[Mingw-cross-env-list] libvpx fails to build with "local: build/: bad variable name"

[Simon A. Eugster]

Hello list,

I could build qt4 and gcc, which I'm very glad about, but ffmpeg does 
not want to be built yet. What is the problem here?

thanks,
Simon

$ make build-only-libvpx
rm -rf   '/home/user/mingw-cross-env/tmp-libvpx'
mkdir -p '/home/user/mingw-cross-env/tmp-libvpx'
cd '/home/user/mingw-cross-env/tmp-libvpx' &&   tar xjf 
'/home/user/mingw-cross-env/pkg/libvpx-v1.0.0.tar.bz2'
cd '/home/user/mingw-cross-env/tmp-libvpx/libvpx-v1.0.0'
(cd '/home/user/mingw-cross-env/tmp-libvpx/libvpx-v1.0.0' && patch -p1 
-u) < ./src/libvpx-1-config.patch
patching file configure
(cd '/home/user/mingw-cross-env/tmp-libvpx/libvpx-v1.0.0' && patch -p1 
-u) < ./src/libvpx-2-fix-bin-bash.patch
patching file build/make/armlink_adapter.sh
patching file build/make/configure.sh
patching file build/make/gen_asm_deps.sh
patching file build/make/gen_msvs_def.sh
patching file build/make/gen_msvs_proj.sh
patching file build/make/gen_msvs_sln.sh
patching file build/make/version.sh
patching file configure
cd '/home/user/mingw-cross-env/tmp-libvpx/libvpx-v1.0.0' && 
CROSS='i686-pc-mingw32-' ./configure 
--prefix='/home/user/mingw-cross-env/usr/i686-pc-mingw32' 
--target=x86-win32-gcc --disable-examples --disable-install-docs
Configuring selected codecs
  enabling vp8_encoder
  enabling vp8_decoder
Configuring for target 'x86-win32-gcc'
  enabling x86
  enabling runtime_cpu_detect
  enabling mmx
  enabling sse
  enabling sse2
  enabling sse3
  enabling ssse3
  enabling sse4_1
  using yasm
  enabling postproc
./configure: 1075: local: build/: bad variable name
make: *** [build-only-libvpx] Error 2