Patch for supporting 'use_system_lib' on Linux
Michael van der Westhuizen
r1mikey at gmail.com
Wed Feb 6 03:36:21 PST 2013
As per Daniel's commit message in libcxx r174404, here's Linux support for the use_system_lib parameter.
To use the freshly built libcxx without installing it in CMake you'll need to pass '-DLLVM_LIT_ARGS=-sv --param use_system_lib=0' to your CMake call (as this defaults to True to match the Darwin behaviour).
This is a deviation from previous behaviour (which was to unconditionally use the freshly built libcxx), so perhaps the logic under Linux needs to be reversed?
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