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From: jayc.lawrence_at_[hidden]
Date: 2007-11-29 13:06:26
Hi Daniel,
I am stumped on this one, hope Andrew helps ;)
Jay
Daniel wrote:
> That's not in the library list (http://boost.org/libs/libraries.htm)
> But I tried anyway, and it didn't work, as expected:
> /usr/lib/gcc/i486-pc-linux-gnu/4.1.2/../../../../i486-pc-linux-gnu/bin/ld: 
> cannot find -lboost_system
> 
> On Nov 29, 2007 12:34 PM, <jayc.lawrence_at_[hidden] 
> <mailto:jayc.lawrence_at_[hidden]>> wrote:
> 
>     Hi Daniel,
> 
>     Try adding -lboost_system to your compile line.
> 
>     Jay
> 
>     Daniel wrote:
>      > Here's the output:
>      > $  g++ -v -s -I/usr/include/boost -lboost_date_time -pthread
>     ./timer.cpp
>      > -o ./timer
>      > Using built-in specs.
>      > Target: i486-pc-linux-gnu
>      > Configured with: /var/tmp/portage/sys-devel/gcc-4.1.2/work/gcc-
>      > 4.1.2/configure --prefix=/usr
>      > --bindir=/usr/i486-pc-linux-gnu/gcc-bin/4.1.2
>      > --includedir=/usr/lib/gcc/i486-pc-linux-gnu/4.1.2/include
>      > --datadir=/usr/share/gcc-data/i486-pc-linux-gnu/4.1.2
>      > --mandir=/usr/share/gcc-data/i486-pc-linux-gnu/4.1.2/man
>      > --infodir=/usr/share/gcc-data/i486-pc-linux-gnu/4.1.2/info
>      >
>     --with-gxx-include-dir=/usr/lib/gcc/i486-pc-linux-gnu/4.1.2/include/g++-v4
>      > --host=i486-pc-linux-gnu --build=i486-pc-linux-gnu --disable-altivec
>      > --enable-nls --without-included-gettext --with-system-zlib
>      > --disable-checking --disable-werror --enable-secureplt
>      > --disable-libunwind-exceptions --disable-multilib --enable-libmudflap
>      > --disable-libssp --disable-libgcj --with-arch=i486
>      > --enable-languages=c,c++,fortran --enable-shared
>     --enable-threads=posix
>      > --enable-__cxa_atexit --enable-clocale=gnu
>      > Thread model: posix
>      > gcc version 4.1.2 (Gentoo 4.1.2 p1.0.2)
>      >  /usr/libexec/gcc/i486-pc-linux-gnu/4.1.2/cc1plus -quiet -v
>      > -I/usr/include/boost -D_GNU_SOURCE -D_REENTRANT ./timer.cpp -quiet
>      > -dumpbase timer.cpp -march=i486 -auxbase timer -version -o
>     /tmp/cc9RRPjp.s
>      > ignoring nonexistent directory
>      >
>     "/usr/lib/gcc/i486-pc-linux-gnu/4.1.2/../../../../i486-pc-linux-gnu/include"
>      > #include "..." search starts here:
>      > #include <...> search starts here:
>      >  /usr/include/boost
>      >  /usr/lib/gcc/i486-pc-linux-gnu/4.1.2/include/g++-v4
>      >
>      /usr/lib/gcc/i486-pc-linux-gnu/4.1.2/include/g++-v4/i486-pc-linux-gnu
>      >  /usr/lib/gcc/i486-pc-linux-gnu/4.1.2/include/g++-v4/backward
>      >  /usr/local/include
>      >  /usr/lib/gcc/i486-pc-linux-gnu/4.1.2/include
>      >  /usr/include
>      > End of search list.
>      > GNU C++ version 4.1.2 (Gentoo 4.1.2 p1.0.2) (i486-pc-linux-gnu)
>      >         compiled by GNU C version 4.1.2 (Gentoo 4.1.2 p1.0.2).
