doc: remove p2 dependency for doxygen, clean README.md

.gitignore

@@ -51,3 +51,4 @@ readline.bundle
 /doc/latex
 /README.md
 /doc/footer.inc
+/tools/bisect*.sh

Makefile

@@ -442,12 +442,14 @@ doxygen: doc/html/files.html
 	@perl -pe's/^  //;s/^~ /## ~ /;' README > README.md
 	@doc/footer.sh > doc/footer.inc
 	@doxygen doc/Doxyfile
+	@rm README.md
 
-doc/html/files.html: ${SRC} core/*.h doc/Doxyfile doc/footer.sh bin/p2${EXE}
+doc/html/files.html: ${SRC} core/*.h doc/Doxyfile doc/footer.sh Makefile
 	@${ECHO} DOXYGEN core
 	@perl -pe's/^  //;s/^~ /## ~ /;' README > README.md
 	doc/footer.sh > doc/footer.inc
 	@doxygen doc/Doxyfile 2>&1 |egrep -v "  parameter 'P|self|cl'"
+	@rm README.md
 
 # perl11.org only. needs doxygen redcloth global
 website:

doc/footer.sh

@@ -1,7 +1,9 @@
 #!/bin/sh
-cd bin
+GENERATED=`date`
+P2_VERSION=`perl -ane'/P2_VERSION/ && print $F[2]' core/p2.h`
+POTION_DATE=`perl -ane'/POTION_DATE/ && print $F[2]' core/config.h`
+
 echo '<hr class="footer"/><address class="footer"><small>'
-echo Generated on `date` for `./p2 --version|cut -f1-3 -d' '` 
-echo ') by <a href="http://www.doxygen.org/index.html">doxygen</a> 1.8.1.2 '
+echo "Generated on $GENERATED for p2 $P2_VERSION (date=$POTION_DATE)"
+echo 'by <a href="http://www.doxygen.org/index.html">doxygen</a> 1.8.1.2 '
 echo '</small></address></body></html>'
-cd ..