Re: [sage-release] Re: Sage 8.2.beta5 released

[Ralf Stephan]

make ptestlong passes on OpenSuSE 42.3 with clang-4.0.1 on top of #24696
with only the usual failures in R and that one reported in #21828.

On Mon, Feb 12, 2018 at 8:06 AM Ralf Stephan  wrote:

> Finally here is the recommended set of flags for clang on Linux:
>
> export CC="clang"
> export CXX="clang++"
> export CLANG_DEFAULT_CXX_STDLIB="libc++"
>
> Thanks to François for the hint. You'll need #24696 if giac doesn't
> install, which seems to occur with clang < 5.
>
> Best,
>
> On Sun, Feb 11, 2018 at 5:53 PM Ralf Stephan  wrote:
>
>> See https://trac.sagemath.org/ticket/24701#comment:5 for the current
>> state of clang on Linux.
>>
>> On Sun, Feb 11, 2018 at 3:39 PM Ralf Stephan  wrote:
>>
>>> Another bug uncovered. With CXXFLAGS='stdlib=libc++' scipy build fails
>>> with, of all things
>>> gfortran: error: unrecognized command line option '--stdlib=libc++'
>>>
>>> Huh?
>>>
>>> On Sun, Feb 11, 2018 at 11:40 AM Simon King 
>>> wrote:
>>>
 Hi!

 On 2018-02-11, Ralf Stephan  wrote:
 > Update with clang on Linux: sagelib ignores the --stdlib in CXX
 (#24705)
 > and fpylll apparently ignores the --stdlib in CXX and if you give it
 in the
 > CXXFLAGS it uses it only for C not C++ (#24707). So the former is a
 build
 > blocker, the latter a critical because fpylll cannot be imported. I
 think
 > that's it all.

 I also get an error at build time, in ratpoints. See #24708.

 Best regards,
 Simon

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>>>

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Re: [sage-release] Re: Sage 8.2.beta5 released

[Ralf Stephan]

Finally here is the recommended set of flags for clang on Linux:

export CC="clang"
export CXX="clang++"
export CLANG_DEFAULT_CXX_STDLIB="libc++"

Thanks to François for the hint. You'll need #24696 if giac doesn't
install, which seems to occur with clang < 5.

Best,

On Sun, Feb 11, 2018 at 5:53 PM Ralf Stephan  wrote:

> See https://trac.sagemath.org/ticket/24701#comment:5 for the current
> state of clang on Linux.
>
> On Sun, Feb 11, 2018 at 3:39 PM Ralf Stephan  wrote:
>
>> Another bug uncovered. With CXXFLAGS='stdlib=libc++' scipy build fails
>> with, of all things
>> gfortran: error: unrecognized command line option '--stdlib=libc++'
>>
>> Huh?
>>
>> On Sun, Feb 11, 2018 at 11:40 AM Simon King 
>> wrote:
>>
>>> Hi!
>>>
>>> On 2018-02-11, Ralf Stephan  wrote:
>>> > Update with clang on Linux: sagelib ignores the --stdlib in CXX
>>> (#24705)
>>> > and fpylll apparently ignores the --stdlib in CXX and if you give it
>>> in the
>>> > CXXFLAGS it uses it only for C not C++ (#24707). So the former is a
>>> build
>>> > blocker, the latter a critical because fpylll cannot be imported. I
>>> think
>>> > that's it all.
>>>
>>> I also get an error at build time, in ratpoints. See #24708.
>>>
>>> Best regards,
>>> Simon
>>>
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>>>
>>

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Re: [sage-release] Re: Sage 8.2.beta5 released

[Ralf Stephan]

See https://trac.sagemath.org/ticket/24701#comment:5 for the current state
of clang on Linux.

On Sun, Feb 11, 2018 at 3:39 PM Ralf Stephan  wrote:

> Another bug uncovered. With CXXFLAGS='stdlib=libc++' scipy build fails
> with, of all things
> gfortran: error: unrecognized command line option '--stdlib=libc++'
>
> Huh?
>
> On Sun, Feb 11, 2018 at 11:40 AM Simon King 
> wrote:
>
>> Hi!
>>
>> On 2018-02-11, Ralf Stephan  wrote:
>> > Update with clang on Linux: sagelib ignores the --stdlib in CXX (#24705)
>> > and fpylll apparently ignores the --stdlib in CXX and if you give it in
>> the
>> > CXXFLAGS it uses it only for C not C++ (#24707). So the former is a
>> build
>> > blocker, the latter a critical because fpylll cannot be imported. I
>> think
>> > that's it all.
>>
>> I also get an error at build time, in ratpoints. See #24708.
>>
>> Best regards,
>> Simon
>>
>> --
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>>
>

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Re: [sage-release] Re: Sage 8.2.beta5 released

[Ralf Stephan]

Another bug uncovered. With CXXFLAGS='stdlib=libc++' scipy build fails
with, of all things
gfortran: error: unrecognized command line option '--stdlib=libc++'

Huh?

