restore Build,TODO from r57911

git-svn-id: svn://tug.org/texlive/trunk@57915 c570f23f-e606-0410-a88d-b1316a301751

11 files changed, 847 insertions, 0 deletions

diff --git a/Build/source/libs/icu/TLpatches/ChangeLog b/Build/source/libs/icu/TLpatches/ChangeLog
new file mode 100644
index 00000000000..dfffb6cd22f
--- /dev/null
+++ b/Build/source/libs/icu/TLpatches/ChangeLog
@@ -0,0 +1,531 @@
+2020-01-13  Karl Berry  <karl@freefriends.org>
+
+	* patch-04-data-makefile: new Makefilepatch needed on Solaris
+	found by Mojca, from:
+	https://unicode-org.atlassian.net/browse/ICU-20852
+
+2020-01-04  Karl Berry  <karl@freefriends.org>
+
+	* patch-10-ES: new patch from Mojca.
+	https://tug.org/pipermail/tlbuild/2020q1/004599.html
+	https://tug.org/pipermail/tlbuild/2020q1/004599.html
+	https://docs.oracle.com/cd/E19253-01/816-5174/proc-4/index.html
+
+2019-12-12  Karl Berry  <karl@freefriends.org>
+
+	* Update for icu-65.1.
+	* patch-03-gcc-atomic: apparently no longer relevant.
+
+2019-02-10  Karl Berry  <karl@tug.org>
+
+	* patch-12-mingw: also patch numberrangeformatter.h
+	for NumberRangeFormatterImpl* on mingw.
+
+2019-01-08  Karl Berry  <karl@freefriends.org>
+
+	* update for icu-63.1; no substantive changes.
+
+2018-01-16  Karl Berry  <karl@freefriends.org>
+
+	* patch-19-netbsd [__NetBSD__]: new patch, defining _ISOC99_SOURCE.
+
+2018-01-16  Karl Berry  <karl@tug.org>
+
+	* patch-02-configure-solaris: add.
+
+2018-01-12  Karl Berry  <karl@freefriends.org>
+
+	* patch-16-putil,
+	* patch-17-cygwin-no-w32api: no longer needed per kbrown.
+
+2017-03-17  Karl Berry  <karl@tug.org>
+
+	* patch-19-netbsd: add per Marc Baudoin, tlbuild 17 Mar 2017 10:03:03.
+
+2017-03-13  Karl Berry  <karl@freefriends.org>
+
+	* Update for icu-58.2.
+
+2016-03-30  Karl Berry  <karl@tug.org>
+
+	* patch-20-private: new file, per Dick Koch.
+	http://tug.org/pipermail/tlbuild/2016q1/003438.html
+
+2016-03-27  Karl Berry  <karl@tug.org>
+
+	* Imported icu-57.1 from
+	http://download.icu-project.org/files/icu4c/57.1/icu4c-57_1-src.tgz
+	See ./TL-Changes for procedure.
+
+2015-10-08  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Updated icu-56.1 source tree (icu4c-56_1-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/56.1/
+
+2015-09-27  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-56.1 source tree (icu4c-56_rc-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/56rc/
+
+	* patch-03-gcc-atomic, patch-12-mingw,
+	patch-13-STATIC_PREFIX, patch-14-xopen, patch-16-putil,
+	patch-17-cygwin-no-w32api: Adapted.
+
+2015-04-12  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Updated icu-55.1 source tree (icu4c-55_1-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/55.1/
+
+2015-03-19  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-55.1 source tree (icu4c-55_rc-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/55rc/
+
+	* patch-03-gcc-atomic, patch-12-mingw,
+	patch-13-STATIC_PREFIX, patch-14-xopen, patch-16-putil,
+	patch-17-cygwin-no-w32api: Adapted.
+
+2014-10-02  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Updated icu-54.1 source tree (icu4c-54_1-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/54.1/
+
+2014-09-18  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-54.1 source tree (icu4c-54_rc-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/54rc/
+
+	* patch-11-cygwin64, patch-15-solaris,
+	patch-18-solaris-depend (removed): Included upstream.
+
+	* patch-03-gcc-atomic, patch-12-mingw,
+	patch-13-STATIC_PREFIX, patch-14-xopen, patch-16-putil,
+	patch-17-cygwin-no-w32api: Adapted.
+
+2014-05-14  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-18-solaris-depend (new): Minor build fix for solaris,
+	dependencies for C files require $(CFLAGS), i.e., -std=c99.
+
+2014-04-03  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Updated icu-53.1 source tree (icu4c-53_1-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/53.1/
+
+2014-03-22  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-16-putil (new): Build fix for Cygwin/MinGW with -ansi,
+	* patch-17-cygwin-no-w32api (new): Use Posix instead of Win32
+	API for Cygwin,
+	  from Ken Brown <kbrow1i@gmail.com>.
+
+2014-03-20  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-53.1 source tree (icu4c-53_rc-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/53rc/
+
+	* patch-04-Windows2000 (removed): Drop Windows2000 support.
+	* patch-08-avoid-rebuild (removed): Included upstream.
+
+	* patch-03-gcc-atomic, patch-11-cygwin64, patch-12-mingw,
+	patch-13-STATIC_PREFIX, patch-14-xopen: Adapted.
