omit icu test from harfbuzz test

git-svn-id: svn://tug.org/texlive/trunk/Build/source@51470 c570f23f-e606-0410-a88d-b1316a301751

m4/ChangeLog

@@ -1,3 +1,9 @@
+2019-06-26  Karl Berry  <karl@freefriends.org>
+
+	* kpse-harfbuzz-flags.m4 (KPSE_HARFBUZZ_FLAGS): omit KPSE_ICU_FLAGS.
+	(KPSE_HARFBUZZ_SYSTEM_FLAGS): call pkg-config harfbuzz,
+	not harfbuzz-icu.
+
 2019-03-25  Karl Berry  <karl@freefriends.org>
 
 	* kpse-freetype2-flags.m4 (KPSE_FREETYPE2_SYSTEM_FLAGS): try

m4/kpse-harfbuzz-flags.m4

@@ -1,5 +1,7 @@
+# $Id$
 # Public macros for the TeX Live (TL) tree.
-# Copyright (C) 2012-2015 Peter Breitenlohner <tex-live@tug.org>
+# Copyright 2015-2019 Karl Berry <tex-live@tug.org>
+# Copyright 2012-2015 Peter Breitenlohner <tex-live@tug.org>
 #
 # This file is free software; the copyright holder
 # gives unlimited permission to copy and/or distribute it,
@@ -8,22 +10,36 @@
 # KPSE_HARFBUZZ_FLAGS
 # -------------------
 # Provide the configure options '--with-system-harfbuzz' (if in the TL tree).
-#
-# Set the make variables HARFBUZZ_INCLUDES and HARFBUZZ_LIBS to the CPPFLAGS and
-# LIBS required for the `-lharfbuzz' library in libs/harfbuzz/ of the TL tree.
+# 
+# Set the make variables HARFBUZZ_INCLUDES and HARFBUZZ_LIBS to the
+# CPPFLAGS and LIBS required for the `-lharfbuzz' library in
+# libs/harfbuzz/ of the TL tree.
+# 
+# We used to require icu here, but LuaTeX (2019) wants only harfbuzz,
+# not icu, and everything in our tree that wants icu requires it
+# explicitly. So no need.
+# 
 AC_DEFUN([KPSE_HARFBUZZ_FLAGS], [dnl
 AC_REQUIRE([KPSE_GRAPHITE2_FLAGS])[]dnl
-AC_REQUIRE([KPSE_ICU_FLAGS])[]dnl
 _KPSE_LIB_FLAGS([harfbuzz], [harfbuzz], [],
-                [-IBLD/libs/harfbuzz/include], [BLD/libs/harfbuzz/libharfbuzz.a], [],
-                [], [${top_builddir}/../../libs/harfbuzz/include/hb.h])[]dnl
+                [-IBLD/libs/harfbuzz/include],
+                [BLD/libs/harfbuzz/libharfbuzz.a], [], [],
+                [${top_builddir}/../../libs/harfbuzz/include/hb.h])[]dnl
 ]) # KPSE_HARFBUZZ_FLAGS
 
 # KPSE_HARFBUZZ_OPTIONS([WITH-SYSTEM])
 # ------------------------------------
-AC_DEFUN([KPSE_HARFBUZZ_OPTIONS], [_KPSE_LIB_OPTIONS([harfbuzz], [$1], [pkg-config])])
+AC_DEFUN([KPSE_HARFBUZZ_OPTIONS], [dnl
+_KPSE_LIB_OPTIONS([harfbuzz], [$1], [pkg-config])])
 
 # KPSE_HARFBUZZ_SYSTEM_FLAGS
 # --------------------------
+# We used to ask for harfbuzz-icu here, that is, we called
+# pkg-config harfbuzz-icu instead of just harfbuzz. But we never
+# actually used the ICU support builtin to harfbuzz; Jonathan Kew had a
+# theory many years ago (private email, 21 October 2009) to switch xetex
+# to using that, and thus eliminate the need for xetex to link with icu,
+# but it never came to fruition. So, since LuaTeX (2019) wants harfbuzz
+# without icu, back to just harfbuzz
 AC_DEFUN([KPSE_HARFBUZZ_SYSTEM_FLAGS], [dnl
-_KPSE_PKG_CONFIG_FLAGS([harfbuzz], [harfbuzz-icu])])
+_KPSE_PKG_CONFIG_FLAGS([harfbuzz], [harfbuzz])])

texk/web2c/ChangeLog

@@ -1,3 +1,8 @@
+2019-06-26  Karl Berry  <karl@freefriends.org>
+
+	* configure.ac (KPSE_ICU_FLAGS, KPSE_GRAPHITE2_FLAGS) [xetex],
+	(KPSE_HARFBUZZ_FLAGS) [xetex || luatex[53]]: make test conditional.
+
 2019-05-29  Andreas Scherer  <https://ascherer.github.io>
 
 	* cwebboot.cin: Rebuild after recent changes.

texk/web2c/configure.ac

@@ -1,7 +1,7 @@
 dnl $Id$
 dnl Process this file with Autoconf to produce a configure script for Web2c.
 dnl
-dnl   Copyright 2018 Karl Berry <tex-live@tug.org>
+dnl   Copyright 2018-2019 Karl Berry <tex-live@tug.org>
 dnl   Copyright 2009-2015 Peter Breitenlohner <tex-live@tug.org>
 dnl
 dnl   This file is free software; the copyright holder
@@ -98,7 +98,7 @@ if test "x$enable_ipc" = xyes; then
    AC_DEFINE([IPC], 1, [tex: Define to enable --ipc.])
 fi
 
-# We may need additional libraries for luaTeX.
+# We may need additional libraries for LuaTeX.
 # On Solaris -lnsl for gethostbyname(), -lrt for nanosleep(),
 # and maybe -lresolv for inet_aton().
 lua_socketlibs=$socketlibs
@@ -263,9 +263,18 @@ KPSE_POPPLER_FLAGS
 KPSE_XPDF_FLAGS
 KPSE_ZZIPLIB_FLAGS
 KPSE_TECKIT_FLAGS
-KPSE_ICU_FLAGS
-KPSE_HARFBUZZ_FLAGS
-KPSE_GRAPHITE2_FLAGS
+
+# LuaTeX and XeTeX need harfbuzz.
+if test "x$enable_xetex" = xyes \
+   || test "x$enable_luatex" = xyes || test "x$enable_luatex53" = xyes; then
+  KPSE_HARFBUZZ_FLAGS
+fi # end xetex/luatex for harfbuzz
+
+# XeTeX, but not LuaTeX, needs icu and graphite.
+if test "x$enable_xetex" = xyes; then
+  KPSE_ICU_FLAGS
+  KPSE_GRAPHITE2_FLAGS
+fi # end xetex for icu/graphite
 
 # Check size of off_t (using <kpathsea/config.h>)
 KPSE_ADD_FLAGS([kpathsea])
@@ -343,7 +352,7 @@ AH_TOP([/* w2c/c-auto.h: defines for web2c, as determined by configure.
 #define WEB2CVERSION "REPLACE-WITH-WEB2CVERSION"])
 AH_BOTTOM([#endif /* !WEB2C_C_AUTO_H */])
 
-dnl Additional config header for luaTeX
+dnl Additional config header for LuaTeX
 AC_CONFIG_HEADERS([ff-config.h:luatexdir/luafontloader/ff-config.in])
 
 # For cross-compilation.  Put at the end so there is a fair chance