Update ICU to 58.1

source/configure.ac

Index: source/configure.ac
diff --git a/source/configure.ac b/source/configure.ac
index 595bd122cee88d62e38dbffd8266dd55eb81d78c..44503623fbd4f082069c1741cdba1092fce6a452 100644
--- a/source/configure.ac
+++ b/source/configure.ac
@@ -1,5 +1,6 @@
 # -*-autoconf-*-
-AC_COPYRIGHT([ Copyright (c) 1999-2015, International Business Machines Corporation and others. All Rights Reserved. ])
+AC_COPYRIGHT([ Copyright (C) 2016 and later: Unicode, Inc. and others. License & terms of use: http://www.unicode.org/copyright.html ])
+# AC_COPYRIGHT([ Copyright (c) 1999-2015, International Business Machines Corporation and others. All Rights Reserved. ])
 # configure.in for ICU
 # Stephen F. Booth, heavily modified by Yves and others
 
@@ -505,6 +506,11 @@ if [[ "$GXX" = yes ]]; then
         else
             CXXFLAGS="$OLD_CXXFLAGS"
         fi
+        case "${host}" in
+        *-*-solaris*)
+            CXXFLAGS="$OLD_CXXFLAGS"
+            ;;
+        esac
     fi
 fi
 
@@ -887,6 +893,17 @@ fi
 AC_SUBST(U_HAVE_TIMEZONE)
 AC_SUBST(U_TIMEZONE)
 
+AC_CHECK_FUNC(strtod_l)
+if test x$ac_cv_func_strtod_l = xyes
+then
+     CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_STRTOD_L=1"
+     U_HAVE_STRTOD_L=1
+else
+     CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_STRTOD_L=0"
+     U_HAVE_STRTOD_L=0
+fi
+AC_SUBST(U_HAVE_STRTOD_L)
+
 # Checks for typedefs
 AC_CHECK_TYPE(int8_t,signed char)
 AC_CHECK_TYPE(uint8_t,unsigned char)
@@ -1080,30 +1097,28 @@ AC_ARG_ENABLE(icuio,
 	icuio=true)
 ICU_CONDITIONAL(ICUIO, test "$icuio" = true)
 
-# Enable/disable layout
-AC_ARG_ENABLE(layout,
-	[  --enable-layout         build ICU's DEPRECATED layout library [default=yes]],
-	[case "${enableval}" in
-		yes) layout=true ;;
-		no)  layout=false ;;
-		*) AC_MSG_ERROR(bad value ${enableval} for --enable-layout) ;;
-		esac],
-	layout=true)
-ICU_CONDITIONAL(LAYOUT, test "$layout" = true)
-
 # Enable/disable layoutex
 AC_ARG_ENABLE(layoutex,
-	[  --enable-layoutex         build ICU's Paragraph Layout library [default=same-as-layout].
-            If not building with the ICU Layout library, then icu-le-hb must be installed via pkg-config.
-            See http://harfbuzz.org],
+	[  --enable-layoutex         build ICU's Paragraph Layout library [default=yes].
+            icu-le-hb must be installed via pkg-config. See http://harfbuzz.org],
 	[case "${enableval}" in
-		yes) layoutex=true ;;
+		yes) layoutex=$have_icu_le_hb ;;
 		no)  layoutex=false ;;
 		*) AC_MSG_ERROR(bad value ${enableval} for --enable-layoutex) ;;
 		esac],
-	layoutex=$layout)
+	layoutex=$have_icu_le_hb)
 ICU_CONDITIONAL(LAYOUTEX, test "$layoutex" = true)
 
+# Enable/disable layout
+AC_ARG_ENABLE(layout,
+	[],
+	[case "${enableval}" in
+		yes) AC_MSG_ERROR(The ICU Layout Engine has been removed.) ;;
+		no)   ;;
+		*) ;;
+		esac],
+	)
+
 # Enable/disable tools
 AC_ARG_ENABLE(tools,
 	[  --enable-tools         build ICU's tools [default=yes]],
@@ -1325,7 +1340,6 @@ AC_CONFIG_FILES([icudefs.mk \
 		stubdata/Makefile \
 		common/Makefile \
 		i18n/Makefile \
-		layout/Makefile \
 		layoutex/Makefile \
 		io/Makefile \
 		extra/Makefile \