[fptools_cv_readdir_eof_errno=0])])
AC_DEFINE_UNQUOTED([READDIR_ERRNO_EOF], [$fptools_cv_readdir_eof_errno], [readdir() sets errno to this upon EOF])
])# FP_READDIR_EOF_ERRNO
+
+# FP_SEARCH_LIBS_PROTO(WHAT, PROTOTYPE, FUNCTION, SEARCH-LIBS,
+# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
+# [OTHER-LIBRARIES])
+# --------------------------------------------------------
+# Search for a library defining FUNC, if it's not already available.
+# This is a copy of the AC_SEARCH_LIBS definition, but extended to take
+# the name of the thing we are looking for as its first argument, and
+# prototype text as its second argument. It also calls AC_LANG_PROGRAM
+# instead of AC_LANG_CALL
+AC_DEFUN([FP_SEARCH_LIBS_PROTO],
+[AS_VAR_PUSHDEF([ac_Search], [ac_cv_search_$3])dnl
+AC_CACHE_CHECK([for library containing $1], [ac_Search],
+[ac_func_search_save_LIBS=$LIBS
+AC_LANG_CONFTEST([AC_LANG_PROGRAM([$2], [$3])])
+for ac_lib in '' $4; do
+ if test -z "$ac_lib"; then
+ ac_res="none required"
+ else
+ ac_res=-l$ac_lib
+ LIBS="-l$ac_lib $7 $ac_func_search_save_LIBS"
+ fi
+ AC_LINK_IFELSE([], [AS_VAR_SET([ac_Search], [$ac_res])])
+ AS_VAR_SET_IF([ac_Search], [break])dnl
+done
+AS_VAR_SET_IF([ac_Search], , [AS_VAR_SET([ac_Search], [no])])dnl
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS])
+ac_res=AS_VAR_GET([ac_Search])
+AS_IF([test "$ac_res" != no],
+ [test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+ $5],
+ [$6])dnl
+AS_VAR_POPDEF([ac_Search])dnl
+])
+