ICU 56 update step 1

source/acinclude.m4

-# Copyright (c) 1999-2014, International Business Machines Corporation and
+# Copyright (c) 1999-2015, International Business Machines Corporation and
 # others. All Rights Reserved.
 # acinclude.m4 for ICU
 # Don't edit aclocal.m4, do edit acinclude.m4
 # Stephen F. Booth
 
 # @TOP@
 
 # ICU_CHECK_MH_FRAG
 AC_DEFUN([ICU_CHECK_MH_FRAG], [
         AC_CACHE_CHECK(
@@ skipping 69 matching lines @@
 *-*-irix*)      icu_cv_host_frag=mh-irix ;;
 *-dec-osf*) icu_cv_host_frag=mh-alpha-osf ;;
 *-*-nto*)       icu_cv_host_frag=mh-qnx ;;
 *-ncr-*)        icu_cv_host_frag=mh-mpras ;;
 *)              icu_cv_host_frag=mh-unknown ;;
 esac
                 ]
         )
 ])
 
-# ICU_CONDITIONAL - similar example taken from Automake 1.4
-AC_DEFUN([ICU_CONDITIONAL],
-[AC_SUBST($1_TRUE)
-if $2; then
-  $1_TRUE=
-else
-  $1_TRUE='#'
-fi])
-
 # ICU_PROG_LINK - Make sure that the linker is usable
 AC_DEFUN([ICU_PROG_LINK],
 [
 case "${host}" in
     *-*-cygwin*|*-*-mingw*)
         if test "$GCC" != yes && test -n "`link --version 2>&1 | grep 'GNU coreutils'`"; then
             AC_MSG_ERROR([link.exe is not a valid linker. Your PATH is incorrect.
                   Please follow the directions in ICU's readme.])
         fi;;
     *);;
@@ skipping 390 matching lines @@
                     CXXFLAGS="$CXXFLAGS /W4"
                 fi ;;
             *-*-mingw*)
                 CFLAGS="$CFLAGS -W4" ;;
             esac
         fi
     fi
 ])