+SSH_VERSION = $(shell ssh -V 2>&1)
+config: $(LOCAL_CONFIG) config.in
+ cat $^ > $@
+ case "$(SSH_VERSION)" in \
+ (OpenSSH_6.*) \
+ sed -ri -e 's,^.+\bCanonical.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bIgnoreUnknown\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bUpdateHostKeys\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^Match host ,Host ,' \
+ $@ \
+ ;; \
+ (OpenSSH_5.*) \
+ sed -ri -e 's,^.+\bControlPersist\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bIPQoS\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bCanonical.+$$,##UNSUPPORTED##&,' \
+ $@ \
+ ;; \
+ (OpenSSH_4.7*) \
+ sed -ri -e 's,^.+\bVisualHostKey\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bControlPersist\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bIPQoS\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bCanonical.+$$,##UNSUPPORTED##&,' \
+ $@ \
+ ;; \
+ (OpenSSH_4.3*) \
+ sed -ri -e 's,^.+\bExitOnForwardFailure\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bMACs\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^(.+ControlPath ~/.var/ssh/ssh_control_)%l_(.+),\1\2,' \
+ -e 's,^.+\bVisualHostKey\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bControlPersist\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bIPQoS\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bCanonical.+$$,##UNSUPPORTED##&,' \
+ $@ \
+ ;; \
+ (3.9*) \
+ sed -ri -e 's,^.+\bExitOnForwardFailure\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bMACs\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bHashKnownHosts\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bControl(Master|Path|Persist)\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bIPQoS\b.+$$,##UNSUPPORTED##&,' \
+ -e 's,^.+\bCanonical.+$$,##UNSUPPORTED##&,' \
+ $@ \