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cdefs: Remove __func__ stub.

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Redo 17a238a15f. Remove the __func__ crutch for gcc 2.95 and earlier.
We don't need it today to build the tree (since gcc < 12 is unlikely to
work). And it's not used in any system header that's part of the
standard interfaces today (so we don't need it for compatibility). And
we have other issues that make gcc < 4.2 unlikely to work today with
system headers.

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This commit is contained in:
Warner Losh 2023-11-27 11:48:39 -07:00
parent 8b923102f9
commit a5c2781934
1 changed files with 0 additions and 5 deletions
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5
sys/sys/cdefs.h
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@ -343,11 +343,6 @@
#define __unreachable() ((void)0)
#endif
/* XXX: should use `#if __STDC_VERSION__ < 199901'. */
#if !__GNUC_PREREQ__(2, 7)
#define __func__ NULL
#endif
#if (defined(__GNUC__) && __GNUC__ >= 2) && !defined(__STRICT_ANSI__) || __STDC_VERSION__ >= 199901
#define __LONG_LONG_SUPPORTED
#endif