glibc: Help compile with -Os

When we modify to use -Os
-Werror doesnt go well with it, glibc needs to be
cleaned up for that but until then lets disable -Werror
when using -Os

Also updates the options group patch to work better with -Os.

(From OE-Core rev: 98e1dc574ef3be668d6a42232ad030d1af93c49f)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta/recipes-core/glibc/glibc.inc b/meta/recipes-core/glibc/glibc.inc
index 99a4753044..4d5e98b969 100644
--- a/meta/recipes-core/glibc/glibc.inc
+++ b/meta/recipes-core/glibc/glibc.inc
@@ -15,6 +15,9 @@ def get_optimization(d):
     if bb.utils.contains("SELECTED_OPTIMIZATION", "-O0", "x", "", d) == "x":
         bb.note("glibc can't be built with -O0, -O2 will be used instead.")
         return selected_optimization.replace("-O0", "-O2")
+    elif bb.utils.contains("SELECTED_OPTIMIZATION", "-O0", "x", "", d) == "x":
+        bb.note("glibc can't be built with -Os, -Os -Wno-error will be used instead.")
+        return selected_optimization.replace("-Os", "-Os -Wno-error")
     return selected_optimization
 
 SELECTED_OPTIMIZATION := "${@get_optimization(d)}"