Ongoing work for asm goto support from clang requires the -no-integrated-as compiler flag.
This compiler flag is present in the toplevel kernel Makefile, but is not replicated for selftests. Add it specifically for the rseq selftest which requires asm goto. Link: https://reviews.llvm.org/D56571 Signed-off-by: Mathieu Desnoyers <[email protected]> CC: Nick Desaulniers <[email protected]> CC: Thomas Gleixner <[email protected]> CC: Joel Fernandes <[email protected]> CC: Peter Zijlstra <[email protected]> CC: Catalin Marinas <[email protected]> CC: Dave Watson <[email protected]> CC: Will Deacon <[email protected]> CC: Shuah Khan <[email protected]> CC: Andi Kleen <[email protected]> CC: [email protected] CC: "H . Peter Anvin" <[email protected]> CC: Chris Lameter <[email protected]> CC: Russell King <[email protected]> CC: Michael Kerrisk <[email protected]> CC: "Paul E . McKenney" <[email protected]> CC: Paul Turner <[email protected]> CC: Boqun Feng <[email protected]> CC: Josh Triplett <[email protected]> CC: Steven Rostedt <[email protected]> CC: Ben Maurer <[email protected]> CC: [email protected] CC: Andy Lutomirski <[email protected]> CC: Andrew Morton <[email protected]> CC: Linus Torvalds <[email protected]> --- tools/testing/selftests/rseq/Makefile | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/rseq/Makefile b/tools/testing/selftests/rseq/Makefile index c30c52e1d0d2..d6469535630a 100644 --- a/tools/testing/selftests/rseq/Makefile +++ b/tools/testing/selftests/rseq/Makefile @@ -1,5 +1,11 @@ # SPDX-License-Identifier: GPL-2.0+ OR MIT -CFLAGS += -O2 -Wall -g -I./ -I../../../../usr/include/ -L./ -Wl,-rpath=./ + +ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),) +CLANG_FLAGS += -no-integrated-as +endif + +CFLAGS += -O2 -Wall -g -I./ -I../../../../usr/include/ -L./ -Wl,-rpath=./ \ + $(CLANG_FLAGS) LDLIBS += -lpthread # Own dependencies because we only want to build against 1st prerequisite, but -- 2.11.0
