perf trace/scripting: Silence PERL_EMBED_* backtick errors (f8be4231) · Commits · 戴 / test

The backtick shell substitutions for PERL_EMBED_LDOPT/CCOPT make a lot of noise on stderr if Embed.pm isn't installed - this silences them. Signed-off-by:

Tom Zanussi <tzanussi@gmail.com> Cc: fweisbec@gmail.com Cc: rostedt@goodmis.org Cc: anton@samba.org Cc: hch@infradead.org LKML-Reference: <1259565529-6407-2-git-send-email-tzanussi@gmail.com> Signed-off-by:

Ingo Molnar <mingo@elte.hu>

tools/perf/Makefile

+2 −2

Original line number	Diff line number	Diff line
		@@ -490,8 +490,8 @@ else
		LIB_OBJS += util/probe-finder.o
		endif

		PERL_EMBED_LDOPTS = `perl -MExtUtils::Embed -e ldopts`
		PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts`
		PERL_EMBED_LDOPTS = `perl -MExtUtils::Embed -e ldopts 2>/dev/null`
		PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`

		ifneq ($(shell sh -c "(echo '\#include <EXTERN.h>'; echo '\#include <perl.h>'; echo 'int main(void) { perl_alloc(); return 0; }') \| $(CC) -x c - $(PERL_EMBED_CCOPTS) -o /dev/null $(PERL_EMBED_LDOPTS) > /dev/null 2>&1 && echo y"), y)
		BASIC_CFLAGS += -DNO_LIBPERL

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