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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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