[Mesa-dev] [PATCH] configure.ac: unbreak the build with non gnu grep

[Jan Vesely]

On Wed, 2014-09-10 at 16:11 +1000, Jonathan Gray wrote:
> 181581280bd430d122d416e308c1de82db82da04 changed the way the
> llvm-config version is read from sed to grep and introduced
> a requirement for gnu grep extension that treats BREs as EREs.
> 
> Avoid this by calling egrep instead of grep which should be
> able to handle EREs everywhere.
> 
> This allows Mesa to build on OpenBSD again.
> 
> Signed-off-by: Jonathan Gray <jsg at jsg.id.au>

I don't have a BSD machine to test, but this works OK on my Linux box.
Acked-by: Jan Vesely <jan.vesely at rutgers.edu>

> ---
>  configure.ac | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 985ad4c..f3ee387 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -1695,7 +1695,7 @@ if test "x$enable_gallium_llvm" = xyes; then
>      fi
>  
>      if test "x$LLVM_CONFIG" != xno; then
> -        LLVM_VERSION=`$LLVM_CONFIG --version | grep -o '^[[0-9.]]\+'`
> +        LLVM_VERSION=`$LLVM_CONFIG --version | egrep -o '^[[0-9.]]+'`
>          LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
>          LLVM_BINDIR=`$LLVM_CONFIG --bindir`
>          LLVM_CPPFLAGS=`strip_unwanted_llvm_flags "$LLVM_CONFIG --cppflags"`

-- 
Jan Vesely <jan.vesely at rutgers.edu>
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