diff --git a/autoconf-2.62-449944.patch b/autoconf-2.62-449944.patch
new file mode 100644
index 0000000..56b4028
--- /dev/null
+++ b/autoconf-2.62-449944.patch
@@ -0,0 +1,33 @@
+diff -ur autoconf-2.62/ChangeLog autoconf-2.62_new/ChangeLog
+--- autoconf-2.62/ChangeLog	2008-04-06 01:04:49.000000000 +0200
++++ autoconf-2.62_new/ChangeLog	2008-07-04 17:40:40.000000000 +0200
+@@ -1,3 +1,8 @@
++2008-07-04  Stepan Kasal  <skasal@redhat.com>
++
++	* lib/autoconf/c.m4 (AC_C_BIGENDIAN): Remove the checks for
++	universal binaries, it produced false positives.
++
+ 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+ 
+ 	Fix '#undef variable /* comment */' transform in config
+diff -ur autoconf-2.62/lib/autoconf/c.m4 autoconf-2.62_new/lib/autoconf/c.m4
+--- autoconf-2.62/lib/autoconf/c.m4	2008-04-06 01:04:48.000000000 +0200
++++ autoconf-2.62_new/lib/autoconf/c.m4	2008-07-04 17:38:31.000000000 +0200
+@@ -1407,17 +1407,6 @@
+ #endif])dnl
+  AC_CACHE_CHECK([whether byte ordering is bigendian], [ac_cv_c_bigendian],
+    [ac_cv_c_bigendian=unknown
+-    m4_ifval(m4_ifdef([AH_HEADER], 1)[$4],
+-      [# See if __BIG_ENDIAN__ or __LITTLE_ENDIAN__ is defined.
+-       AC_COMPILE_IFELSE(
+-	 [AC_LANG_SOURCE(
+-	    [[#if ! (defined __BIG_ENDIAN__ || defined __LITTLE_ENDIAN__)
+-	       neither is defined;
+-	     #endif
+-	     typedef int dummy;
+-	    ]])],
+-	 [ac_cv_c_bigendian=universal])],
+-      [AC_DIAGNOSE([obsolete], [AC_C_BIGENDIAN suggests AC_CONFIG_HEADERS])])
+     if test $ac_cv_c_bigendian = unknown; then
+       # See if sys/param.h defines the BYTE_ORDER macro.
+       AC_COMPILE_IFELSE(
diff --git a/autoconf.spec b/autoconf.spec
index 6b18da0..a37a483 100644
--- a/autoconf.spec
+++ b/autoconf.spec
@@ -1,7 +1,7 @@
 Summary:    A GNU tool for automatically configuring source code
 Name:       autoconf
 Version:    2.62
-Release:    3%{?dist}
+Release:    4%{?dist}
 License:    GPLv2+ and GFDL
 Group:      Development/Tools
 Source:     http://ftp.gnu.org/gnu/autoconf/autoconf-%{version}.tar.bz2
@@ -10,9 +10,10 @@ Source2:    filter-requires-automake.sh
 # This one will be included in 2.63:
 Patch0:     autoconf-2.62-449973.patch
 Patch1:     autoconf-2.62-449245.patch
+Patch2:     autoconf-2.62-449944.patch
 URL:        http://www.gnu.org/software/autoconf/
 BuildRequires:      m4 >= 1.4.7, emacs
-Requires:           m4 >= 1.4.7, mktemp, imake, grep
+Requires:           m4 >= 1.4.7
 Requires(post):     /sbin/install-info
 Requires(preun):    /sbin/install-info
 BuildArch: noarch
@@ -43,16 +44,17 @@ their use.
 %setup -q
 %patch0 -p1
 %patch1 -p1
+%patch2 -p1
 
 %build
 # use ./configure here to avoid copying config.{sub,guess} with those from the
 # rpm package
 ./configure --prefix=%{_prefix} --mandir=%{_mandir} --infodir=%{_infodir} \
   --bindir=%{_bindir} --datadir=%{_datadir}
-make #  %{?_smp_mflags}  Makefile not smp save
+make #  %{?_smp_mflags}  The Makefile is not smp safe.
 
-#check
-#make check VERBOSE=yes
+%check
+make check VERBOSE=yes
 
 %install
 rm -rf ${RPM_BUILD_ROOT}
@@ -84,6 +86,12 @@ fi
 %doc AUTHORS COPYING ChangeLog NEWS README THANKS TODO
 
 %changelog
+* Fri Jul  4 2008 Stepan Kasal <skasal@redhat.com> 2.62-4
+- add a quick fix for #449944
+- remove Requires: mktemp, imake, grep; these are required by the generated
+  configure, but not by Autoconf.
+- switch on make check
+
 * Tue Jun 24 2008 Karsten Hopp <karsten@redhat.com> 2.62-3
 - add fix for same line comments #449245 (Ralf Wildenhues)