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-rw-r--r--Source/cmDocumentGeneratorExpressions.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/Source/cmDocumentGeneratorExpressions.h b/Source/cmDocumentGeneratorExpressions.h
index 8b80a8a..3993f7d 100644
--- a/Source/cmDocumentGeneratorExpressions.h
+++ b/Source/cmDocumentGeneratorExpressions.h
@@ -51,6 +51,14 @@
"on the target tgt.\n" \
"Note that tgt is not added as a dependency of the target this " \
"expression is evaluated on.\n" \
+ " $<LINKED:item> = An empty string if item is not a " \
+ "target. If item is a target then the " \
+ "INTERFACE_INCLUDE_DIRECTORIES or INTERFACE_COMPILE_DEFINITIONS " \
+ "content is read from the target. " \
+ "This generator expression can only be used in evaluation of the " \
+ "INCLUDE_DIRECTORIES or COMPILE_DEFINITIONS property. Note that " \
+ "this expression is for internal use and may be changed or removed " \
+ "in the future.\n" \
" $<TARGET_POLICY:pol> = '1' if the policy was NEW when " \
"the 'head' target was created, else '0'. If the policy was not " \
"set, the warning message for the policy will be emitted. This " \