Re: [zeromq-dev] Problems building zmq

[Bill Engelke]

Thanks Arnaud.
Actually, I had to download & build the package from source using the
makefile, (cmake ../ , make,  sudo make install)
I have run into this before (e.g., trying to install GNURadio). Sometimes
Ubuntu isn't happy to use libraries built elsewhere.  Then finally, to clear
up the references, the command was:

gcc zmqserver.c -o zmqserver -lczmq -L. -lzmq

-regards- Bill

-Original Message-
From: zeromq-dev  On Behalf Of Arnaud
Loonstra
Sent: Wednesday, November 20, 2019 10:55 AM
To: zeromq-dev@lists.zeromq.org
Subject: Re: [zeromq-dev] Problems building zmq

If I issue

pkg-config --libs libczmq

I get

-L/usr/local/lib -lczmq

So I guess you should do

gcc zmqserver.c -o zmqserver -lczmq -L.

instead of libcmzq. This is on Debian but I guess Ubuntu is the same.

Rg,

Arnaud


On 20-11-2019 17:23, Bill Engelke wrote:
> Hello all:
> 
> I would like to work with zmq in C, and I have hit problems trying to 
> compile and link the server/client example here 
>  and trying to build any 
> of the zguide examples here 
> .
> 
> Platform: Ubuntu (tried all of this using first the ARM libraries on 
> an Odroid, then the x86_64 libraries on a PC running Ubuntu); same 
> results
> 
> I used sudo-apt-get install libczmq-dev   (this is the only package I 
> can find available for Ubuntu)
> 
> sudo ldconfig
> 
> I have verified that the shared library is present in 
> /usr/lib/x86_64-linux-gnu/ (libczmq, that is libczmq.so)
> 
> When I use this:
> 
> gcc zmqserver.c -o zmqserver -llibczmq -L.
> 
> I get:
> 
> /usr/bin/ld: cannot find -llibczmq
> 
> collect2: error: ld returned 1 exit status
> 
> I have tried referencing the library directly:
> 
> /usr/bin/ld: cannot find -l:/usr/lib/x86_64-linux-gnu/libczmq
> 
> collect2: error: ld returned 1 exit status
> 
> I have tried every possible combination of the order of the link 
> references I can come up with, all with the same result.
> 
> Running using the verbose flag, we get:
> 
> gcc zmqserver.c -o zmqserver -llibczmq -L. -v
> 
> Using built-in specs.
> 
> COLLECT_GCC=gcc
> 
> COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
> 
> OFFLOAD_TARGET_NAMES=nvptx-none
> 
> OFFLOAD_TARGET_DEFAULT=1
> 
> Target: x86_64-linux-gnu
> 
> Configured with: ../src/configure -v --with-pkgversion='Ubuntu 
> 7.4.0-1ubuntu1~18.04.1'
> --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs
> --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++
> --prefix=/usr --with-gcc-major-version-only --program-suffix=-7
> --program-prefix=x86_64-linux-gnu- --enable-shared 
> --enable-linker-build-id --libexecdir=/usr/lib 
> --without-included-gettext --enable-threads=posix --libdir=/usr/lib 
> --enable-nls --with-sysroot=/ --enable-clocale=gnu 
> --enable-libstdcxx-debug --enable-libstdcxx-time=yes 
> --with-default-libstdcxx-abi=new --enable-gnu-unique-object 
> --disable-vtable-verify --enable-libmpx --enable-plugin 
> --enable-default-pie --with-system-zlib --with-target-system-zlib 
> --enable-objc-gc=auto --enable-multiarch --disable-werror
> --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 
> --enable-multilib --with-tune=generic 
> --enable-offload-targets=nvptx-none --without-cuda-driver 
> --enable-checking=release --build=x86_64-linux-gnu 
> --host=x86_64-linux-gnu --target=x86_64-linux-gnu
> 
> Thread model: posix
> 
> gcc version 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1)
> 
> COLLECT_GCC_OPTIONS='-o' 'zmqserver' '-L.' '-v' '-mtune=generic' 
> '-march=x86-64'
> 
> /usr/lib/gcc/x86_64-linux-gnu/7/cc1 -quiet -v -imultiarch 
> x86_64-linux-gnu zmqserver.c -quiet -dumpbase zmqserver.c 
> -mtune=generic
> -march=x86-64 -auxbase zmqserver -version -fstack-protector-strong 
> -Wformat -Wformat-security -o /tmp/cc2R1v53.s
> 
> GNU C11 (Ubuntu 7.4.0-1ubuntu1~18.04.1) version 7.4.0 
> (x86_64-linux-gnu)
> 
>      compiled by GNU C version 7.4.0, GMP version 6.1.2, 
> MPFR version 4.0.1, MPC version 1.1.0, isl version isl-0.19-GMP
> 
> GGC heuristics: --param ggc-min-expand=100 --param 
> ggc-min-heapsize=131072
> 
> ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"
> 
> ignoring nonexistent directory
> "/usr/lib/gcc/x86_64-linux-gnu/7/../../../../x86_64-linux-gnu/include"
> 
> #include "..." search starts here:
> 
> #include <...> search starts here:
> 
> /usr/lib/gcc/x86_64-linux-gnu/7/include
> 
> /usr/local/include
> 
> /usr/lib/gcc/x86_64-linux-gnu/7/include-fixed
> 
> /usr/include/x86_64-linux-gnu
> 
> /usr/include
> 
> End of search list.
> 
> GNU C11 (Ubuntu 7.4.0-1ubuntu1~18.04.1) version 7.4.0 
> (x86_64-linux-gnu)
> 
>      compiled by GNU C version 7.4.0, GMP version 6.1.2, 
> MPFR version 4.0.1, MPC version 1.1.0, isl version isl-0.19-GMP
> 
> GGC heuristics: --param ggc-min-expand=100 --param 
> ggc-min-heapsize=131072
> 
> Compiler executable checksum: 

