cmake: unbreak system libusb support

Reference libusb doesn't support DragonFly and FreeBSD because those
ship a different libusb implementation (supports 0.1, 1.0, 2.0 API).

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(usbi_alloc_device) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(usbi_alloc_device) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(libusb_has_capability) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(libusb_has_capability) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(libusb_has_capability) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(usbi_connect_device) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(usbi_disconnect_device) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(libusb_get_device_list) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(libusb_get_device_list) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(libusb_unref_device) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(libusb_unref_device) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_write
>>> referenced by core.c
>>>               core.c.o:(usbi_signal_event) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_read
>>> referenced by core.c
>>>               core.c.o:(usbi_clear_event) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(libusb_wrap_sys_device) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(libusb_wrap_sys_device) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(libusb_wrap_sys_device) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(libusb_open) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_backend
>>> referenced by core.c
>>>               core.c.o:(libusb_open) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_read
>>> referenced by core.c
>>>               core.c.o:(libusb_close) in archive externals/libusb/libusb.a

ld: error: undefined symbol: usbi_write
>>> referenced by core.c
>>>               core.c.o:(libusb_close) in archive externals/libusb/libusb.a

ld: error: too many errors emitted, stopping now (use -error-limit=0 to see all errors)
c++: error: linker command failed with exit code 1 (use -v to see invocation)
This commit is contained in:
Jan Beich 2020-07-07 10:13:15 +00:00
parent 1db10b8f4c
commit 2af7e40ce6
2 changed files with 47 additions and 2 deletions

View file

@ -331,8 +331,10 @@ endif()
# Ensure libusb is properly configured (based on dolphin libusb include)
find_package(LibUSB)
add_subdirectory(externals/libusb)
set(LIBUSB_LIBRARIES usb)
if (NOT LIBUSB_FOUND)
add_subdirectory(externals/libusb)
set(LIBUSB_LIBRARIES usb)
endif()
# Prefer the -pthread flag on Linux.

43
externals/find-modules/FindLibUSB.cmake vendored Normal file
View file

@ -0,0 +1,43 @@
# - Find libusb-1.0 library
# This module defines
# LIBUSB_INCLUDE_DIR, where to find bluetooth.h
# LIBUSB_LIBRARIES, the libraries needed to use libusb-1.0.
# LIBUSB_FOUND, If false, do not try to use libusb-1.0.
#
# Copyright (c) 2009, Michal Cihar, <michal@cihar.com>
#
# vim: expandtab sw=4 ts=4 sts=4:
if(ANDROID)
set(LIBUSB_FOUND FALSE CACHE INTERNAL "libusb-1.0 found")
message(STATUS "libusb-1.0 not found.")
elseif (NOT LIBUSB_FOUND)
pkg_check_modules (LIBUSB_PKG libusb-1.0)
find_path(LIBUSB_INCLUDE_DIR NAMES libusb.h
PATHS
${LIBUSB_PKG_INCLUDE_DIRS}
/usr/include/libusb-1.0
/usr/include
/usr/local/include/libusb-1.0
/usr/local/include
)
find_library(LIBUSB_LIBRARIES NAMES usb-1.0 usb
PATHS
${LIBUSB_PKG_LIBRARY_DIRS}
/usr/lib
/usr/local/lib
)
if(LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
set(LIBUSB_FOUND TRUE CACHE INTERNAL "libusb-1.0 found")
message(STATUS "Found libusb-1.0: ${LIBUSB_INCLUDE_DIR}, ${LIBUSB_LIBRARIES}")
else(LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
set(LIBUSB_FOUND FALSE CACHE INTERNAL "libusb-1.0 found")
message(STATUS "libusb-1.0 not found.")
endif(LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
mark_as_advanced(LIBUSB_INCLUDE_DIR LIBUSB_LIBRARIES)
endif ()