Hello,
I am trying to build samples/bpf in kernel(5.2.0-rc1) but unsuccessful
with below errors. Can you help to point what i am missing or if there
is some known issue?
==============================8<===================================
$ make samples/bpf/
LLC=/local/mnt/workspace/tools/clang_ubuntu/clang/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-14.04/bin/llc
CLANG=/local/mnt/workspace/tools/clang_ubuntu/clang/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang
V=1
make -C /local/mnt/workspace/sramana/kdev_torvalds/kdev/kernel -f
/local/mnt/workspace/sramana/kdev_torvalds/kdev/kernel/Makefile samples/bpf/
................
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make KBUILD_MODULES=1 -f ./scripts/Makefile.build obj=samples/bpf
(cat /dev/null; ) > samples/bpf/modules.order
make -C
/local/mnt/workspace/sramana/kdev_torvalds/kdev/kernel/samples/bpf/../../tools/lib/bpf/
RM='rm -rf' LDFLAGS=
srctree=/local/mnt/workspace/sramana/kdev_torvalds/kdev/kernel/samples/bpf/../../
O=
Auto-detecting system features:
... libelf: [ on ]
... bpf: [ on ]
make -C
/local/mnt/workspace/sramana/kdev_torvalds/kdev/kernel/samples/bpf/../..//tools/build
CFLAGS= LDFLAGS= fixdep
make -f
/local/mnt/workspace/sramana/kdev_torvalds/kdev/kernel/samples/bpf/../..//tools/build/Makefile.build
dir=. obj=fixdep
ld -r -o fixdep-in.o fixdep.o
ld: fixdep.o: Relocations in generic ELF (EM: 183)
ld: fixdep.o: Relocations in generic ELF (EM: 183)
fixdep.o: error adding symbols: File in wrong format
make[5]: *** [fixdep-in.o] Error 1
make[4]: *** [fixdep-in.o] Error 2
make[3]: *** [fixdep] Error 2
make[2]: ***
[/local/mnt/workspace/sramana/kdev_torvalds/kdev/kernel/samples/bpf/../../tools/lib/bpf/libbpf.a]
Error 2
make[1]: *** [samples/bpf/] Error 2
make: *** [sub-make] Error 2
==============================>8=======================================
I am using the below commands to build:
========================================================
export ARCH=arm64
export CROSS_COMPILE=<path>linaro-toolchain/5.1/bin/aarch64-linux-gnu-
export CLANG_TRIPLE=arm64-linux-gnu-
make
CC=<path>/clang_ubuntu/clang/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang
defconfig
make
CC=<path>/clang_ubuntu/clang/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang
-j8
make
CC=<path>/clang_ubuntu/clang/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang
headers_install INSTALL_HDR_PATH=./usr
make samples/bpf/
LLC=<path>/clang_ubuntu/clang/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-14.04/bin/llc
CLANG=<path>/clang_ubuntu/clang/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang
V=1
CC=<path>/clang_ubuntu/clang/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang
========================================================
Thanks,
-- Srinivas R
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