Re: [zeromq-dev] Problems building zmq

[Luca Boccassi]

gcc zmqserver.c -o zmqserver `pkg-config --libs --cflags libczmq`

On Wed, 2019-11-20 at 10:23 -0600, Bill Engelke wrote:
> Hello all:
>  
> I would like to work with zmq in C, and I have hit problems trying to
> compile and link the server/client example here and trying to build
> any of the zguide examples here. 
>  
> Platform: Ubuntu (tried all of this using first the ARM libraries on
> an Odroid, then the x86_64 libraries on a PC running Ubuntu); same
> results
>  
> I used sudo-apt-get install libczmq-dev   (this is the only package I
> can find available for Ubuntu)
> sudo ldconfig
>  
> I have verified that the shared library is present in
> /usr/lib/x86_64-linux-gnu/ (libczmq, that is libczmq.so)
>  
> When I use this:
>  
> gcc zmqserver.c -o zmqserver -llibczmq -L.
>  
> I get:
>  
> /usr/bin/ld: cannot find -llibczmq
> collect2: error: ld returned 1 exit status
>  
> I have tried referencing the library directly:
>  
> /usr/bin/ld: cannot find -l:/usr/lib/x86_64-linux-gnu/libczmq
> collect2: error: ld returned 1 exit status
>  
> I have tried every possible combination of the order of the link
> references I can come up with, all with the same result.
>  
> Running using the verbose flag, we get:
>  
> gcc zmqserver.c -o zmqserver -llibczmq -L. -v
> Using built-in specs.
> COLLECT_GCC=gcc
> COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
> OFFLOAD_TARGET_NAMES=nvptx-none
> OFFLOAD_TARGET_DEFAULT=1
> Target: x86_64-linux-gnu
> Configured with: ../src/configure -v --with-pkgversion='Ubuntu 7.4.0-
> 1ubuntu1~18.04.1' --with-bugurl=file:///usr/share/doc/gcc-
> 7/README.Bugs --enable-
> languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --
> with-gcc-major-version-only --program-suffix=-7 --program-
> prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --
> libexecdir=/usr/lib --without-included-gettext --enable-threads=posix 
> --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
> --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-
> libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify
> --enable-libmpx --enable-plugin --enable-default-pie --with-system-
> zlib --with-target-system-zlib --enable-objc-gc=auto --enable-
> multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-
> multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --
> enable-offload-targets=nvptx-none --without-cuda-driver --enable-
> checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --
> target=x86_64-linux-gnu
> Thread model: posix
> gcc version 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1) 
> COLLECT_GCC_OPTIONS='-o' 'zmqserver' '-L.' '-v' '-mtune=generic' '-
> march=x86-64'
> /usr/lib/gcc/x86_64-linux-gnu/7/cc1 -quiet -v -imultiarch x86_64-
> linux-gnu zmqserver.c -quiet -dumpbase zmqserver.c -mtune=generic
> -march=x86-64 -auxbase zmqserver -version -fstack-protector-strong
> -Wformat -Wformat-security -o /tmp/cc2R1v53.s
> GNU C11 (Ubuntu 7.4.0-1ubuntu1~18.04.1) version 7.4.0 (x86_64-linux-
> gnu)
> compiled by GNU C version 7.4.0, GMP version 6.1.2,
> MPFR version 4.0.1, MPC version 1.1.0, isl version isl-0.19-GMP
> GGC heuristics: --param ggc-min-expand=100 --param ggc-min-
> heapsize=131072
> ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"
> ignoring nonexistent directory "/usr/lib/gcc/x86_64-linux-
> gnu/7/../../../../x86_64-linux-gnu/include"
> #include "..." search starts here:
> #include <...> search starts here:
> /usr/lib/gcc/x86_64-linux-gnu/7/include
> /usr/local/include
> /usr/lib/gcc/x86_64-linux-gnu/7/include-fixed
> /usr/include/x86_64-linux-gnu
> /usr/include
> End of search list.
> GNU C11 (Ubuntu 7.4.0-1ubuntu1~18.04.1) version 7.4.0 (x86_64-linux-
> gnu)
> compiled by GNU C version 7.4.0, GMP version 6.1.2,
> MPFR version 4.0.1, MPC version 1.1.0, isl version isl-0.19-GMP
>  
> GGC heuristics: --param ggc-min-expand=100 --param ggc-min-
> heapsize=131072
> Compiler executable checksum: fa57db1fe2d756b22d454aa8428fd3bd
> COLLECT_GCC_OPTIONS='-o' 'zmqserver' '-L.' '-v' '-mtune=generic' '-
> march=x86-64'
> as -v --64 -o /tmp/ccKlQGoW.o /tmp/cc2R1v53.s
> GNU assembler version 2.30 (x86_64-linux-gnu) using BFD version (GNU
> Binutils for Ubuntu) 2.30
> COMPILER_PATH=/usr/lib/gcc/x86_64-linux-gnu/7/:/usr/lib/gcc/x86_64-
> linux-gnu/7/:/usr/lib/gcc/x86_64-linux-gnu/:/usr/lib/gcc/x86_64-
> linux-gnu/7/:/usr/lib/gcc/x86_64-linux-gnu/
> LIBRARY_PATH=/usr/lib/gcc/x86_64-linux-gnu/7/:/usr/lib/gcc/x86_64-
> linux-gnu/7/../../../x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-
> gnu/7/../../../../lib/:/lib/x86_64-linux-
> gnu/:/lib/../lib/:/usr/lib/x86_64-linux-
> gnu/:/usr/lib/../lib/:/usr/lib/gcc/x86_64-linux-
> gnu/7/../../../:/lib/:/usr/lib/
> COLLECT_GCC_OPTIONS='-o' 'zmqserver' '-L.' '-v' '-mtune=generic' '-
> march=x86-64'
> /usr/lib/gcc/x86_64-linux-gnu/7/collect2 -plugin /usr/lib/gcc/x86_64-
> linux-gnu/7/liblto_plugin.so 

