move prerequisites to precede AC_CACHE_CHECK

diff --git a/m4/ftw.m4 b/m4/ftw.m4
index 6f03ea123dc38873c867d78aeca2a0d1451e2868..7738cf3cd2b1acee73cffc61d3affc2c0c75377b 100644 (file)
--- a/m4/ftw.m4
+++ b/m4/ftw.m4
@@ -3,13 +3,14 @@
 # From Jim Meyering
 
 AC_DEFUN([AC_FUNC_FTW],
-[AC_CACHE_CHECK([for working GNU ftw], ac_cv_func_ftw_working,
 [
   # prerequisites
   AC_REQUIRE([AC_HEADER_DIRENT])
   AC_CHECK_HEADERS(sys/param.h)
   AC_CHECK_DECLS([stpcpy])
   AC_CHECK_FUNC([tdestroy], , [need_tdestroy=1])
+  AC_CACHE_CHECK([for working GNU ftw], ac_cv_func_ftw_working,
+  [
 
   # The following test would fail prior to glibc-2.3.2, because `depth'
   # would be 2 rather than 4.
@@ -43,11 +44,11 @@ main ()
                [ac_cv_func_ftw_working=yes],
                [ac_cv_func_ftw_working=no],
                [ac_cv_func_ftw_working=no])])
-if test $ac_cv_func_ftw_working = no; then
-  AC_LIBOBJ([ftw])
-  # Add tsearch.o IFF we have to use the replacement ftw.c.
-  if test -n "$need_tdestroy"; then
-    AC_LIBOBJ([tsearch])
+  if test $ac_cv_func_ftw_working = no; then
+    AC_LIBOBJ([ftw])
+    # Add tsearch.o IFF we have to use the replacement ftw.c.
+    if test -n "$need_tdestroy"; then
+      AC_LIBOBJ([tsearch])
+    fi
   fi
-fi
 ])# AC_FUNC_FTW