dnl  -*- Mode: M4 -*- 
dnl --------------------------------------------------------------------
dnl make.m4 --- determine correct make include syntax.
dnl 
dnl Author:	       Gary V. Vaughan <address@hidden>
dnl Maintainer:	       Gary V. Vaughan <address@hidden>
dnl Created:	       Mon Jul 20 01:23:02 1998
dnl Last Modified:     Wed Jul 22 01:52:32 1998				
dnl            by:     Gary V. Vaughan <address@hidden>	
dnl --------------------------------------------------------------------
dnl @(#) $Id$
dnl --------------------------------------------------------------------
dnl 
dnl Copyright (C) 1998 Gary V. Vaughan
dnl 
dnl This file is distributed freely, but without  warranty. No author or
dnl distributer  accepts responsibility to anyone  for any damage caused
dnl to hardware or software  through the use or  misuse of this  file in
dnl any form, or  for whether it serves  any particular purpose or works
dnl at  all, regardless  of further   modifications made  to  it by  any
dnl subsequent distributers.
dnl 
dnl Permission is granted to copy, use, modify or redistribute this file
dnl provided the copyright notice and  this notice remains intact in its
dnl entirety in any and all subsequent copies.
dnl 
dnl Code:

# Find the include syntax used by the make program, define MAKEINCLUDE
# and MAKEQUOTE so that using the following in a Makefile.in should work
# most anywhere:
#   @MAKEINCLUDE@ @address@hidden@MAKEQUOTE@
# serial 1

dnl LILAC_PROG_MAKE_INCLUDE
dnl Some make programs require includes to be
dnl     .include "file"
dnl others...
dnl     include file
dnl Checks the MAKE environment variable for the name of the make command
dnl to use.
AC_DEFUN(LILAC_PROG_MAKE_INCLUDE,
[AC_MSG_CHECKING([how make handles includes])
AC_CACHE_VAL(lilac_cv_prog_make_include,
[cat > confmakeinc <<EOF

EOF
cat > confmakefile <<EOF
include confmakeinc

all:
EOF
if ${MAKE-make} -f confmakefile >/dev/null 2>&1; then
    lilac_cv_make_include="include"
    lilac_cv_make_quote=''
else
    lilac_cv_make_include=".include"
    lilac_cv_make_quote='"'
fi
rm confmakefile confmakeinc])
AC_MSG_RESULT([$lilac_cv_make_include ${lilac_cv_make_quote}file${lilac_cv_make_quote}])
MAKEINCLUDE=$lilac_cv_make_include
MAKEQUOTE=$lilac_cv_make_quote
AC_SUBST(MAKEINCLUDE)
AC_SUBST(MAKEQUOTE)])

dnl make.m4 ends here