Re: [patch, nios2] Fix PR78357, adjust sync builtin initialization

[Jeff Law <law at redhat dot com>]

On 11/16/2016 02:53 AM, Chung-Lin Tang wrote:
> This patch adjusts the initialization of __sync built-in functions:
> instead of conditionalizing on TARGET_LINUX_ABI, directly place the
> target-hook #define in config/nios2/linux.h.  This appears to be in line
> with other similar ports, e.g. m68k.
>
> Sebastian, this should solve your issue of not wanting __sync_* libcalls
> generated on RTEMS (which also uses TARGET_LINUX_ABI due to TLS support),
> can you verify it works for you?
>
> Chung-Lin
>
> 	PR target/78357
> 	* config/nios2/nios2.c (nios2_init_libfuncs): Remove TARGET_LINUX_ABI
> 	condition.
> 	(TARGET_INIT_LIBFUNCS): Delete definition and...
> 	* config/nios2/linux.h (TARGET_INIT_LIBFUNCS): ...move to here, add
> 	comments.
I fear you may have botched this;

g++ -fno-PIE -c   -g  -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE 
-fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall 
-Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute 
-Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros 
-Wno-overlength-strings -Werror -fno-common  -DHAVE_CONFIG_H -I. -I. 
-I/home/law/gcc-testing/gcc/gcc -I/home/law/gcc-testing/gcc/gcc/. 
-I/home/law/gcc-testing/gcc/gcc/../include 
-I/home/law/gcc-testing/gcc/gcc/../libcpp/include 
-I/opt/cfarm/mpc/include 
-I/home/law/gcc-testing/gcc/gcc/../libdecnumber 
-I/home/law/gcc-testing/gcc/gcc/../libdecnumber/dpd -I../libdecnumber 
-I/home/law/gcc-testing/gcc/gcc/../libbacktrace   -o nios2.o -MT nios2.o 
-MMD -MP -MF ./.deps/nios2.TPo 
/home/law/gcc-testing/gcc/gcc/config/nios2/nios2.c
/home/law/gcc-testing/gcc/gcc/config/nios2/nios2.c:3608:1: error: ‘void 
nios2_init_libfuncs()’ defined but not used [-Werror=unused-function]
 nios2_init_libfuncs (void)

nios2-elf configuration

jeff