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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: Jamie 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: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jamie Iles 2009-12-11 09:21:00 +00:00 committed by Ingo Molnar
parent 0bb38a5cde
commit cc835752ae
1 changed files with 4 additions and 2 deletions
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6
tools/perf/Makefile
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@ -237,8 +237,8 @@ lib = lib
export prefix bindir sharedir sysconfdir
CC = gcc
AR = ar
CC = $(CROSS_COMPILE)gcc
AR = $(CROSS_COMPILE)ar
RM = rm -f
TAR = tar
FIND = find
@ -492,8 +492,10 @@ else
LIB_OBJS += util/probe-finder.o
endif
ifndef NO_LIBPERL
PERL_EMBED_LDOPTS = `perl -MExtUtils::Embed -e ldopts 2>/dev/null`
PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
endif
ifneq ($(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)
BASIC_CFLAGS += -DNO_LIBPERL