> $@-t
@mv $@-t $@
+define gl_trap_
+ Exit () { set +e; (exit $$1); exit $$1; }; \
+ for sig in 1 2 3 13 15; do \
+ eval "trap 'Exit $$(expr $$sig + 128)' $$sig"; \
+ done
+endef
+
# Don't define macros that we already get from gnulib header files.
sc_always_defined_macros: .re-defmac
@if test -d $(gnulib_dir); then \
trap 'rc=$$?; rm -f .re-defmac; exit $$rc' 0; \
- am__exit='(exit $rc); exit $rc'; \
- trap "rc=129; $$am__exit" 1; trap "rc=130; $$am__exit" 2; \
- trap "rc=131; $$am__exit" 3; trap "rc=143; $$am__exit" 15; \
+ $(gl_trap_); \
grep -f .re-defmac $$($(VC_LIST_EXCEPT)) \
&& { echo '$(ME): define the above via some gnulib .h file' \
1>&2; exit 1; } || :; \
sc_system_h_headers: .re-list
@if test -f $(srcdir)/src/system.h; then \
trap 'rc=$$?; rm -f .re-list; exit $$rc' 0; \
- am__exit='(exit $rc); exit $rc'; \
- trap "rc=129; $$am__exit" 1; trap "rc=130; $$am__exit" 2; \
- trap "rc=131; $$am__exit" 3; trap "rc=143; $$am__exit" 15; \
+ $(gl_trap_); \
grep -nE -f .re-list \
$$($(VC_LIST_EXCEPT) | grep '^src/') \
&& { echo '$(ME): the above are already included via system.h'\