+
+	* patch-15-solaris (new): Build fix for Solaris, from
+	  http://bugs.icu-project.org/trac/ticket/10580
+
+2014-02-21  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-11-cygwin64 (new): Enable Cygwin64 (from Cygwin64 port).
+
+2013-10-10  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Updated icu-52.1 source tree (icu4c-52_1-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/52.1/
+
+2013-09-26  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-52.1 source tree (icu4c-52_rc2-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/52rc/
+
+	* patch-03-gcc-atomic, patch-04-Windows2000,
+	patch-08-avoid-rebuild, patch-12-mingw, patch-13-STATIC_PREFIX,
+	patch-14-xopen: Adapted.
+
+2013-04-02  Karl Berry  <karl@tug.org>
+
+	* patch-14-xopen: do not define _XOPEN_SOURCE_EXTENDED on Solaris,
+	notwithstanding comments in icu source.
+	From Apostolos, tlbuild 27 Mar 2013 15:52:26 (and Ettore, later).
+
+2013-03-21  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Updated icu-51.1 source tree (icu4c-51_1-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/51.1/
+
+2013-03-14  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-08-avoid-rebuild: Really avoid to run pkgdata again.
+
+2013-03-07  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-51.1 source tree (icu4c-51_rc-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/51rc/
+
+	* patch-11-CURR_FULL_DIR, patch-14-mingw-cross,
+	patch-83-zonemeta-bugfix, patch-84-c++11-bugfix (removed):
+	Now in icu-51.1.
+	* patch-{40,50,60,70,82}-* (removed): Obsolete, layout not used.
+	* patch-02-kFreeBSD (removed): Not needed.
+
+	* patch-03-gcc-atomic, patch-04-Windows2000,
+	patch-08-avoid-rebuild, patch-12-mingw, patch-13-STATIC_PREFIX:
+	Adapted.
+
+2012-11-29  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-04-Windows2000 (new): From Akira.
+
+2012-11-16  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-84-c++11-bugfix (new): Required for gcc-4.7.
+	From http://bugs.icu-project.org/trac/ticket/9728.
+
+2012-11-06  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Updated icu-50.1 source tree (icu4c-50_1-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/50.1/
+
+	* patch-83-zonemeta-bugfix (new): Required for MinGW.
+
+2012-10-24  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-50.1 source tree (icu4c-50_rc-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/50rc/
+
+	* patch-01-Cygwin, patch-02-FreeBSD (removed): Now in icu-50.1.
+	* patch-14-GENCCODE_ASSEMBLY (removed): Obsolete.
+
+	* patch-{08,11,12,13,40,50,60,70,82}-*:Adapted.
+
+ 	* patch-02-kFreeBSD (new): Use Posix conform timezone decl.
+	* patch-03-gcc-atomic (new): Required for gcc-4.4.
+	* patch-14-mingw-cross (new): Required for linux->MinGW32 cross.
+
+2012-06-18  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-82-Indic-bugfix (new): Revert ICU SVN commit 26090.
+
+2012-06-09  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-49.1.2 source tree (icu4c-49_1_2-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/49.1.2/
+
+	* patch-07-configure-utf16-string, patch-09-generated (removed):
+	Obsolete.
+
+	* patch-{01,02,08,11,12,13,14,40,50,60,70}-*: Adapted.
+
+2012-04-24  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-02-FreeBSD (new): Build fix for FreeBSD.
+	Reported by Nikola Lecic <nikola.lecic@anthesphoria.net>
+
+2012-04-18  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-49.1.1 source tree (icu4c-49_1_1-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/49.1.1/
+
+	* patch-05-m4-quoting: Removed, now in icu-49.1.1.
+
+	* patch-{01,07,08,09,11,12,13,14,40,50,60,70}-*: Adapted.
+
+2012-03-23  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-01-Cygwin (new): Build fix for Cygwin.
+	Reported by Ken Brown <kbrow1i@gmail.com>.
+
+2012-03-22  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Updated icu-49.1 source tree (icu4c-49_1-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/49.1/
+
+	* patch-{01,02,03,04}-*: Removed, now in icu-49.1.
+
+	* patch-{05,07,08,09,11,12,13,14,40,50,60,70}-*: Adapted.
+
+2012-03-21  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-05-m4-quoting (new): Correct m4 quoting in configure.in.
+
+2012-03-17  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-04-FreeBSD (new): From ICU.
+
+2012-03-15  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-40-auxParam: Fix a typo (auxillary => auxiliary).
+	* patch-70-Arabic: Remove useless changes of original code.
+
+2012-03-12  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-03-U_PF_UNKNOWN (new): Bug fix for the case that
+	U_PLATFORM == U_PF_UNKNOWN as, e.g., for FreeBSD (why?).
+	Reported by Hilmar Preusse <hille42@web.de>.
+
+2012-03-03  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-49.1 source tree (icu4c-49_rc-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/49rc/
+
+	* patch-40-LESwaps, patch-81-Indic: Removed, now in icu-49.1.
+
+	* patch-01-UVoidFunction (new): Bug fix for '--disable-dyload'.
