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-rw-r--r--Source/cmUnsetCommand.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/Source/cmUnsetCommand.h b/Source/cmUnsetCommand.h
index 9cf95d9..a477f19 100644
--- a/Source/cmUnsetCommand.h
+++ b/Source/cmUnsetCommand.h
@@ -61,10 +61,13 @@ public:
virtual const char* GetFullDocumentation() const
{
return
- " unset(<variable> [CACHE])\n"
+ " unset(<variable> [CACHE | PARENT_SCOPE])\n"
"Removes the specified variable causing it to become undefined. "
"If CACHE is present then the variable is removed from the cache "
"instead of the current scope.\n"
+ "If PARENT_SCOPE is present then the variable is removed from the "
+ "scope above the current scope. See the same option in the set() "
+ "command for further details.\n"
"<variable> can be an environment variable such as:\n"
" unset(ENV{LD_LIBRARY_PATH})\n"
"in which case the variable will be removed from the current "