# # Check to make sure that the build environment is sane. # AC_DEFUN(AM_SANITY_CHECK, [AC_MSG_CHECKING([whether build environment is sane]) echo timestamp > conftestfile # Do this in a subshell so we don't clobber the current shell's # arguments. FIXME: maybe try `-L' hack like GETLOADAVG test? if (set X `ls -t $srcdir/configure conftestfile`; test "[$]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)])