casa-mp-base

Remove questionable build system sanity test which causes the build to

fail on Sierra.

--- aclocal.m4.orig 2002-08-20 01:01:53.000000000 -0500

+++ aclocal.m4  2016-10-24 09:20:01.000000000 -0500

@@ -43,49 +43,6 @@

 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)

 AC_REQUIRE([AC_PROG_MAKE_SET])])

-#

-# Check to make sure that the build environment is sane.

-#

-

-AC_DEFUN([AM_SANITY_CHECK],

-[AC_MSG_CHECKING([whether build environment is sane])

-# Just in case

-sleep 1

-echo timestamp > conftestfile

-# Do `set' in a subshell so we don't clobber the current shell's

-# arguments.  Must try -L first in case configure is actually a

-# symlink; some systems play weird games with the mod time of symlinks

-# (eg FreeBSD returns the mod time of the symlink's containing

-# directory).

-if (

-   set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`

-   if test "[$]*" = "X"; then

-      # -L didn't work.

-      set X `ls -t $srcdir/configure conftestfile`

-   fi

-   if test "[$]*" != "X $srcdir/configure conftestfile" \

-      && test "[$]*" != "X conftestfile $srcdir/configure"; then

-

-      # If neither matched, then we have a broken ls.  This can happen

-      # if, for instance, CONFIG_SHELL is bash and it inherits a

-      # broken ls alias from the environment.  This has actually

-      # happened.  Such a system could not be considered "sane".

-      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken

-alias in your environment])

-   fi

-

-   test "[$]2" = conftestfile

-   )

-then

-   # Ok.

-   :

-else

-   AC_MSG_ERROR([newly created file is older than distributed files!

-Check your system clock])

-fi

-rm -f conftest*

-AC_MSG_RESULT(yes)])

-

 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)

 dnl The program must properly implement --version.

 AC_DEFUN([AM_MISSING_PROG],