Re: [zeromq-dev] Problems building zmq

[Arnaud Loonstra]

If I issue

pkg-config --libs libczmq

I get

-L/usr/local/lib -lczmq

So I guess you should do

gcc zmqserver.c -o zmqserver -lczmq -L.

instead of libcmzq. This is on Debian but I guess Ubuntu is the same.

Rg,

Arnaud


On 20-11-2019 17:23, Bill Engelke wrote:

Hello all:

I would like to work with zmq in C, and I have hit problems trying to 
compile and link the server/client example here 
 and trying to build any of 
the zguide examples here 
.


Platform: Ubuntu (tried all of this using first the ARM libraries on an 
Odroid, then the x86_64 libraries on a PC running Ubuntu); same results


I used sudo-apt-get install libczmq-dev   (this is the only package I 
can find available for Ubuntu)


sudo ldconfig

I have verified that the shared library is present in 
/usr/lib/x86_64-linux-gnu/ (libczmq, that is libczmq.so)


When I use this:

gcc zmqserver.c -o zmqserver -llibczmq -L.

I get:

/usr/bin/ld: cannot find -llibczmq

collect2: error: ld returned 1 exit status

I have tried referencing the library directly:

/usr/bin/ld: cannot find -l:/usr/lib/x86_64-linux-gnu/libczmq

collect2: error: ld returned 1 exit status

I have tried every possible combination of the order of the link 
references I can come up with, all with the same result.


Running using the verbose flag, we get:

gcc zmqserver.c -o zmqserver -llibczmq -L. -v

Using built-in specs.

COLLECT_GCC=gcc

COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper

OFFLOAD_TARGET_NAMES=nvptx-none

OFFLOAD_TARGET_DEFAULT=1

Target: x86_64-linux-gnu

Configured with: ../src/configure -v --with-pkgversion='Ubuntu 
7.4.0-1ubuntu1~18.04.1' 
--with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs 
--enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ 
--prefix=/usr --with-gcc-major-version-only --program-suffix=-7 
--program-prefix=x86_64-linux-gnu- --enable-shared 
--enable-linker-build-id --libexecdir=/usr/lib 
--without-included-gettext --enable-threads=posix --libdir=/usr/lib 
--enable-nls --with-sysroot=/ --enable-clocale=gnu 
--enable-libstdcxx-debug --enable-libstdcxx-time=yes 
--with-default-libstdcxx-abi=new --enable-gnu-unique-object 
--disable-vtable-verify --enable-libmpx --enable-plugin 
--enable-default-pie --with-system-zlib --with-target-system-zlib 
--enable-objc-gc=auto --enable-multiarch --disable-werror 
--with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 
--enable-multilib --with-tune=generic 
--enable-offload-targets=nvptx-none --without-cuda-driver 
--enable-checking=release --build=x86_64-linux-gnu 
--host=x86_64-linux-gnu --target=x86_64-linux-gnu


Thread model: posix

gcc version 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1)

COLLECT_GCC_OPTIONS='-o' 'zmqserver' '-L.' '-v' '-mtune=generic' 
'-march=x86-64'


/usr/lib/gcc/x86_64-linux-gnu/7/cc1 -quiet -v -imultiarch 
x86_64-linux-gnu zmqserver.c -quiet -dumpbase zmqserver.c -mtune=generic 
-march=x86-64 -auxbase zmqserver -version -fstack-protector-strong 
-Wformat -Wformat-security -o /tmp/cc2R1v53.s


