new build system: build icu libs and xetex plus misc updates

git-svn-id: svn://tug.org/texlive/trunk@12759 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 18 insertions, 15 deletions

diff --git a/Build/source/m4/README b/Build/source/m4/README
index 310caf5fca2..ee5af011a98 100644
--- a/Build/source/m4/README
+++ b/Build/source/m4/README
@@ -1,28 +1,31 @@
+Copyright (C) 2009 Peter Breitenlohner <tex-live@tug.org>
+You may freely use, modify and/or distribute this file.
+
 This directory is the central repository for Autoconf macros needed to build
 the teTeX / TeX Live (TL) tree.
 
-(1) `Public' macros such as libtool.m4 used to build the libraries and
+(1) Public macros such as libtool.m4 used to build the libraries and
 programs in the TL subdirectories libs/*/, utils/*/, and texk/*/ that are
-owned by the TL tree (i.e., either not maintained independently or with a
-proxy Makefile.am using an unmodified source tree and bypassing the original
-build system).
+owned by the TL tree, i.e., either not maintained independently or with a
+proxy Makefile.am using an (almost) unmodified source tree and bypassing the
+original build system.
 
 Note: the files libtool.m4 and ../build-aux/ltmain.sh must match.
 
-(2) `Private' macros for the TL infrastructure, used in directories owned
-by the TL tree.
+(2) `Public' macros for the TL build system and for the TL libraries in the
+subdirectories libs/*/ and texk/kpathsea/, used to configure programs and
+other libraries requiring these TL libraries.  The macros are designed with
+the aim that programs maintained independently can be built as part of the
+TL tree or without TL (using installed versions of the required libraries),
+ideally using the same unmodified sources.
+
+(3) `Private' macros for the TL infrastructure, only used in directories
+owned by the TL tree.
 
-kpse-pkgs.m4: defines lists of subdirectories libs/LIB/, utils/PROG/, and
-	tex/PROG/ with libraries and programs that can be built as part of
+kpse-pkgs.m4: defines lists of subdirectories libs/Lib/, utils/Util/, and
+	tex/Prog/ with libraries and programs that can be built as part of
 	the TL tree.
 kpse-setup.m4: macros that recurse through these lists to provide configure
 	options.  They depend on configure fragments */*/ac/withenable.ac
 	defining the dependencies between these libraries and programs.
 
-(3) `Public' macros for the TL libraries in the subdirectories libs/*/ and
-texk/kpathsea/, used to configure programs and other libraries requiring
-these TL libraries.  The macros are designed with the aim that programs
-maintained independently can be built as part of the TL tree or without TL
-(using installed versions of the required libraries), ideally using the same
-unmodified sources.
-