+AC_SYS_LONG_FILE_NAMES
+
+AC_MSG_CHECKING(if we should assume mixed-case filenames)
+AC_ARG_ENABLE(mixed-case,
+ [ --enable-mixed-case tic should assume mixed-case filenames],
+ [enable_mixedcase=$enableval],
+ [enable_mixedcase=auto])
+AC_MSG_RESULT($enable_mixedcase)
+if test "$enable_mixedcase" = "auto" ; then
+ CF_MIXEDCASE_FILENAMES
+else
+ cf_cv_mixedcase=$enable_mixedcase
+ if test "$enable_mixedcase" = "yes" ; then
+ AC_DEFINE(MIXEDCASE_FILENAMES)
+ fi
+fi
+
+# do this after mixed-case option (tags/TAGS is not as important as tic).