Do not build against TBB for i686 because it fails.

OpenImageIO.spec

@@ -3,7 +3,7 @@
 
 Name:           OpenImageIO
 Version:        1.0.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Library for reading and writing images
 
 Group:          Development/Libraries
@@ -18,10 +18,12 @@ Patch1:         OpenImageIO-1.0.0-tbb_include.patch
 
 BuildRequires:  boost-devel glew-devel qt-devel OpenEXR-devel ilmbase-devel
 BuildRequires:  python2-devel txt2man
-BuildRequires:  libpng-devel libtiff-devel
+BuildRequires:  libpng-devel libtiff-devel openjpeg-devel
 BuildRequires:  zlib-devel jasper-devel
 BuildRequires:  pugixml-devel
+%ifarch x86_64
 BuildRequires:  tbb-devel
+%endif
 BuildRequires:  hdf5-devel Field3D-devel
 
 # We don't want to provide private python extension libs
@@ -81,8 +83,12 @@ pushd build
        -DPYLIB_INSTALL_DIR:PATH=%{python_sitearch} \
        -DINSTALL_DOCS:BOOL=FALSE \
        -DUSE_EXTERNAL_PUGIXML:BOOL=TRUE \
+%ifarch x86_64
        -DUSE_TBB:BOOL=TRUE \
        -DUSE_EXTERNAL_TBB=TRUE \
+%else
+       -DUSE_TBB:BOOL=FALSE \
+%endif
        ../src
 
 make %{?_smp_mflags}
@@ -119,6 +125,9 @@ cp -a doc/*.1 %{buildroot}%{_mandir}/man1
 
 
 %changelog
+* Tue Mar 13 2012 Richard Shaw <hobbes1069@gmail.com> - 1.0.0-2
+- Do not build against TBB for i686 because it fails.
+
 * Fri Mar 02 2012 Richard Shaw <hobbes1069@gmail.com> - 1.0.0-1
 - Update to latest upstream release.