This was resolved upstream, so GMP will be re-enabled in Rawhide as soon
as there is new build. Don't plan it ATM, because this is not super
important.
V.
Dne 1.3.2018 v 12:13 Vít Ondruch napsal(a):
> So, I enabled this in Ruby and as it turns out, it has unexpected side
> effects in broken builds of binary rubygem- packages. This is the
> mkmf.log of one of affected packages:
>
> ~~~
>
> "pkg-config --exists libffi"
> | pkg-config --libs libffi
> => "-lffi \n"
> "gcc -o conftest -I/usr/include -I/usr/include/ruby/backward
> -I/usr/include -I. -O2 -g -pipe -Wall -Werror=format-security
> -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions
> -fstack-protector-strong -grecord-gcc-switches
> -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1
> -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic
> -fasynchronous-unwind-tables -fstack-clash-protection -mcet
> -fcf-protection conftest.c -L. -L/usr/lib64 -L. -Wl,-z,relro
> -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld
> -fstack-protector -rdynamic -Wl,-export-dynamic -m64 -lruby
> -lpthread -lgmp -ldl -lcrypt -lm -lc"
> /usr/bin/ld: cannot find -lgmp
> collect2: error: ld returned 1 exit status
> checked program was:
> /* begin */
> 1: #include "ruby.h"
> 2:
> 3: int main(int argc, char **argv)
> 4: {
> 5: return 0;
> 6: }
> /* end */
>
> ~~~
>
>
> Apparently, the "-lgmp" option is the culprit, since there is not the
> gmp-devel package installed everywhere. Until this is resolved upstream
> [1], it seems I have to revert the GMP unless I want to patch
> rbconfig.rb values.
>
>
> Vít
>
>
> [1] https://bugs.ruby-lang.org/issues/14422#note-6
>
>
> Dne 19.1.2018 v 10:49 Vít Ondruch napsal(a):
>> Hi all,
>>
>> It seems that since Ruby 2.1, Ruby can use GMP [1] to make some math
>> operation faster. Should we enable it? Any experience?
>>
>>
>> Vít
>>
>>
>>
>> [1] https://gmplib.org/
>>
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