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Refactoring for libusb detection
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@Nightwalker-87
Nightwalker-87 committed Apr 7, 2020
1 parent be6aafd commit a8c1f41
Showing 1 changed file with 106 additions and 113 deletions.
219 changes: 106 additions & 113 deletions cmake/modules/FindLibUSB.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -6,139 +6,132 @@
# LIBUSB_LIBRARY - The libraries needed to use libusb
# LIBUSB_DEFINITIONS - Compiler switches required for using libusb

if (NOT (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")) # all OS apart from FreeBSD
FIND_PATH(
LIBUSB_INCLUDE_DIR NAMES libusb.h
HINTS /usr /usr/local /opt
PATH_SUFFIXES libusb-1.0
)
endif ()

if (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") # FreeBSD
FIND_PATH(LIBUSB_INCLUDE_DIR NAMES libusb.h
HINTS
/usr/include
)
else () # other OS
FIND_PATH(LIBUSB_INCLUDE_DIR NAMES libusb.h
HINTS
/usr
/usr/local
/opt
PATH_SUFFIXES libusb-1.0
)
endif()
if (APPLE) # macOS
set(LIBUSB_NAME libusb-1.0.a)
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS /usr /usr/local /opt
)

elseif (MINGW OR MSYS) # Windows with MinGW or MSYS
set(LIBUSB_NAME usb-1.0)

# macOS
if (APPLE)
set(LIBUSB_NAME libusb-1.0.a)
elseif(MSYS OR MINGW)
set(LIBUSB_NAME usb-1.0)
elseif(MSVC)
set(LIBUSB_NAME libusb-1.0.lib)
elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
set(LIBUSB_NAME usb)
else()
set(LIBUSB_NAME usb-1.0)
endif()
if (CMAKE_SIZEOF_VOID_P EQUAL 8) # 64-bit
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS ${LIBUSB_WIN_OUTPUT_FOLDER}/MinGW64/static
NO_DEFAULT_PATH
NO_CMAKE_FIND_ROOT_PATH
)
else () # 32-bit
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS ${LIBUSB_WIN_OUTPUT_FOLDER}/MinGW32/static
NO_DEFAULT_PATH
NO_CMAKE_FIND_ROOT_PATH
)
endif ()

if (MSYS OR MINGW)
if (CMAKE_SIZEOF_VOID_P EQUAL 8)
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS ${LIBUSB_WIN_OUTPUT_FOLDER}/MinGW64/static)
else ()
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS ${LIBUSB_WIN_OUTPUT_FOLDER}/MinGW32/static)
endif ()
elseif (MSVC)
if (CMAKE_SIZEOF_VOID_P EQUAL 8)
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS ${LIBUSB_WIN_OUTPUT_FOLDER}/MS64/dll)
else ()
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS ${LIBUSB_WIN_OUTPUT_FOLDER}/MS32/dll)
endif ()
else()
find_library(LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS
/usr
/usr/local
/opt)
endif ()
elseif (MSVC) # Windows with MSVC
set(LIBUSB_NAME libusb-1.0.lib)
if (CMAKE_SIZEOF_VOID_P EQUAL 8) # 64-bit
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS ${LIBUSB_WIN_OUTPUT_FOLDER}/MS64/dll
NO_DEFAULT_PATH
NO_CMAKE_FIND_ROOT_PATH
)
else () # 32-bit
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS ${LIBUSB_WIN_OUTPUT_FOLDER}/MS32/dll
NO_DEFAULT_PATH
NO_CMAKE_FIND_ROOT_PATH
)
endif ()

elseif (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") # FreeBSD
# libusb is integrated into FreeBSD
FIND_PATH(
LIBUSB_INCLUDE_DIR NAMES libusb.h
HINTS /usr/include
)

set(LIBUSB_NAME usb)
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS /usr /usr/local /opt
)

else () # all other OS
set(LIBUSB_NAME usb-1.0)
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS /usr /usr/local /opt
)
endif()

include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Libusb DEFAULT_MSG LIBUSB_LIBRARY LIBUSB_INCLUDE_DIR)

mark_as_advanced(LIBUSB_INCLUDE_DIR LIBUSB_LIBRARY)

if(NOT LIBUSB_FOUND)
if(WIN32 OR MSVC OR MINGW OR MSYS)
find_package(7Zip REQUIRED)
if (NOT LIBUSB_FOUND)
if (WIN32 OR MINGW OR MSYS OR MSVC) # Windows

set(LIBUSB_WIN_VERSION 1.0.23)
# Preparations for installing libusb library
find_package(7Zip REQUIRED)
set(LIBUSB_WIN_VERSION 1.0.23) # set libusb version to 1.0.23 (latest as of Apr 2020)
set(LIBUSB_WIN_ARCHIVE libusb-${LIBUSB_WIN_VERSION}.7z)
set(LIBUSB_WIN_ARCHIVE_PATH ${CMAKE_BINARY_DIR}/${LIBUSB_WIN_ARCHIVE})
set(LIBUSB_WIN_OUTPUT_FOLDER ${CMAKE_BINARY_DIR}/3rdparty/libusb-${LIBUSB_WIN_VERSION})

