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authorDavid Cole <david.cole@kitware.com>2012-08-20 19:39:45 (GMT)
committerCMake Topic Stage <kwrobot@kitware.com>2012-08-20 19:39:45 (GMT)
commit1b758bcf8e54dba5236f3701dc0f6c11dc5fb770 (patch)
tree3ea346f9bb151b3f114ab6b783d57227df277c77
parent9f555e805dd025f6428e5dff7f4a928c5dc5fbbb (diff)
parent0eaaa863ed38ce95727e9743ca63a86ca2a7638e (diff)
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Merge topic 'clarify-if-is_newer_than-docs'
0eaaa86 CMake: Clarify the documentation for if(f1 IS_NEWER_THAN f2)
-rw-r--r--Source/cmIfCommand.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/Source/cmIfCommand.h b/Source/cmIfCommand.h
index 4893a17..0a1fe06 100644
--- a/Source/cmIfCommand.h
+++ b/Source/cmIfCommand.h
@@ -149,7 +149,12 @@ public:
" if(file1 IS_NEWER_THAN file2)\n"
"True if file1 is newer than file2 or if one of the two files "
"doesn't exist. "
- "Behavior is well-defined only for full paths.\n"
+ "Behavior is well-defined only for full paths. "
+ "If the file time stamps are exactly the same, an "
+ "IS_NEWER_THAN comparison returns true, so that any dependent "
+ "build operations will occur in the event of a tie. "
+ "This includes the case of passing the same file name for both "
+ "file1 and file2.\n"
" if(IS_DIRECTORY directory-name)\n"
"True if the given name is a directory. "
"Behavior is well-defined only for full paths.\n"