Compile errors for 1.8.0 on ARM processors

[Jussi Kivilinna]

On 22.07.2017 17:47, Chris Horry wrote:
> Hello Team,
> 
> I'm compiling 1.8.0 on an ARM system (armv7l, Raspberry Pi 3) and receiving the following error:
> 
> make[2]: Entering directory '/usr/local/src/gnupg/libgcrypt-1.8.0/cipher'
> /bin/bash ../libtool    --mode=compile gcc -DHAVE_CONFIG_H -I. -I..  -I../src -I../src  -Wa,--noexecstack -g -O2 -MT rijndael-armv8-aarch32-ce.lo -MD -MP -MF .deps/rijndael-armv8-aarch32-ce.Tpo -c -o rijndael-armv8-aarch32-ce.lo rijndael-armv8-aarch32-ce.S
> libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -I../src -I../src -Wa,--noexecstack -g -O2 -MT rijndael-armv8-aarch32-ce.lo -MD -MP -MF .deps/rijndael-armv8-aarch32-ce.Tpo -c rijndael-armv8-aarch32-ce.S  -fPIC -DPIC -o .libs/rijndael-armv8-aarch32-ce.o
> rijndael-armv8-aarch32-ce.S: Assembler messages:
> rijndael-armv8-aarch32-ce.S:1165: Error: selected processor does not support ARM mode `rbit r8,lr'
..snip..
> 
> gcc (Raspbian 4.9.2-10) 4.9.2
> Copyright (C) 2014 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> 
> Linux sluggo 4.9.35-v7+ #1014 SMP Fri Jun 30 14:47:43 BST 2017 armv7l GNU/Linux
> 
> Please let me know if you need any other information.  I have previously compiled 1.7.x with no issues.  
> 

Does the attached patch solve the issue?

-Jussi
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