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2016-12-15remove legacy i386 fallback stdarg implementation and frameworkRich Felker1-4/+0
this has been slated for removal for a long time. there is fundamentally no way to implement stdarg without compiler assistance; any attempt to do so has serious undefined behavior; its working depends not just (as a common misconception goes) on ABI, but also on assumptions about compiler code generation internal to a translation unit, which is not subject to external ABI constraints.
2011-04-27use compiler builtins for variadic macros when availableRich Felker1-0/+7
this slightly cuts down on the degree musl "fights with" gcc, but more importantly, it fixes a critical bug when gcc inlines a variadic function and optimizes out the variadic arguments due to noticing that they were "not used" (by __builtin_va_arg). we leave the old code in place if __GNUC__ >= 3 is false; it seems like it might be necessary at least for tinycc support and perhaps if anyone ever gets around to fixing gcc 2.95.3 enough to make it work..
2011-02-15split off arch-specific stdarg.h stuffRich Felker1-15/+1
2011-02-12initial check-in, version 0.5.0v0.5.0Rich Felker1-0/+32