From 8cdca3f85cd4398ceeddea5bbc9d421f0bfdc76a Mon Sep 17 00:00:00 2001
From: Ian Rogers <irogers@google.com>
Date: Wed, 9 Nov 2022 10:49:14 -0800
Subject: [PATCH] perf build: Use tools/lib headers from install path

Switch -I from tools/lib to the install path for the tools/lib
libraries. Add the include_headers build targets to prepare target, as
well as pmu-events.c compilation that dependes on libperf.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: bpf@vger.kernel.org
Link: http://lore.kernel.org/lkml/20221109184914.1357295-15-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/Makefile.config |  2 --
 tools/perf/Makefile.perf   | 14 +++++++++++++-
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index a7f6c0669fae..9cc3c48f3288 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -349,7 +349,6 @@ ifeq ($(DEBUG),0)
   endif
 endif
 
-INC_FLAGS += -I$(srctree)/tools/lib/perf/include
 INC_FLAGS += -I$(src-perf)/util/include
 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
 INC_FLAGS += -I$(srctree)/tools/include/
@@ -367,7 +366,6 @@ endif
 
 INC_FLAGS += -I$(src-perf)/util
 INC_FLAGS += -I$(src-perf)
-INC_FLAGS += -I$(srctree)/tools/lib/
 
 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 6c1a2a3ccc38..766ec9471183 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -305,6 +305,7 @@ LIBTRACEEVENT_INCLUDE = $(LIBTRACEEVENT_DESTDIR)/include
 LIBTRACEEVENT = $(LIBTRACEEVENT_OUTPUT)/libtraceevent.a
 export LIBTRACEEVENT
 LIBTRACEEVENT_DYNAMIC_LIST = $(LIBTRACEEVENT_PLUGINS_OUTPUT)/libtraceevent-dynamic-list
+CFLAGS += -I$(LIBTRACEEVENT_OUTPUT)/include
 
 #
 # The static build has no dynsym table, so this does not work for
@@ -322,6 +323,7 @@ LIBAPI_DESTDIR = $(LIBAPI_OUTPUT)
 LIBAPI_INCLUDE = $(LIBAPI_DESTDIR)/include
 LIBAPI = $(LIBAPI_OUTPUT)/libapi.a
 export LIBAPI
+CFLAGS += -I$(LIBAPI_OUTPUT)/include
 
 ifneq ($(OUTPUT),)
   LIBBPF_OUTPUT = $(abspath $(OUTPUT))/libbpf
@@ -331,6 +333,7 @@ endif
 LIBBPF_DESTDIR = $(LIBBPF_OUTPUT)
 LIBBPF_INCLUDE = $(LIBBPF_DESTDIR)/include
 LIBBPF = $(LIBBPF_OUTPUT)/libbpf.a
+CFLAGS += -I$(LIBBPF_OUTPUT)/include
 
 ifneq ($(OUTPUT),)
   LIBSUBCMD_OUTPUT = $(abspath $(OUTPUT))/libsubcmd
@@ -340,6 +343,7 @@ endif
 LIBSUBCMD_DESTDIR = $(LIBSUBCMD_OUTPUT)
 LIBSUBCMD_INCLUDE = $(LIBSUBCMD_DESTDIR)/include
 LIBSUBCMD = $(LIBSUBCMD_OUTPUT)/libsubcmd.a
+CFLAGS += -I$(LIBSUBCMD_OUTPUT)/include
 
 ifneq ($(OUTPUT),)
   LIBSYMBOL_OUTPUT = $(abspath $(OUTPUT))/libsymbol
@@ -349,6 +353,7 @@ endif
 LIBSYMBOL_DESTDIR = $(LIBSYMBOL_OUTPUT)
 LIBSYMBOL_INCLUDE = $(LIBSYMBOL_DESTDIR)/include
 LIBSYMBOL = $(LIBSYMBOL_OUTPUT)/libsymbol.a
+CFLAGS += -I$(LIBSYMBOL_OUTPUT)/include
 
 ifneq ($(OUTPUT),)
   LIBPERF_OUTPUT = $(abspath $(OUTPUT))/libperf
@@ -359,6 +364,7 @@ LIBPERF_DESTDIR = $(LIBPERF_OUTPUT)
 LIBPERF_INCLUDE = $(LIBPERF_DESTDIR)/include
 LIBPERF = $(LIBPERF_OUTPUT)/libperf.a
 export LIBPERF
+CFLAGS += -I$(LIBPERF_OUTPUT)/include
 
 # python extension build directories
 PYTHON_EXTBUILD     := $(OUTPUT)python_ext_build/
@@ -691,7 +697,7 @@ build := -f $(srctree)/tools/build/Makefile.build dir=. obj
 $(PERF_IN): prepare FORCE
 	$(Q)$(MAKE) $(build)=perf
 
-$(PMU_EVENTS_IN): FORCE
+$(PMU_EVENTS_IN): FORCE $(LIBPERF)
 	$(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=pmu-events obj=pmu-events
 
 $(OUTPUT)perf: $(PERFLIBS) $(PERF_IN) $(PMU_EVENTS_IN) $(LIBTRACEEVENT_DYNAMIC_LIST)
@@ -774,6 +780,12 @@ prepare: $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h archheaders $(drm_ioc
 	$(rename_flags_array) \
 	$(arch_errno_name_array) \
 	$(sync_file_range_arrays) \
+	$(LIBAPI) \
+	$(LIBBPF) \
+	$(LIBPERF) \
+	$(LIBSUBCMD) \
+	$(LIBSYMBOL) \
+	$(LIBTRACEEVENT) \
 	bpf-skel
 
 $(OUTPUT)%.o: %.c prepare FORCE
-- 
2.38.1.431.g37b22c650d-goog