+	* patch-02-AC_CHECK_TOOL (new): Bug fix for cross compilation.
+
+	* TL-Changes, patch-07-configure-utf16-string,
+	patch-08-avoid-rebuild, patch-09-generated,
+	patch-11-CURR_FULL_DIR, patch-12-mingw, patch-13-STATIC_PREFIX,
+	patch-14-GENCCODE_ASSEMBLY, patch-50-Vertical, patch-60-KernPair,
+	patch-70-Arabic: Adapted.
+	* patch-05-auxParam (removed): Renamed ...
+	* patch-40-auxParam (new): ... to this and adapted.
+
+2011-08-31  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-40-LESwaps: See ICU Ticket #8657, comment 11.
+
+2011-08-09  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-4.8.1 source tree (icu4c-4_8_1-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/4.8.1/
+
+	* patch-06-mingw: Removed, included in icu-4.8.1.
+
+	* TL-Changes, patch-05-auxParam,
+	patch-07-configure-utf16-string, patch-08-avoid-rebuild,
+	patch-09-generated, patch-11-CURR_FULL_DIR, patch-12-mingw,
+	patch-13-STATIC_PREFIX, patch-14-GENCCODE_ASSEMBLY,
+	patch-50-Vertical, patch-60-KernPair, patch-70-Arabic,
+	patch-81-Indic: Adapted.
+
+	* patch-40-LESwaps: Rewritten, see ICU Ticket #8657, comment 7.
+
+2011-06-19  Karl Berry  <karl@tug.org>
+
+	* patch-40-LESwaps: revert to ICU 4.4, as 4.6 and 4.8 code
+	is broken on BigEndian machines.
+	http://bugs.icu-project.org/trac/ticket/8657
+	tlbuild mail, 17 Jun 2011 17:10:38
+
+2011-05-26  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-4.8 source tree (icu4c-4_8-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/4.8/
+
+	* patch-80-Indic: Removed (not needed).
+
+	* TL-Changes, patch-05-auxParam, patch-06-mingw,
+	patch-07-configure-utf16-string, patch-08-avoid-rebuild,
+	patch-09-generated, patch-11-CURR_FULL_DIR, patch-12-mingw,
+	patch-13-STATIC_PREFIX, patch-14-GENCCODE_ASSEMBLY,
+	patch-50-Vertical, patch-60-KernPair, patch-70-Arabic,
+	patch-81-Indic: Adapted.
+
+2011-05-11  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-14-GENCCODE_ASSEMBLY (new): For amd64-kfreebsd.
+
+2011-05-09  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-13-STATIC_PREFIX (new): Never use libsicuxxx.a.
+
+2011-02-22  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-81-Indic (new): IndicReordering.*: Respect array bounds.
+
+	* patch-05-auxParam: Fix a bug introduced when importing icu-4.6.
+
+2010-12-07  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-11-CURR_FULL_DIR: Correctly handle CURR_FULL_DIR when
+	cross compiling.
+
+2010-12-02  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-4.6 source tree (icu4c-4_6-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/4.6/
+
+	* patch-10-cross-TOOLEXEEXT, patch-13-remove-extra-token:
+	All removed, included in icu-4.6.
+
+	* TL-Changes, patch-05-auxParam, patch-07-configure-utf16-string,
+	patch-08-avoid-rebuild, patch-11-CURR_FULL_DIR, patch-12-mingw,
+	patch-50-Vertical, patch-60-KernPair, patch-70-Arabic,
+	patch-80-Indic: Adapted.
+
+	* patch-06-mingw (new): MinGW32 is Windows, not Cygwin.
+	* patch-09-generated (new): Regenerate configure.
+
+2010-04-08  Karl Berry  <karl@tug.org>
+
+	* patch-07-configure-utf16-string: new patch so we can disable the
+	check for UTF16 string literals.  See comments in our
+	libs/icu/configure.ac.
+
+2010-03-31  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-4.4 source tree (icu4c-4_4-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/4.4/
+
+	* fix-case-insensitive, patch-07-cygwin, patch-09-cross,
+	patch-20-fix-gt_ge, patch-21-fix-not_aligned,
+	patch-22-fix-JK-adjust_for_marks, patch-23-fix-JK-GlyphPos:
+	All removed, included in icu-4.4.
+
+	* TL-Changes, patch-05-auxParam, patch-08-avoid-rebuild,
+	patch-10-cross-TOOLEXEEXT, patch-11-CURR_FULL_DIR,
+	patch-12-mingw, patch-50-Vertical, patch-60-KernPair,
+	patch-70-Arabic, patch-80-Indic: Adapted.
+
+	* patch-13-remove-extra-token (new): Avoid compiler warning.
+
+2010-02-22  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Fixes for Linux => MinGW32 cross compilation.
+	* patch-10-cross-TOOLEXEEXT (new): Fix a cross compilation typo.
+	* patch-11-CURR_FULL_DIR (new): Fix for cross compilation on
+	a Unix like system.  Does MinGW32 have pwd?
+	* patch-12-mingw (new): Changes in config/mh-mingw (libraries
+	named as for everyone else).
+
+2009-10-28  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-09-cross (new): Modify AC_CHECK_64BIT_LIBS in aclocal.m4
+	to allow cross compilation.
