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Date: Mon, 1 Apr 2013 21:54:16 -0600
From: David Ahern <dsahern@...il.com>
To: acme@...stprotocols.net, linux-kernel@...r.kernel.org
Cc: David Ahern <dsahern@...il.com>, Borislav Petkov <bp@...en8.de>,
Frederic Weisbecker <fweisbec@...il.com>,
Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 02/23] perf: make perl support based on CONFIG_LIBPERL
Signed-off-by: David Ahern <dsahern@...il.com>
Cc: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Stephane Eranian <eranian@...gle.com>
---
tools/perf/Makefile | 34 ++++++++++++++-----------------
tools/perf/Pconfig | 2 ++
tools/perf/builtin-script.c | 3 ++-
tools/perf/config/feature-tests.mak | 4 ++--
tools/perf/util/trace-event-scripting.c | 13 ++++++------
5 files changed, 28 insertions(+), 28 deletions(-)
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 4e54d05..af7b746 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
@@ -718,23 +716,21 @@ ifndef NO_GTK2
endif
endif
-ifdef NO_LIBPERL
- BASIC_CFLAGS += -DNO_LIBPERL
-else
- 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),perl),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
+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)
+ $(error perl module ExtUtils::Embed not installed. Install it or unset CONFIG_LIBPERL to continue)
+ 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/Pconfig b/tools/perf/Pconfig
index e69de29..a636af3 100644
--- a/tools/perf/Pconfig
+++ b/tools/perf/Pconfig
@@ -0,0 +1,2 @@
+config LIBPERL
+ bool "Enable support for perl scripting engine"
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 92d4658..7841533 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -16,6 +16,7 @@
#include "util/evsel.h"
#include "util/sort.h"
#include <linux/bitmap.h>
+#include <linux/kconfig.h>
static char const *script_name;
static char const *generate_script_lang;
@@ -1110,7 +1111,7 @@ int find_scripts(char **scripts_array, char **scripts_path_array)
for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
lang_dirent.d_name);
-#ifdef NO_LIBPERL
+#ifndef CONFIG_LIBPERL
if (strstr(lang_path, "perl"))
continue;
#endif
diff --git a/tools/perf/config/feature-tests.mak b/tools/perf/config/feature-tests.mak
index b4eabb4..1222b33 100644
--- a/tools/perf/config/feature-tests.mak
+++ b/tools/perf/config/feature-tests.mak
@@ -102,7 +102,7 @@ int main(void)
endef
endif
-ifndef NO_LIBPERL
+ifdef CONFIG_LIBPERL
define SOURCE_PERL_EMBED
#include <EXTERN.h>
#include <perl.h>
@@ -235,4 +235,4 @@ int main(void)
numa_available();
return 0;
}
-endef
\ No newline at end of file
+endef
diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c
index 8715a10..3343d97 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 <linux/kconfig.h>
struct scripting_context *scripting_context;
@@ -110,7 +111,7 @@ 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");
@@ -156,16 +157,16 @@ 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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