ref-manual: variables: add TOOLCHAIN_OPTIONS variable

(From yocto-docs rev: 6f7bd97a6d3d6d8cfd149a7e07df35da4141e650)

Signed-off-by: Talel BELHAJSALEM <bhstalel@gmail.com>
Reviewed-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index 097a5fac5c..0fff292ad1 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -9135,6 +9135,16 @@ system and gives an overview of their function and contents.
       portion of an eSDK. This is similar to :term:`TOOLCHAIN_HOST_TASK`
       applying to SDKs.
 
+   :term:`TOOLCHAIN_OPTIONS`
+      This variable holds extra options passed to the compiler and the linker
+      for non ``-native`` recipes as they have to point to their custom
+      ``sysroot`` folder pointed to by :term:`RECIPE_SYSROOT`::
+
+         TOOLCHAIN_OPTIONS = " --sysroot=${RECIPE_SYSROOT}"
+
+      Native recipes don't need this variable to be set, as they are
+      built for the host machine with the native compiler.
+
    :term:`TOOLCHAIN_OUTPUTNAME`
       This variable defines the name used for the toolchain output. The
       :ref:`populate_sdk_base <ref-classes-populate-sdk-*>` class sets