-$(srcdir)/configure: $(srcdir)/configure.in $(srcdir)/aclocal.m4
- cd $(srcdir); autoconf
-
-$(srcdir)/config.h.in: $(srcdir)/configure.in $(srcdir)/aclocal.m4
- cd $(srcdir); autoheader
-
-$(srcdir)/rsync.1: $(srcdir)/rsync.yo
- yodl2man -o $(srcdir)/rsync.1 $(srcdir)/rsync.yo
+configure.sh config.h.in: configure.in aclocal.m4
+ @if test -f configure.sh; then cp -p configure.sh configure.sh.old; else touch configure.sh.old; fi
+ @if test -f config.h.in; then cp -p config.h.in config.h.in.old; else touch config.h.in.old; fi
+ autoconf -o configure.sh
+ autoheader && touch config.h.in
+ @if diff configure.sh configure.sh.old >/dev/null 2>&1; then \
+ echo "configure.sh is unchanged."; \
+ rm configure.sh.old; \
+ else \
+ echo "configure.sh has CHANGED."; \
+ fi
+ @if diff config.h.in config.h.in.old >/dev/null 2>&1; then \
+ echo "config.h.in is unchanged."; \
+ rm config.h.in.old; \
+ else \
+ echo "config.h.in has CHANGED."; \
+ fi
+ @if test -f configure.sh.old -o -f config.h.in.old; then \
+ if test "$(MAKECMDGOALS)" = reconfigure; then \
+ echo 'Continuing with "make reconfigure".'; \
+ else \
+ echo 'You may need to run:'; \
+ echo ' make reconfigure'; \
+ exit 1; \
+ fi \
+ fi