ICU-7972 update to autoconf 2.67, remove unneeded .mk file

X-SVN-Rev: 28751

icu4c/source/configure.in

@@ -4,7 +4,7 @@ AC_COPYRIGHT([ Copyright (c) 1999-2010, International Business Machines Corporat
 # Stephen F. Booth, heavily modified by Yves and others
 
 # Check for autoconf version
-AC_PREREQ(2.63)
+AC_PREREQ(2.67)
 
 
 # Process this file with autoconf to produce a configure script
@@ -86,6 +86,11 @@ AC_PROG_INSTALL
 
 AC_SUBST(cross_compiling)
 
+dnl use the pld hack to get ac_fn_cxx_try_link defined globally and not local
+AC_LANG_PUSH([C++])
+AC_LINK_IFELSE([AC_LANG_PROGRAM()])
+AC_LANG_POP([C++])
+
 # make sure install is relative to srcdir - if a script
 if test "$srcdir" = "."; then
   # If srcdir isn't just ., then (srcdir) is already prepended.

icu4c/source/configure.mk

@@ -1,18 +0,0 @@
-#  Copyright (c) 2008-2010, International Business Machines Corporation and others. All Rights Reserved.
-# 
-#
-# Makefile for regenerating configure in the face of a bad ^M
-# This should become unnecessary for autoconf past 2.63
-# 
-# Usage:    MAKE -f configure.mk configure
-
-AUTOCONF=autoconf
-all: configure common/icucfg.h.in
-
-common/icucfg.h.in: configure.in
-	autoheader
-
-configure:	configure.in ./aclocal.m4
-	( $(AUTOCONF) && mv configure configure.tmp && sed -e 's%^ac_cr=.*%ac_cr=`echo X |tr X "\\015"`%'  < configure.tmp > configure && chmod a+rx $@ && rm configure.tmp ) || ( rm $@ ; "echo configure build failed" ; /usr/bin/false  )
-
--include configure-local.mk