kbuild: Fix gcc -x syntax

[karo-tx-linux.git] / tools / perf / Makefile

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 032ba6398a5c696cc46b0957d9452b68aad2d660..071abe1a9dcbb06a11d714f87a4c9f4a5d1587f6 100644 (file)
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -52,7 +52,10 @@ ifeq ($(ARCH),i386)
 endif
 ifeq ($(ARCH),x86_64)
        ARCH := x86
-       IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -xc - | tail -n 1)
+       IS_X86_64 := 0
+       ifeq (, $(findstring m32,$(EXTRA_CFLAGS)))
+               IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1)
+       endif
        ifeq (${IS_X86_64}, 1)
                RAW_ARCH := x86_64
                ARCH_CFLAGS := -DARCH_X86_64
@@ -633,7 +636,7 @@ prefix_SQ = $(subst ','\'',$(prefix))
 
 SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
 
-LIBS = -Wl,--whole-archive $(PERFLIBS) -Wl,--no-whole-archive $(EXTLIBS)
+LIBS = -Wl,--whole-archive $(PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group
 
 ALL_CFLAGS += $(BASIC_CFLAGS)
 ALL_CFLAGS += $(ARCH_CFLAGS)