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ENH: Make add_custom_command interpret relative OUTPUT locations with respect to the build tre instead of the source tree. This can greatly simplify user code since generating a file will not need to reference CMAKE_CURRENT_BINARY_DIR. The new behavior is what users expect 99% of the time.

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This commit is contained in:
Brad King
2008-01-30 11:22:10 -05:00
parent d5db5a275a
commit e9503a174e
2 changed files with 14 additions and 1 deletions
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12
Source/cmAddCustomCommandCommand.cxx
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@@ -152,7 +152,17 @@ bool cmAddCustomCommandCommand
case doing_outputs:
if (!cmSystemTools::FileIsFullPath(copy.c_str()))
{
filename = this->Makefile->GetStartDirectory();
// This is an output to be generated, so it should be
// under the build tree. CMake 2.4 placed this under the
// source tree. However the only case that this change
// will break is when someone writes
//
// add_custom_command(OUTPUT out.txt ...)
//
// and later references "${CMAKE_CURRENT_SOURCE_DIR}/out.txt".
// This is fairly obscure so we can wait for someone to
// complain.
filename = this->Makefile->GetCurrentOutputDirectory();
filename += "/";
}
filename += copy;