Daniel Bristot de Oliveira 02afaeb6c5 tools/rtla: Fix Makefile compiler options for clang ... commit bc4cbc9d26 upstream. The following errors are showing up when compiling rtla with clang: $ make HOSTCC=clang CC=clang LLVM_IAS=1 [...] clang -O -g -DVERSION=\"6.8.0-rc1\" -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong -fasynchronous-unwind-tables -fstack-clash-protection -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized $(pkg-config --cflags libtracefs) -c -o src/utils.o src/utils.c clang: warning: optimization flag '-ffat-lto-objects' is not supported [-Wignored-optimization-argument] warning: unknown warning option '-Wno-maybe-uninitialized'; did you mean '-Wno-uninitialized'? [-Wunknown-warning-option] 1 warning generated. clang -o rtla -ggdb src/osnoise.o src/osnoise_hist.o src/osnoise_top.o src/rtla.o src/timerlat_aa.o src/timerlat.o src/timerlat_hist.o src/timerlat_top.o src/timerlat_u.o src/trace.o src/utils.o $(pkg-config --libs libtracefs) src/osnoise.o: file not recognized: file format not recognized clang: error: linker command failed with exit code 1 (use -v to see invocation) make: *** [Makefile:110: rtla] Error 1 Solve these issues by: - removing -ffat-lto-objects and -Wno-maybe-uninitialized if using clang - informing the linker about -flto=auto Link: https://lore.kernel.org/linux-trace-kernel/567ac1b94effc228ce9a0225b9df7232a9b35b55.1707217097.git.bristot@kernel.org Cc: stable@vger.kernel.org Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Bill Wendling <morbo@google.com> Cc: Justin Stitt <justinstitt@google.com> Fixes: 1a7b22ab15 ("tools/rtla: Build with EXTRA_{C,LD}FLAGS") Suggested-by: Donald Zickus <dzickus@redhat.com> Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2024-02-23 09:25:15 +01:00
..
accounting
arch	work around gcc bugs with 'asm goto' with outputs	2024-02-23 09:24:47 +01:00
bootconfig
bpf	bpftool: Align output skeleton ELF code	2024-01-10 17:16:54 +01:00
build	perf cs-etm: Bump minimum OpenCSD version to ensure a bugfix is present	2024-02-05 20:14:31 +00:00
certs
cgroup
counter
crypto/ccp	crypto: ccp - Fix some unfused tests	2023-11-20 11:59:18 +01:00
debugging
edid
firewire
firmware
gpio
hv	hv/hv_kvp_daemon: Some small fixes for handling NM keyfiles	2023-12-03 07:33:02 +01:00
iio	tools: iio: iio_generic_buffer ensure alignment	2023-11-20 11:59:26 +01:00
include	work around gcc bugs with 'asm goto' with outputs	2024-02-23 09:24:47 +01:00
kvm/kvm_stat
laptop
leds
lib	libsubcmd: Fix memory leak in uniq()	2024-02-05 20:14:32 +00:00
memory-model
mm	tools/mm: fix undefined reference to pthread_once	2023-09-05 10:13:45 -07:00
net/ynl	netlink: specs: devlink: fix reply command values	2023-10-13 17:27:27 -07:00
objtool	cred: get rid of CONFIG_DEBUG_CREDENTIALS	2023-12-20 17:01:51 +01:00
pci
pcmcia
perf	perf evlist: Fix evlist__new_default() for > 1 core PMU	2024-02-16 19:10:42 +01:00
power	PM: tools: Fix sleepgraph syntax error	2023-12-03 07:33:04 +01:00
rcu
scripts
spi
testing	selftests: mptcp: add mptcp_lib_kill_wait	2024-02-23 09:25:00 +01:00
thermal
time
tracing	tools/rtla: Fix Makefile compiler options for clang	2024-02-23 09:25:15 +01:00
usb
verification	tools/rv: Fix Makefile compiler options for clang	2024-02-23 09:25:14 +01:00
virtio	tools/virtio: Add dma sync api for virtio test	2023-10-16 05:32:23 -04:00
wmi
workqueue
Makefile