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build: don't add -fno-plt for ARC

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Curent ARC toolchain fails to build libstdc++ if -fno-plt is used.
Lots of following error messages appear:
------------------->8------------------
...
staging_dir/toolchain-arc_arc700_gcc-arc-2015.06_uClibc-1.0.9/arc-openwrt-linux-uclibc/bin/ld:
BFD (GNU Binutils) 2.23.2 assertion fail elf32-arc.c:2786
collect2: error: ld returned 1 exit status
------------------->8------------------

In newer binutils (still in development) for ARC rewritten from
scratch this seem to not happen, so once new binutils for ARC hit
the street this patch might be reverted.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Felix Fietkau <nbd@openwrt.org>
Cc: Jo-Philipp Wich <jow@openwrt.org>
Cc: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 48642
This commit is contained in:
Felix Fietkau 2016-02-07 13:29:16 +00:00
parent 522bba5e42
commit be9e991b88
1 changed files with 1 additions and 1 deletions
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2
config/Config-devel.in
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@ -106,7 +106,7 @@ menuconfig DEVEL
config EXTRA_OPTIMIZATION
string "Additional compiler options" if DEVEL
default "-fno-caller-saves -fno-plt" if !CONFIG_EXTERNAL_TOOLCHAIN
default "-fno-caller-saves -fno-plt" if !CONFIG_EXTERNAL_TOOLCHAIN && !arc
default "-fno-caller-saves"
help
Extra target-independent optimizations to use when building for the target.