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[v1,4/4] perf build: Add LTO build option

Message ID 20230724201247.748146-5-irogers@google.com (mailing list archive)
State Handled Elsewhere
Delegated to: BPF
Headers show
Series Perf tool LTO support | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch
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Commit Message

Ian Rogers July 24, 2023, 8:12 p.m. UTC
Add an LTO build option, that sets the appropriate CFLAGS and CXXFLAGS
values.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/Makefile.config | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index c5db0de49868..a9cfe83638a9 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -256,6 +256,11 @@  ifdef PARSER_DEBUG
   $(call detected_var,PARSER_DEBUG_FLEX)
 endif
 
+ifdef LTO
+  CORE_CFLAGS += -flto
+  CXXFLAGS += -flto
+endif
+
 # Try different combinations to accommodate systems that only have
 # python[2][3]-config in weird combinations in the following order of
 # priority from lowest to highest: