Commit-ID: 0a943cb10ce783a1c55adf6f52f62bcbd5f49314
Gitweb: http://git.kernel.org/tip/0a943cb10ce783a1c55adf6f52f62bcbd5f49314
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Fri, 22 Jul 2016 09:55:53 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 22 Jul 2016 16:25:45 -0300
tools build: Add HOSTARCH Makefile variable
For tools that needs to be always compiled with the host headers.
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-907q32k2nep6q670dkxypmu6@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/scripts/Makefile.arch | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/tools/scripts/Makefile.arch b/tools/scripts/Makefile.arch
index e11fbd6..887321c 100644
--- a/tools/scripts/Makefile.arch
+++ b/tools/scripts/Makefile.arch
@@ -1,14 +1,13 @@
-ifndef ARCH
-ARCH := $(shell uname -m 2>/dev/null || echo not)
-endif
-
-ARCH := $(shell echo $(ARCH) | sed -e s/i.86/x86/ -e s/x86_64/x86/ \
+HOSTARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \
-e s/sun4u/sparc/ -e s/sparc64/sparc/ \
-e /arm64/!s/arm.*/arm/ -e s/sa110/arm/ \
-e s/s390x/s390/ -e s/parisc64/parisc/ \
-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
-e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \
-e s/tile.*/tile/ )
+ifndef ARCH
+ARCH := $(HOSTARCH)
+endif
LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
ifeq ($(LP64), 1)
--
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