Added jgf.bat. Set GF_HOME variable and use it in jgf.bat.

src/Makefile

@@ -21,6 +21,8 @@ GRAMMAR_DIST_DIR=GF-grammars-$(PACKAGE_VERSION)
 
 SNAPSHOT_DIR=GF-$(shell date +%Y%m%d)
 
+MSI_FILE=gf-$(subst .,_,$(PACKAGE_VERSION)).msi
+
 # use the temporary binary file name 'gf-bin' to not clash with directory 'GF' 
 # on case insensitive file systems (such as FAT)
 GF_EXE=gf$(EXEEXT)
@@ -99,7 +101,7 @@ distclean: clean
 	-rm -f config.status config.mk config.log
 	-rm -f *.tgz *.zip
 	-rm -rf $(DIST_DIR) $(BIN_DIST_DIR)
-	-rm -rf gf.msi
+	-rm -rf gf.wxs *.msi
 
 ghci-nofud:
 	$(GHCI) $(GHCFLAGS)
@@ -202,12 +204,9 @@ grammar-dist:
 	gtar -zcf $(GRAMMAR_DIST_DIR).tgz $(GRAMMAR_DIST_DIR)
 	rm -rf $(GRAMMAR_DIST_DIR)
 
-jgf.bat:
-	echo 'java -jar gf-java.jar gf.exe' > jgf.bat
-
-windows-msi: jgf.bat
+windows-msi:
 	candle -nologo gf.wxs
-	light -nologo gf.wixobj
+	light -nologo -o $(MSI_FILE) gf.wixobj
 
 #
 # Installation

src/gf.wxs.in

@@ -27,6 +27,8 @@
           </Component>
 
           <Component Id="GFEditor" Guid="39F885F7-BC49-4CBC-9DCD-569C95AA3364">
+            <Environment Id="GFHomeEnv" Name="GF_HOME" Action="create" Part="all" Permanent="no" 
+                         Value="[INSTALLDIR]" />
             <File Id="GFEditorBat" Name="jgf.bat" DiskId="1" src="jgf.bat" />
             <File Id="GFEditorJar" Name="gf-java.jar" DiskId="1" src="JavaGUI/gf-java.jar" />
             <Shortcut Id="GFEditorStartMenu" Directory="GFProgramMenuDir" 

src/jgf.bat

@@ -0,0 +1 @@
+java -jar "%GF_HOME%\gf-java.jar" "%GF_HOME%\gf.exe" %*