+
+2009-10-26  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* patch-08-avoid-rebuild (new): Modify data/Makefile.in such
+	that libsicudata.a is not rebuilt again and again.
+
+2009-10-25  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-4.2.1 source tree (icu4c-4_2_1-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/4.2.1/
+
+	* patch-02-syntax, patch-40-Shaping (both removed): Obsolete.
+
+	* TL-Changes, patch-80-Indic: Adapted.
+
+2009-10-24  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-4.0.1 source tree (icu4c-4_0_1-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/4.0.1/
+
+	* patch-01-backport-4.0.1, patch-01-too_much-4.0.1,
+	patch-06-build-fix, patch-06-partial-4.0.1,
+	patch-10-backport-4.0.1, patch-11-partial-4.0.1,
+	patch-99-test (all removed): Obsolete.
+
+	* TL-Changes, patch-40-Shaping, patch-80-Indic: Adapted.
+
+2009-10-23  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Imported icu-3.8.1 source tree (icu4c-3_8_1-src.tgz) from:
+	  http://download.icu-project.org/files/icu4c/3.8.1/
+
+	* TL-Changes (new): Description of modifications of source tree.
+
+	* fix-case-insensitive (new): Shell script used to rename
+	source/layout/Features.h => ICUFeatures.h (required for Cygwin)
+	and modify references to that file accordingly.
+
+	* patch-01-backport-4.0.1 (new): Replace layout/CanonData.cpp,
+	layout/GlyphPositionAdjustments.cpp,
+	layout/IndicReordering.{cpp,h}, layout/LELanguages.h,
+	layout/LESwaps.h, layout/OpenTypeLayoutEngine.cpp,
+	layout/ScriptAndLanguage.cpp, layout/ThaiLayoutEngine.{cpp,h},
+	layoutex/ParagraphLayout.cpp, and test/letest/sfnt.h by their
+	4.0.1 versions.
+	* patch-01-too_much-4.0.1 (new): Undo one change in
+	layoutex/ParagraphLayout.cpp.
+
+	* patch-02-syntax (new): Fix some dubious syntax in
+	layoutex/ParagraphLayout.cpp.
+
+	* patch-05-auxParam (new): Handling of extension for XeTeX in
+	layout/AlternateSubstSubtables.cpp,
+	layout/GlyphIterator.{cpp,h},
+	layout/LEGlyphStorage.{cpp,h},
+	and layout/OpenTypeLayoutEngine.{cpp,h}.
+
+	* patch-06-build-fix (new): Build fix in common/ubidi.c.
+	* patch-06-partial-4.0.1 (new): Partial backport of common/putil.c
+	from 4.0.1.
+	* patch-07-cygwin (new): Changes in config/mh-cygwin (libraries
+	named as for everyone else).
+
+	* patch-10-backport-4.0.1 (new): Replace
+	layout/ScriptAndLanguageTags.{cpp,h} by their 4.0.1 versions.
+	* patch-11-partial-4.0.1 (new): Backport of some changes in
+	layout/LayoutEngine.cpp from 4.0.1.
+
+	Bug fixes originally by: Jonathan Kew <jfkthame@googlemail.com>
+	* patch-20-fix-gt_ge (new): In layout/ClassDefinitionTables.cpp.
+	* patch-21-fix-not_aligned (new): In layout/ExtensionSubtables.cpp.
+	* patch-22-fix-JK-adjust_for_marks (new): In
+	layout/MarkToBasePosnSubtables.cpp.
+	* patch-23-fix-JK-GlyphPos (new): In
+	layout/OpenTypeLayoutEngine.cpp.
+
+	* patch-40-Shaping (new): Update shaping type data in
+	layout/ShapingTypeData.cpp to Unicode 5.1.
+
+	* patch-50-Vertical (new): Handling vertical writing in
+	layout/LEFontInstance.h and layout/ValueRecords.cpp.
+
+	* patch-60-KernPair (new): Modified handling of kerns in
+	layout/LEFontInstance.{cpp,h} and layout/LayoutEngine.cpp.
+
+	* patch-70-Arabic (new): Add Draft Mongolian shaping classes
+	in layout/ArabicShaping.{cpp,h} and LayoutEngine.cpp.
+
+	* patch-80-Indic (new): Backport of some changes in
+	layout/IndicClassTables.cpp from 4.0.1 and in
+	layout/IndicReordering.cpp from 4.2.1.
+
+	* patch-99-test (new): Changes from TeX Live icu-xetex in
+	test/letest/PortableFontInstance.{cpp,h},
+	test/letest/gendata.{cpp,xml}, test/letest/letest.{cpp,xml}.
+
+	These modifications and patches of icu-3.8.1/ reproduce the
+	previous icu-xetex/ source tree (except for test data).
+
+2009-10-22  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Slightly rearranged the icu-xetex/ source tree.
+
+	* layout/LELanguages.h: Changed some comments, from 4.0.1.
+
+	* layout/LEGlyphStorage.{cpp,h}, 
+	layout/OpenTypeLayoutEngine.cpp: Renamed adoptAuxDataArrays
+	back to adoptAuxDataArray as it was in 3.8.1.
