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      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 #
     15 AC_DEFUN([AC_PROG_MAKE_CASE_SENSITIVE],
     16 [AC_REQUIRE([AC_PROG_MAKE_SET])dnl
     17 AC_CACHE_CHECK([whether ${MAKE-make} is case sensitive],
     18 [ac_cv_prog_make_${ac_make}_case],
     19 [echo all: >conftest.make
     20 if ${MAKE-make} -f conftest.make ALL >/dev/null 2>&1; then
     21   ac_res=no
     22 else
     23   ac_res=yes
     24 fi
     25 eval ac_cv_prog_make_${ac_make}_case=$ac_res
     26 rm -f conftest.make])
     27 AM_CONDITIONAL([MAKE_CASE_SENSITIVE],
     28   [eval test \$ac_cv_prog_make_${ac_make}_case = yes])
     29 ])
     30