GNU C11 (Ubuntu 7.4.0-1ubuntu1~18.04.1) version 7.4.0 (x86_64-linux-gnu)

     compiled by GNU C version 7.4.0, GMP version 6.1.2, 
MPFR version 4.0.1, MPC version 1.1.0, isl version isl-0.19-GMP


GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072

ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"

ignoring nonexistent directory 
"/usr/lib/gcc/x86_64-linux-gnu/7/../../../../x86_64-linux-gnu/include"


#include "..." search starts here:

#include <...> search starts here:

/usr/lib/gcc/x86_64-linux-gnu/7/include

/usr/local/include

/usr/lib/gcc/x86_64-linux-gnu/7/include-fixed

/usr/include/x86_64-linux-gnu

/usr/include

End of search list.

GNU C11 (Ubuntu 7.4.0-1ubuntu1~18.04.1) version 7.4.0 (x86_64-linux-gnu)

     compiled by GNU C version 7.4.0, GMP version 6.1.2, 
MPFR version 4.0.1, MPC version 1.1.0, isl version isl-0.19-GMP


GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072

Compiler executable checksum: fa57db1fe2d756b22d454aa8428fd3bd

COLLECT_GCC_OPTIONS='-o' 'zmqserver' '-L.' '-v' '-mtune=generic' 
'-march=x86-64'


as -v --64 -o /tmp/ccKlQGoW.o /tmp/cc2R1v53.s

GNU assembler version 2.30 (x86_64-linux-gnu) using BFD version (GNU 
Binutils for Ubuntu) 2.30


COMPILER_PATH=/usr/lib/gcc/x86_64-linux-gnu/7/:/usr/lib/gcc/x86_64-linux-gnu/7/:/usr/lib/gcc/x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-gnu/7/:/usr/lib/gcc/x86_64-linux-gnu/

LIBRARY_PATH=/usr/lib/gcc/x86_64-linux-gnu/7/:/usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-gnu/7/../../../../lib/:/lib/x86_64-linux-gnu/:/lib/../lib/:/usr/lib/x86_64-linux-gnu/:/usr/lib/../lib/:/usr/lib/gcc/x86_64-linux-gnu/7/../../../:/lib/:/usr/lib/

COLLECT_GCC_OPTIONS='-o' 'zmqserver' '-L.' '-v' '-mtune=generic' 
'-march=x86-64'


/usr/lib/gcc/x86_64-linux-gnu/7/collect2 

[zeromq-dev] Problems building zmq

[Bill Engelke]

Hello all:

 

I would like to work with zmq in C, and I have hit problems trying to
compile and link the server/client example here
  and trying to build any of the
zguide examples here
 . 

 

Platform: Ubuntu (tried all of this using first the ARM libraries on an
Odroid, then the x86_64 libraries on a PC running Ubuntu); same results

 

I used sudo-apt-get install libczmq-dev   (this is the only package I can
find available for Ubuntu)

sudo ldconfig

 

I have verified that the shared library is present in
/usr/lib/x86_64-linux-gnu/ (libczmq, that is libczmq.so)

 

When I use this:

 

gcc zmqserver.c -o zmqserver -llibczmq -L.

 

I get:

 

/usr/bin/ld: cannot find -llibczmq

collect2: error: ld returned 1 exit status

 

I have tried referencing the library directly:

 

/usr/bin/ld: cannot find -l:/usr/lib/x86_64-linux-gnu/libczmq

collect2: error: ld returned 1 exit status

 

I have tried every possible combination of the order of the link references
I can come up with, all with the same result.

 

Running using the verbose flag, we get:

 

gcc zmqserver.c -o zmqserver -llibczmq -L. -v

Using built-in specs.

