diff --git a/srcpkgs/ilmbase/patches/arm.patch b/srcpkgs/ilmbase/patches/arm.patch
new file mode 100644
index 00000000000..505410c38c7
--- /dev/null
+++ b/srcpkgs/ilmbase/patches/arm.patch
@@ -0,0 +1,11 @@
+--- IexMath/IexMathFpu.cpp	2013-03-06 16:18:50.000000000 -0700
++++ IexMath/IexMathFpu.cpp	2013-04-20 19:45:33.400749953 -0600
+@@ -53,7 +53,7 @@
+ #endif
+ 
+ 
+-#ifdef HAVE_UCONTEXT_H
++#if defined(HAVE_UCONTEXT_H) && (defined(__x86_64__) || defined(__i386__))
+ 
+ 
+ #include <ucontext.h>
diff --git a/srcpkgs/ilmbase/template b/srcpkgs/ilmbase/template
index cbbd7f7646b..ecc21448ed6 100644
--- a/srcpkgs/ilmbase/template
+++ b/srcpkgs/ilmbase/template
@@ -1,7 +1,7 @@
 # Template file for 'ilmbase'
 pkgname=ilmbase
 version=2.1.0
-revision=1
+revision=2
 build_style=gnu-configure
 short_desc="Base libraries from ILM for OpenEXR"
 maintainer="Juan RP <xtraeme@gmail.com>"
@@ -9,6 +9,7 @@ license="BSD"
 homepage="http://www.openexr.com"
 distfiles="http://download.savannah.nongnu.org/releases/openexr/$pkgname-$version.tar.gz"
 checksum=1e841ad89c5761940b07a125e6909ad22fe9fe0f99eadef45e0cca4efc6819b4
+nocross=yes
 
 post_install() {
 	vinstall COPYING 644 usr/share/licenses/${pkgname}