On Mon, Oct 10, 2011 at 11:17:27PM -0600, David Palmer wrote:
> I did a survey of compilers to see what works and what doesn't.
>
> In the .info file, I changed the ../configure line to
> ../configure %c "CC=llvm-gcc -m64" "CXX=llvm-g++ -m64"
> --libdir='${prefix}/%lib'
> etc.
>
> llvm-gcc PASSED
> llvm-gcc-4.2 PASSED
> clang FAILED on the same assert as the original
> gcc-4.2 PASSED
> gcc-fsf-4.6 PASSED
> (I used fink to install gcc4.6 for the last one).
>
>
> Only clang seems to fail when the compiler is given explicitly in the
> ../configure line
>
> I am not really understanding this. The unmodified version claims to be
> compiling with 'gcc', and
> % which gcc
> /usr/bin/gcc
> % ls -ls /usr/bin/gcc
> 8 lrwxr-xr-x 1 root wheel 12 Oct 7 00:36 /usr/bin/gcc -> llvm-gcc-4.2
>
> so there should be no difference between the original run (which doesn't
> work) and the llbm-gcc-4.2 (which works).
David,
Actually, I just tested upstream llvm/clang 3.0svn from llvm.org and am
seeing failures there
as well..
[tversion] GMP: header 5.0.2, library 5.0.2
[tversion] MPFR tuning parameters from src/x86_64/core2/mparam.h
PASS: tversion
PASS: tinternals
PASS: tinits
PASS: tisqrt
PASS: tsgn
PASS: tcheck
PASS: tisnan
Error: emin >= emax
FAIL: texceptions
../../tests/tset_exp.c:44: MPFR assertion failed: ret == 0 &&
(__builtin_constant_p (2) && (mpfr_ulong) (2) == 0 ? (mpfr_sgn) (x) :
mpfr_cmp_ui_2exp ((x), (2), 0)) == 0
/bin/sh: line 1: 91034 Abort trap: 6 MPFR_QUIET=1 ${dir}$tst
FAIL: tset_exp
/bin/sh: line 1: 91053 Segmentation fault: 11 MPFR_QUIET=1 ${dir}$tst
FAIL: tset
PASS: mpf_compat
Error in conversion to/from mpz
expected 17, got 0.0000000000000000e+00
FAIL: mpfr_compat
../../src/set_str_raw.c:54: MPFR assertion failed: res == 0
/bin/sh: line 1: 91105 Abort trap: 6 MPFR_QUIET=1 ${dir}$tst
FAIL: reuse
/bin/sh: line 1: 91123 Segmentation fault: 11 MPFR_QUIET=1 ${dir}$tst
FAIL: tabs
etc. So it looks like either a mpfr bug being tickled or a new flaw introduced
upstream in clang 3.0svn.
Jack
>
>
>
>
>
> In the CompileScript secant, just before the ../configure line, there is
>
> if [ "%type_raw[-64bit]" == "-64bit" ]; then
> export CC="gcc -m64"
> fi
>
> But changing those lines don't seem to have any effect on the compiler. (I
> don't know enough about .info files to know if that is the expected result)
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