Use pkg-config to retrieve libusb dependencies such as -latomic and
avoid the following static build failure:
/nvmedata/autobuild/instance-29/output-1/per-package/libftdi1/host/bin/../lib/gcc/sparc-buildroot-linux-uclibc/10.3.0/../../../../sparc-buildroot-linux-uclibc/bin/ld:
/nvmedata/autobuild/instance-29/output-1/per-package/libftdi1/host/sparc-buildroot-linux-uclibc/sysroot/lib/libusb-1.0.a(core.o):
in function `libusb_unref_device':
/nvmedata/autobuild/instance-29/output-1/build/libusb-1.0.25/libusb/core.c:1186:
undefined reference to `__atomic_fetch_add_4'
Fixes:
-
http://autobuild.buildroot.org/results/1ca7cd85ae60ad4797a6d8a83b2fb51d7eab96d9
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@xxxxxxxxx>
---
CMakeLists.txt | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3b0b87c..b7010ed 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,8 +25,16 @@ if(${CMAKE_BUILD_TYPE} STREQUAL Debug)
endif(${CMAKE_BUILD_TYPE} STREQUAL Debug)
# find libusb
-find_package ( USB1 REQUIRED )
-include_directories ( ${LIBUSB_INCLUDE_DIR} )
+find_package( PkgConfig )
+if (PkgConfig_FOUND)
+ pkg_check_modules( LIBUSB libusb-1.0 )
+ if (LIBUSB_FOUND)
+ include_directories ( ${LIBUSB_INCLUDE_DIRS} )
+ else()
+ find_package ( USB1 REQUIRED )
+ include_directories ( ${LIBUSB_INCLUDE_DIR} )
+ endif()
+endif()
# Find Boost
if (FTDIPP OR BUILD_TESTS)
--
2.35.1
--
libftdi - see http://www.intra2net.com/en/developer/libftdi for details.
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