[DVDnav-discuss] [PATCH] configure: fix build on NIOS II platform

[Diego Biurrun]

On Sat, May 17, 2014 at 10:26:00AM +0200, Thomas Petazzoni wrote:
> NIOS II is a CPU architecture from Altera, which uses 'nios2' as the
> architecture part of the tuple. Unfortunately, 'nios2' matches the
> current '*os2*' test done by libdvdread's configure script to detect
> the OS/2 operating system. This leads to build issues as the build
> process of libdvdread then tries to use OS/2 specific compiler
> options, that do not exist in the gcc used for Linux/NIOS2.
> 
> To fix this, this patch makes the test for OS/2 a little bit more
> specific: in the case of the OS/2 operating system, the OS part of the
> tuple contains just 'os2' (confirmed by looking at config.guess and
> config.sub in the gnuconfig project). So using '*-os2-*' will properly
> match the OS/2 operating system but not the NIOS II architecture.
> 
> --- a/configure.ac
> +++ b/configure.ac
> @@ -56,7 +56,7 @@ AS_CASE([$host],
>  
>  AS_CASE([$host],
> -  [*os2*], LDFLAGS="-no-undefined -Zbin-files $LDFLAGS")
> +  [*-os2-*], LDFLAGS="-no-undefined -Zbin-files $LDFLAGS")

LGTM

Please also send patches to the libdvdnav-devel at videolan.org mailing
list.

Diego