[PATCH] boost: build context and coroutine for arm

[Vernon Mauery <vernon.mauery@linux.intel.com>]

When cross-compiling for arm architecture, bjam fails to properly
detect the abi, which causes a failed conditional to omit the
assembly code that supports the platform.

Signed-off-by: Vernon Mauery <vernon.mauery@linux.intel.com>
---
 meta/recipes-support/boost/boost.inc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/meta/recipes-support/boost/boost.inc b/meta/recipes-support/boost/boost.inc
index 6984bee777..c4faea211f 100644
--- a/meta/recipes-support/boost/boost.inc
+++ b/meta/recipes-support/boost/boost.inc
@@ -33,6 +33,7 @@ BOOST_LIBS = "\
 BOOST_LIBS_append_x86 = " context coroutine"
 BOOST_LIBS_append_x86-64 = " context coroutine"
 BOOST_LIBS_append_powerpc = " context coroutine"
+BOOST_LIBS_append_arm = " context coroutine"
 # need consistent settings for native builds (x86 override not applied for native)
 BOOST_LIBS_remove_class-native = " context coroutine"
 # does not compile
@@ -149,6 +150,9 @@ BJAM_OPTS_append_class-native = ' -sNO_BZIP2=1'
 # Adjust the build for x32
 BJAM_OPTS_append_x86-x32 = " abi=x32 address-model=64"
 
+# cross compiling for arm fails to detect abi, so provide some help
+BJAM_OPTS_append_arm = " abi=aapcs architecture=arm"
+
 do_configure() {
 	cp -f ${S}/boost/config/platform/linux.hpp ${S}/boost/config/platform/linux-gnueabi.hpp
 
-- 
2.17.1