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	jmc	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			])