Updated again.

From-SVN: r32457

libjava/README

@@ -13,12 +13,21 @@ can be found on the gcj web pages at this URL:
 		http://sourceware.cygnus.com/java/
 
 
+REQUIREMENTS
+============
+
+libgcj must be built with a compatible version of the gcc compiler. libgcj
+releases are usually numbered according to their corresponding gcc release.
+For example, if this is "libgcj 2.95.3", you need to build it using "gcc
+2.95.3".
+
+
 QUICK INSTALLATION
 ==================
 
   > mkdir build
   > cd build
-  > ../libgcj/configure --enable-threads=<THREADS_TYPE>
+  > ../libgcj/configure --enable-threads=<THREADS_TYPE> --prefix=<DIR>
   > make
   > make install
 
@@ -28,6 +37,9 @@ where:
 the possible values are "posix" and "none". This value must be the same as
 the value used when configuring gcc itself.
 
+<DIR> specifies the installation directory. This should be the same location 
+as where gcc is installed.
+
 Consult the gcj web pages for additional "configure" arguments.
 
 NOTE: libgcj can not be built in the same directory as `configure'. You must