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authorWang Nan <wangnan0@huawei.com>2016-11-26 10:03:33 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-12-05 21:51:43 +0300
commitd58ac0bf8d1e6ffbfcb0a77e459cf4737b131b75 (patch)
tree827335ed9305db043e3faab82222e77348e90266 /tools/perf/Makefile.perf
parentc7fb4f62e2a97bd25d555263ef501fe053edcbb6 (diff)
downloadlinux-d58ac0bf8d1e6ffbfcb0a77e459cf4737b131b75.tar.xz
perf build: Add clang and llvm compile and linking support
Add necessary c++ flags and link libraries to support builtin clang and LLVM. Add all llvm and clang libraries, so don't need to worry about clang changes its libraries setting. However, linking perf would take much longer than usual. Signed-off-by: Wang Nan <wangnan0@huawei.com> Cc: Alexei Starovoitov <ast@fb.com> Cc: He Kuang <hekuang@huawei.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Joe Stringer <joe@ovn.org> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/20161126070354.141764-10-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Makefile.perf')
-rw-r--r--tools/perf/Makefile.perf23
1 files changed, 22 insertions, 1 deletions
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 3cb1df43ad3e..dfb20dd31865 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -88,6 +88,10 @@ include ../scripts/utilities.mak
# and bypass the feature detection
#
# Define NO_JVMTI if you do not want jvmti agent built
+#
+# Define LIBCLANGLLVM if you DO want builtin clang and llvm support.
+# When selected, pass LLVM_CONFIG=/path/to/llvm-config to `make' if
+# llvm-config is not in $PATH.
# As per kernel Makefile, avoid funny character set dependencies
unexport LC_ALL
@@ -143,6 +147,7 @@ endef
$(call allow-override,CC,$(CROSS_COMPILE)gcc)
$(call allow-override,AR,$(CROSS_COMPILE)ar)
$(call allow-override,LD,$(CROSS_COMPILE)ld)
+$(call allow-override,CXX,$(CROSS_COMPILE)g++)
LD += $(EXTRA_LDFLAGS)
@@ -151,6 +156,7 @@ HOSTLD ?= ld
HOSTAR ?= ar
PKG_CONFIG = $(CROSS_COMPILE)pkg-config
+LLVM_CONFIG ?= llvm-config
RM = rm -f
LN = ln -f
@@ -338,6 +344,21 @@ endif
LIBS = -Wl,--whole-archive $(PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group
+ifeq ($(USE_CLANG), 1)
+ CLANGLIBS_LIST = AST Basic CodeGen Driver Frontend Lex Tooling Edit Sema Analysis Parse Serialization
+ LIBCLANG = $(foreach l,$(CLANGLIBS_LIST),$(wildcard $(shell $(LLVM_CONFIG) --libdir)/libclang$(l).a))
+ LIBS += -Wl,--start-group $(LIBCLANG) -Wl,--end-group
+endif
+
+ifeq ($(USE_LLVM), 1)
+ LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs)
+ LIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM)
+endif
+
+ifeq ($(USE_CXX), 1)
+ LIBS += -lstdc++
+endif
+
export INSTALL SHELL_PATH
### Build rules
@@ -356,7 +377,7 @@ strip: $(PROGRAMS) $(OUTPUT)perf
PERF_IN := $(OUTPUT)perf-in.o
-export srctree OUTPUT RM CC LD AR CFLAGS V BISON FLEX AWK
+export srctree OUTPUT RM CC CXX LD AR CFLAGS CXXFLAGS V BISON FLEX AWK
export HOSTCC HOSTLD HOSTAR
include $(srctree)/tools/build/Makefile.include