Output md5 sums into stamp file, to avoid having to commit stamp file on every timestamp change

doc/Makefile.am

@@ -25,12 +25,13 @@ build-docs: stamp-help
 medit.1: man-medit.t2t
 	$(TXT2TAGS) --target=man --outfile=$(srcdir)/medit.1 $(srcdir)/man-medit.t2t
 
-stamp-help: $(t2t_sources) makedocs
+stamp_help_deps = $(t2t_sources) makedocs
+stamp-help: $(stamp_help_deps)
 	cd $(srcdir) && \
 	rm -fr help && \
 	$(mkdir_p) help && \
-	TXT2TAGS=$(TXT2TAGS) $(srcdir)/makedocs $(srcdir)/medit.t2t && \
-	echo `date` > stamp-help
+	TXT2TAGS=$(TXT2TAGS) $(srcdir)/makedocs $(srcdir)/medit.t2t \
+		$(srcdir)/stamp-help $(stamp_help_deps)
 
 medit.lo: build-docs
 prefs.lo: build-docs

doc/makedocs

@@ -8,6 +8,18 @@ infile="$1"
 outfile="$thisdir"/`basename $infile .t2t`.html
 outdir="$thisdir/help"
 
+shift
+stamp="$1"
+shift
+rm -f stamp-help.tmp
+for arg; do
+  if [ ! -f "$arg" ]; then
+    echo "OOPS" >&2
+  else
+    (cd $srcdir && md5sum "$arg") >> stamp-help.tmp
+  fi
+done
+
 if [ -z "$TXT2TAGS" ]; then
   TXT2TAGS=txt2tags
 fi
@@ -52,3 +64,10 @@ write_sections $outfile help-sections.h.tmp || exit 1
 cmp -s help-sections.h.tmp help-sections.h || cp help-sections.h.tmp help-sections.h || exit 1
 rm -f help-sections.h.tmp
 rm $outfile || exit 1
+
+if cmp -s stamp-help.tmp "$stamp"; then
+  touch "$stamp" || exit 1
+else
+  mv stamp-help.tmp "$stamp" || exit 1
+fi
+rm -f stamp-help.tmp

doc/stamp-help

@@ -1 +1,7 @@
-Fri Sep 5 23:57:27 CDT 2008
+4503920d308858fd64bafa2791e525a1  license.t2t
+2abd37333a2e2350e3aab16be85477e7  medit.t2t
+16d0c35b878c1139db5ea59f3b93a326  prefs-file.t2t
+6a6baa3658d16693f19cf1ee14f886db  prefs.t2t
+f41b53a193fabd1f343746ea0645d63e  user-tools.t2t
+b5d6ecd9717fa47b0109edeabb719d3e  man-medit.t2t
+712a6dd6de01fe5d50e1095c66823f63  makedocs