Re: MIPS -mplt option in N32 abi system

[David Daney <ddaney at caviumnetworks dot com>]

Zhang Le wrote:
> Hi there,
>
> I have just tried gcc 4.4 svn trunk on a MIPS N32 system.
> But I found -mplt is practically not usable, because -mno-shared is not used
> when generating non-PIC code.
>
> I dug into the code and found the cause is in gcc/config/mips/linux64.h.
> Unlike linux.h under the same directory, DRIVER_SELF_SPECS in linux64.h has no
> LINUX_DRIVER_SELF_SPECS.
>
> Is it left out intentionally?
> However it seems to me that -mplt works on N32 system.
>
> So what about the patch attached? ok to apply?
[...]
> BASE_DRIVER_SELF_SPECS \
> +LINUX_DRIVER_SELF_SPECS \
> " %{!EB:%{!EL:%(endian_spec)}}" \
> " %{!mabi=*: -mabi=n32}"

You are missing a comma there between BASE_DRIVER_SELF_SPECS and
LINUX_DRIVER_SELF_SPECS. Without the comma, I am told that
gcc.target/mips/pr35802.c FAILs. Other than that (and some formatting)
this patch is equivalent to:

http://gcc.gnu.org/ml/gcc-patches/2008-12/msg00033.html

David Daney