[Buildroot] [PATCH 1/1] package/libusb: compile with -fPIC when BR2_PIC_PIE is set
Ankur Tyagi
ankur.tyagi at gallagher.com
Tue Sep 28 22:50:45 UTC 2021
Otherwise build fails with following error:
Toolchain wrapper executing: '/tools/arm-unknown-linux-gnueabi/bin//arm-unknown-linux-gnueabi-gcc' '--sysroot' '/home/user/work/buildroot/output/host/arm-buildroot-linux-gnueabi/sysroot' '-mabi=aapcs-linux' '-msoft-float' '-marm' '-fstack-protector-strong' '-march=armv5te' '-msoft-float' '-mfpu=vfp' '-mfloat-abi=soft' '-mcpu=arm926ej-s' '-fPIE' '-Wl,-z,now' '-Wl,-z,relro' '-shared' '.libs/core.o' '.libs/descriptor.o' '.libs/hotplug.o' '.libs/io.o' '.libs/strerror.o' '.libs/sync.o' 'os/.libs/events_posix.o' 'os/.libs/threads_posix.o' 'os/.libs/linux_usbfs.o' 'os/.libs/linux_netlink.o' '-lpthread' '-pthread' '-Os' '-g2' '-pthread' '-Wl,-soname' '-Wl,libusb-1.0.so.0' '-o' '.libs/libusb-1.0.so.0.3.0'
/tools/arm-unknown-linux-gnueabi/bin/../lib/gcc/arm-unknown-linux-gnueabi/7.3.0/../../../../arm-unknown-linux-gnueabi/bin/ld: os/.libs/threads_posix.o(.text+0x284): R_ARM_TLS_LE32 relocation not permitted in shared object
os/.libs/threads_posix.o: In function `usbi_get_tid':
/home/user/work/buildroot/output/build/libusb-1.0.24/libusb/os/threads_posix.c:129:(.text+0x284): dangerous relocation: unsupported relocation
collect2: error: ld returned 1 exit status
Makefile:584: recipe for target 'libusb-1.0.la' failed
make[4]: *** [libusb-1.0.la] Error 1
Signed-off-by: Ankur Tyagi <ankur.tyagi at gallagher.com>
---
package/libusb/libusb.mk | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/package/libusb/libusb.mk b/package/libusb/libusb.mk
index 28efcadefc..aca1305b2c 100644
--- a/package/libusb/libusb.mk
+++ b/package/libusb/libusb.mk
@@ -34,5 +34,10 @@ endef
LIBUSB_POST_INSTALL_TARGET_HOOKS += LIBUSB_INSTALL_TARGET_EXAMPLES
endif
+ifeq ($(BR2_PIC_PIE),y)
+LIBUSB_CFLAGS += -fPIC
+LIBUSB_CONF_OPTS += --enable-gcc-hardening CFLAGS="$(LIBUSB_CFLAGS)"
+endif
+
$(eval $(autotools-package))
$(eval $(host-autotools-package))
--
2.25.1
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