diff options
| author | Jan Beich <jbeich@FreeBSD.org> | 2020-07-07 10:13:15 +0000 |
|---|---|---|
| committer | Jan Beich <jbeich@FreeBSD.org> | 2020-07-07 10:13:18 +0000 |
| commit | 2af7e40ce698eab25ac44cd492e7546e1010f16a (patch) | |
| tree | 68123a630e1c44f0fb6427d882bade62f2a66d9c /CMakeLists.txt | |
| parent | 1db10b8f4c72a9768122e16c6a69f760a9ff244e (diff) | |
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)
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 27383bce8..cd40e5cfe 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -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. |