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Initial open source release of OpenCL 1.2 CTS.

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Kedar Patil
2017-05-16 19:04:36 +05:30
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test_conformance/headers/README.txt Normal file
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test_conformance/headers README
===============================
The test_headers.c test is designed to make sure that the various
cl_typen types work and conform to expectation for recent versions
of cl_platform.h. Conforming to these expectations make use of
these types practical for developers writing portable code.
The various tests ending in .h.c are there to verify that the various
OpenCL headers can compile stand alone. That is to ensure that they
may be used a la carte. This provides developers a lifeline in the case
that some unneeded part of OpenCL (e.g. cl/gl sharing) brings in a pile
of symbols (e.g. all of OpenGL) that collides with other headers needed
by the application. It is also poor form to require headers to be
included in a particular order, especially if multiple systems require
they be included in mutually incompatible order. So, here we require
that each header can be used standalone so that the order is irrelevant.
In the .h.c tests, we also check to make sure that the headers don't
cause spurious warnings. These tests are intended to be compiled using
the most stringent compiler flags available for the platform, within
reason. All warnings should be errors and extra warnings that it is
expected developers are likely to use should be turned on. The current
Makefile includes such flags for a GCC compiler. Implementors are
expected to modify these flags and make system as necessary to conform
to the local build environment.