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From: Steven Rostedt <rostedt@goodmis.org>
To: Linux Trace Devel <linux-trace-devel@vger.kernel.org>
Subject: [PATCH] trace-cmd/kernelshark: Build libtraceevent and libtracefs locally
Date: Wed, 16 Dec 2020 18:13:36 -0500
Message-ID: <20201216181336.72899722@gandalf.local.home> (raw)

From: "Steven Rostedt (VMware)" <rostedt@goodmis.org>

kernelshark v1 is now frozen in favor of developing kernelshark v2. Do not
use the system libraries libtraceevent or libtracefs for kernelshark v1, as
they may not be suitable. Use the frozen libtraceevent and libtracefs that
is in the local repository.

Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
 Makefile                | 24 ++++++++++++++++--------
 lib/traceevent/Makefile |  2 ++
 lib/tracefs/Makefile    |  3 +++
 3 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/Makefile b/Makefile
index 662d24ba..7aef50b3 100644
--- a/Makefile
+++ b/Makefile
@@ -354,19 +354,14 @@ $(PKG_CONFIG_FILE) : ${PKG_CONFIG_SOURCE_FILE}.template $(BUILD_PREFIX)
 $(kshark-dir)/build/Makefile: $(kshark-dir)/CMakeLists.txt
 	$(Q) cd $(kshark-dir)/build && $(CMAKE_COMMAND) -DCMAKE_BUILD_TYPE=$(BUILD_TYPE) -D_INSTALL_PREFIX=$(prefix) -D_LIBDIR=$(libdir) ..
 
-gui: force
-	$(MAKE) $(CMD_TARGETS)
-	$(MAKE) $(kshark-dir)/build/Makefile
-	$(Q)$(MAKE) $(S) -C $(kshark-dir)/build
-	@echo "gui build complete"
-	@echo "  kernelshark located at $(kshark-dir)/bin"
-
 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 $(obj)/tracecmd/$@
 
-$(LIBTRACEEVENT_STATIC): force $(obj)/lib/traceevent/plugins/trace_python_dir \
+LIBTRACEEVENT_DEPENDS = $(obj)/lib/traceevent/plugins/trace_python_dir \
 			 $(obj)/lib/traceevent/plugins/traceevent_plugin_dir
+
+$(LIBTRACEEVENT_STATIC): force $(LIBTRACEEVENT_DEPENDS)
 	$(Q)$(MAKE) -C $(src)/lib/traceevent libtraceevent
 
 $(LIBTRACECMD_STATIC): force
@@ -385,6 +380,19 @@ libtracefs.a: $(LIBTRACEFS_STATIC)
 
 libs: $(LIBTRACECMD_SHARED) $(LIBTRACEEVENT_STATIC_BUILD) $(LIBTRACEFS_STATIC_BUILD) $(PKG_CONFIG_FILE)
 
+libtraceevent_nowarn: $(LIBTRACEEVENT_DEPENDS)
+	$(Q)$(MAKE) -C $(src)/lib/traceevent $@
+
+libtracefs_nowarn: force
+	$(Q)$(MAKE) -C $(src)/lib/tracefs $@
+
+
+gui: force $(CMD_TARGETS) libtraceevent_nowarn libtracefs_nowarn
+	$(MAKE) $(kshark-dir)/build/Makefile
+	$(Q)$(MAKE) $(S) -C $(kshark-dir)/build
+	@echo "gui build complete"
+	@echo "  kernelshark located at $(kshark-dir)/bin"
+
 test: force $(LIBTRACEEVENT_STATIC_BUILD) $(LIBTRACEFS_STATIC_BUILD) $(LIBTRACECMD_STATIC)
 ifneq ($(CUNIT_INSTALLED),1)
 	$(error CUnit framework not installed, cannot build unit tests))
diff --git a/lib/traceevent/Makefile b/lib/traceevent/Makefile
index 21ef5a4e..21eaffd2 100644
--- a/lib/traceevent/Makefile
+++ b/lib/traceevent/Makefile
@@ -50,6 +50,8 @@ $(bdir)/libtraceevent.a: $(OBJS)
 
 libtraceevent: $(bdir)/libtraceevent.a warning
 
+libtraceevent_nowarn: $(bdir)/libtraceevent.a
+
 $(bdir)/%.o: %.c
 	$(Q)$(call do_fpic_compile)
 
diff --git a/lib/tracefs/Makefile b/lib/tracefs/Makefile
index 6f4370d9..74cb8829 100644
--- a/lib/tracefs/Makefile
+++ b/lib/tracefs/Makefile
@@ -47,6 +47,9 @@ $(bdir)/libtracefs.a: $(OBJS)
 	$(Q)$(call do_build_static_lib)
 
 libtracefs: $(bdir)/libtracefs.a warning
+
+libtracefs_nowarn: $(bdir)/libtracefs.a
+
 $(bdir)/%.o: %.c
 	$(Q)$(call do_fpic_compile)
 
-- 
2.25.4


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