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-rw-r--r--tools/perf/Makefile.config101
1 files changed, 48 insertions, 53 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 5a5832ee7b53..2dd5f5a60568 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
@@ -323,9 +354,6 @@ FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
FEATURE_CHECK_LDFLAGS-libaio = -lrt
-FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
-FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl
-
CORE_CFLAGS += -fno-omit-frame-pointer
CORE_CFLAGS += -Wall
CORE_CFLAGS += -Wextra
@@ -417,10 +445,6 @@ ifeq ($(feature-eventfd), 1)
CFLAGS += -DHAVE_EVENTFD_SUPPORT
endif
-ifeq ($(feature-get_current_dir_name), 1)
- CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
-endif
-
ifeq ($(feature-gettid), 1)
CFLAGS += -DHAVE_GETTID
endif
@@ -600,13 +624,6 @@ ifndef NO_LIBELF
LIBBPF_INCLUDE = $(LIBBPF_DIR)/..
endif
endif
-
- FEATURE_CHECK_CFLAGS-libbpf-strings="-I$(LIBBPF_INCLUDE)"
- $(call feature_check,libbpf-strings)
- ifeq ($(feature-libbpf-strings), 1)
- $(call detected,CONFIG_LIBBPF_STRINGS)
- CFLAGS += -DHAVE_LIBBPF_STRINGS_SUPPORT
- endif
endif
endif # NO_LIBBPF
endif # NO_LIBELF
@@ -784,15 +801,10 @@ endif
ifndef NO_SLANG
ifneq ($(feature-libslang), 1)
- ifneq ($(feature-libslang-include-subdir), 1)
- $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev)
- NO_SLANG := 1
- else
- CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
- endif
+ $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev)
+ NO_SLANG := 1
endif
ifndef NO_SLANG
- # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
CFLAGS += -DHAVE_SLANG_SUPPORT
EXTLIBS += -lslang
$(call detected,CONFIG_SLANG)
@@ -817,9 +829,7 @@ ifdef GTK2
endif
endif
-ifdef NO_LIBPERL
- CFLAGS += -DNO_LIBPERL
-else
+ifdef LIBPERL
PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
@@ -829,17 +839,13 @@ else
PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
+ $(call feature_check,libperl)
ifneq ($(feature-libperl), 1)
- CFLAGS += -DNO_LIBPERL
- NO_LIBPERL := 1
- $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev)
+ $(error Missing perl devel files. Please install perl-ExtUtils-Embed/libperl-dev)
else
LDFLAGS += $(PERL_EMBED_LDFLAGS)
EXTLIBS += $(PERL_EMBED_LIBADD)
CFLAGS += -DHAVE_LIBPERL_SUPPORT
- ifeq ($(CC_NO_CLANG), 0)
- CFLAGS += -Wno-compound-token-split-by-macro
- endif
$(call detected,CONFIG_LIBPERL)
endif
endif
@@ -921,6 +927,8 @@ ifdef BUILD_NONDISTRO
ifeq ($(feature-libbfd), 1)
EXTLIBS += -lbfd -lopcodes
+ FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
+ FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl
else
# we are on a system that requires -liberty and (maybe) -lz
# to link against -lbfd; test each case individually here
@@ -947,6 +955,7 @@ ifdef BUILD_NONDISTRO
CFLAGS += -DHAVE_LIBBFD_SUPPORT
CXXFLAGS += -DHAVE_LIBBFD_SUPPORT
+ $(call detected,CONFIG_LIBBFD)
$(call feature_check,libbfd-buildid)
@@ -955,6 +964,14 @@ ifdef BUILD_NONDISTRO
else
$(warning Old version of libbfd/binutils things like PE executable profiling will not be available)
endif
+
+ ifeq ($(feature-disassembler-four-args), 1)
+ CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
+ endif
+
+ ifeq ($(feature-disassembler-init-styled), 1)
+ CFLAGS += -DDISASM_INIT_STYLED
+ endif
endif
ifndef NO_LIBLLVM
@@ -1046,14 +1063,6 @@ ifdef HAVE_KVM_STAT_SUPPORT
CFLAGS += -DHAVE_KVM_STAT_SUPPORT
endif
-ifeq ($(feature-disassembler-four-args), 1)
- CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
-endif
-
-ifeq ($(feature-disassembler-init-styled), 1)
- CFLAGS += -DDISASM_INIT_STYLED
-endif
-
ifeq (${IS_64_BIT}, 1)
ifndef NO_PERF_READ_VDSO32
$(call feature_check,compile-32)
@@ -1181,20 +1190,6 @@ ifneq ($(NO_LIBTRACEEVENT),1)
else
$(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1)
endif
-
- ifeq ($(feature-libtracefs), 1)
- CFLAGS += $(shell $(PKG_CONFIG) --cflags libtracefs)
- LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtracefs)
- EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtracefs)
- LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs).0.0
- LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
- LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
- LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
- LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
- CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
- else
- $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel)
- endif
endif
# Among the variables below, these:
generated by cgit v1.2.3 (git 2.39.0) at 2026-04-20 18:53:14 +0300