[PATCH] sane-toolchain.inc: THUMB_INTERWORK should not be defined for armv4 and add armv4 to ARM EABI supporting architectures.

[Khem Raj <raj.khem@gmail.com>]

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 conf/distro/include/sane-toolchain.inc |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/conf/distro/include/sane-toolchain.inc b/conf/distro/include/sane-toolchain.inc
index 6b6b170..8d9912f 100644
--- a/conf/distro/include/sane-toolchain.inc
+++ b/conf/distro/include/sane-toolchain.inc
@@ -86,7 +86,12 @@ ARM_INSTRUCTION_SET = "${PREFERRED_ARM_INSTRUCTION_SET}"
 #    but requires more instructions (140% for 70% smaller code) so may be
 #    slower.
 
-THUMB_INTERWORK = "yes"
+# armv4 does not have thumb instruction set therefore no interworking instructions
+# so if machine is based on armv4 we dont have choice.
+
+THUMB_INTERWORK_armv4 = "no"
+THUMB_INTERWORK ?= "yes"
+
 # "yes" "no"
 #    Whether to compile with code to allow interworking between the two
 #    instruction sets.  This allows thumb code to be executed on a primarily
@@ -145,7 +150,7 @@ def detect_arm_abi (d):
 			return "oabi"
 		else:
 			return ""
-	if bb.data.getVar('TARGET_ARCH', d, 1) in [ 'arm', 'armeb' ]:          
+	if bb.data.getVar('TARGET_ARCH', d, 1) in [ 'arm', 'armeb' ]:
 		if 'eabi' in bb.data.getVar('DISTRO_FEATURES',d).split():
 			return "eabi"
 		return "oabi"
@@ -154,7 +159,7 @@ def detect_arm_abi (d):
 def compute_os_portion_of_target_triplet (d):
 	import bb
 	arm_eabi_supporting_arches = "armv6 armv6-novfp \
-	armv5te iwmmxt armv7a armv7 armv5teb armv4t"
+	armv5te iwmmxt armv7a armv7 armv5teb armv4t armv4"
 	ppc_spe_supporting_arches = "ppce500v2 ppce500"
 	gnu_suffix = ""
 	if bb.data.getVar('LIBC', d, 1) == "uclibc":
-- 
1.7.0.4