From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org
Subject: [PATCH] Calculate SUBARCH in common makefile
Date: Tue, 26 Jul 2011 11:16:00 +0400 [thread overview]
Message-ID: <1311664560-18006-1-git-send-email-antonynpavlov@gmail.com> (raw)
This patch make possible to use SUBARCH no only
in sandbox makefile.
E.g. this patch make possible CROSS_COMPILER variable
autoconstruction for mips architecture.
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
Makefile | 12 ++++++++++++
arch/sandbox/Makefile | 5 -----
2 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/Makefile b/Makefile
index 38dc3b0..ce1f72d 100644
--- a/Makefile
+++ b/Makefile
@@ -145,6 +145,18 @@ VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))
export srctree objtree VPATH
+# SUBARCH tells the usermode build what the underlying arch is. That is set
+# first, and if a usermode build is happening, the "ARCH=um" on the command
+# line overrides the setting of ARCH below. If a native build is happening,
+# then ARCH is assigned, getting whatever value it gets normally, and
+# SUBARCH is subsequently ignored.
+
+SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
+ -e 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/ )
+
# Cross compiling and selecting different set of gcc/bin-utils
# ---------------------------------------------------------------------------
#
diff --git a/arch/sandbox/Makefile b/arch/sandbox/Makefile
index 4ca17ed..e7afda3 100644
--- a/arch/sandbox/Makefile
+++ b/arch/sandbox/Makefile
@@ -32,11 +32,6 @@ else
CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
endif
-SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
- -e s/arm.*/arm/ -e s/sa110/arm/ \
- -e s/s390x/s390/ -e s/parisc64/parisc/ \
- -e s/ppc.*/powerpc/ -e s/mips.*/mips/ )
-
ifeq ($(SUBARCH),x86_64)
ELF_ARCH := i386:x86-64
ELF_FORMAT := elf64-x86-64
--
1.7.5.4
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