+
+	* layout/LEGlyphStorage.h: The XeTeX modifications have added
+	an additional parameter for setAuxData, however, in most cases
+	the corresponding argument is NULL.  Added an inline definition
+	of the original method.
+	layout/ArabicShaping.cpp, layout/HanLayoutEngine.cpp,
+	layout/HangulLayoutEngine.cpp, layout/IndicReordering.cpp,
+	layout/KhmerReordering.cpp, layout/LayoutEngine.cpp,
+	layout/TibetanReordering.cpp: Restored the original 3.8.1 use of
+	setAuxData without the additional argument NULL.
+
+	* data/Makefile.in: Restored 3.8.1 version, Autoconf >=2.61 ensures
+	a posix shell making, these changes obsolete.
+
+	* layout/ScriptAndLanguageTags.{cpp,h}: Backport from 4.0.1,
+	additional tags and changed comments.
+
+	* layout/OpenTypeLayoutEngine.cpp: Removed some obsolete code,
+	surrounded by #if 0...#endif.
diff --git a/Build/source/libs/icu/TLpatches/TL-Changes b/Build/source/libs/icu/TLpatches/TL-Changes
new file mode 100644
index 00000000000..adf53a6443b
--- /dev/null
+++ b/Build/source/libs/icu/TLpatches/TL-Changes
@@ -0,0 +1,67 @@
+Changes applied to the icu tree as obtained from:
+        https://github.com/unicode-org/icu/releases/download/release-68-2/icu4c-68_2-src.tgz
+        and icu4c-68_2-data.zip
+
+cd $Build/source/libs/icu       # for whatever $Build directory
+# update version.ac
+tar xf /tmp/icu4c-*-src.tgz     # check that unpacks into icu/*
+mv icu-src icu-prev
+mv icu icu-src
+cd icu-src
+rm -r as_is packaging		# don't bother including these in our tree
+#
+# files to add:
+svn status | sed -n 's/^\?//p'
+svn add `!!`                    # if looks reasonable
+svn status | sed -n 's/^\?//p'  # rerun, should be empty now
+#
+# files to remove:
+svn status | sed -n 's/^\!//p'
+svn rm `!!`                     # if looks reasonable
+svn status | sed -n 's/^\!//p'  # rerun, should be empty now
+
+# update generic files (still in icu-src):
+aux=$Build/source/build-aux
+cp -p $aux/config.guess $aux/config.sub $aux/install-sh source
+
+# patch --backup -p0 for all ../TLpatches/patch-* files.
+# Save original (since not committed yet)
+# and diff after each to update patch-* file.
+# Don't lose our leading comments.
+
+# autoreconf in the TL directory (Build/source/libs/icu); don't run
+# autoreconf in the icu-src/source/ directory, it fails due to missing
+# pkg-config prerequisites. (Thus we patch configure, not just
+# configure.ac; not worth more effort for our small change of preferring gcc.)
+# 
+# rebuild; must rerun configure (not just config.status),
+# so easiest is to just do a whole new build.
+# Besides, that also tests use of the new icu version by our programs.
+
+# Assuming all seems ok, reduce size of source/data/in/icudt*.dat
+# to decrease data segment size, e.g., for old BSD.  First, check
+# that we successfully built the full .dat:
+ver=68
+srcdat=$Build/source/libs/icu/icu-src/source/data/in/icudt${ver}l.dat 
+cd $Work/libs/icu/icu-build/data/out/build/icudt${ver}l
+indat=../../tmp/icudt${ver}l.dat
+diff $srcdat $indat
+# should be identical, amazingly enough.
+
+# we need to use icupkg, which may need LD_LIBRARY_PATH since it is a
+# C++ binary and we didn't cxx-hack it.
+icupkg="env LD_LIBRARY_PATH=$gnu/lib ../../../../bin/icupkg"
+
+# then remove some elements unused by the icu clients in our tree, which are
+# bibtexu (in texk/bibtex-x), upmendex, and xetex (in texk/web2c/xetexdir).
+outdat=icudt${ver}l.dat
+$icupkg -r 'curr/*' $indat $outdat && \mv $outdat $indat
+$icupkg -r 'lang/*' $indat $outdat && \mv $outdat $indat
+$icupkg -r 'region/*' $indat $outdat && \mv $outdat $indat
+$icupkg -r 'rfc*.spp' $indat $outdat && \mv $outdat $indat
+$icupkg -r 'zone/*' $indat $outdat && \mv $outdat $indat
+ls -l $indat $srcdat # indat should be smaller
+cp $indat $srcdat
+
+# update icu/ChangeLog and icu/TLpatches/ChangeLog.
+# then commit.
diff --git a/Build/source/libs/icu/TLpatches/patch-01-configure-gcc b/Build/source/libs/icu/TLpatches/patch-01-configure-gcc
new file mode 100644
index 00000000000..8799cc7feee
--- /dev/null
+++ b/Build/source/libs/icu/TLpatches/patch-01-configure-gcc
@@ -0,0 +1,33 @@
+	For TL, we do not want to prefer clang(++) for ICU
+	when the whole rest of the tree prefers gcc.
