diff options
| -rw-r--r-- | tools/perf/Makefile.config | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 0f09f30f1906..5700516aa84a 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -23,8 +23,39 @@ HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) # borrowed from kernel headers depends on it, e.g. put_unaligned_*(). CFLAGS += -fno-strict-aliasing -# Enabled Wthread-safety analysis for clang builds. +# Set target flag and options when using clang as compiler. ifeq ($(CC_NO_CLANG), 0) + CLANG_TARGET_FLAGS_arm := arm-linux-gnueabi + CLANG_TARGET_FLAGS_arm64 := aarch64-linux-gnu + CLANG_TARGET_FLAGS_m68k := m68k-linux-gnu + CLANG_TARGET_FLAGS_mips := mipsel-linux-gnu + CLANG_TARGET_FLAGS_powerpc := powerpc64le-linux-gnu + CLANG_TARGET_FLAGS_riscv := riscv64-linux-gnu + CLANG_TARGET_FLAGS_s390 := s390x-linux-gnu + CLANG_TARGET_FLAGS_x86 := x86_64-linux-gnu + CLANG_TARGET_FLAGS_x86_64 := x86_64-linux-gnu + + # Default to host architecture if ARCH is not explicitly given. + ifeq ($(ARCH), $(HOSTARCH)) + CLANG_TARGET_FLAGS := $(shell $(CLANG) -print-target-triple) + else + CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(ARCH)) + endif + + ifeq ($(CROSS_COMPILE),) + ifeq ($(CLANG_TARGET_FLAGS),) + $(error Specify CROSS_COMPILE or add CLANG_TARGET_FLAGS for $(ARCH)) + else + CLANG_FLAGS += --target=$(CLANG_TARGET_FLAGS) + endif # CLANG_TARGET_FLAGS + else + CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%)) + endif # CROSS_COMPILE + + CC := $(CLANG) $(CLANG_FLAGS) -fintegrated-as + CXX := $(CXX) $(CLANG_FLAGS) -fintegrated-as + + # Enabled Wthread-safety analysis for clang builds. CFLAGS += -Wthread-safety endif |