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@ -997,3 +997,58 @@ arch-specific bugs: |
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- wrong SIG_ATOMIC_MIN/MAX macros on x86_64 |
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- erfcl was missing on archs where long double is same as double |
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- broken dynamic-model TLS in static-linked arm/mips/powerpc programs |
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0.9.13 release notes |
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new features: |
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- iconv support for EUC-KR and Big5 (including HKSCS) encodings |
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- field widths (POSIX 2008 feature) in strftime |
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- recurive rpath and $ORIGIN support in dynamic linker |
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- cpu affinity interfaces |
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- support for armhf (hardfloat) floating point environment (fenv) |
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- support for SSE fenv on i386 (for apps using -mfpmath=sse -msse2) |
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- strftime %s format (seconds since the epoch, future POSIX requirement) |
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- configure script now saves its command line as a comment in config.mak |
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- legacy functions valloc and euidaccess |
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performance: |
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- optimized asm memcpy for arm |
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- optimized asm memset for i386 and x86_64 |
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- optimized C versions of memcpy and memset for all archs |
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- eliminated major spurious syscalls from posix_spawn |
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- some math asm for armhf (hardfloat) |
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workarounds for: |
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- qemu-user's rt_sigaction syscall does not allow old to alias new |
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- qemu-user's madvise always succeeds (broke pthread_getattr_np) |
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- passing PT_INTERP to dlopen attempted to double-load libc |
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- gcc 4.8.x generating self-referential (infinite recursion) memcpy/memset |
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- linux's lack of support for fchdir, fchmod, fchown, fstat on O_PATH fds |
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bugs fixed: |
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- failure to honor flags for fchmodat and faccessat (linux syscall api flaws) |
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- SIGEV_THREAD timer id corruption and race condition issues |
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- timer thread TLS incorrectly keeping values from previous expiry run |
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- ecvt/fcvt decimal position off-by-one |
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- in symbol-versioned libs, symbol resolved to oldest instead of newest |
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- posix_spawn not correctly reporting errno from exec failure |
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- "make install" was not atomic (overwrote files rather than replacing) |
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- integer overflows in strftime |
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- unset/empty TZ variable was mishandled |
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- strftime could crash if the struct tm did not have valid tm_zone field |
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- failure of fenv functions to handle invalid arguments (required by ISO C) |
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- failure of some math functions (C and i386 asm) to raise underflow flag |
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- broken dn_expand function (previously not used internally) |
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- race conditions with signals during fork |
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- incorrect access check in mktemp (obsolete function) |
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- unnecessary arbitrary limits on size of program headers in dynamic loader |
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- text formatting bugs in output of err.h functions |
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arch-specific bugs: |
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- fesetenv(FE_DFL_ENV) crashed on i386 |
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- breakage of arm crt code when libc is compiled as thumb |
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- arm/armhf (hardfloat) misidentified by configure |
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- ambiguity of wait (exit status) macros on mips with signal number 127 |
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- wrong value of _NSIG and SIGRTMAX on mips |
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Rich Felker
13 years ago