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Message-Id: <1345437891-78830-3-git-send-email-dsahern@gmail.com>
Date: Sun, 19 Aug 2012 22:44:46 -0600
From: David Ahern <dsahern@...il.com>
To: acme@...stprotocols.net, linux-kernel@...r.kernel.org
Cc: mingo@...nel.org, peterz@...radead.org, fweisbec@...il.com,
eranian@...gle.com, namhyung@...nel.org, jolsa@...hat.com,
David Ahern <dsahern@...il.com>
Subject: [RFC PATCH 2/7] perf: make perl support based on CONFIG_LIBPERL
Signed-off-by: David Ahern <dsahern@...il.com>
---
tools/perf/Makefile | 25 +++++++++++--------------
tools/perf/config/feature-tests.mak | 2 +-
tools/perf/util/trace-event-scripting.c | 13 +++++++------
3 files changed, 19 insertions(+), 21 deletions(-)
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 70b4ae9..a447aa8 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -16,8 +16,6 @@ include config/utilities.mak
#
# Define CROSS_COMPILE as prefix name of compiler if you want cross-builds.
#
-# Define NO_LIBPERL to disable perl script extension.
-#
# Define NO_LIBPYTHON to disable python script extension.
#
# Define PYTHON to point to the python binary if the default
@@ -614,23 +612,22 @@ else
endif
endif
-ifdef NO_LIBPERL
- BASIC_CFLAGS += -DNO_LIBPERL
-else
+ifdef CONFIG_LIBPERL
PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
-
- ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED)),y)
- BASIC_CFLAGS += -DNO_LIBPERL
- else
- ALL_LDFLAGS += $(PERL_EMBED_LDFLAGS)
- EXTLIBS += $(PERL_EMBED_LIBADD)
- LIB_OBJS += $(OUTPUT)util/scripting-engines/trace-event-perl.o
- LIB_OBJS += $(OUTPUT)scripts/perl/Perf-Trace-Util/Context.o
- endif
+ ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED)),y)
+ $(warning perl module ExtUtils::Embed is not installed)
+ $(warning Install it or unset CONFIG_LIBPERL to continue)
+ $(error )
+ endif
+
+ ALL_LDFLAGS += $(PERL_EMBED_LDFLAGS)
+ EXTLIBS += $(PERL_EMBED_LIBADD)
+ LIB_OBJS += $(OUTPUT)util/scripting-engines/trace-event-perl.o
+ LIB_OBJS += $(OUTPUT)scripts/perl/Perf-Trace-Util/Context.o
endif
disable-python = $(eval $(disable-python_code))
diff --git a/tools/perf/config/feature-tests.mak b/tools/perf/config/feature-tests.mak
index 2f1156a..0145c05 100644
--- a/tools/perf/config/feature-tests.mak
+++ b/tools/perf/config/feature-tests.mak
@@ -93,7 +93,7 @@ int main(void)
endef
endif
-ifndef NO_LIBPERL
+ifdef CONFIG_LIBPERL
define SOURCE_PERL_EMBED
#include <EXTERN.h>
#include <perl.h>
diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c
index 302ff26..edaed05 100644
--- a/tools/perf/util/trace-event-scripting.c
+++ b/tools/perf/util/trace-event-scripting.c
@@ -27,6 +27,7 @@
#include "../perf.h"
#include "util.h"
#include "trace-event.h"
+#include "generated/autoconf.h"
struct scripting_context *scripting_context;
@@ -108,7 +109,7 @@ void setup_python_scripting(void)
static void print_perl_unsupported_msg(void)
{
fprintf(stderr, "Perl scripting not supported."
- " Install libperl and rebuild perf to enable it.\n"
+ " Enable CONFIG_LIBPERL and rebuild perf.\n"
"For example:\n # apt-get install libperl-dev (ubuntu)"
"\n # yum install 'perl(ExtUtils::Embed)' (Fedora)"
"\n etc.\n");
@@ -153,16 +154,16 @@ static void register_perl_scripting(struct scripting_ops *scripting_ops)
scripting_context = malloc(sizeof(struct scripting_context));
}
-#ifdef NO_LIBPERL
+#ifdef CONFIG_LIBPERL
+extern struct scripting_ops perl_scripting_ops;
+
void setup_perl_scripting(void)
{
- register_perl_scripting(&perl_scripting_unsupported_ops);
+ register_perl_scripting(&perl_scripting_ops);
}
#else
-extern struct scripting_ops perl_scripting_ops;
-
void setup_perl_scripting(void)
{
- register_perl_scripting(&perl_scripting_ops);
+ register_perl_scripting(&perl_scripting_unsupported_ops);
}
#endif
--
1.7.10.1
--
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