freebsd-dev/crypto/kerberosIV/cf/find-func-no-libs2.m4
2000-01-09 08:31:47 +00:00

64 lines
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dnl $Id: find-func-no-libs2.m4,v 1.3 1999/10/30 21:09:53 assar 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_$1"
dnl autoheader tricks *sigh*
: << END
@@@funcs="$funcs $1"@@@
@@@libs="$libs $2"@@@
END
# $1
eval "ac_tr_func=HAVE_[]upcase($1)"
eval "ac_tr_lib=HAVE_LIB[]upcase($ac_res | sed -e 's/-l//')"
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)
])