Re: [h323plus] Compiling PTLib 2.10.1 in Ubuntu 11

-- Thanks & Regards Piyush Verma On Wed, Jun 22, 2011 at 3:22 PM, JF NP jfnp090274@yahoo.es wrote: Hi, all: > >I've also seen this: > >dev@devhost:~$ getconf GNU_LIBPTHREAD_VERSION >NPTL 2.13 > >So it seems I have a working pthread library, isn't it? What is the problem >then? > >Regards, > > > > > ________________________________ De: JF NP jfnp090274@yahoo.es >Para: Piyush Verma piyush.pv@gmail.com > >CC: h323plus@lists.packetizer.com >Enviado: mié,22 junio, 2011 08:35 > >Asunto: Re: [h323plus] Compiling PTLib 2.10.1 in Ubuntu 11 > > > >Thank you, Piyush. But it seems that I've that installed already: > >sudo apt-get install libpthread-stubs0-dev >[sudo] password for xxxxxxx: >Reading package lists... Done >Building dependency tree >Reading state information... Done >libpthread-stubs0-dev is already the newest version. >libpthread-stubs0-dev set to manually installed. >0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. > > > > ________________________________ De: Piyush Verma piyush.pv@gmail.com >Para: JF NP jfnp090274@yahoo.es >CC: h323plus@lists.packetizer.com >Enviado: mié,22 junio, 2011 03:42 >Asunto: Re: [h323plus] Compiling PTLib 2.10.1 in Ubuntu 11 > >Hi, > >Try to install libpthread-stubs0-dev. > >sudo apt-get install libpthread-stubs0-dev. > >pthread stubs not provided by native libc, development files. > > > >-- >Thanks & Regards > >Piyush Verma > > > > > > > >On Tue, Jun 21, 2011 at 11:14 PM, JF NP jfnp090274@yahoo.es wrote: > >Hi, >> >>I'm trying to build PTLib 2.10.1 in Ubuntu 11, and I have a problem with >>pthreads. When I run ./configure, I get the following output: >> >> >>checking for pkg-config... /usr/bin/pkg-config >>checking pkg-config is at least version 0.9.0... yes >>checking for gcc... gcc >>checking whether the C compiler works... yes >>checking for C compiler default output file name... a.out >>checking for suffix of executables... >>checking whether we are cross compiling... no >>checking for suffix of object files... o >>checking whether we are using the GNU C compiler... yes >>checking whether gcc accepts -g... yes >>checking for gcc option to accept ISO C89... none needed >>checking for g++... g++ >>checking whether we are using the GNU C++ compiler... yes >>checking whether g++ accepts -g... yes >>.10figure: PTLib version is 2 >>checking build system type... i686-pc-linux-gnu >>checking host system type... i686-pc-linux-gnu >>checking target system type... i686-pc-linux-gnu >>checking for swab... no >>configure: OSTYPE set to linux >>configure: OSRELEASE set to "2.6.38-8-generic" >>configure: MACHTYPE set to x86 >>configure: gcc version is 4.5.2 >>checking checking if pragma implementation should be used... no >>checking checking if precompiled headers available... no >>checking how to run the C++ preprocessor... g++ -E >>checking for grep that handles long lines and -e... /bin/grep >>checking for egrep... /bin/grep -E >>checking for ANSI C header files... no >>checking for sys/types.h... no >>checking for sys/stat.h... no >>checking for stdlib.h... no >>checking for string.h... no >>checking for memory.h... no >>checking for strings.h... no >>checking for inttypes.h... no >>checking for stdint.h... no >>checking for unistd.h... no >>checking whether byte ordering is bigendian... yes >>configure: Default extension for C++ files is cpp >>checking if compiler accepts -felide-constructors... no >>checking if linker accepts -Wreorder... no >>checking if debug build accepts -g3 -ggdb -O0... no >>checking if compiler uses RTTI by default... no >>checking size of int... 0 >>checking for long double with more range or precision than double... no >>checking for flex... /usr/bin/flex >>checking for ar... ar >>checking for bison... /usr/bin/bison >>checking if readdir_r has 2 parms... no >>checking if readdir_r has 3 parms... no >>configure: PTRACE and all trace logging included >>configure: Using ANSI C++ bool for PBoolean: (PFalse=false PTrue=true) >>checking for recvmsg... no >>checking for IPV6_ADD_MEMBERSHIP... no >>checking for NetLink support... no >>checking if using STL streams... no >>checking if atomic integer available... no >>checking if Unix semaphores are available... no >>checking if named semaphores are available... no >>configure: WARNING: This host does not support semaphores which are essential >>configure: WARNING: to implement 'critical sections'. This feature was added >>configure: WARNING: in PWLib 1.7.0 and improves the stability of multithreaded >>configure: WARNING: programs. This feature has been disabled for this host >>checking for pthread_create in -lpthread... no >>configure: error: must have pthreads! >> >>But if I do: whereis pthread.h >>I get: /usr/include/pthread.h >> >>So it seems that pthreads is installed. What am I doing wrong? >> >>Regards, and thank you in advance for your help. >> >> > > > >