mpack-1.6-4/cmulocal/find-func-no-libs2.m4

dnl $Id: find-func-no-libs2.m4,v 1.1 2001/04/04 17:58:30 shadow Exp $
dnl
dnl
dnl Look for function in any of the specified libraries
dnl

dnl AC_FIND_FUNC_NO_LIBS2(func, libraries, includes, arguments, extra libs, extra args)
AC_DEFUN(AC_FIND_FUNC_NO_LIBS2, [

AC_MSG_CHECKING([for $1])
AC_CACHE_VAL(ac_cv_funclib_$1,
[
if eval "test \"\$ac_cv_func_$1\" != yes" ; then
	ac_save_LIBS="$LIBS"
	for ac_lib in $2; do
		if test -n "$ac_lib"; then 
			ac_lib="-l$ac_lib"
		else
			ac_lib=""
		fi
		LIBS="$6 $ac_lib $5 $ac_save_LIBS"
		AC_TRY_LINK([$3],[$1($4)],eval "if test -n \"$ac_lib\";then ac_cv_funclib_$1=$ac_lib; else ac_cv_funclib_$1=yes; fi";break)
	done
	eval "ac_cv_funclib_$1=\${ac_cv_funclib_$1-no}"
	LIBS="$ac_save_LIBS"
fi
])

eval "ac_res=\$ac_cv_funclib_$1"

if false; then
	AC_CHECK_FUNCS($1)
dnl	AC_CHECK_LIBS($2, foo)
fi
# $1
ac_tr_func=HAVE_`echo $1 | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
ac_tr_lib=HAVE_LIB_`echo $ac_res |sed 's/-l//' | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
eval "LIB_$1=$ac_res"

case "$ac_res" in
	yes)
	eval "ac_cv_func_$1=yes"
	eval "LIB_$1="
	AC_DEFINE_UNQUOTED($ac_tr_func)
	AC_MSG_RESULT([yes])
	;;
	no)
	eval "ac_cv_func_$1=no"
	eval "LIB_$1="
	AC_MSG_RESULT([no])
	;;
	*)
	eval "ac_cv_func_$1=yes"
	eval "ac_cv_lib_`echo "$ac_res" | sed 's/-l//'`=yes"
	AC_DEFINE_UNQUOTED($ac_tr_func)
	AC_DEFINE_UNQUOTED($ac_tr_lib)
	AC_MSG_RESULT([yes, in $ac_res])
	;;
esac
AC_SUBST(LIB_$1)
])
1	dnl $Id: find-func-no-libs2.m4,v 1.1 2001/04/04 17:58:30 shadow Exp $
2	dnl
3	dnl
4	dnl Look for function in any of the specified libraries
5	dnl
6
7	dnl AC_FIND_FUNC_NO_LIBS2(func, libraries, includes, arguments, extra libs, extra args)
8	AC_DEFUN(AC_FIND_FUNC_NO_LIBS2, [
9
10	AC_MSG_CHECKING([for $1])
11	AC_CACHE_VAL(ac_cv_funclib_$1,
12	[
13	if eval "test \"\$ac_cv_func_$1\" != yes" ; then
14	ac_save_LIBS="$LIBS"
15	for ac_lib in $2; do
16	if test -n "$ac_lib"; then
17	ac_lib="-l$ac_lib"
18	else
19	ac_lib=""
20	fi
21	LIBS="$6 $ac_lib $5 $ac_save_LIBS"
22	AC_TRY_LINK([$3],[$1($4)],eval "if test -n \"$ac_lib\";then ac_cv_funclib_$1=$ac_lib; else ac_cv_funclib_$1=yes; fi";break)
23	done
24	eval "ac_cv_funclib_$1=\${ac_cv_funclib_$1-no}"
25	LIBS="$ac_save_LIBS"
26	fi
27	])
28
29	eval "ac_res=\$ac_cv_funclib_$1"
30
31	if false; then
32	AC_CHECK_FUNCS($1)
33	dnl AC_CHECK_LIBS($2, foo)
34	fi
35	# $1
36	ac_tr_func=HAVE_`echo $1 \| sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
37	ac_tr_lib=HAVE_LIB_`echo $ac_res \|sed 's/-l//' \| sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
38	eval "LIB_$1=$ac_res"
39
40	case "$ac_res" in
41	yes)
42	eval "ac_cv_func_$1=yes"
43	eval "LIB_$1="
44	AC_DEFINE_UNQUOTED($ac_tr_func)
45	AC_MSG_RESULT([yes])
46	;;
47	no)
48	eval "ac_cv_func_$1=no"
49	eval "LIB_$1="
50	AC_MSG_RESULT([no])
51	;;
52	*)
53	eval "ac_cv_func_$1=yes"
54	eval "ac_cv_lib_`echo "$ac_res" \| sed 's/-l//'`=yes"
55	AC_DEFINE_UNQUOTED($ac_tr_func)
56	AC_DEFINE_UNQUOTED($ac_tr_lib)
57	AC_MSG_RESULT([yes, in $ac_res])
58	;;
59	esac
60	AC_SUBST(LIB_$1)
61	])