--- Makefile.orig	2016-03-09 22:42:49.363968000 +0800
+++ Makefile	2016-03-09 22:51:51.270475000 +0800
@@ -1,14 +1,14 @@
 APPNAME     = FreeFileSync
-prefix      = /usr
+prefix      = $(PREFIX)
 BINDIR      = $(DESTDIR)$(prefix)/bin
 SHAREDIR    = $(DESTDIR)$(prefix)/share
 APPSHAREDIR = $(SHAREDIR)/$(APPNAME)
 DOCSHAREDIR = $(SHAREDIR)/doc/$(APPNAME)
 
 CXXFLAGS  = -std=c++14 -pipe -DWXINTL_NO_GETTEXT_MACRO -I../.. -I../../zenXml -include "zen/i18n.h" -include "zen/warn_static.h" -Wall \
--O3 -DNDEBUG `wx-config --cxxflags --debug=no` -DZEN_LINUX -pthread
+-DNDEBUG `${WX_CONFIG} --cxxflags --debug=no` -DZEN_LINUX -pthread
 
-LINKFLAGS = -s `wx-config --libs std, aui --debug=no` -lboost_thread -lboost_chrono -lboost_system -lz -pthread
+LINKFLAGS = -s `${WX_CONFIG} --libs std, aui --debug=no` -lboost_thread -lboost_chrono -lboost_system -lz -pthread
 
 #Gtk - support recycler/icon loading/no button border/grid scrolling
 CXXFLAGS  += `pkg-config --cflags gtk+-2.0`
@@ -96,10 +96,10 @@
 
 ../Obj/FFS_GCC_Make_Release/ffs/src/%.o : %.cpp
 	mkdir -p $(dir $@)
-	g++ $(CXXFLAGS) -c $< -o $@
+	${CXX} $(CXXFLAGS) -c $< -o $@
 
 FreeFileSync: $(OBJECT_LIST)
-	g++ -o ../Build/$(APPNAME) $(OBJECT_LIST) $(LINKFLAGS)
+	${CXX} -o ../Build/$(APPNAME) $(OBJECT_LIST) $(LINKFLAGS)
 
 clean:
 	rm -rf ../Obj/FFS_GCC_Make_Release
@@ -108,16 +108,12 @@
 
 install:
 	mkdir -p $(BINDIR)
-	cp ../Build/$(APPNAME) $(BINDIR)
+	cp ../Build/$(APPNAME) $(BINDIR)/freefilesync
 
 	mkdir -p $(APPSHAREDIR)
 	cp -R ../Build/Languages/ \
 	../Build/Help/ \
-	../Build/Sync_Complete.wav \
 	../Build/Resources.zip \
 	../Build/styles.gtk_rc \
 	$(APPSHAREDIR)
 
-	mkdir -p $(DOCSHAREDIR)
-	cp ../Build/Changelog.txt $(DOCSHAREDIR)/changelog
-	gzip $(DOCSHAREDIR)/changelog