From: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>
To: rostedt@goodmis.org
Cc: linux-trace-devel@vger.kernel.org
Subject: [PATCH] trace-cmd: Use system trace libraries, if available
Date: Thu, 26 Nov 2020 09:27:07 +0200 [thread overview]
Message-ID: <20201126072707.906347-1-tz.stoyanov@gmail.com> (raw)
Check if libtraceevent and libtracefs are installed in the system and
use them, otherwise build and use the local implementations.
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
---
Makefile | 40 ++++++++++++++++++++++++++++------------
lib/traceevent/Makefile | 2 ++
lib/tracefs/Makefile | 2 ++
tracecmd/Makefile | 6 ++++--
4 files changed, 36 insertions(+), 14 deletions(-)
diff --git a/Makefile b/Makefile
index 8626b91b..c6cdeeae 100644
--- a/Makefile
+++ b/Makefile
@@ -191,6 +191,8 @@ export prefix bindir src obj kshark-dir
LIBS = -ldl
+
+LIBTRACEEVENT=libtraceevent
LIBTRACEEVENT_DIR = $(obj)/lib/traceevent
LIBTRACEEVENT_STATIC = $(LIBTRACEEVENT_DIR)/libtraceevent.a
LIBTRACEEVENT_SHARED = $(LIBTRACEEVENT_DIR)/libtraceevent.so
@@ -199,35 +201,48 @@ LIBTRACECMD_DIR = $(obj)/lib/trace-cmd
LIBTRACECMD_STATIC = $(LIBTRACECMD_DIR)/libtracecmd.a
LIBTRACECMD_SHARED = $(LIBTRACECMD_DIR)/libtracecmd.so
+LIBTRACEFS=libtracefs
LIBTRACEFS_DIR = $(obj)/lib/tracefs
LIBTRACEFS_STATIC = $(LIBTRACEFS_DIR)/libtracefs.a
LIBTRACEFS_SHARED = $(LIBTRACEFS_DIR)/libtracefs.so
-TRACE_LIBS = -L$(LIBTRACECMD_DIR) -ltracecmd \
- -L$(LIBTRACEEVENT_DIR) -ltraceevent \
- -L$(LIBTRACEFS_DIR) -ltracefs
+ifeq ($(shell sh -c "pkg-config --cflags $(LIBTRACEEVENT) > /dev/null 2>&1 && echo y"), y)
+LIBTRACEEVENT_CFLAGS = $(shell sh -c "pkg-config --cflags $(LIBTRACEEVENT)")
+LIBTRACEEVENT_LDLAGS = $(shell sh -c "pkg-config --libs $(LIBTRACEEVENT)")
+else
+LIBTRACEEVENT_CFLAGS = -I$(src)/include/traceevent -I$(src)/lib/traceevent/include
+LIBTRACEEVENT_LDLAGS = -L$(LIBTRACEEVENT_DIR) -ltraceevent
+LIBTRACEEVENT_STATIC_BUILD = $(LIBTRACEEVENT_STATIC)
+endif
+
+ifeq ($(shell sh -c "pkg-config --cflags $(LIBTRACEFS) > /dev/null 2>&1 && echo y"), y)
+LIBTRACEFS_CFLAGS = $(shell sh -c "pkg-config --cflags $(LIBTRACEFS)")
+LIBTRACEFS_LDLAGS = $(shell sh -c "pkg-config --libs $(LIBTRACEFS)")
+else
+LIBTRACEFS_CFLAGS = -I$(src)/include/tracefs
+LIBTRACEFS_LDLAGS = -L$(LIBTRACEFS_DIR) -ltracefs
+LIBTRACEFS_STATIC_BUILD = $(LIBTRACEFS_STATIC)
+endif
+
+
+TRACE_LIBS = -L$(LIBTRACECMD_DIR) -ltracecmd \
+ $(LIBTRACEEVENT_LDLAGS) $(LIBTRACEFS_LDLAGS)
export LIBS TRACE_LIBS
export LIBTRACEEVENT_DIR LIBTRACECMD_DIR LIBTRACEFS_DIR
export LIBTRACECMD_STATIC LIBTRACECMD_SHARED
-export LIBTRACEEVENT_STATIC LIBTRACEEVENT_SHARED
-export LIBTRACEFS_STATIC LIBTRACEFS_SHARED
-
export Q SILENT VERBOSE EXT
# Include the utils
include scripts/utils.mk
