[PATCH] Add ld_list_options

[Steve Ellcey]

I have verified that this is the checkin where my linker configure
started failing.

Steve Ellcey
sellcey@imgtec.com

On Wed, 2015-04-08 at 09:15 -0700, Steve Ellcey wrote:
> On Tue, 2015-04-07 at 10:12 -0700, H.J. Lu wrote:
> > This patch adds ld_list_options for ELF targets to avoid duplicated
> > outputs from ld --help.  Any comments, suggestions or objections?
> > 
> > H.J.
> > --
> > 	* Makefile.am (ELF_CLFAGS): New.
> > 	(AM_CFLAGS): Add $(ELF_CLFAGS).
> > 	* configure.ac (elf_list_options): New.  AC_SUBST.
> > 	(elf_shlib_list_options): Likewise.
> > 	(elf_plt_unwind_list_options): Likewise.
> > 	* lexsup.c (elf_shlib_list_options): New.
> > 	(elf_static_list_options): Likewise.
> > 	(elf_plt_unwind_list_options): Likewise.
> > 	(ld_list_options): Likewise.
> > 	(help): Call ld_list_options.
> > 	* Makefile.in: Regenerated.
> > 	* configure: Likewise.
> > 	* emulparams/plt_unwind.sh (PLT_UNWIND): New.
> > 	(PARSE_AND_LIST_OPTIONS): Removed.
> > 	* emultempl/elf32.em (gld_list_options): New.
> > 	(gld${EMULATION_NAME}_list_options): Define only if BNDPLT or
> > 	PARSE_AND_LIST_OPTIONS is defined.
> > 	(ld_${EMULATION_NAME}_emulation): Replace
> > 	gld${EMULATION_NAME}_list_options with ${gld_list_options.
> 
> I am not entirely sure this patch is at fault (I will double check) but
> this morning when I tried to build a cross linker (running on x86 linux
> and targetting mips-mti-linux-gnu) I got this failure during the ld
> configure:
> 
> 
> checking whether ANSI C string concatenation works... yes
> checking size of void *... 8
> /scratch/sellcey/repos/sim-bug/src/binutils/ld/configure: unhandled
> emulation
> make: *** [configure-ld] Error 1
> Error: Make command failed, stopping build.
> 
> 
> Has anyone else seen this?
> 
> Steve Ellcey
> sellcey@imgtec.com
>