[PATCH 7/7] enable -Wwrite-strings for gas

[Trevor Saunders]

On Fri, Apr 01, 2016 at 12:21:46PM +0100, Jiong Wang wrote:
> 
> On 30/03/16 02:13, tbsaunde+binutils@tbsaunde.org wrote:
> >From: Trevor Saunders <tbsaunde+binutils@tbsaunde.org>
> >
> >We add a new AC_SUBST to warning.m4 so that the test if the warning is
> >supported is centralized, but the warning can be enabled per directory.
> >
> >binutils/ChangeLog:
> >
> >2016-03-29  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>
> >
> >	* configure: Regenerate.
> >
> >gprof/ChangeLog:
> >
> >2016-03-29  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>
> >
> >	* configure: Regenerate.
> >
> >ld/ChangeLog:
> >
> >2016-03-29  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>
> >
> >	* configure: Regenerate.
> >
> >opcodes/ChangeLog:
> >
> >2016-03-29  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>
> >
> >	* configure: Regenerate.
> >
> >bfd/ChangeLog:
> >
> >2016-03-29  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>
> >
> >	* configure: Regenerate.
> >	* warning.m4: Add WARN_WRITE_STRINGS AC_SUBST.
> >
> >gold/ChangeLog:
> >
> >2016-03-29  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>
> >
> >	* configure: Regenerate.
> >
> >gas/ChangeLog:
> >
> >2016-03-29  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>
> >
> >	* Makefile.am: Add WARN_WRITE_STRINGS to WARN_CFLAGS.
> >	* Makefile.in: Regenerate.
> >	* configure: Likewise.
> 
> 
> This caused build failures when binutils-gdb is configured with
> --disable-nls, for example:
> 
> ../configure --disable-nls
> make
> 
> 
> ../../binutils-gdb-commit/gas/expr.c: In function ‘expr’:
> ../../binutils-gdb-commit/gas/expr.c:1919:8: error: passing argument 1 of
> ‘as_warn_value_out_of_range’ discards ‘const’ qualifier from pointer target
> type [-Werror]
>         NULL, 0);

bleh, it looks like asintl.h does
#define _(string) (string)
which isn't compatible with the standard prototype of gettext().  I
expect adding a cast there should fix it, though maybe you need to fix a
couple other macros there?  I'll start testing that in a few minutes.

sorry about the breakage.

Trev

>