--- mashup-3.5.old/Makefile
+++ mashup-3.5/Makefile
@@ -5,18 +5,20 @@
 SOURCE = $(PROGRAM)-$(VERSION).cc
 
 # defaults for parameters that may be pre-defined
-CXXFLAGS ?= -O3 -g -Wall
-LDFLAGS ?= -O3 -g -Wall -rdynamic
-PREFIX ?= /usr
+CXXFLAGS   ?= -O2 -Wall 
+LDFLAGS    ?= -O2 -Wall -rdynamic
+PREFIX     = __META_PREFIX__
 
 # target install directories
-BINDIR = $(PREFIX)/bin
-SHAREDIR = $(PREFIX)/share/$(PROGRAM)
-ICONDIR = $(SHAREDIR)/icons
+BINDIR     = $(PREFIX)/bin
+DATADIR    = $(PREFIX)/data
+DOCDIR     = $(PREFIX)/doc
+MANDIR     = $(PREFIX)/man/man1
+MENUFILE   = $(PREFIX)/share/applications/kornelix-$(PROGRAM).desktop
+SHAREDIR   = $(PREFIX)/share/$(PROGRAM)
+
+ICONDIR    = $(DATADIR)/icons
 LOCALESDIR = $(SHAREDIR)/locales
-DOCDIR = $(PREFIX)/share/doc/$(PROGRAM)
-MANDIR = $(PREFIX)/share/man/man1
-MENUFILE = $(PREFIX)/share/applications/kornelix-$(PROGRAM).desktop
 
 CFLAGS = $(CXXFLAGS) -c `pkg-config --cflags gtk+-3.0`
 LIBS = `pkg-config --libs gtk+-3.0`