[tip:perf/core] perf tools: Don't try to build python bindings if Python.h not available

[tip-bot for Arnaldo Carvalho de Melo]

Commit-ID:  978f626c4e5b9524d1898788d8e34d86dfa00795
Gitweb:     http://git.kernel.org/tip/978f626c4e5b9524d1898788d8e34d86dfa00795
Author:     Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Tue, 1 Feb 2011 16:40:51 -0200
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 1 Feb 2011 16:40:51 -0200

perf tools: Don't try to build python bindings if Python.h not available

Just leverage the test done for python support in 'python script',
emitting a warning about losing those features if python-dev[el] is not
installed.

Reported-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Tom Zanussi <tzanussi@xxxxxxxxx>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/Makefile |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 85f6549..4c9499c 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -348,14 +348,14 @@ PROGRAMS += $(EXTRA_PROGRAMS)
 #
 PROGRAMS += $(OUTPUT)perf
 
-LANG_BINDINGS = $(OUTPUT)python/perf.so
+LANG_BINDINGS =
 
 # List built-in command $C whose implementation cmd_$C() is not in
 # builtin-$C.o but is linked in as part of some other command.
 #
 
 # what 'all' will build and 'install' will install, in perfexecdir
-ALL_PROGRAMS = $(PROGRAMS) $(SCRIPTS) $(LANG_BINDINGS)
+ALL_PROGRAMS = $(PROGRAMS) $(SCRIPTS)
 
 # what 'all' will build but not install in perfexecdir
 OTHER_PROGRAMS = $(OUTPUT)perf$X
@@ -664,12 +664,14 @@ else
 	PYTHON_EMBED_CCOPTS = `python-config --cflags 2>/dev/null`
 	FLAGS_PYTHON_EMBED=$(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
 	ifneq ($(call try-cc,$(SOURCE_PYTHON_EMBED),$(FLAGS_PYTHON_EMBED)),y)
+		msg := $(warning No Python.h found, install python-dev[el] to have python support in 'perf script' and to build the python bindings)
 		BASIC_CFLAGS += -DNO_LIBPYTHON
 	else
                ALL_LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
                EXTLIBS += $(PYTHON_EMBED_LIBADD)
 		LIB_OBJS += $(OUTPUT)util/scripting-engines/trace-event-python.o
 		LIB_OBJS += $(OUTPUT)scripts/python/Perf-Trace-Util/Context.o
+		LANG_BINDINGS += $(OUTPUT)python/perf.so
 	endif
 endif
 
@@ -956,7 +958,7 @@ export TAR INSTALL DESTDIR SHELL_PATH
 
 SHELL = $(SHELL_PATH)
 
-all:: shell_compatibility_test $(ALL_PROGRAMS) $(BUILT_INS) $(OTHER_PROGRAMS) $(OUTPUT)PERF-BUILD-OPTIONS
+all:: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(BUILT_INS) $(OTHER_PROGRAMS) $(OUTPUT)PERF-BUILD-OPTIONS
 ifneq (,$X)
 	$(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) perf$X)), test '$p' -ef '$p$X' || $(RM) '$p';)
 endif
--
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