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-rw-r--r--Help/command/DEVICE_LINK_OPTIONS.txt2
-rw-r--r--Help/command/LINK_OPTIONS_LINKER.txt3
-rw-r--r--Help/command/OPTIONS_SHELL.txt16
3 files changed, 15 insertions, 6 deletions
diff --git a/Help/command/DEVICE_LINK_OPTIONS.txt b/Help/command/DEVICE_LINK_OPTIONS.txt
index 1297cd0..3d50208 100644
--- a/Help/command/DEVICE_LINK_OPTIONS.txt
+++ b/Help/command/DEVICE_LINK_OPTIONS.txt
@@ -1,3 +1,5 @@
+Host And Device Specific Link Options
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.. versionadded:: 3.18
When a device link step is involved, which is controlled by
diff --git a/Help/command/LINK_OPTIONS_LINKER.txt b/Help/command/LINK_OPTIONS_LINKER.txt
index 3f66181..e71e5ea 100644
--- a/Help/command/LINK_OPTIONS_LINKER.txt
+++ b/Help/command/LINK_OPTIONS_LINKER.txt
@@ -1,3 +1,6 @@
+Handling Compiler Driver Differences
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
To pass options to the linker tool, each compiler driver has its own syntax.
The ``LINKER:`` prefix and ``,`` separator can be used to specify, in a portable
way, options to pass to the linker tool. ``LINKER:`` is replaced by the
diff --git a/Help/command/OPTIONS_SHELL.txt b/Help/command/OPTIONS_SHELL.txt
index 4051ffe..4171f01 100644
--- a/Help/command/OPTIONS_SHELL.txt
+++ b/Help/command/OPTIONS_SHELL.txt
@@ -1,11 +1,15 @@
-The final set of compile or link options used for a target is constructed by
+Option De-duplication
+^^^^^^^^^^^^^^^^^^^^^
+
+The final set of options used for a target is constructed by
accumulating options from the current target and the usage requirements of
its dependencies. The set of options is de-duplicated to avoid repetition.
.. versionadded:: 3.12
While beneficial for individual options, the de-duplication step can break
- up option groups. For example, ``-D A -D B`` becomes ``-D A B``. One may
- specify a group of options using shell-like quoting along with a ``SHELL:``
- prefix. The ``SHELL:`` prefix is dropped, and the rest of the option string
- is parsed using the :command:`separate_arguments` ``UNIX_COMMAND`` mode.
- For example, ``"SHELL:-D A" "SHELL:-D B"`` becomes ``-D A -D B``.
+ up option groups. For example, ``-option A -option B`` becomes
+ ``-option A B``. One may specify a group of options using shell-like
+ quoting along with a ``SHELL:`` prefix. The ``SHELL:`` prefix is dropped,
+ and the rest of the option string is parsed using the
+ :command:`separate_arguments` ``UNIX_COMMAND`` mode. For example,
+ ``"SHELL:-option A" "SHELL:-option B"`` becomes ``-option A -option B``.