Merged revisions 309251 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.6.2

........
  r309251 | tilghman | 2011-03-01 19:06:02 -0600 (Tue, 01 Mar 2011) | 7 lines
  
  Revert previous 2 commits, and instead conditionally redefine the same macro used in flex 2.5.35 that clashed with our workaround.
  
  Not surprisingly, the workaround was exactly the same code as was provided by
  the Flex maintainers, albeit in two different places, in different macros.
  
  This should fix the FreeBSD builds, which have an older version of Flex.
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@309808 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configure.ac

@@ -295,47 +295,6 @@ __EOL__
 		rm -rf ${tmp}
 	fi
 	])
-AC_CACHE_CHECK([for flex that ignores fwrite return value], [ac_cv_FLEX_WORKAROUND], [
-	if test "x$FLEX" != "x:" ; then
-		# Create a temporary directory $tmp in $TMPDIR (default /tmp).
-		# Use mktemp if possible; otherwise fall back on mkdir,
-		# with $RANDOM to make collisions less likely.
-		: ${TMPDIR=/tmp}
-		{
-		  tmp=`
-		    (umask 077 && mktemp -d "$TMPDIR/fooXXXXXX") 2>/dev/null
-		  ` &&
-		  test -n "$tmp" && test -d "$tmp"
-		} || {
-		  tmp=$TMPDIR/foo$$-$RANDOM
-		  (umask 077 && mkdir "$tmp")
-		} || exit $?
-		cat >$tmp/test.fl <<__EOL__
-%{
-#include <unistd.h>
-#include <stdio.h>
-static void yyunput (int c,char *buf_ptr  ) __attribute__((unused));
-static int input(void) __attribute__((unused));
-%}
-
-%%
-username    printf( "%s", getlogin() );
-__EOL__
-		${FLEX} -o ${tmp}/test.c ${tmp}/test.fl
-		${CC} -o ${tmp}/test.o -c ${tmp}/test.c -Wall -Werror >/dev/null 2>&1
-		if test -e "${tmp}/test.o"; then
-			ac_cv_FLEX_WORKAROUND=no
-		else
-			ac_cv_FLEX_WORKAROUND=yes
-		fi
-		rm -rf ${tmp}
-	fi
-	])
-
-if test "x${ac_cv_FLEX_WORKAROUND}" = "xyes"; then
-	AC_DEFINE([NEED_FLEX_FWRITE_WORKAROUND], 1, [Define to 1 if your system has a version of flex that does not check the return value of fwrite.])
-fi
-
 if test "x${ac_cv_path_BISON2}" = "x" ; then
 	BISON=:
 	PBX_BISON=0