[OE-core] [PATCH 1/2] boost: build context and coroutine on ARM

[Ross Burton]

With the right flags to the build, the context library can be built on ARM.

[ YOCTO #11253 ]

Signed-off-by: Ross Burton <ross.burton at intel.com>
---
 meta/recipes-support/boost/boost.inc | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/meta/recipes-support/boost/boost.inc b/meta/recipes-support/boost/boost.inc
index 4ff70e3..f85e1d1 100644
--- a/meta/recipes-support/boost/boost.inc
+++ b/meta/recipes-support/boost/boost.inc
@@ -28,12 +28,15 @@ BOOST_LIBS = "\
 	wave \
 	"
 
-# only supported by x86 and powerpc
+# Enable context only on platforms we've verified it builds on
+BOOST_LIBS_append_arm = " context coroutine"
+BOOST_LIBS_append_arm-64 = " context coroutine"
+BOOST_LIBS_append_powerpc = " context coroutine"
 BOOST_LIBS_append_x86 = " context coroutine"
 BOOST_LIBS_append_x86-64 = " context coroutine"
-BOOST_LIBS_append_powerpc = " context coroutine"
 # need consistent settings for native builds (x86 override not applied for native)
 BOOST_LIBS_remove_class-native = " context coroutine"
+
 # does not compile
 BOOST_LIBS_remove_mips16e = "wave"
 
@@ -168,7 +171,9 @@ BJAM_OPTS    = '${BOOST_PARALLEL_MAKE} -d+2 -q \
 # Native compilation of bzip2 isn't working
 BJAM_OPTS_append_class-native = ' -sNO_BZIP2=1'
 
-# Adjust the build for x32
+# Teach bjam how to build as it ignores the compiler flags we pass
+BJAM_OPTS_append_arm += " abi=aapcs binary-format=elf address-model=32 architecture=arm"
+BJAM_OPTS_append_arm-64 += " abi=aapcs binary-format=elf address-model=64 architecture=arm"
 BJAM_OPTS_append_linux-gnux32 = " abi=x32 address-model=64"
 
 do_configure() {
-- 
2.8.1