https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91084
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
This is not a BSD problem, it's just a case of writing a portable shell script.
This should work:
--- a/contrib/download_prerequisites
+++ b/contrib/download_prerequisites
@@ -241,9 +241,15 @@ unset ar
for ar in $(echo_archives)
do
package="${ar%.tar*}"
+ decompress_flag=
+ case $ar:$OS in
+ *.tar.gz:OpenBSD) decompress_flag=-z ;;
+ *.tar.bz2:OpenBSD) decompress_flag=-j ;;
+ *:OpenBSD) die "Unknown format: ${ar#*.tar}" ;;
+ esac
if [ ${force} -gt 0 ]; then rm -rf "${directory}/${package}"; fi
[ -e "${directory}/${package}" ]
\
- || ( cd "${directory}" && tar -xf "${ar}" )
\
+ || ( cd "${directory}" && tar $decompress_flag -xf "${ar}" )
\
|| die "Cannot extract package from ${ar}"
unset package
done
