNAL "controls config.h macro definition" FORCE)
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if ("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
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set(PLATFORM_SRC
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darwin_usb.c
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threads_posix.c
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events_posix.c
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)
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find_package(IOKit REQUIRED)
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list(APPEND LIBUSB_LIBRARIES ${IOKit_LIBRARIES})
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# Currently only objc_registerThreadWithCollector requires linking against it
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# which is only for MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
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include(CheckCSourceCompiles)
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check_c_source_compiles(
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"#include <AvailabilityMacros.h>
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int main()
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{
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#if !(MAC_OS_X_VERSION_MIN_REQUIRED >= 1060)
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#error \"Don't need objc\"
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#endif
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}
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" NEED_OBJC_REGISTER_THREAD_WITH_COLLECTOR)
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if (NEED_OBJC_REGISTER_THREAD_WITH_COLLECTOR)
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find_library(LIBOBJC objc)
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if (NOT LIBOBJC)
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message(SEND_ERROR "Need objc library but can't find it")
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else()
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list(APPEND LIBUSB_LIBRARIES ${LIBOBJC})
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endif()
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endif()
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endif()
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elseif (UNIX)
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# Unix is for all *NIX systems including OSX
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add_compile_definitions(PLATFORM_POSIX=1 HAVE_CLOCK_GETTIME)
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if ("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
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set(OS_LINUX 1 CACHE INTERNAL "controls config.h macro definition" FORCE)
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set(PLATFORM_SRC
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linux_usbfs.c
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linux_netlink.c
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threads_posix.c
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events_posix.c
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)
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list(APPEND LIBUSB_LIBRARIES rt)
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endif()
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endif()
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if (NOT PLATFORM_SRC)
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message(FATAL_ERROR "Unsupported platform ${CMAKE_SYSTEM_NAME}. Currently only support Windows, OSX, & Linux.")
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endif()
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# the paths are relative to this directory but used in the parent directory,
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# so we have to adjust the paths
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foreach(SRC IN LISTS PLATFORM_SRC)
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list(APPEND LIBUSB_PLATFORM ${LIBUSB_SOURCE_DIR}/libusb/os/${SRC})
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endforeach()
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# export one level up so that the generic
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# libusb parts know what the platform bits are supposed to be
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set(LIBUSB_PLATFORM ${LIBUSB_PLATFORM} PARENT_SCOPE)
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set(LIBUSB_LIBRARIES ${LIBUSB_LIBRARIES} PARENT_SCOPE)
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if (WITHOUT_PTHREADS)
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set(PTHREADS_ENABLED FALSE)
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endif()
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set(THREADS_POSIX ${PTHREADS_ENABLED} CACHE INTERNAL "use pthreads" FORCE)
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