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stdc-predef.h: prevent redefining __STDC_UTF_{16,32}__ macros

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Undefine any previous __STDC_UTF_{16,32}__ macros before defining
them to prenvent any warnings of redefining macros.

This happens as a result of some compiler versions defining the macros
themselves.
This commit is contained in:
Jules Maselbas
2024-02-03 20:04:42 -05:00
committed by Rich Felker
parent 407aea628a
commit 8b70486807
1 changed files with 3 additions and 0 deletions
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include/stdc-predef.h
+3
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@@ -7,7 +7,10 @@
#define __STDC_IEC_559__ 1
#endif
#undef __STDC_UTF_16__
#define __STDC_UTF_16__ 1
#undef __STDC_UTF_32__
#define __STDC_UTF_32__ 1
#endif