diff --git a/mingw-w64-headers-0.0.20090827.2.tar.bz2 b/mingw-w64-headers-0.0.20090827.2.tar.bz2
deleted file mode 100644
index e5fb0e1..0000000
--- a/mingw-w64-headers-0.0.20090827.2.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:f57b8cf6734b55518e10de8bdaee86e0ec299d8d0b69e13a8da3399ed4376aa5
-size 2933750
diff --git a/mingw-w64-headers-1.0b.tar.bz2 b/mingw-w64-headers-1.0b.tar.bz2
new file mode 100644
index 0000000..3f1de35
--- /dev/null
+++ b/mingw-w64-headers-1.0b.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bd7a3f8a944ddde498b74726f9c88ee9a014446acf9de0f4d4c8f125aea542ce
+size 2970702
diff --git a/mingw32-headers-0.0.20090827.2-rpmlintrc b/mingw32-headers-1.0b-rpmlintrc
similarity index 100%
rename from mingw32-headers-0.0.20090827.2-rpmlintrc
rename to mingw32-headers-1.0b-rpmlintrc
diff --git a/mingw32-headers.spec b/mingw32-headers.spec
index b187ab6..e683c9e 100644
--- a/mingw32-headers.spec
+++ b/mingw32-headers.spec
@@ -1,7 +1,7 @@
 %define __os_install_post /usr/lib/rpm/brp-compress %{nil}
 
 Name:           mingw32-headers
-Version:        0.0.20090827.2
+Version:        1.0b
 Release:        0
 Summary:        MinGW-W64 headers for win32 and win64
 
@@ -24,23 +24,25 @@ MinGW Win64 headers.
 
 
 %prep
-%setup -q -c
+%setup -q -n mingw-w64-headers-%{version}
 
 %build
-rm -rf %{_mingw32_target}
-
-# Setup sys-root.
-mkdir -p %{_mingw32_target}/sys-root/mingw
-cp -a mingw-w64-headers/include %{_mingw32_target}/sys-root/mingw
-cp -a mingw-w64-headers/direct-x/include/* %{_mingw32_target}/sys-root/mingw/include/
+./configure --host=%{_mingw32_target} \
+	--prefix=%{_prefix} \
+	--with-sdk=all
 
+make
 
 %install
 rm -rf $RPM_BUILD_ROOT
+mkdir -p $RPM_BUILD_ROOT%{_prefix}/%{_mingw32_target}
+mkdir -p $RPM_BUILD_ROOT%{_mingw32_includedir}
+ln -s $RPM_BUILD_ROOT%{_mingw32_includedir} \
+$RPM_BUILD_ROOT%{_prefix}/%{_mingw32_target}/include
 
-mkdir -p $RPM_BUILD_ROOT%{_prefix}
-cp -a %{_mingw32_target} $RPM_BUILD_ROOT%{_prefix}
+make DESTDIR=$RPM_BUILD_ROOT install
 
+rm -f $RPM_BUILD_ROOT%{_prefix}/%{_mingw32_target}/include
 
 %clean
 rm -rf $RPM_BUILD_ROOT