xref: /netbsd-src/external/gpl3/autoconf/dist/m4/make-case.m4 (revision d874e91932377fc40d53f102e48fc3ee6f4fe9de)
1# make-case.m4 serial 1
2
3# Copyright (C) 2008-2012 Free Software Foundation, Inc.
4
5# Copying and distribution of this file, with or without modification,
6# are permitted in any medium without royalty provided the notice and
7# this notice are preserved.  This file is offered as-is, without
8# warranty of any kind.
9
10# AC_PROG_MAKE_CASE_SENSITIVE
11# ---------------------------
12# Checks whether make is configured to be case insensitive; if yes,
13# sets AM_CONDITIONAL MAKE_CASE_SENSITIVE.
14#
15AC_DEFUN([AC_PROG_MAKE_CASE_SENSITIVE],
16[AC_REQUIRE([AC_PROG_MAKE_SET])dnl
17AC_CACHE_CHECK([whether ${MAKE-make} is case sensitive],
18[ac_cv_prog_make_${ac_make}_case],
19[echo all: >conftest.make
20if ${MAKE-make} -f conftest.make ALL >/dev/null 2>&1; then
21  ac_res=no
22else
23  ac_res=yes
24fi
25eval ac_cv_prog_make_${ac_make}_case=$ac_res
26rm -f conftest.make])
27AM_CONDITIONAL([MAKE_CASE_SENSITIVE],
28  [eval test \$ac_cv_prog_make_${ac_make}_case = yes])
29])
30