if(EXISTS ${LIBUSB_WIN_ARCHIVE_PATH})
# Get libusb package
if (EXISTS ${LIBUSB_WIN_ARCHIVE_PATH}) # ... should the package be already there (for whatever reason)
message(STATUS "libusb archive already in build folder")
else()
else () # ... download the package (1.0.23 as of Apr 2020)
message(STATUS "downloading libusb ${LIBUSB_WIN_VERSION}")
file(DOWNLOAD
https://sourceforge.net/projects/libusb/files/libusb-1.0/libusb-${LIBUSB_WIN_VERSION}/libusb-${LIBUSB_WIN_VERSION}.7z/download
${LIBUSB_WIN_ARCHIVE_PATH}
EXPECTED_MD5 cf3d38d2ff053ef343d10c0b8b0950c2
)
endif()
${LIBUSB_WIN_ARCHIVE_PATH} EXPECTED_MD5 cf3d38d2ff053ef343d10c0b8b0950c2
)
endif ()

file(MAKE_DIRECTORY ${LIBUSB_WIN_OUTPUT_FOLDER})

if(${ZIP_EXECUTABLE} MATCHES "p7zip")
#execute_process(COMMAND ${ZIP_EXECUTABLE} -d --keep -f ${LIBUSB_WIN_ARCHIVE_PATH} WORKING_DIRECTORY ${LIBUSB_WIN_OUTPUT_FOLDER})
execute_process(COMMAND ${ZIP_EXECUTABLE} -d ${LIBUSB_WIN_ARCHIVE_PATH} WORKING_DIRECTORY ${LIBUSB_WIN_OUTPUT_FOLDER})
else()
execute_process(COMMAND ${ZIP_EXECUTABLE} x -y ${LIBUSB_WIN_ARCHIVE_PATH} -o${LIBUSB_WIN_OUTPUT_FOLDER})
endif()
# Extract libusb package
if (${ZIP_EXECUTABLE} MATCHES "p7zip")
execute_process(
COMMAND ${ZIP_EXECUTABLE} -d ${LIBUSB_WIN_ARCHIVE_PATH}
WORKING_DIRECTORY ${LIBUSB_WIN_OUTPUT_FOLDER}
)
else ()
execute_process(
COMMAND ${ZIP_EXECUTABLE} x -y ${LIBUSB_WIN_ARCHIVE_PATH} -o ${LIBUSB_WIN_OUTPUT_FOLDER}
)
endif ()

FIND_PATH(LIBUSB_INCLUDE_DIR NAMES libusb.h
HINTS ${LIBUSB_WIN_OUTPUT_FOLDER}/include
PATH_SUFFIXES libusb-1.0
NO_DEFAULT_PATH
NO_CMAKE_FIND_ROOT_PATH
)
# Find path to libusb library
FIND_PATH(
LIBUSB_INCLUDE_DIR NAMES libusb.h
HINTS ${LIBUSB_WIN_OUTPUT_FOLDER}/include
PATH_SUFFIXES libusb-1.0
NO_DEFAULT_PATH
NO_CMAKE_FIND_ROOT_PATH
)

if (MSYS OR MINGW)
if (CMAKE_SIZEOF_VOID_P EQUAL 8)
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS ${LIBUSB_WIN_OUTPUT_FOLDER}/MinGW64/static
NO_DEFAULT_PATH
NO_CMAKE_FIND_ROOT_PATH
)
else ()
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS ${LIBUSB_WIN_OUTPUT_FOLDER}/MinGW32/static
NO_DEFAULT_PATH
NO_CMAKE_FIND_ROOT_PATH
)
endif ()
elseif(MSVC)
if (CMAKE_SIZEOF_VOID_P EQUAL 8)
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS ${LIBUSB_WIN_OUTPUT_FOLDER}/MS64/dll
NO_DEFAULT_PATH
NO_CMAKE_FIND_ROOT_PATH
)
else ()
find_library(
LIBUSB_LIBRARY NAMES ${LIBUSB_NAME}
HINTS ${LIBUSB_WIN_OUTPUT_FOLDER}/MS32/dll
NO_DEFAULT_PATH
NO_CMAKE_FIND_ROOT_PATH
)
endif ()
endif ()
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Libusb DEFAULT_MSG LIBUSB_LIBRARY LIBUSB_INCLUDE_DIR)
endif()
else()
message(STATUS "found USB")
endif()
message(STATUS "installed libusb library")
else () # all other OS
message(FATAL_ERROR "libusb library not found on your system! Compilation terminated.")
endif ()
else (NOT LIBUSB_FOUND)
message(STATUS "found libusb library")
endif ()

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