On Fri, Jun 21, 2013 at 2:25 AM, ZyX <[email protected]> wrote:
> On Wednesday, June 19, 2013 8:19:35 PM UTC+4, Yukihiro Nakadaira wrote:
> > On Ubuntu 13.04, adding -fPIC to CFLAGS make it work.
>
> From the `man gcc` it seems that `-fPIC` or at least `-fpic` is a must
> when compiling shared libraries. Should not the issue be then directed to
> Ubuntu developers?
>
I think so too.
Maybe python requires explicit -fPIC flag for configure option.
On Ubuntu 13.04
$ python -c 'import distutils.sysconfig;
print(distutils.sysconfig.get_config_var("CONFIG_ARGS"))'
'--enable-shared' '--prefix=/usr' '--enable-ipv6' '--enable-unicode=ucs4'
'--with-dbmliborder=bdb:gdbm' '--with-system-expat' '--with-system-ffi'
'--with-fpectl' 'CC=x86_64-linux-gnu-gcc' 'CFLAGS=-D_FORTIFY_SOURCE=2 -g
-fstack-protector --param=ssp-buffer-size=4 -Wformat
-Werror=format-security ' 'LDFLAGS=-Wl,-Bsymbolic-functions -Wl,-z,relro'
On Fedora 18
$ python -c 'import distutils.sysconfig;
print(distutils.sysconfig.get_config_var("CONFIG_ARGS"))'
'--build=x86_64-redhat-linux-gnu' '--host=x86_64-redhat-linux-gnu'
'--program-prefix=' '--disable-dependency-tracking' '--prefix=/usr'
'--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin'
'--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include'
'--libdir=/usr/lib64' '--libexecdir=/usr/libexec' '--localstatedir=/var'
'--sharedstatedir=/var/lib' '--mandir=/usr/share/man'
'--infodir=/usr/share/info' '--enable-ipv6' '--enable-shared'
'--enable-unicode=ucs4' '--with-dbmliborder=gdbm:ndbm:bdb'
'--with-system-expat' '--with-system-ffi' '--with-dtrace'
'--with-tapset-install-dir=/usr/share/systemtap/tapset' '--with-valgrind'
'build_alias=x86_64-redhat-linux-gnu' 'host_alias=x86_64-redhat-linux-gnu'
'CC=gcc' 'CFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
-fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic
-D_GNU_SOURCE -fPIC -fwrapv ' 'LDFLAGS=-Wl,-z,relro '
'CPPFLAGS=-I/usr/lib64/libffi-3.0.10/include '
--
Yukihiro Nakadaira - [email protected]
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