Fix build dependencies for scripts copied to build directory

- Add dependencies in bin/Makefile.in and cron/Makefile.in so build directory
  files are rebuilt when source files change
- Make install targets depend on all target to ensure build files are current
- Ensure build directories exist before descending into subdirectories
- This fixes the issue where changes to source scripts weren't reflected in
  the build directory until a clean rebuild

Author: jared mauch

Makefile.in

@@ -75,7 +75,13 @@ EXCLUDES = --exclude=CVS --exclude=.cvsignore --exclude=Makefile* --exclude=*.fi
 
 all: subdirs
 
-subdirs: $(SUBDIRS)
+# Ensure build directory scripts are built before descending into subdirectories.
+# The actual rules for individual files are generated by configure from the SCRIPTS variable.
+# We depend on the directories and let the individual file rules handle the rest.
+build/bin build/cron:
+	@mkdir -p $@
+
+subdirs: build/bin build/cron $(SUBDIRS)
 	for d in $(SUBDIRS); \
 	do \
 	    (cd $$d; $(MAKE)); \

bin/Makefile.in

@@ -64,9 +64,9 @@ INSTALL_PROGRAM=$(INSTALL) -m $(EXEMODE)
 
 # Rules
 
-all:
+all: $(SCRIPTS:%=$(BUILDDIR)/%)
 
-install:
+install: all
 	for f in $(SCRIPTS); \
 	do \
 	    $(INSTALL) -m $(EXEMODE) $(BUILDDIR)/$$f $(DESTDIR)$(SCRIPTSDIR); \

cron/Makefile.in

@@ -56,9 +56,9 @@ FILEMODE=	644
 
 # Rules
 
-all:
+all: $(PROGRAMS:%=$(BUILDDIR)/%)
 
-install:
+install: all
 	for f in $(FILES); \
 	do \
 	    $(INSTALL) -m $(FILEMODE) $$f $(DESTDIR)$(CRONDIR); \