From 39f3ce5cabdcb0b3216e2ab0d05402b4e4cd4155 Mon Sep 17 00:00:00 2001
From: Ian Rogers <irogers@google.com>
Date: Tue, 25 Jun 2024 14:41:11 -0700
Subject: perf ui: Make ui its own library
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Make the ui code its own library. This is done to avoid compiling code
twice, once for the perf tool and once for the perf python module.

Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: James Clark <james.clark@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Nick Terrell <terrelln@fb.com>
Cc: Gary Guo <gary@garyguo.net>
Cc: Alex Gaynor <alex.gaynor@gmail.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Wedson Almeida Filho <wedsonaf@gmail.com>
Cc: Ze Gao <zegao2021@gmail.com>
Cc: Alice Ryhl <aliceryhl@google.com>
Cc: Andrei Vagin <avagin@google.com>
Cc: Yicong Yang <yangyicong@hisilicon.com>
Cc: Jonathan Cameron <jonathan.cameron@huawei.com>
Cc: Guo Ren <guoren@kernel.org>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Benno Lossin <benno.lossin@proton.me>
Cc: Björn Roy Baron <bjorn3_gh@protonmail.com>
Cc: Andreas Hindborg <a.hindborg@samsung.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240625214117.953777-3-irogers@google.com
---
 tools/perf/Makefile.perf | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'tools/perf/Makefile.perf')

diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index acc41a6717db..c5a027381c55 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -425,10 +425,14 @@ endif
 
 export PERL_PATH
 
+LIBPERF_UI_IN := $(OUTPUT)perf-ui-in.o
+LIBPERF_UI := $(OUTPUT)libperf-ui.a
+
 PERFLIBS = $(LIBAPI) $(LIBPERF) $(LIBSUBCMD) $(LIBSYMBOL)
 ifdef LIBBPF_STATIC
   PERFLIBS += $(LIBBPF)
 endif
+PERFLIBS += $(LIBPERF_UI)
 
 # We choose to avoid "if .. else if .. else .. endif endif"
 # because maintaining the nesting to match is a pain.  If
@@ -729,6 +733,12 @@ $(PERF_IN): prepare FORCE
 $(PMU_EVENTS_IN): FORCE prepare
 	$(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=pmu-events obj=pmu-events
 
+$(LIBPERF_UI_IN): FORCE prepare
+	$(Q)$(MAKE) $(build)=perf-ui
+
+$(LIBPERF_UI): $(LIBPERF_UI_IN)
+	$(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $<
+
 $(OUTPUT)perf: $(PERFLIBS) $(PERF_IN) $(PMU_EVENTS_IN)
 	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) \
 		$(PERF_IN) $(PMU_EVENTS_IN) $(LIBS) -o $@
-- 
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