diff mbox series

[v2,03/14] perf build: Install libsubcmd locally when building

Message ID 20221109184914.1357295-4-irogers@google.com (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series Fix perf tools/lib includes | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch
bpf/vmtest-bpf-PR fail merge-conflict
bpf/vmtest-bpf-VM_Test-1 success Logs for ${{ matrix.test }} on ${{ matrix.arch }} with ${{ matrix.toolchain }}
bpf/vmtest-bpf-VM_Test-2 success Logs for ShellCheck
bpf/vmtest-bpf-VM_Test-3 fail Logs for build for aarch64 with gcc
bpf/vmtest-bpf-VM_Test-4 fail Logs for build for aarch64 with llvm-16
bpf/vmtest-bpf-VM_Test-5 success Logs for build for s390x with gcc
bpf/vmtest-bpf-VM_Test-6 success Logs for build for x86_64 with gcc
bpf/vmtest-bpf-VM_Test-7 success Logs for build for x86_64 with llvm-16
bpf/vmtest-bpf-VM_Test-8 success Logs for llvm-toolchain
bpf/vmtest-bpf-VM_Test-9 success Logs for set-matrix

Commit Message

Ian Rogers Nov. 9, 2022, 6:49 p.m. UTC
The perf build currently has a '-Itools/lib' on the CC command
line. This causes issues as the libapi, libsubcmd, libtraceevent,
libbpf headers are all found via this path, making it impossible to
override include behavior. Change the libsubcmd build mirroring the
libbpf build, so that it is installed in a directory along with its
headers. A later change will modify the include behavior.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/.gitignore    |  1 +
 tools/perf/Makefile.perf | 24 ++++++++++++++++--------
 2 files changed, 17 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/tools/perf/.gitignore b/tools/perf/.gitignore
index a653311d9693..626f5dd9a037 100644
--- a/tools/perf/.gitignore
+++ b/tools/perf/.gitignore
@@ -39,6 +39,7 @@  pmu-events/pmu-events.c
 pmu-events/jevents
 feature/
 libbpf/
+libsubcmd/
 fixdep
 libtraceevent-dynamic-list
 Documentation/doc.dep
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 67819f905611..4ec6b95a1c49 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -244,7 +244,7 @@  else # force_fixdep
 LIB_DIR         = $(srctree)/tools/lib/api/
 TRACE_EVENT_DIR = $(srctree)/tools/lib/traceevent/
 LIBBPF_DIR      = $(srctree)/tools/lib/bpf/
-SUBCMD_DIR      = $(srctree)/tools/lib/subcmd/
+LIBSUBCMD_DIR   = $(srctree)/tools/lib/subcmd/
 LIBPERF_DIR     = $(srctree)/tools/lib/perf/
 DOC_DIR         = $(srctree)/tools/perf/Documentation/
 
@@ -294,7 +294,6 @@  strip-libs = $(filter-out -l%,$(1))
 ifneq ($(OUTPUT),)
   TE_PATH=$(OUTPUT)
   PLUGINS_PATH=$(OUTPUT)
-  SUBCMD_PATH=$(OUTPUT)
   LIBPERF_PATH=$(OUTPUT)
 ifneq ($(subdir),)
   API_PATH=$(OUTPUT)/../lib/api/
@@ -305,7 +304,6 @@  else
   TE_PATH=$(TRACE_EVENT_DIR)
   PLUGINS_PATH=$(TRACE_EVENT_DIR)plugins/
   API_PATH=$(LIB_DIR)
-  SUBCMD_PATH=$(SUBCMD_DIR)
   LIBPERF_PATH=$(LIBPERF_DIR)
 endif
 
@@ -332,7 +330,14 @@  LIBBPF_DESTDIR = $(LIBBPF_OUTPUT)
 LIBBPF_INCLUDE = $(LIBBPF_DESTDIR)/include
 LIBBPF = $(LIBBPF_OUTPUT)/libbpf.a
 
-LIBSUBCMD = $(SUBCMD_PATH)libsubcmd.a
+ifneq ($(OUTPUT),)
+  LIBSUBCMD_OUTPUT = $(abspath $(OUTPUT))/libsubcmd
+else
+  LIBSUBCMD_OUTPUT = $(CURDIR)/libsubcmd
+endif
+LIBSUBCMD_DESTDIR = $(LIBSUBCMD_OUTPUT)
+LIBSUBCMD_INCLUDE = $(LIBSUBCMD_DESTDIR)/include
+LIBSUBCMD = $(LIBSUBCMD_OUTPUT)/libsubcmd.a
 
 LIBPERF = $(LIBPERF_PATH)libperf.a
 export LIBPERF
@@ -849,11 +854,14 @@  $(LIBPERF)-clean:
 	$(call QUIET_CLEAN, libperf)
 	$(Q)$(MAKE) -C $(LIBPERF_DIR) O=$(OUTPUT) clean >/dev/null
 
-$(LIBSUBCMD): FORCE
-	$(Q)$(MAKE) -C $(SUBCMD_DIR) O=$(OUTPUT) $(OUTPUT)libsubcmd.a
+$(LIBSUBCMD): FORCE | $(LIBSUBCMD_OUTPUT)
+	$(Q)$(MAKE) -C $(LIBSUBCMD_DIR) O=$(LIBSUBCMD_OUTPUT) \
+		DESTDIR=$(LIBSUBCMD_DESTDIR) prefix= \
+		$@ install_headers
 
 $(LIBSUBCMD)-clean:
-	$(Q)$(MAKE) -C $(SUBCMD_DIR) O=$(OUTPUT) clean
+	$(call QUIET_CLEAN, libsubcmd)
+	$(Q)$(RM) -r -- $(LIBSUBCMD_OUTPUT)
 
 help:
 	@echo 'Perf make targets:'
@@ -1039,7 +1047,7 @@  SKELETONS += $(SKEL_OUT)/bperf_cgroup.skel.h $(SKEL_OUT)/func_latency.skel.h
 SKELETONS += $(SKEL_OUT)/off_cpu.skel.h $(SKEL_OUT)/lock_contention.skel.h
 SKELETONS += $(SKEL_OUT)/kwork_trace.skel.h
 
-$(SKEL_TMP_OUT) $(LIBBPF_OUTPUT):
+$(SKEL_TMP_OUT) $(LIBBPF_OUTPUT) $(LIBSUBCMD_OUTPUT):
 	$(Q)$(MKDIR) -p $@
 
 ifdef BUILD_BPF_SKEL