-lib lib-src lisp leim nt: Makefile FRC
- cd $@ && $(MAKE) all $(MFLAGS) \
- CC='${CC}' CFLAGS='${CFLAGS}' CPPFLAGS='${CPPFLAGS}' \
- LDFLAGS='${LDFLAGS}' MAKE='${MAKE}'
-
-# Pass to src/Makefile.in an additional BOOTSTRAPEMACS variable which
-# is either set to bootstrap-emacs (in case bootstrap-emacs has not been
-# constructed yet) or the empty string (otherwise).
-# src/Makefile.in uses it to implement conditional dependencies, so that
-# files that need bootstrap-emacs to be built do not additionally need
-# to be kept fresher than bootstrap-emacs. Otherwise changing a single
-# file src/foo.c forces dumping a new bootstrap-emacs, then re-byte-compiling
-# all preloaded elisp files, and only then dump the actual src/emacs, which
-# is not wrong, but is overkill in 99.99% of the cases.
-src: Makefile FRC
- boot=bootstrap-emacs$(EXEEXT); \
- if [ ! -x "src/$$boot" ]; then \
- cd $@; $(MAKE) all $(MFLAGS) \
- CC='${CC}' CFLAGS='${CFLAGS}' CPPFLAGS='${CPPFLAGS}' \
- LDFLAGS='${LDFLAGS}' MAKE='${MAKE}' BOOTSTRAPEMACS="$$boot"; \
- fi;
- if [ -r .bzr/checkout/dirstate ]; then \
- vcswitness="`pwd`/.bzr/checkout/dirstate"; \
- fi; \
- cd $@; $(MAKE) all $(MFLAGS) \
- CC='${CC}' CFLAGS='${CFLAGS}' CPPFLAGS='${CPPFLAGS}' \
- LDFLAGS='${LDFLAGS}' MAKE='${MAKE}' BOOTSTRAPEMACS="" \
- VCSWITNESS="$$vcswitness"
-
-blessmail: Makefile src FRC
- cd lib-src && $(MAKE) maybe-blessmail $(MFLAGS) \
- MAKE='${MAKE}' archlibdir='$(archlibdir)'
+lib lib-src lisp nt: Makefile
+ $(MAKE) -C $@ all
+
+# Note the use of single quotes in the value of vcswitness.
+# This passes an unexpanded $srcdir to src's Makefile, which then
+# expands it using its own value of srcdir (which points to the
+# source directory of src/).
+src: Makefile
+ dirstate='.bzr/checkout/dirstate'; \
+ vcswitness='$$(srcdir)/../'$$dirstate; \
+ [ -r "$(srcdir)/$$dirstate" ] || vcswitness=''; \
+ $(MAKE) -C $@ all VCSWITNESS="$$vcswitness"
+
+blessmail: Makefile src
+ $(MAKE) -C lib-src maybe-blessmail