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ARC: [build] silence make defconfig warnings with host gcc 4.7

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We do cross compiles for ARC Linux.
With gcc 4.7, a make defconfig spews out the following:

------------------->8--------------------------
make ARCH=arc defconfig
gcc: error: unrecognized command line option '-marc600'
gcc: error: unrecognized command line option '-mA7'
gcc: error: unrecognized command line option '-mno-sdata'
gcc: error: unrecognized command line option '-mno-mpy'
*** Default configuration is based on 'fpga_defconfig'
------------------->8--------------------------

This apparently is coming from LIBGCC line - which is strange to be
invoked for defconfig generation.

Reported-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta
2013-03-21 12:22:06 +05:30
parent 610c6502e0
commit af4c3ae399
1 changed files with 4 additions and 0 deletions
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arch/arc/Makefile
+4
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@@ -8,6 +8,10 @@
UTS_MACHINE := arc
ifeq ($(CROSS_COMPILE),)
CROSS_COMPILE := arc-elf32-
endif
KBUILD_DEFCONFIG := fpga_defconfig
cflags-y += -mA7 -fno-common -pipe -fno-builtin -D__linux__