+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; \
+ 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; \
+ fi
+ @if test -f configure.sh.old -o -f config.h.in.old; then \
+ if test "$(MAKECMDGOALS)" = reconfigure; then \
+ echo 'Configure files changed -- continuing with "make reconfigure".'; \
+ else \
+ echo 'Configure files changed -- perhaps run:'; \
+ echo ' make reconfigure'; \
+ exit 1; \
+ fi \
+ fi