+
+--- source/configure~	2020-12-17 11:34:38.000000000 -0800
++++ source/configure	2021-02-13 08:16:36.271761526 -0800
+@@ -2913,5 +2913,5 @@
+ ac_compiler_gnu=$ac_cv_c_compiler_gnu
+ if test -n "$ac_tool_prefix"; then
+-  for ac_prog in clang gcc cc c99 c89 xlc_r xlc cl.exe icc
++  for ac_prog in gcc cc clang c99 c89 xlc_r xlc cl.exe icc
+   do
+     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+@@ -2957,5 +2957,5 @@
+ if test -z "$CC"; then
+   ac_ct_CC=$CC
+-  for ac_prog in clang gcc cc c99 c89 xlc_r xlc cl.exe icc
++  for ac_prog in gcc cc clang c99 c89 xlc_r xlc cl.exe icc
+ do
+   # Extract the first word of "$ac_prog", so it can be a program name with args.
+@@ -3516,5 +3516,5 @@
+   else
+     if test -n "$ac_tool_prefix"; then
+-  for ac_prog in clang++ g++ c++ gpp xlC_r xlC aCC CC cxx cc++ cl.exe icc FCC KCC RCC
++  for ac_prog in g++ c++ clang++ gpp xlC_r xlC aCC CC cxx cc++ cl.exe icc FCC KCC RCC
+   do
+     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+@@ -3560,5 +3560,5 @@
+ if test -z "$CXX"; then
+   ac_ct_CXX=$CXX
+-  for ac_prog in clang++ g++ c++ gpp xlC_r xlC aCC CC cxx cc++ cl.exe icc FCC KCC RCC
++  for ac_prog in g++ c++ clang++ gpp xlC_r xlC aCC CC cxx cc++ cl.exe icc FCC KCC RCC
+ do
+   # Extract the first word of "$ac_prog", so it can be a program name with args.
diff --git a/Build/source/libs/icu/TLpatches/patch-02-configure-solaris b/Build/source/libs/icu/TLpatches/patch-02-configure-solaris
new file mode 100644
index 00000000000..add9412f2df
--- /dev/null
+++ b/Build/source/libs/icu/TLpatches/patch-02-configure-solaris
@@ -0,0 +1,20 @@
+	Do not disable C++11 on Solaris, since we don't use the Sun compiler.
+
+--- source/configure~	2021-02-13 08:16:36.271761526 -0800
++++ source/configure	2021-02-13 08:18:10.826136078 -0800
+@@ -6149,9 +6149,10 @@
+             CXXFLAGS="$OLD_CXXFLAGS"
+         fi
+-        case "${host}" in
+-        *-*-solaris*)
+-            CXXFLAGS="$OLD_CXXFLAGS"
+-            ;;
+-        esac
++# TL: why? http://bugs.icu-project.org/trac/ticket/13543
++#        case "${host}" in
++#        *-*-solaris*)
++#            CXXFLAGS="$OLD_CXXFLAGS"
++#            ;;
++#        esac
+     fi
+ fi
diff --git a/Build/source/libs/icu/TLpatches/patch-10-ES b/Build/source/libs/icu/TLpatches/patch-10-ES
new file mode 100644
index 00000000000..eff82c545a2
--- /dev/null
+++ b/Build/source/libs/icu/TLpatches/patch-10-ES
@@ -0,0 +1,14 @@
+	Otherwise fails on x86_64-solaris(10) due to (crazy?)
+	system definition of registers.
+	https://tug.org/pipermail/tlbuild/2020q1/004599.html
+	https://tug.org/pipermail/tlbuild/2020q1/004599.html
+
+--- source/common/ubidiimp.h~	2020-12-17 11:34:38.000000000 -0800
++++ source/common/ubidiimp.h	2021-02-13 08:20:09.076105678 -0800
+@@ -42,4 +42,6 @@
+     See UCharDirection in uchar.h .
+ */
++#undef ES
++#undef CS
+ enum {
+     L=  U_LEFT_TO_RIGHT,                /*  0 */
diff --git a/Build/source/libs/icu/TLpatches/patch-12-mingw b/Build/source/libs/icu/TLpatches/patch-12-mingw
new file mode 100644
index 00000000000..59b9ecb87f4
--- /dev/null
+++ b/Build/source/libs/icu/TLpatches/patch-12-mingw
@@ -0,0 +1,30 @@
+	We don't want this for TeX Live cross compilation.
+
+--- source/config/mh-mingw~	2020-12-17 11:34:38.000000000 -0800
++++ source/config/mh-mingw	2021-02-13 08:20:54.167330952 -0800
+@@ -76,25 +76,7 @@
+ STATIC_O = ao
+ 
+-ifeq ($(ENABLE_SHARED),YES)
+-SO_TARGET_VERSION_SUFFIX = $(SO_TARGET_VERSION_MAJOR)
+-else
+-SO_TARGET_VERSION_SUFFIX = 
+-endif
+-
+-# Static library prefix and file extension
+-LIBSICU = $(LIBPREFIX)$(STATIC_PREFIX)$(ICUPREFIX)
+-A = a
+-
+ ## An import library is needed for z/OS and MSVC
+ IMPORT_LIB_EXT = .dll.a
+ 
+-LIBPREFIX=lib
+-
+-# Change the stubnames so that poorly working FAT disks and installation programs can work.