On Sun, Feb 11, 2018 at 11:40 AM Simon King  wrote:

> Hi!
>
> On 2018-02-11, Ralf Stephan  wrote:
> > Update with clang on Linux: sagelib ignores the --stdlib in CXX (#24705)
> > and fpylll apparently ignores the --stdlib in CXX and if you give it in
> the
> > CXXFLAGS it uses it only for C not C++ (#24707). So the former is a build
> > blocker, the latter a critical because fpylll cannot be imported. I think
> > that's it all.
>
> I also get an error at build time, in ratpoints. See #24708.
>
> Best regards,
> Simon
>
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[sage-release] Re: Sage 8.2.beta5 released

[Simon King]

Hi!

On 2018-02-11, Ralf Stephan  wrote:
> Update with clang on Linux: sagelib ignores the --stdlib in CXX (#24705)
> and fpylll apparently ignores the --stdlib in CXX and if you give it in the
> CXXFLAGS it uses it only for C not C++ (#24707). So the former is a build
> blocker, the latter a critical because fpylll cannot be imported. I think
> that's it all.

I also get an error at build time, in ratpoints. See #24708.

Best regards,
Simon

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Re: [sage-release] Sage 8.2.beta5 released

[Ralf Stephan]

Update with clang on Linux: sagelib ignores the --stdlib in CXX (#24705)
and fpylll apparently ignores the --stdlib in CXX and if you give it in the
CXXFLAGS it uses it only for C not C++ (#24707). So the former is a build
blocker, the latter a critical because fpylll cannot be imported. I think
that's it all.

On Sun, Feb 11, 2018 at 8:17 AM François Bissey 
wrote:

>
>
> > On 11/02/2018, at 19:57, François Bissey  wrote:
> >
> >
> >
> >> On 10/02/2018, at 12:07, Justin C. Walker  wrote:
> >>
> >>>
> >>> On Feb 9, 2018, at 00:25 , Volker Braun  wrote:
> >>>
> >>> As always, you can get the latest beta version from the "develop" git
> branch. Alternatively, the self-contained source tarball is at
> http://www.sagemath.org/download-latest.html
> >>
> >> Yay for using clang!
> >>
> >> Built from a fresh clone/checkout of the develop tree.
> >>
> >> The build (macOS 10.11.6, MBP Quad-core Core i7) blows chunks on sqlite:
> >>
> >> ==
> >> libtool: compile:  gcc -DPACKAGE_NAME=\"sqlite\"
> -DPACKAGE_TARNAME=\"sqlite\" -DPACKAGE_VERSION=\"3.17.0\"
> "-DPACKAGE_STRING=\"sqlite 3.17.0\
> >> \"" -DPACKAGE_BUGREPORT=\"http://www.sqlite.org\; -DPACKAGE_URL=\"\"
> -DPACKAGE=\"sqlite\" -DVERSION=\"3.17.0\" -DSTDC_HEADERS=1 -DHAVE_SYS_T\
> >> YPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1
> -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 \
> >> -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\"
> -DHAVE_FDATASYNC=1 -DHAVE_USLEEP=1 -DHAVE_LOCALTIME_R=1 -DHAVE_GMTIME_R=1
> -DHAVE_D\
> >> ECL_STRERROR_R=1 -DHAVE_STRERROR_R=1 -DHAVE_EDITLINE_READLINE_H=1
> -DHAVE_EDITLINE=1 -I. -I/Users/Sage/sage-8.2.beta5/local/include -D_REENTR\
> >> ANT=1 -DSQLITE_THREADSAFE=1 -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_RTREE
> -g -O2 -MT sqlite3.lo -MD -MP -MF .deps/sqlite3.Tpo -c sqlite3.c  -fn\
> >> o-common -DPIC -o .libs/sqlite3.o
> >> sqlite3.c:28836:10: error: use of unknown builtin
> '__builtin_add_overflow' [-Wimplicit-function-declaration]
> >> return __builtin_add_overflow(*pA, iB, pA);
> >>^
> >> ==
> >>
> >> sqlite log attached.
> >
> >
> > Ok figured how that one occurred. Xcode version clang differently from
> linux.
> > sqlite macro evaluate the version with
> > #if defined(__clang__) && !defined(_WIN32) &&
> !defined(SQLITE_DISABLE_INTRINSIC)
> > # define CLANG_VERSION \
> >
> (__clang_major__*100+__clang_minor__*1000+__clang_patchlevel__)
> >
> > with clang 3.8 on linux __clang_major__ is 3 but in Xcode 3.8 it is 8.
> > You can imagine that a test designed to figure that you use clang 4 on
> linux
> > will pass with that version of Xcode.
> > Anyway it is all the wrong way to figure out if you should use the
> builtin.
> > Using
> >
> https://www.gnu.org/software/autoconf-archive/ax_gcc_builtin.html#ax_gcc_builtin
> > is a way better idea but that means touching quite a bit of sqlite3.c
>
> The latest version of sqlite doesn’t try to identify with version of clang
> support
> __builtin_* anymore. I guess they figured out that it was broken.
> I also noticed they figured out they needed to do something about icc.
> They still do it wrong in my opinion, but upgrading should fix the problem.
>
> François
>
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