INCLUDES = -I$(src)/include -I$(src)/../../include
-INCLUDES += -I$(src)/include/traceevent
INCLUDES += -I$(src)/include/trace-cmd
-INCLUDES += -I$(src)/include/tracefs
-INCLUDES += -I$(src)/lib/traceevent/include
INCLUDES += -I$(src)/lib/trace-cmd/include
INCLUDES += -I$(src)/lib/trace-cmd/include/private
-INCLUDES += -I$(src)/lib/tracefs/include
INCLUDES += -I$(src)/tracecmd/include
-INCLUDES += -I$(obj)/tracecmd/include
+INCLUDES += $(LIBTRACEEVENT_CFLAGS)
+INCLUDES += $(LIBTRACEFS_CFLAGS)
include $(src)/features.mk
@@ -288,6 +303,7 @@ CMD_TARGETS = trace-cmd $(BUILD_PYTHON)
# Default we just build trace-cmd
#
# If you want kernelshark, then do: make gui
+# If you want all libraries, then do: make libs
###
all: all_cmd plugins show_gui_make
@@ -309,7 +325,7 @@ gui: force
@echo "gui build complete"
@echo " kernelshark located at $(kshark-dir)/bin"
-trace-cmd: force $(LIBTRACEEVENT_STATIC) $(LIBTRACECMD_STATIC) $(LIBTRACEFS_STATIC) \
+trace-cmd: force $(LIBTRACEEVENT_STATIC_BUILD) $(LIBTRACECMD_STATIC) $(LIBTRACEFS_STATIC_BUILD) \
force $(obj)/lib/trace-cmd/plugins/tracecmd_plugin_dir
$(Q)$(MAKE) -C $(src)/tracecmd $(obj)/tracecmd/$@
diff --git a/lib/traceevent/Makefile b/lib/traceevent/Makefile
index d0666911..c7f7cda0 100644
--- a/lib/traceevent/Makefile
+++ b/lib/traceevent/Makefile
@@ -6,6 +6,8 @@ bdir:=$(obj)/lib/traceevent
DEFAULT_TARGET = $(bdir)/libtraceevent.a
+CFLAGS += -I$(bdir)/include
+
OBJS =
OBJS += event-parse.o
OBJS += event-plugin.o
diff --git a/lib/tracefs/Makefile b/lib/tracefs/Makefile
index cbcce362..89519517 100644
--- a/lib/tracefs/Makefile
+++ b/lib/tracefs/Makefile
@@ -6,6 +6,8 @@ bdir:=$(obj)/lib/tracefs
DEFAULT_TARGET = $(bdir)/libtracefs.a
+CFLAGS += -I$(bdir)/include
+
OBJS =
OBJS += tracefs-utils.o
OBJS += tracefs-instance.o
diff --git a/tracecmd/Makefile b/tracecmd/Makefile
index 01f36c61..de14176e 100644
--- a/tracecmd/Makefile
+++ b/tracecmd/Makefile
@@ -11,6 +11,8 @@ TARGETS = $(bdir)/trace-cmd $(TC_VERSION)
BUILDGUI := 0
include $(src)/scripts/utils.mk
+CFLAGS += -I$(bdir)/include
+
TRACE_CMD_OBJS =
TRACE_CMD_OBJS += trace-cmd.o
TRACE_CMD_OBJS += trace-record.o
@@ -47,7 +49,7 @@ all_objs := $(sort $(ALL_OBJS))
all_deps := $(all_objs:$(bdir)/%.o=$(bdir)/.%.d)
CONFIG_INCLUDES =
-CONFIG_LIBS = -lrt -lpthread
+CONFIG_LIBS = -lrt -lpthread $(TRACE_LIBS)
CONFIG_FLAGS =
all: $(TARGETS)
@@ -67,7 +69,7 @@ $(all_objs): | $(bdir)
$(bdir)/trace-cmd: $(ALL_OBJS)
$(Q)$(do_app_build)
-$(bdir)/trace-cmd: $(LIBTRACECMD_STATIC) $(LIBTRACEEVENT_STATIC) $(LIBTRACEFS_STATIC)
+$(bdir)/trace-cmd: $(LIBTRACECMD_STATIC)
$(bdir)/%.o: %.c
$(Q)$(call do_compile)
--
2.28.0
reply other threads:[~2020-11-26 7:27 UTC|newest]
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