1 Here, glslang proper means core GLSL parsing, HLSL parsing, and SPIR-V code
2 generation. Glslang proper requires use of a number of licenses, one that covers
3 preprocessing and others that covers non-preprocessing.
5 Bison was removed long ago. You can build glslang from the source grammar,
6 using tools of your choice, without using bison or any bison files.
8 Other parts, outside of glslang proper, include:
10 - gl_types.h, only needed for OpenGL-like reflection, and can be left out of
11 a parse and codegen project. See it for its license.
13 - update_glslang_sources.py, which is not part of the project proper and does
16 - the SPIR-V "remapper", which is optional, but has the same license as
19 - Google tests and SPIR-V tools, and anything in the external subdirectory
20 are external and optional; see them for their respective licenses.
22 --------------------------------------------------------------------------------
24 The core of glslang-proper, minus the preprocessor is licenced as follows:
26 --------------------------------------------------------------------------------
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303 GPL 3 with special bison exception
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306 Bison implementation for Yacc-like parsers in C
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336 --------------------------------------------------------------------------------
337 ================================================================================
338 --------------------------------------------------------------------------------
340 The preprocessor has the core licenses stated above, plus an additional licence:
342 /****************************************************************************\
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