+-# This is also for backwards compatibility.
+-DATA_STUBNAME = dt
+-I18N_STUBNAME = in
+-LIBICU = $(STATIC_PREFIX_WHEN_USED)$(ICUPREFIX)
+-
+ #SH### copied from Makefile.inc
+ #SH## for icu-config to test with
diff --git a/Build/source/libs/icu/TLpatches/patch-13-STATIC_PREFIX b/Build/source/libs/icu/TLpatches/patch-13-STATIC_PREFIX
new file mode 100644
index 00000000000..9949c1f7287
--- /dev/null
+++ b/Build/source/libs/icu/TLpatches/patch-13-STATIC_PREFIX
@@ -0,0 +1,27 @@
+	No `s' for STATIC_PREFIX.
+
+--- source/config/Makefile.inc.in~	2020-12-17 11:34:38.000000000 -0800
++++ source/config/Makefile.inc.in	2021-02-13 08:22:35.895582151 -0800
+@@ -47,5 +47,5 @@
+ 
+ # Static library prefix and file extension
+-STATIC_PREFIX = s
++STATIC_PREFIX =
+ LIBSICU = lib$(STATIC_PREFIX)$(ICUPREFIX)
+ A = a
+--- source/icudefs.mk.in~	2020-12-17 11:34:38.000000000 -0800
++++ source/icudefs.mk.in	2021-02-13 08:22:35.895582151 -0800
+@@ -214,5 +214,5 @@
+ ## If we can't use the shared libraries, use the static libraries
+ ifneq ($(ENABLE_SHARED),YES)
+-STATIC_PREFIX_WHEN_USED = s
++STATIC_PREFIX_WHEN_USED = 
+ else
+ STATIC_PREFIX_WHEN_USED = 
+@@ -220,5 +220,5 @@
+ 
+ # Static library prefix and file extension
+-STATIC_PREFIX = s
++STATIC_PREFIX = 
+ LIBSICU = $(LIBPREFIX)$(STATIC_PREFIX)$(ICUPREFIX)
+ A = a
diff --git a/Build/source/libs/icu/TLpatches/patch-14-xopen b/Build/source/libs/icu/TLpatches/patch-14-xopen
new file mode 100644
index 00000000000..6d510df9b60
--- /dev/null
+++ b/Build/source/libs/icu/TLpatches/patch-14-xopen
@@ -0,0 +1,18 @@
+	Do not define _XOPEN_SOURCE_EXTENDED on Solaris,
+	notwithstanding comments in icu source.
+
+--- source/common/uposixdefs.h~	2020-12-17 11:34:38.000000000 -0800
++++ source/common/uposixdefs.h	2021-02-13 08:29:38.779298547 -0800
+@@ -52,8 +52,11 @@
+  * Poorly upgraded Solaris machines can't have this defined.
+  * Cleanly installed Solaris can use this #define.
++ * [Experience with TeX Live is that it always causes failure.
++ *  http://tug.org/pipermail/tlbuild/2013q1/002493.html
++ *  http://tug.org/pipermail/tlbuild/2013q1/002536.html ]
+  *
+  * z/OS needs this definition for timeval and to get usleep.
+  */
+-#if !defined(_XOPEN_SOURCE_EXTENDED) && defined(__TOS_MVS__)
++#if !defined(_XOPEN_SOURCE_EXTENDED) && defined(__TOS_MVS__) && !defined(sun)
+ #   define _XOPEN_SOURCE_EXTENDED 1
+ #endif
diff --git a/Build/source/libs/icu/TLpatches/patch-19-netbsd b/Build/source/libs/icu/TLpatches/patch-19-netbsd
new file mode 100644
index 00000000000..635e6214fbb
--- /dev/null
+++ b/Build/source/libs/icu/TLpatches/patch-19-netbsd
@@ -0,0 +1,14 @@
+	Date: Sat, 13 Jan 2018 14:28:11 +0100
+	From: Marc Baudoin <babafou@babafou.eu.org>
+	tlbuild
+
+--- source/common/uposixdefs.h~	2021-02-13 08:29:38.779298547 -0800
++++ source/common/uposixdefs.h	2021-02-13 08:30:06.076827650 -0800
+@@ -78,3 +78,7 @@
+ #endif
+ 
++#if defined(__cplusplus) && defined(__NetBSD__)
++#define _ISOC99_SOURCE
++#endif
++
+ #endif  /* __UPOSIXDEFS_H__ */
diff --git a/Build/source/libs/icu/TLpatches/patch-20-private b/Build/source/libs/icu/TLpatches/patch-20-private
new file mode 100644
index 00000000000..8ebf2a2c091
--- /dev/null
+++ b/Build/source/libs/icu/TLpatches/patch-20-private
@@ -0,0 +1,42 @@
+	The supplied g++-4.2 compiler on 32-bit MacOSX apparently
+	mishandled private enum in the implementation (since newer
+	compilers are ok with it).  This can be removed when we drop
+	support for 32-bit MacOSX.
