manuals: add missing references to variables

[YOCTO #14508]
(From yocto-docs rev: 7878a21be8fb6c7a1ab88ae44aa5f7bf0079391a)

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

3 files changed, 6 insertions, 6 deletions

diff --git a/documentation/test-manual/intro.rst b/documentation/test-manual/intro.rst
index 9afe108396..2d75e141f1 100644
--- a/documentation/test-manual/intro.rst
+++ b/documentation/test-manual/intro.rst
@@ -512,14 +512,14 @@ workers, consider the following:
 
 **Running "cleanall" is not permitted.**
 
-This can delete files from DL_DIR which would potentially break other
-builds running in parallel. If this is required, DL_DIR must be set to
+This can delete files from :term:`DL_DIR` which would potentially break other
+builds running in parallel. If this is required, :term:`DL_DIR` must be set to
 an isolated directory.
 
 **Running "cleansstate" is not permitted.**
 
-This can delete files from SSTATE_DIR which would potentially break
-other builds running in parallel. If this is required, SSTATE_DIR must
+This can delete files from :term:`SSTATE_DIR` which would potentially break
+other builds running in parallel. If this is required, :term:`SSTATE_DIR` must
 be set to an isolated directory. Alternatively, you can use the "-f"
 option with the ``bitbake`` command to "taint" tasks by changing the
 sstate checksums to ensure sstate cache items will not be reused.
diff --git a/documentation/test-manual/reproducible-builds.rst b/documentation/test-manual/reproducible-builds.rst
index 61127de23c..2a2f7790d2 100644
--- a/documentation/test-manual/reproducible-builds.rst
+++ b/documentation/test-manual/reproducible-builds.rst
@@ -71,7 +71,7 @@ things we do within the build system to ensure reproducibility include:
 .. note::
 
    Because of an open bug in GCC, using ``DISTRO_FEATURES:append = " lto"`` or
-   adding ``-flto`` (Link Time Optimization) to ``CFLAGS`` makes the resulting
+   adding ``-flto`` (Link Time Optimization) to :term:`CFLAGS` makes the resulting
    binary non-reproducible, in that it depends on the full absolute build path
    to ``recipe-sysroot-native``, so installing the Yocto Project in a different
    directory results in a different binary.
diff --git a/documentation/test-manual/understand-autobuilder.rst b/documentation/test-manual/understand-autobuilder.rst
index 70ec4535f5..bfdc678164 100644
--- a/documentation/test-manual/understand-autobuilder.rst
+++ b/documentation/test-manual/understand-autobuilder.rst
@@ -170,7 +170,7 @@ the system can checkout repositories.
 Shared DL_DIR
 -------------
 
-The Workers are all connected over NFS which allows DL_DIR to be shared
+The Workers are all connected over NFS which allows :term:`DL_DIR` to be shared
 between them. This reduces network accesses from the system and allows
 the build to be sped up. Usage of the directory within the build system
 is designed to be able to be shared over NFS.