Commit d0d0f0c1 authored by Ian Rogers's avatar Ian Rogers Committed by Arnaldo Carvalho de Melo
Browse files

tools: Bump minimum LLVM C++ std to GNU++14 



LLVM 9 (current release is LLVM 13) moved the minimum C++ version to
GNU++14. Bump the version numbers in the feature test and perf build.

Reviewed-by: default avatarFangrui Song <maskray@google.com>
Signed-off-by: default avatarIan Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sedat Dilek <sedat.dilek@gmail.com>
Cc: llvm@lists.linux.dev
Link: https://lore.kernel.org/r/20211012021321.291635-1-irogers@google.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 6ac22d03

tools/build/feature/Makefile

+3 −3
Original line number Diff line number Diff line
@@ -300,7 +300,7 @@ $(OUTPUT)test-jvmti-cmlr.bin: 
	$(BUILD)



$(OUTPUT)test-llvm.bin:

	$(BUILDXX) -std=gnu++11 				\

	$(BUILDXX) -std=gnu++14 				\

		-I$(shell $(LLVM_CONFIG) --includedir) 		\

		-L$(shell $(LLVM_CONFIG) --libdir)		\

		$(shell $(LLVM_CONFIG) --libs Core BPF)		\
@@ -308,12 +308,12 @@ $(OUTPUT)test-llvm.bin: 
		> $(@:.bin=.make.output) 2>&1



$(OUTPUT)test-llvm-version.bin:

	$(BUILDXX) -std=gnu++11 				\

	$(BUILDXX) -std=gnu++14					\

		-I$(shell $(LLVM_CONFIG) --includedir)		\

		> $(@:.bin=.make.output) 2>&1



$(OUTPUT)test-clang.bin:

	$(BUILDXX) -std=gnu++11 				\

	$(BUILDXX) -std=gnu++14					\

		-I$(shell $(LLVM_CONFIG) --includedir) 		\

		-L$(shell $(LLVM_CONFIG) --libdir)		\

		-Wl,--start-group -lclangBasic -lclangDriver	\

tools/perf/Makefile.config

+1 −1
Original line number Diff line number Diff line
@@ -285,7 +285,7 @@ CORE_CFLAGS += -Wall 
CORE_CFLAGS += -Wextra

CORE_CFLAGS += -std=gnu99



CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti

CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti

CXXFLAGS += -Wall

CXXFLAGS += -fno-omit-frame-pointer

CXXFLAGS += -ggdb3