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-rw-r--r--Help/generator/Ninja Multi-Config.rst6
-rw-r--r--Help/manual/cmake-variables.7.rst1
-rw-r--r--Help/variable/CMAKE_NINJA_MULTI_CROSS_CONFIGS.rst7
3 files changed, 14 insertions, 0 deletions
diff --git a/Help/generator/Ninja Multi-Config.rst b/Help/generator/Ninja Multi-Config.rst
index 41cd5c2..e7f362e 100644
--- a/Help/generator/Ninja Multi-Config.rst
+++ b/Help/generator/Ninja Multi-Config.rst
@@ -31,6 +31,12 @@ targets will always use the configuration specified in
Ninja for the same file to be output with different commands in the same build
graph.
+You can additionally use :variable:`CMAKE_NINJA_MULTI_CROSS_CONFIGS` to limit
+the configurations that get cross-generated. If this variable is set, each
+``build-<Config>.ninja`` file will only contain rules for the configurations
+listed in the variable, plus their own configuration. This also affects which
+configurations are built by the ``<target>:all`` target.
+
If :variable:`CMAKE_NINJA_MULTI_CROSS_CONFIG_ENABLE` is not enabled, you can
still build any target in ``build-<Config>.ninja`` by specifying
``<target>:<Config>`` or ``<target>``, but not ``<target>:<OtherConfig>`` or
diff --git a/Help/manual/cmake-variables.7.rst b/Help/manual/cmake-variables.7.rst
index da2b06e..10d7f2c 100644
--- a/Help/manual/cmake-variables.7.rst
+++ b/Help/manual/cmake-variables.7.rst
@@ -424,6 +424,7 @@ Variables that Control the Build
/variable/CMAKE_MODULE_LINKER_FLAGS_INIT
/variable/CMAKE_MSVCIDE_RUN_PATH
/variable/CMAKE_MSVC_RUNTIME_LIBRARY
+ /variable/CMAKE_NINJA_MULTI_CROSS_CONFIGS
/variable/CMAKE_NINJA_MULTI_CROSS_CONFIG_ENABLE
/variable/CMAKE_NINJA_MULTI_DEFAULT_BUILD_ALIAS
/variable/CMAKE_NINJA_MULTI_DEFAULT_BUILD_TYPE
diff --git a/Help/variable/CMAKE_NINJA_MULTI_CROSS_CONFIGS.rst b/Help/variable/CMAKE_NINJA_MULTI_CROSS_CONFIGS.rst
new file mode 100644
index 0000000..48f6985
--- /dev/null
+++ b/Help/variable/CMAKE_NINJA_MULTI_CROSS_CONFIGS.rst
@@ -0,0 +1,7 @@
+CMAKE_NINJA_MULTI_CROSS_CONFIGS
+-------------------------------
+
+Set which configurations get cross-built if
+:variable:`CMAKE_NINJA_MULTI_CROSS_CONFIG_ENABLE` is set. See the
+documentation for the :generator:`Ninja Multi-Config` generator for more
+information.