find-func-no-libs2.m4 revision 72445 
1dnl $Id: find-func-no-libs2.m4,v 1.4 2000/07/15 18:10:19 joda Exp $
2dnl
3dnl
4dnl Look for function in any of the specified libraries
5dnl
6
7dnl AC_FIND_FUNC_NO_LIBS2(func, libraries, includes, arguments, extra libs, extra args)
8AC_DEFUN(AC_FIND_FUNC_NO_LIBS2, [
9
10AC_MSG_CHECKING([for $1])
11AC_CACHE_VAL(ac_cv_funclib_$1,
12[
13if 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"
26fi
27])
28
29eval "ac_res=\$ac_cv_funclib_$1"
30
31if false; then
32	AC_CHECK_FUNCS($1)
33dnl	AC_CHECK_LIBS($2, foo)
34fi
35# $1
36eval "ac_tr_func=HAVE_[]upcase($1)"
37eval "ac_tr_lib=HAVE_LIB[]upcase($ac_res | sed -e 's/-l//')"
38eval "LIB_$1=$ac_res"
39
40case "$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	;;
59esac
60AC_SUBST(LIB_$1)
61])
62