COLLECT_GCC=gcc

COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper

OFFLOAD_TARGET_NAMES=nvptx-none

OFFLOAD_TARGET_DEFAULT=1

Target: x86_64-linux-gnu

Configured with: ../src/configure -v --with-pkgversion='Ubuntu
7.4.0-1ubuntu1~18.04.1'
--with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs
--enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr
--with-gcc-major-version-only --program-suffix=-7
--program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes
--with-default-libstdcxx-abi=new --enable-gnu-unique-object
--disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie
--with-system-zlib --with-target-system-zlib --enable-objc-gc=auto
--enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64
--with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic
--enable-offload-targets=nvptx-none --without-cuda-driver
--enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu

Thread model: posix

gcc version 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1) 

COLLECT_GCC_OPTIONS='-o' 'zmqserver' '-L.' '-v' '-mtune=generic'
'-march=x86-64'

/usr/lib/gcc/x86_64-linux-gnu/7/cc1 -quiet -v -imultiarch x86_64-linux-gnu
zmqserver.c -quiet -dumpbase zmqserver.c -mtune=generic -march=x86-64
-auxbase zmqserver -version -fstack-protector-strong -Wformat
-Wformat-security -o /tmp/cc2R1v53.s

GNU C11 (Ubuntu 7.4.0-1ubuntu1~18.04.1) version 7.4.0 (x86_64-linux-gnu)

compiled by GNU C version 7.4.0, GMP version 6.1.2, MPFR
version 4.0.1, MPC version 1.1.0, isl version isl-0.19-GMP

GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072

ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"

ignoring nonexistent directory
"/usr/lib/gcc/x86_64-linux-gnu/7/../../../../x86_64-linux-gnu/include"

#include "..." search starts here:

#include <...> search starts here:

/usr/lib/gcc/x86_64-linux-gnu/7/include

/usr/local/include

/usr/lib/gcc/x86_64-linux-gnu/7/include-fixed

/usr/include/x86_64-linux-gnu

/usr/include

End of search list.

GNU C11 (Ubuntu 7.4.0-1ubuntu1~18.04.1) version 7.4.0 (x86_64-linux-gnu)

compiled by GNU C version 7.4.0, GMP version 6.1.2, MPFR
version 4.0.1, MPC version 1.1.0, isl version isl-0.19-GMP

 

GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072

Compiler executable checksum: fa57db1fe2d756b22d454aa8428fd3bd

COLLECT_GCC_OPTIONS='-o' 'zmqserver' '-L.' '-v' '-mtune=generic'
'-march=x86-64'

as -v --64 -o /tmp/ccKlQGoW.o /tmp/cc2R1v53.s

GNU assembler version 2.30 (x86_64-linux-gnu) using BFD version (GNU
Binutils for Ubuntu) 2.30

COMPILER_PATH=/usr/lib/gcc/x86_64-linux-gnu/7/:/usr/lib/gcc/x86_64-linux-gnu
/7/:/usr/lib/gcc/x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-gnu/7/:/usr/lib
/gcc/x86_64-linux-gnu/

LIBRARY_PATH=/usr/lib/gcc/x86_64-linux-gnu/7/:/usr/lib/gcc/x86_64-linux-gnu/
7/../../../x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-gnu/7/../../../../lib
/:/lib/x86_64-linux-gnu/:/lib/../lib/:/usr/lib/x86_64-linux-gnu/:/usr/lib/..
/lib/:/usr/lib/gcc/x86_64-linux-gnu/7/../../../:/lib/:/usr/lib/

COLLECT_GCC_OPTIONS='-o' 'zmqserver' '-L.' '-v' '-mtune=generic'
'-march=x86-64'

/usr/lib/gcc/x86_64-linux-gnu/7/collect2 -plugin
/usr/lib/gcc/x86_64-linux-gnu/7/liblto_plugin.so
-plugin-opt=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
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[zeromq-dev] Fwd: Final Reminder: FOSDEM 2020 SDN Devroom CFP

[Luca Boccassi]

-- Forwarded message -
From: Ray Kinsella 
Date: Wed, 20 Nov 2019 at 14:41
Subject: Final Reminder: FOSDEM 2020 SDN Devroom CFP
To: Luca Boccassi 


*Final Reminder: CFP closes on Sunday the 24th of November*

We are pleased to announce the Call for Participation for the FOSDEM 2020
Software Defined Networking devroom!

