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perf_counter: tools: Makefile tweaks for 64-bit powerpc

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On 64-bit powerpc, perf needs to be built as a 64-bit executable.
This arranges to add the -m64 flag to CFLAGS if we are running on
a 64-bit machine, indicated by the result of uname -m ending in "64".
This means that we'll use -m64 on x86_64 machines as well.

Signed-off-by: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: [email protected]
Cc: [email protected]
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Paul Mackerras 2009-06-17 21:54:26 +10:00 • committed by Ingo Molnar
commit e24a72c4d8
1 changed files with 6 additions and 1 deletions
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7
tools/perf/Makefile
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@ -157,9 +157,14 @@ uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not')
uname_P := $(shell sh -c 'uname -p 2>/dev/null || echo not')
uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not')
# If we're on a 64-bit kernel, use -m64
ifneq ($(patsubst %64,%,$(uname_M)),$(uname_M))
M64 := -m64
endif
# CFLAGS and LDFLAGS are for the users to override from the command line.
CFLAGS = -ggdb3 -Wall -Werror -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement -O6
CFLAGS = $(M64) -ggdb3 -Wall -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement -O6
LDFLAGS = -lpthread -lrt -lelf -lm
ALL_CFLAGS = $(CFLAGS)
ALL_LDFLAGS = $(LDFLAGS)