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authorBrad King <brad.king@kitware.com>2021-01-21 17:08:48 (GMT)
committerCraig Scott <craig.scott@crascit.com>2021-01-22 20:29:10 (GMT)
commit3c80666f00d94a762d768130cfa6adce6eb21487 (patch)
tree9d111854bc9aa6d3370e16cb901b8b744bf6c254
parentc69567e56a3b4ba4eb6e02112b95c0143894d598 (diff)
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Help: Document intended purpose of XCODE_ATTRIBUTE_<an-attribute>
Also warn the reader against setting values CMake normally generates. Issue: #21728
-rw-r--r--Help/prop_tgt/XCODE_ATTRIBUTE_an-attribute.rst8
-rw-r--r--Help/variable/CMAKE_XCODE_ATTRIBUTE_an-attribute.rst10
2 files changed, 15 insertions, 3 deletions
diff --git a/Help/prop_tgt/XCODE_ATTRIBUTE_an-attribute.rst b/Help/prop_tgt/XCODE_ATTRIBUTE_an-attribute.rst
index 71858c5..fbe7608 100644
--- a/Help/prop_tgt/XCODE_ATTRIBUTE_an-attribute.rst
+++ b/Help/prop_tgt/XCODE_ATTRIBUTE_an-attribute.rst
@@ -3,9 +3,15 @@ XCODE_ATTRIBUTE_<an-attribute>
Set Xcode target attributes directly.
-Tell the :generator:`Xcode` generator to set '<an-attribute>' to a given
+Tell the :generator:`Xcode` generator to set ``<an-attribute>`` to a given
value in the generated Xcode project. Ignored on other generators.
+This offers low-level control over the generated Xcode project file.
+It is meant as a last resort for specifying settings that CMake does
+not otherwise have a way to control. Although this can override a
+setting CMake normally produces on its own, doing so bypasses CMake's
+model of the project and can break things.
+
See the :variable:`CMAKE_XCODE_ATTRIBUTE_<an-attribute>` variable
to set attributes on all targets in a directory tree.
diff --git a/Help/variable/CMAKE_XCODE_ATTRIBUTE_an-attribute.rst b/Help/variable/CMAKE_XCODE_ATTRIBUTE_an-attribute.rst
index 90e4c0e..ffa0a4c 100644
--- a/Help/variable/CMAKE_XCODE_ATTRIBUTE_an-attribute.rst
+++ b/Help/variable/CMAKE_XCODE_ATTRIBUTE_an-attribute.rst
@@ -5,8 +5,14 @@ CMAKE_XCODE_ATTRIBUTE_<an-attribute>
Set Xcode target attributes directly.
-Tell the :generator:`Xcode` generator to set '<an-attribute>' to a given value
-in the generated Xcode project. Ignored on other generators.
+Tell the :generator:`Xcode` generator to set ``<an-attribute>`` to a given
+value in the generated Xcode project. Ignored on other generators.
+
+This offers low-level control over the generated Xcode project file.
+It is meant as a last resort for specifying settings that CMake does
+not otherwise have a way to control. Although this can override a
+setting CMake normally produces on its own, doing so bypasses CMake's
+model of the project and can break things.
See the :prop_tgt:`XCODE_ATTRIBUTE_<an-attribute>` target property
to set attributes on a specific target.