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-rw-r--r--Source/cmSourceFile.cxx20
1 files changed, 16 insertions, 4 deletions
diff --git a/Source/cmSourceFile.cxx b/Source/cmSourceFile.cxx
index 3ee3708..09cce70 100644
--- a/Source/cmSourceFile.cxx
+++ b/Source/cmSourceFile.cxx
@@ -507,10 +507,22 @@ void cmSourceFile::DefineProperties(cmake *cm)
"or Resources directories.");
cm->DefineProperty
- ("OBJECT_DEPENDS", cmProperty::SOURCE_FILE,
- "Additional dependencies.",
- "Additional dependencies that should be checked as part of "
- "building this source file.");
+ ("OBJECT_DEPENDS", cmProperty::SOURCE_FILE,
+ "Additional files on which a compiled object file depends.",
+ "Specifies a semicolon-separated list of full-paths to files on which "
+ "any object files compiled from this source file depend. "
+ "An object file will be recompiled if any of the named files is newer "
+ "than it.\n"
+ "This property need not be used to specify the dependency of a "
+ "source file on a generated header file that it includes. "
+ "Although the property was originally introduced for this purpose, it "
+ "is no longer necessary. "
+ "If the generated header file is created by a custom command in the "
+ "same target as the source file, the automatic dependency scanning "
+ "process will recognize the dependency. "
+ "If the generated header file is created by another target, an "
+ "inter-target dependency should be created with the add_dependencies "
+ "command (if one does not already exist due to linking relationships).");
cm->DefineProperty
("OBJECT_OUTPUTS", cmProperty::SOURCE_FILE,