The following commit has been merged in the master branch:
commit 2d8721c8417aaa8dd8fe1f393eee69e92e5b2294
Author: Guillem Jover <[email protected]>
Date:   Wed Nov 3 01:57:42 2010 +0100

    build: Use AC_REQUIRE for AC_CANONICAL_HOST in DPKG_FUNC_ASYNC_SYNC

diff --git a/m4/dpkg-funcs.m4 b/m4/dpkg-funcs.m4
index 45c0e3c..c5ea87c 100644
--- a/m4/dpkg-funcs.m4
+++ b/m4/dpkg-funcs.m4
@@ -90,7 +90,7 @@ AC_DEFUN([DPKG_MMAP],
 # Define HAVE_ASYNC_SYNC if sync() is asynchronous
 AC_DEFUN([DPKG_FUNC_ASYNC_SYNC],
 [
-  AC_CANONICAL_HOST
+  AC_REQUIRE([AC_CANONICAL_HOST])
   AC_MSG_CHECKING([whether sync is asynchronous])
   AS_CASE([$host_os],
           [linux-*], [dpkg_cv_async_sync=no],

-- 
dpkg's main repository


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