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Commit cc835752 authored by Jamie Iles's avatar Jamie Iles Committed by Ingo Molnar
Browse files

perf tools: Allow cross compiling 



For embedded platforms, we want to be able to build the perf
tools on a build machine to run on a different arch. This patch
allows $CROSS_COMPILE to set the cross compiler.

Additionally, if NO_LIBPERL is set, then don't use perl include
paths as they will be for the host arch.

Signed-off-by: default avatarJamie Iles <jamie.iles@picochip.com>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <1260523260-15694-2-git-send-email-jamie.iles@picochip.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 0bb38a5c

tools/perf/Makefile

+4 −2
Original line number Original line Diff line number Diff line
@@ -237,8 +237,8 @@ lib = lib 




export prefix bindir sharedir sysconfdir

export prefix bindir sharedir sysconfdir





CC = gcc

CC = $(CROSS_COMPILE)gcc

AR = ar

AR = $(CROSS_COMPILE)ar

RM = rm -f

RM = rm -f

TAR = tar

TAR = tar

FIND = find

FIND = find
@@ -492,8 +492,10 @@ else 
	LIB_OBJS += util/probe-finder.o

	LIB_OBJS += util/probe-finder.o

endif

endif





ifndef NO_LIBPERL

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

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

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

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

endif





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)

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

	BASIC_CFLAGS += -DNO_LIBPERL