(_gl_DECL_HEADERS): Don't bother checking for

standard C headers, or for headers we no longer use.

diff --git a/m4/check-decl.m4 b/m4/check-decl.m4
index 66c58105560b5bd417835228692f79b3f15854a6..6f776fa97d7ff9bbd5a3be8db080c5b73eccb214 100644 (file)
--- a/m4/check-decl.m4
+++ b/m4/check-decl.m4
@@ -1,4 +1,4 @@
-#serial 21
+#serial 22
 
 dnl This is just a wrapper function to encapsulate this kludge.
 dnl Putting it in a separate file like this helps share it between
@@ -67,7 +67,5 @@ dnl FIXME: when autoconf has support for it.
 dnl This is a little helper so we can require these header checks.
 AC_DEFUN([_gl_DECL_HEADERS],
 [
-  AC_REQUIRE([AC_HEADER_STDC])
-  AC_CHECK_HEADERS(grp.h memory.h pwd.h string.h strings.h stdlib.h \
-                   unistd.h sys/time.h utmp.h utmpx.h)
+  AC_CHECK_HEADERS_ONCE(grp.h pwd.h sys/time.h utmp.h)
 ])