[Cmake-commits] CMake branch, next, updated. v2.8.8-3442-gba91a13

[Brad King]

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       via  674c56c3fcf63732672b778781dc57f7bc3c8d02 (commit)
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- Log -----------------------------------------------------------------
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=ba91a131ae1ab771f66e8d314eefad0b49ee27b1
commit ba91a131ae1ab771f66e8d314eefad0b49ee27b1
Merge: 18b72d7 674c56c
Author:     Brad King <brad.king at kitware.com>
AuthorDate: Wed Jul 11 10:44:27 2012 -0400
Commit:     CMake Topic Stage <kwrobot at kitware.com>
CommitDate: Wed Jul 11 10:44:27 2012 -0400

    Merge topic 'doc-if-inside-macro' into next
    
    674c56c if: Document that macro arguments are not variables (#13393)


http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=674c56c3fcf63732672b778781dc57f7bc3c8d02
commit 674c56c3fcf63732672b778781dc57f7bc3c8d02
Author:     Brad King <brad.king at kitware.com>
AuthorDate: Wed Jul 11 10:40:04 2012 -0400
Commit:     Brad King <brad.king at kitware.com>
CommitDate: Wed Jul 11 10:40:04 2012 -0400

    if: Document that macro arguments are not variables (#13393)
    
    A common mistake is to write
    
     macro(foo arg)
       if(arg)
       endif()
     endmacro()
    
    and expect if() to treat "arg" as a variable.  The documentation of the
    macro() command already states that arguments are not variables, but
    users writing the if() command may not look at the macro() docs.
    Add a note to the if() documentation.

diff --git a/Source/cmIfCommand.h b/Source/cmIfCommand.h
index 83ea8a4..94e4d99 100644
--- a/Source/cmIfCommand.h
+++ b/Source/cmIfCommand.h
@@ -123,6 +123,7 @@ public:
       "  if(<variable>)\n"
       "True if the variable is defined to a value that is not a false "
       "constant.  False otherwise.  "
+      "(Note macro arguments are not variables.)"
       "\n"
       "  if(NOT <expression>)\n"
       "True if the expression is not true."

-----------------------------------------------------------------------

Summary of changes:
 Source/cmIfCommand.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)


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