+	http://tug.org/pipermail/tlbuild/2016q1/003438.html
+	(and starting at http://tug.org/pipermail/tlbuild/2016q1/003433.html)
+
+--- source/i18n/dayperiodrules.h~	2020-12-17 11:34:38.000000000 -0800
++++ source/i18n/dayperiodrules.h	2021-02-13 08:30:53.116015999 -0800
+@@ -56,5 +56,5 @@
+     double getMidPointForDayPeriod(DayPeriod dayPeriod, UErrorCode &errorCode) const;
+ 
+-private:
++/* nothing private to placate old compilers --karl/koch private: */
+     DayPeriodRules();
+ 
+--- source/i18n/unicode/dtitvinf.h~	2020-12-17 11:34:38.000000000 -0800
++++ source/i18n/unicode/dtitvinf.h	2021-02-13 08:30:53.116015999 -0800
+@@ -330,5 +330,5 @@
+ 
+ 
+-private:
++/* nothing private to placate old compilers --karl/koch private: */
+     /**
+      * DateIntervalFormat will need access to
+@@ -365,5 +365,6 @@
+     };
+ public:
+-#ifndef U_HIDE_INTERNAL_API
++/* nothing private to placate old compilers --karl/koch */
++/* ifndef U_HIDE_INTERNAL_API */
+     /**
+      * Max index for stored interval patterns
+@@ -373,6 +374,6 @@
+          kMaxIntervalPatternIndex = kIPI_MAX_INDEX
+      };
+-#endif  /* U_HIDE_INTERNAL_API */
+-private:
++/* endif */  /* U_HIDE_INTERNAL_API */
++/* nothing private to placate old compilers --karl/koch private: */
+ 
+ 
diff --git a/Build/source/libs/icu/TLpatches/patch-22-max_align_t b/Build/source/libs/icu/TLpatches/patch-22-max_align_t
new file mode 100644
index 00000000000..e321bd35331
--- /dev/null
+++ b/Build/source/libs/icu/TLpatches/patch-22-max_align_t
@@ -0,0 +1,51 @@
+	As of ICU 68.2, they required max_align_t to be in the std::
+	namespace, which it isn't with the CentOS 7 g++.
+
+--- icu/source/tools/toolutil/toolutil.cpp	2020-12-17 11:34:38.000000000 -0800
++++ icu-src/source/tools/toolutil/toolutil.cpp	2021-02-13 09:21:20.320506318 -0800
+@@ -243,5 +243,5 @@
+     int32_t capacity, maxCapacity, size, idx;
+     void *array;
+-    alignas(std::max_align_t) char staticArray[1];
++    alignas(max_align_t) char staticArray[1];
+ };
+ 
+--- icu/source/common/utext.cpp	2020-12-17 11:34:38.000000000 -0800
++++ icu-src/source/common/utext.cpp	2021-02-13 09:15:58.637913024 -0800
+@@ -570,5 +570,5 @@
+ struct ExtendedUText {
+     UText               ut;
+-    std::max_align_t    extension;
++    max_align_t    extension;
+ };
+ 
+@@ -585,5 +585,5 @@
+         int32_t spaceRequired = sizeof(UText);
+         if (extraSpace > 0) {
+-            spaceRequired = sizeof(ExtendedUText) + extraSpace - sizeof(std::max_align_t);
++            spaceRequired = sizeof(ExtendedUText) + extraSpace - sizeof(max_align_t);
+         }
+         ut = (UText *)uprv_malloc(spaceRequired);
+--- icu/source/common/uarrsort.cpp	2020-12-17 11:34:38.000000000 -0800
++++ icu-src/source/common/uarrsort.cpp	2021-02-13 09:14:58.120928533 -0800
+@@ -38,5 +38,5 @@
+ 
+ static constexpr int32_t sizeInMaxAlignTs(int32_t sizeInBytes) {
+-    return (sizeInBytes + sizeof(std::max_align_t) - 1) / sizeof(std::max_align_t);
++    return (sizeInBytes + sizeof(max_align_t) - 1) / sizeof(max_align_t);
+ }
+ 
+@@ -142,5 +142,5 @@
+               UComparator *cmp, const void *context, UErrorCode *pErrorCode) {
+ 
+-    icu::MaybeStackArray<std::max_align_t, sizeInMaxAlignTs(STACK_ITEM_SIZE)> v;
++    icu::MaybeStackArray<max_align_t, sizeInMaxAlignTs(STACK_ITEM_SIZE)> v;
+     if (sizeInMaxAlignTs(itemSize) > v.getCapacity() &&
+             v.resize(sizeInMaxAlignTs(itemSize)) == nullptr) {
+@@ -236,5 +236,5 @@
+             UComparator *cmp, const void *context, UErrorCode *pErrorCode) {
+     /* allocate two intermediate item variables (x and w) */
+-    icu::MaybeStackArray<std::max_align_t, sizeInMaxAlignTs(STACK_ITEM_SIZE) * 2> xw;
++    icu::MaybeStackArray<max_align_t, sizeInMaxAlignTs(STACK_ITEM_SIZE) * 2> xw;
+     if(sizeInMaxAlignTs(itemSize)*2 > xw.getCapacity() &&
+             xw.resize(sizeInMaxAlignTs(itemSize) * 2) == nullptr) {