>      > GGC heuristics: --param ggc-min-expand=46 --param
>     ggc-min-heapsize=30755
>      > Compiler executable checksum: 4ca4b00b3bea7fbbb8f68a78703ea1b5
>      >
>      /usr/lib/gcc/i486-pc-linux-gnu/4.1.2/../../../../i486-pc-linux-gnu/bin/as
>      > -V -Qy -o /tmp/ccgiUm3Z.o /tmp/cc9RRPjp.s
>      > GNU assembler version 2.16.1 (i486-pc-linux-gnu) using BFD
>     version 2.16.1
>      >  /usr/libexec/gcc/i486-pc-linux-gnu/4.1.2/collect2 --eh-frame-hdr -m
>      > elf_i386 -dynamic-linker /lib/ld-linux.so.2 -o ./timer -s
>      > /usr/lib/gcc/i486-pc-linux-gnu/4.1.2/../../../crt1.o
>      > /usr/lib/gcc/i486-pc-linux-gnu/4.1.2/../../../crti.o
>      > /usr/lib/gcc/i486-pc-linux-gnu/4.1.2/crtbegin.o
>      > -L/usr/lib/gcc/i486-pc-linux-gnu/4.1.2
>      > -L/usr/lib/gcc/i486-pc-linux-gnu/4.1.2
>      >
>     -L/usr/lib/gcc/i486-pc-linux-gnu/4.1.2/../../../../i486-pc-linux-gnu/lib
>      > -L/usr/lib/gcc/i486-pc-linux-gnu/4.1.2/../../.. -lboost_date_time
>      > /tmp/ccgiUm3Z.o -lstdc++ -lm -lgcc_s -lgcc -lpthread -lc -lgcc_s
>     -lgcc
>      > /usr/lib/gcc/i486-pc-linux-gnu/4.1.2/crtend.o
>      > /usr/lib/gcc/i486-pc-linux-gnu/4.1.2/../../../crtn.o
>      > /tmp/ccgiUm3Z.o: In function
>      > `__static_initialization_and_destruction_0(int, int)':
>      > timer.cpp:(.text+0x13b): undefined reference to
>      > `boost::system::get_system_category()'
>      > timer.cpp:(.text+0x145): undefined reference to
>      > `boost::system::get_posix_category()'
>      > timer.cpp:(.text+0x14f): undefined reference to
>      > `boost::system::get_posix_category()'
>      > timer.cpp:(.text+0x159): undefined reference to
>      > `boost::system::get_system_category()'
>      > collect2: ld returned 1 exit status
>      >
>      > On Nov 29, 2007 12:06 PM, <jayc.lawrence_at_[hidden]
>     <mailto:jayc.lawrence_at_[hidden]>
>      > <mailto: jayc.lawrence_at_[hidden]
>     <mailto:jayc.lawrence_at_[hidden]>>> wrote:
>      >
>      >     Hi Daniel,
>      >
>      >     I just did a little digging, regarding that particular error
>     it has been
>      >     suggested previously to add -pthread to your compile string.
>     Could you
>      >     give us more output like what other undefined references
>     there are?
>      >
>      >     Jay
>      >
>      >     Daniel wrote:
>      >      > including the -I/path/to/boost seemed to do the trick,
>     however,
>      >     once I
>      >      > started utilizing it (asio/date_time) I started getting things
>      >     such as
>      >      > undefined reference to `pthread_detach'
>      >      >
>      >      > Code directly taken from the tutorial here:
>      >      >
>      >    
>     http://asio.sourceforge.net/boost_asio_0_3_7/libs/asio/doc/tutorial/tuttimer1src.html
>     <http://asio.sourceforge.net/boost_asio_0_3_7/libs/asio/doc/tutorial/tuttimer1src.html>
>      >    
>     <http://asio.sourceforge.net/boost_asio_0_3_7/libs/asio/doc/tutorial/tuttimer1src.html
>      >
>      >      >
>      >      > Is there a list of the exact library names in boost/asio?
>      >      >
>      >      > On Nov 29, 2007 11:27 AM, <jayc.lawrence_at_[hidden]
>     <mailto:jayc.lawrence_at_[hidden]>
>      >     <mailto:jayc.lawrence_at_[hidden] <mailto:jayc.lawrence_at_[hidden]>>
>      >      > <mailto:jayc.lawrence_at_[hidden]
>     <mailto:jayc.lawrence_at_[hidden]>
>      >     <mailto: jayc.lawrence_at_[hidden]
>     <mailto:jayc.lawrence_at_[hidden]>>>> wrote:
>      >      >
>      >      >     Hi Daniel,
>      >      >
>      >      >     Where were your boost header files and libraries
>     compiled to?
>      >     I had
>      >      >     similar issues and John Maddock helped me solve a path
>     issue.
>      >     Try adding
>      >      >
>      >      >     -I/path/to/boost
>      >      >
>      >      >     to your compile string e.g
>      >      >
>      >      >     g++ -v -s -I/path/to/boost myfile.cpp -o myfile.exe
>      >      >
>      >      >     you might need to add the relevant
>      >     -lboost_library_name_goes_here to the
>      >      >     end of that compile string, where
>      >     boost_library_name_goes_here is the
>      >      >     name of the library you are using.
>      >      >
>      >      >     I thought this would be easier on linux than windows
>     to be
>      >     honest and
>      >      >     here you are having some problems !
>      >      >
>      >      >     Hope this helps.
>      >      >
>      >      >     Jay
>      >      >
>      >      >     Daniel wrote:
>      >      >      > I wrote a simple "Hello, world!" program to test if
>      >     boost/asio was
>      >      >      > working correctly:
>      >      >      >
>      >      >      > #include <iostream>
>      >      >      > #include <boost/date_time/posix_time/posix_time.hpp>
>      >      >      >
>      >      >      > int main()
>      >      >      > {
>      >      >      >   std::cout << "Hello, world!\n";
>      >      >      >   return 0;
>      >      >      > }
>      >      >      >
>      >      >      > But, I get this: (GCC C++ 4.1.2/Linux version
>      >     2.6.22-gentoo-r8)
>      >      >      > test.cpp:(.text+0x10b): undefined reference to
>      >      >      > `boost::system::get_system_category()'
>      >      >      > test.cpp:(.text+0x115): undefined reference to
>      >      >      > `boost::system::get_posix_category()'
>      >      >      > test.cpp:(.text+0x11f): undefined reference to
>      >      >      > `boost::system::get_posix_category()'
>      >      >      > test.cpp:(.text+0x129): undefined reference to
>      >      >      > `boost::system::get_system_category()'
>      >      >      >
>      >      >      >
>      >      >      > This happens when I used '#include
>      >      >      > <boost/date_time/posix_time/posix_time.hpp>'
>      >      >      > I can't figure out what I'm missing
>      >      >      >
>      >      >      >
>      >      >      >
>      >      >
>      >    
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