[Buildroot] [PATCH 1/1] package/libdrm: fix building if GCC's C standard is not gnu99

[Yann E. MORIN <yann.morin.1998@free.fr>]

Peter, All,

On 2015-07-03 00:19 +0200, Peter Seiderer spake thusly:
> On Fri, 3 Jul 2015 00:05:34 +0200, "Yann E. MORIN" <yann.morin.1998@free.fr> wrote:
> > On 2015-07-02 23:46 +0200, Arnout Vandecappelle spake thusly:
> > > On 07/02/15 23:12, Peter Seiderer wrote:
> > > [snip]
> > > > From build/libv4l-1.6.2/config.log:
> > > > 
> > > > configure:4709: checking for .../host/usr/bin/arm-buildroot-linux-uclibcgnueabi-gcc option to accept ISO C99
> > > > configure:4858: .../host/usr/bin/arm-buildroot-linux-uclibcgnueabi-gcc -std=gnu99 -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64   -Os  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 conftest.c >&5
> > > > conftest.c:54:9: error: unknown type name 'wchar_t'
> > > >    const wchar_t *name;
> > > > 
> > > > 
> > > > The C99 detection problem seems more related to missing wchar_t type support than the compiler option?
> > > 
> > >  Good catch!
> > > 
> > > [Adding Waldemar for uClibc input]
> > > 
> > >  The configure script does include wchar.h, but it seems that wchar_t doesn't
> > > get defined after all... Waldemar, any idea?
> > 
> > No wchar support in the toolchain, maybe?
> > 
> > Peter, can you confirm your toolchain is missing wchar (BR2_USE_WCHAR)?
> >
> 
> Used up to date raspberrypi_defconfig, no wchar support enabled:

Note that I just updated it two days ago. ;-)

> # BR2_TOOLCHAIN_BUILDROOT_WCHAR is not set

OK, thanks; that explains it.

Still ,that autoconf test is broken... :-(

Regards,
Yann E. MORIN.

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