#6758: visibility.c in libgcrypt attempts to return value from void function.
--------------------------+-------------------------------------------------
Reporter: drkirkby | Owner: somebody
Type: defect | Status: new
Priority: major | Milestone: sage-4.1.2
Component: cryptography | Keywords:
Reviewer: | Author:
Merged: |
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I tried to use the Sun compiler to build Sage. Since it's more fussy that
gcc, it is showing as an '''error'''
{{{
Making all in src
make[4]: Entering directory
`/export/home/drkirkby/sage/suncc/sage-4.1.1/spkg/build/libgcrypt-1.4.3.p1/src/src'
source='visibility.c' object='libgcrypt_la-visibility.lo' libtool=yes \
DEPDIR=.deps depmode=none /bin/bash ../depcomp \
/bin/bash ../libtool --tag=CC --mode=compile /opt/sunstudio12.1/bin/cc
-DHAVE_CONFIG_H -I. -I..
-I/export/home/drkirkby/sage/suncc/sage-4.1.1/local/include
-I/export/home/drkirkby/sage/suncc/sage-4.1.1/local/include -g -c -o
libgcrypt_la-visibility.lo `test -f 'visibility.c' || echo
'./'`visibility.c
mkdir .libs
/opt/sunstudio12.1/bin/cc -DHAVE_CONFIG_H -I. -I..
-I/export/home/drkirkby/sage/suncc/sage-4.1.1/local/include
-I/export/home/drkirkby/sage/suncc/sage-4.1.1/local/include -g -c
visibility.c -KPIC -DPIC -o .libs/libgcrypt_la-visibility.o
"visibility.c", line 702: void function cannot return value
"visibility.c", line 851: void function cannot return value
cc: acomp failed for visibility.c
}}}
The dodgy bits of code are:
{{{
void
gcry_md_hash_buffer (int algo, void *digest,
const void *buffer, size_t length)
{
return _gcry_md_hash_buffer (algo, digest, buffer, length);
}
}}}
and
{{{
void
gcry_ac_io_init_va (gcry_ac_io_t *ac_io, gcry_ac_io_mode_t mode,
gcry_ac_io_type_t type, va_list ap)
{
return _gcry_ac_io_init_va (ac_io, mode, type, ap);
}
}}}
The Sun compiler will not accept this, and so exits, aborting the build of
Sage.
Note there are license issues with libgcrypt too - it is GPL 3. See #6757
Dave
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6758>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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