src_name=bison
git_commit=d6445ec10bf296f3652c2231167ced977b803f5d
git_url0=git://git.savannah.gnu.org/$src_name.git

gnulib_git_commit=f5f067f896b71a96c882b96c35759aeea2fa3072
gnulib_git_url0=git://git.savannah.gnu.org/gnulib.git

# this is a "required submodule" for the bootstrap
autoconf_git_commit=487d6aaaa4fe45001d30c439ea6240fc74f1b5d7
autoconf_git_url0=git://git.sv.gnu.org/autoconf.git

pkg_dir=$pkgs_dir_root/$pkg_name
src_dir=$src_dir_root/$src_name
rm -Rf $pkg_dir
mkdir -p $pkgs_dir_root
cp -r $src_dir $pkg_dir

#-------------------------------------------------------------------------------
cd $pkg_dir
git checkout --force $git_commit
git reset --hard
# we do trust the version of the gnulib

# we have to copy the autoconf submodule
rm -R ./submodules/autoconf
cp -r $nyan_root/src/autoconf ./submodules

# the following has is pure abomination (and those doing that think they are
# smart... but are actually insane)
OLD_PATH=$PATH
#export PATH=$sdk_gettext_path/bin:$sdk_texinfo_path/bin:$sdk_perl_path/bin:$PATH
export PATH=$sdk_gettext_path/bin:$sdk_perl_path/bin:$PATH
#PERL=$sdk_perl_path/bin/perl ./bootstrap --gnulib-srcdir=$src_dir_root/gnulib --copy --no-git --skip-po
./bootstrap --gnulib-srcdir=$src_dir_root/gnulib --copy --no-git --skip-po
export PATH=$OLD_PATH
#-------------------------------------------------------------------------------

build_dir=$builds_dir_root/$pkg_name-$target_gnu_triple
rm -Rf $build_dir
mkdir -p $build_dir
cd $build_dir

OLD_PATH=$PATH
export PATH=$cross_toolchain_dir_root/bin:$PATH

# at link time, the only way to tell gnu ld where to look for shared lib dependencies is to pass the -rpath-link option
export "CC=$target_gnu_triple-gcc -B$target_sysroot/nyan/glibc/current/lib -L$target_sysroot/nyan/glibc/current/lib -Wl,-rpath-link,$target_sysroot/nyan/glibc/current/lib -static-libgcc"
export 'CFLAGS=-O2 -pipe -fPIC'
export PERL=$sdk_perl_path/bin/perl
$pkg_dir/configure			\
	--build=$build_gnu_triple	\
	--host=$target_gnu_triple	\
	--prefix=/nyan/bison/0		\
	--enable-threads=posix		\
	--disable-assert		\
	--disable-nls
unset PERL
unset CFLAGS
unset CC

#make -j $threads_n
make 
make install DESTDIR=$target_sysroot

rm -Rf $build_dir $pkg_dir
export PATH=$OLD_PATH