cleanup: Simplify some clauses involving old compilers #2016
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Our minimum gcc 9 and clang 5 lets us simplify a few preprocessor conditionals. Also give more clear cmake messages when too-old compilers are encountered, for gcc, clang, and Apple clang. Define OSL_GCC_ONLY_PRAGMA, which is handy in the future. Signed-off-by: Larry Gritz <[email protected]>
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No comments for over a week? If there are no objections, I will merge in the relatively near future. |
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Our minimum gcc 9 and clang 5 lets us simplify a few preprocessor conditionals.
Also give more clear cmake messages when too-old compilers are encountered, for gcc, clang, and Apple clang.