Dnia sobota, 1 marca 2014 14:57:23 Samuli Suominen pisze:
> On 01/03/14 13:23, Kacper Kopczyński wrote:
> > Hello list,
> >
> >
> >
> > I've installed newest boost into /usr/local - it's a custom
> > installation and not via emerge/portage.
> >
> >
> >
> > Today, after upgrading system, I've found that I need to use
> >
> >
> >
> > emerge --update --newuse --deep --with-bdeps=y @world
> >
> >
> >
> > to rebuild some dependencies.
> >
> >
> >
> > In the process of recompiling I first noticed this strange thing:
> >
> > checking for Boost headers version >= 1.36.0... yes
> >
> > checking for Boost's header version... 1_55
> >
> >
> >
> > Portage installed boost is 1.52, my custom installed one is 1.55.
> >
> >
> >
> > Then after a few seconds I saw this:
> >
> > x86_64-pc-linux-gnu-g++ -DPACKAGE_NAME=\"libixion\"
> > -DPACKAGE_TARNAME=\"libixion\" -DPACKAGE_VERSION=\"0.5.0\"
> > -DPACKAGE_STRING=\"libixion\ 0.5.0\" -DPACKAGE_BUGREPORT=\"\"
> > -DPACKAGE_URL=\"\" -DPACKAGE=\"libixion\" -DVERSION=\"0.5.0\"
> > -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1
> > -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1
> > -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1
> > -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\"
> > -DHAVE_STDLIB_H=1 -DHAVE_SYS_TIME_H=1 -DHAVE_UNISTD_H=1 -DHAVE__BOOL=1
> > -DHAVE_STDBOOL_H=1 -DHAVE_GETTIMEOFDAY=1 -DHAVE_BOOST=1
> > -DHAVE_BOOST_UNORDERED_MAP_HPP=1 -DHAVE_MDDS_RECTANGLE_SET_HPP=1
> > -DHAVE_MDDS_MIXED_TYPE_MATRIX_HPP=1
> > -DHAVE_MDDS_MULTI_TYPE_VECTOR_TRAIT_HPP=1
> > -DHAVE_BOOST_SYSTEM_ERROR_CODE_HPP=1 -DHAVE_BOOST_THREAD_HPP=1
> > -DHAVE_BOOST_PROGRAM_OPTIONS_HPP=1 -I. -I../include
> > -I../lib/libixion/libixion.la -D_REENTRANT -DMDDS_HASH_CONTAINER_BOOST
> > -D__IXION_BUILDING_DLL -g -Os -fvisibility=hidden -O2 -pipe
> > -march=native -c -o ixion_sorter-sort_input_parser.o `test -f
> > 'sort_input_parser.cpp' || echo './'`sort_input_parser.cpp
> >
> > /bin/sh ../libtool --tag=CXX --mode=link x86_64-pc-linux-gnu-g++ -O2
> > -pipe -march=native -Wl,-O1 -Wl,--as-needed -o ixion-parser
> > ixion_parser-ixion_parser.o ixion_parser-model_parser.o
> > libixion/libixion-0.6.la -lboost_thread-mt -lboost_system-mt -pthread
> > -lboost_program_options-mt
> >
> > libtool: link: x86_64-pc-linux-gnu-g++ -O2 -pipe -march=native -Wl,-O1
> > -Wl,--as-needed -o .libs/ixion-parser ixion_parser-ixion_parser.o
> > ixion_parser-model_parser.o -pthread libixion/.libs/libixion-0.6.so
> > -lboost_thread-mt -lboost_system-mt -lboost_program_options-mt -pthread
> >
> > libixion/.libs/libixion-0.6.so: undefined reference to
> > `boost::thread::start_thread_noexcept()'
> >
> > libixion/.libs/libixion-0.6.so: undefined reference to
> > `boost::thread::join_noexcept()'
> >
> > collect2: error: ld returned 1 exit status
> >
> > make[2]: *** [ixion-parser] Error 1
> >
> > make[2]: *** Waiting for unfinished jobs....
> >
> > make[2]: Leaving directory
> > `/var/tmp/portage/dev-libs/libixion-0.5.0/work/libixion-0.5.0/src'
> >
> > make[1]: *** [all-recursive] Error 1
> >
> > make[1]: Leaving directory
> > `/var/tmp/portage/dev-libs/libixion-0.5.0/work/libixion-0.5.0/src'
> >
> > make: *** [all-recursive] Error 1
> >
> > * ERROR: dev-libs/libixion-0.5.0::gentoo failed (compile phase):
> >
> >
> >
> >
> >
> > ...so it failed because it tried to use my custom boost... I think.
> >
> >
> >
> > To be sure that this is because of this I moved /usr/local/lib and
> > /usr/local/include to /root and another compilation of this library
> > went fine.
> >
> > After doing so I runned revdep-rebuild and it had to recompile
> > libkolabxml because it was linked to boost in /usr/local/lib.
> >
> >
> >
> > So here is my question:
> >
> > If libreoffice does need boost to compile, and I compiled libreoffice
> > after I installed boost to /usr/local, then why it was able to use
> > correct version of boost (from /usr not /usr/local)?
> >
> >
> >
> > Libreoffice is just an example - there are many other programs that
> > depend on boost, and the boost.thread library is very popular one.
> >
> >
> >
> > libkolabxml at version 1.0.1
> >
> > libixion at version 0.5.0
> >
> >
> >
> > Should I create a bug for these two libraries or this is expected
> > behaviour?
> >
> >
> >
> >
> > Kacper Kopczyński
>
> There are multiple factors in play, some per package ./configure scripts
> add -I/usr/local/include so that headers are picked up from there by
> default,
> if compiler alone doesn't have that in it's default search path already.
> There are -L/usr/local/lib added by some, and /usr/local/lib in
> /etc/ld.so.conf
>
> What I'm really trying to say is that you can't install boost safely
> into /usr/local/lib and include, but you should put it in it's own
> directory outside of
> compilers or ld.so's scope, like for example, /home/username/boost, and
> then when you want something to use it, point the package to search it
> from there
> using package specific configure flags and environment variables like
> LD_LIBRARY_PATH, PKG_CONFIG_PATH, and so forth
>
> Bottom line is, It's not a bug you can file to Gentoo's bugzilla, it is
> expected behavior