Talks covering any projects or technologies within the networking domain
are welcome, with the only condition being that the project or technology
must be free and open source. Software Defined Networking continues to be
an exciting and growing field and FOSDEM gives an opportunity to reach a
large audience of knowledgeable, highly technical, free and open source
software activists.

Important dates:
Nov 24th 2019 Submission deadline for talk proposals
Dec 15th 2019 Announcement of the final schedule
Feb 1st 2020 Software Defined Networking devroom
Topics:

This year the devroom topics will include the following fields.
Domain IoT, Cloud, Enterprise, Service Provider, Wireless and Cellular.
Physical low power, mesh, high throughput, low latency, optical, wireless
Infrastructure switching, routing, load balancing, translation, authentic,
crypto, detection, intercept
Tooling libraries, frameworks, tracing, debugging, domain specific
languages and extensions.
Telemetry counters & statistics, interference, analysis, automation.
Validation performance, latency, packet manipulation & fuzzing, traffic
generators.
Orchestration management, network-layer plugins and controllers.

This year the devroom will focus on cloud infrastructure, and the
challenges of scaling and resiliency posed by cloud deployments - what does
it take to build a fast and robust cloud native network? What does this
mean in the age of edge cloud?

Suggested Projects:

A non-exhaustive representative list of the projects and topics we would
like to see on the schedule are:
Frameworks DPDK, eBPF, XDP
Switching Snabb, OpenvSwitch, Tungsten Fabric, Lagopus, FastClick
Stacks Linux, *BSD, FD.io, F-Stack, DMM, mTCP, Seastar, YAStack
Controllers Istio/Envoy, Network Service Mesh, Neutron, CNI, Canal, ODL,
ONOS, Plumgrid, OVN, Contrail
Edge Akraino, Openness
Routing FRRouting, BIRD, Netopeer, Go-BGP
Management ONAP, Open-O, ManageIQ, Juju, OpenBaton, Tacker, OSM, Ganglia,
NetSNMP, PNDA.io
Security Suricata, Snort, Zeek
Tooling VSPerf, CSIT, TRex, Moongen, Scapy, Warp17

Talks should be aimed at a technical audience, but should not assume that
attendees are already familiar with your project or how it solves a given
problem. Talk proposals may cover very specific solutions to a problem, or
may be a higher level project overview for lesser known projects.

Proposals:

Proposals should be made through the FOSDEM Pentabarf submission tool. You
do not need to create a new Pentabarf account if you already have one from
a past year.

https://penta.fosdem.org/submission/FOSDEM20


Please select the "Software Defined Networking" as the *track* and ensure
you include the following information when submitting a proposal:
Section Field Notes
Person First/Last/Public Name Your name.
Person Abstract Short bio.
Person Photo Please provide a photo.
Event Event Title *This is the title of your talk* - please be descriptive
to encourage attendance.
Event Abstract Short abstract of one or two paragraphs.
Event Duration Please indicate the length of your talk; 15 min, 30 min or
45 min

The deadline for submissions is November 24th, 2019. FOSDEM will be held on
the weekend of February 1-2, 2020 and the Software Defined Networking
devroom will take place on Saturday, February 1, 2020.

Please also join the devroom’s mailing list, which is the official
communication channel for the devroom:

network-devr...@lists.fosdem.org

(subscription page)

Notifications:

*Please feel free to forward this CFP to anyone you think may be
interested.*

Lastly, this year mostly due to time limitations I am reaching out to my
regular contact list with mailchimp
.
I entirely understand if you do not wish to be reached in this way. If this
is case please send me a note at m...@ashroe.eu , and I
will remove you from the distribution.

Steering Committee:

Ray Kinsella
Thomas Monjalon
Emma Foley
Chris Price
Charles Eckel






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