Hacking advice.

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+All you need to know when hacking (modifying) GNU gettext or when building
+it off the CVS.
+
+
+Requirements
+============
+
+You will need reasonably recent versions of the build tools:
+
+  * A C compiler; on Cygwin or mingw also a C++ compiler. Such as GNU GCC.
+    + Homepage:
+      http://gcc.gnu.org/
+
+  * GNU automake
+    + Homepage:
+      http://www.gnu.org/software/automake/
+
+  * GNU autoconf
+    + Homepage:
+      http://www.gnu.org/software/autoconf/
+
+  * GNU m4
+    + Homepage:
+      http://www.gnu.org/software/m4/
+
+  * GNU bison
+    + Homepage:
+      http://www.gnu.org/software/bison/
+
+  * GNU gperf
+    + Homepage:
+      http://www.gnu.org/software/gperf/
+
+  * GNU texinfo
+    + Homepage:
+      http://www.gnu.org/software/texinfo/
+
+  * GNU emacs or XEmacs
+    + Homepage:
+      http://www.gnu.org/software/emacs/
+      http://www.xemacs.org/
+
+  * Perl
+    + Homepage:
+      http://www.perl.org/
+
+  * TeX (for making the doc in .dvi, .ps or .pdf format)
+    + Homepage:
+      http://tug.org/teTeX/
+
+  * Either an internet connection or a recent copy of GNU gnulib.
+    + Homepage:
+      http://www.gnu.org/software/gnulib/
+
+And, of course, the packages listed in the DEPENDENCIES file.
+
+
+Building off the CVS
+====================
+
+Access to the CVS is described at http://savannah.gnu.org/cvs/?group=gettext .
+
+After fetching the sources from the CVS, peek at the comments in autogen.sh,
+then run "./autogen.sh"; then you can proceed with "./configure" as usual.
+