diff options
| -rw-r--r-- | tools/perf/Makefile | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile index e8346f95fbb..714db7327b9 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -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) |