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| author |   David Carrillo-Cisneros <davidcc@google.com> | 2017-07-18 18:18:37 -0700 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-07-25 11:23:51 -0300 |
| commit | cb281fea4b0a326d2a2104f8ffae2b6895c561fd (patch) | |
| tree | 9c2b14de59a7fcc7289487a85788d999eda3be8b /tools/perf/Makefile.perf | |
| parent | perf cgroup: Fix refcount usage (diff) | |
| download | linux-dev-cb281fea4b0a326d2a2104f8ffae2b6895c561fd.tar.xz linux-dev-cb281fea4b0a326d2a2104f8ffae2b6895c561fd.zip | |
perf tools: Add EXCLUDE_EXTLIBS and EXTRA_PERFLIBS to makefile
The goal is to allow users to override linking of libraries that
were automatically added to PERFLIBS.
EXCLUDE_EXTLIBS contains linker flags to be removed from LIBS
while EXTRA_PERFLIBS contains linker flags to be added.
My use case is to force certain library to be build statically,
e.g. for libelf:
EXCLUDE_EXTLIBS=-lelf EXTRA_PERFLIBS=path/libelf.a
Signed-off-by: David Carrillo-Cisneros <davidcc@google.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Elena Reshetova <elena.reshetova@intel.com>
Cc: Kees Kook <keescook@chromium.org>
Cc: Paul Turner <pjt@google.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20170719011839.99399-3-davidcc@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Makefile.perf')
| -rw-r--r-- | tools/perf/Makefile.perf | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 5008f51a08a2..100a6c1670c8 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -33,6 +33,11 @@ include ../scripts/utilities.mak # # Define EXTRA_CFLAGS=-m64 or EXTRA_CFLAGS=-m32 as appropriate for cross-builds. # +# Define EXCLUDE_EXTLIBS=-lmylib to exclude libmylib from the auto-generated +# EXTLIBS. +# +# Define EXTRA_PERFLIBS to pass extra libraries to PERFLIBS. +# # Define NO_DWARF if you do not want debug-info analysis feature at all. # # Define WERROR=0 to disable treating any warnings as errors. @@ -352,7 +357,8 @@ ifdef ASCIIDOC8 export ASCIIDOC8 endif -LIBS = -Wl,--whole-archive $(PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group +EXTLIBS := $(call filter-out,$(EXCLUDE_EXTLIBS),$(EXTLIBS)) +LIBS = -Wl,--whole-archive $(PERFLIBS) $(EXTRA_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 |