399fed0afa
- export CONFIG_SHELL=/bin/sh before running configure: results in
the shell script (zcat/zgrep/…) to receive a /bin/sh shebang
instead of requiring bash (the local shell used to build).
- Use for i in $(seq 1 9) instead of bashism for in in {1..9}, and
drop buildshell definition to require bash.
OBS-URL: https://build.opensuse.org/request/show/1104202
OBS-URL: https://build.opensuse.org/package/show/Base:System/gzip?expand=0&rev=93