Add support for building on ppc64le

ppc64le is a little-endian mode of ppc64.
Nodejs determines the endianness of the system
and since it already supports bi-endian ppc64,
just pass nodejs "ppc64" when the TARGET_ARCH is
ppc64le. A patch has been submitted to openembedded:
http://lists.openembedded.org/pipermail/openembedded-devel/2018-February/116737.html

Until we move to a version of Yocto that has this patch,
override the map_nodejs_arch function in a bbappend.
This works because in Python "when you define a new
function with the same name as a previously defined
function, the function name is now bound to the new
function object, and the old function object is
reclaimed by the garbage collector."

Resolves openbmc/openbmc#2907

Tested:Built OpenBMC on a ppc64le system.
Change-Id: Ie6a48a5cd1825eb71d9fd5f734f3057bed7d780d
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/meta-phosphor/common/recipes-devtools/nodejs/nodejs_4.6.1.bbappend b/meta-phosphor/common/recipes-devtools/nodejs/nodejs_4.6.1.bbappend
new file mode 100644
index 000000000..a70300d86
--- /dev/null
+++ b/meta-phosphor/common/recipes-devtools/nodejs/nodejs_4.6.1.bbappend
@@ -0,0 +1,12 @@
+# Overriding map_nodejs_arch() is needed to support building nodejs on ppc64le
+# We can remove this, once OpenBMC moves to a version of Yocto with
+# http://lists.openembedded.org/pipermail/openembedded-devel/2018-February/116737.html
+def map_nodejs_arch(a, d):
+        import re
+
+        if   re.match('i.86$', a): return 'ia32'
+        elif re.match('x86_64$', a): return 'x64'
+        elif re.match('aarch64$', a): return 'arm64'
+        elif re.match('(powerpc64|ppc64le)$', a): return 'ppc64'
+        elif re.match('powerpc$', a): return 'ppc'
+        return a