linux.inc: mangle defconfig to support thumb when building a thumb userspace

* Dave, you owe me a beer :)

diff --git a/packages/linux/linux.inc b/packages/linux/linux.inc
index 6b8b683..bd7c07b 100644 (file)
--- a/packages/linux/linux.inc
+++ b/packages/linux/linux.inc
@@ -74,6 +74,12 @@ do_configure_prepend() {
                 echo "# CONFIG_OABI_COMPAT is not set"  >> ${S}/.config
         fi
 
+        # When enabling thumb for userspace we also need thumb support in the kernel
+        if [ "${ARM_INSTRUCTION_SET}" = "thumb" ] ; then
+            sed -i -e /CONFIG_ARM_THUMB/d ${WORKDIR}/defconfig 
+            echo "CONFIG_ARM_THUMB=y" >> ${S}/.config
+        fi
+
        #
        # endian support
        #