diff -r c91175610f8a -r 0efdafd23753 www/Makefile
--- a/www/Makefile	Thu Sep 05 14:43:04 2019 +0200
+++ b/www/Makefile	Thu Sep 05 20:14:16 2019 +0200
@@ -25,17 +25,47 @@
 		  jqwidgets/styles/images/* jqwidgets/globalization/* js/* \
 		  includes/* fpdf/* import/*
 OTHER		= Makefile
+CSS_FILES = $(filter-out %-min.css,$(wildcard \
+	css/*.css \
+	css/**/*.css \
+))
+JS_FILES = $(filter-out %-min.js,$(wildcard \
+	js/*.js \
+	js/**/*.js \
+))
+
+YUI_COMPRESSOR = yui-compressor
+YUI_COMPRESSOR_FLAGS = --charset utf-8 --verbose
+
+CSS_MINIFIED = $(CSS_FILES:.css=-min.css)
+JS_MINIFIED = $(JS_FILES:.js=-min.js)
+
+
 
 #############################################################################
 
 .c.o:
 		${CC} ${CFLAGS} ${INCLUDES} ${DEFINES} -c $<
 
-all:
+all:		minify-css minify-js
 
 clean:
 		rm -f version.php
 
+minify-css:	$(CSS_FILES) $(CSS_MINIFIED)
+minify-js:	$(JS_FILES) $(JS_MINIFIED)
+
+%-min.css:	%.css
+		@echo '==> Minifying $<'
+		$(YUI_COMPRESSOR) $(YUI_COMPRESSOR_FLAGS) --type css $< >$@
+		@echo
+
+%-min.js:	%.js
+		@echo '==> Minifying $<'
+		$(YUI_COMPRESSOR) $(YUI_COMPRESSOR_FLAGS) --type js $< >$@
+		@echo
+
+
 install:
 		${INSTALL} -d -g 314 -o 314 ${PREFIX} ${WWWDIR} ${WWWDIR}/css ${WWWDIR}/fpdf \
 			${WWWDIR}/fpdf/font \