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