glibc-2.8 [was: Re: GCC-4.3.1, Linux-220.127.116.11]
robert at linuxfromscratch.org
Fri Sep 5 04:11:52 PDT 2008
I'm trying to find the most recent toolchain possible that will have all tests
pass. I'm using Glibc-2.8, from:
I get poor results with recent HJL Binutils and gcc43. I'm also using
linux-18.104.22.168 headers, but Linux headers have never affected toolchain test
suites in my experience.
With Binutils-2.18, and gcc-4.2.5-20080827, I get perfect Binutils tests, but
get three test failures from Glibc... iconvdata/bug-iconv6.out,
iconvdata/tst-iconv7.out, and math/test-double.out.
By dropping -mtune=native, from configparms, I lose a math/test-double.out
failure from Glibc. My -mtune=native equals -mtune=prescott, according to
gcc -v dummy.c, and -mtune=prescott has always caused toolchain failures for
I retried with 'echo "CFLAGS += -march=i486 -mtune=i686" > configparms', and
got all 3 failures, listed above. So math/test-double.out probably fails
when -mtune is i686 or above (possibly i586 too).
On my host system, with gcc41, and binutils-2.17, the glibc-2.8 test suite
Have any of you had all of glibc-2.8's tests pass with gcc42?
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