Re: issues on gcc202

[Torbjörn Granlund]

paul zimmermann  writes:

  However I had to define INTERPRETER= in test-driver.
  
That requirement should be gone now.
  

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Re: issues on gcc202

[Torbjörn Granlund]

paul zimmermann  writes:

  However I had to define INTERPRETER= in test-driver.
  
Yep, that's an undocumented feature of the snapshots.  :-)

We use that for our nightly builds for running valgrind and various
emulators.

  Also the "Testsuite summary" is still not very informative:
  
The test-driver stuff that came with an autotools update is not
too happpy with our multi-ddirectory tests layout.

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Re: issues on gcc202

[Torbjörn Granlund]

  I find several issues on gcc202.fsffrance.org:
  
  1) gmp-6.1.2 configured with --disable-shared and gcc 7.2.0: libgmp.a
 contains an undefined symbol __gmpn_addlsh1_n_ip1:
 zimmerma@gcc202:/tmp/gmp-6.1.2$ cat e.c
 #include "gmp.h"
 int main()
 {
   mpz_t x;
   mpz_init_set_str (x, "1234567890", 10);
   mpz_sqrt (x, x);
 }
 zimmerma@gcc202:/tmp/gmp-6.1.2$ gcc -I/tmp/include e.c /tmp/lib/libgmp.a
 /tmp/lib/libgmp.a(lt86-sqrtrem.o): In function `mpn_dc_sqrtrem':
 sqrtrem.c:(.text+0x4b8): undefined reference to `__gmpn_addlsh1_n_ip1'
 /tmp/lib/libgmp.a(lt86-sqrtrem.o): In function `mpn_dc_sqrt':
 sqrtrem.c:(.text+0xa1c): undefined reference to `__gmpn_addlsh1_n_ip1'
 collect2: error: ld returned 1 exit status
  
That was fixed in the head some weeks ago.  This was a real GMP bug.

https://gmplib.org/repo/gmp/rev/2e244a86b5d2

  2) still with the same configuration, t-constants fails:
 zimmerma@gcc202:/tmp/gmp-6.1.2$ tests/t-constants 
 PP_INVERTED == 21cfe6cfc938b36b, but pp_inverted_calc == 1dde20a605db167d
 ...

This is not yet isolated.  It looks like a compiler or perhaps more
likely a linker bug.  Last night I reverted another change which
benefited gcc202, so now there will be more errors.

I am not actively working on this issue, but I will probably isolate it
at some point.

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