Re: [Cppcms-users] Boost locale with icu backend static linking.

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Hello,

You are linking not correctly:

a) You forget to link with ICU
b) You use incorrect link order
c) You forget to return to dynamic linking (in generally it is better to provide path to *.a files)
d) Don't forget order.

   -lboost_locale -lboost_thread

   Not the other way around as boost locale uses boost thread

This is how should you links (in the example there is a stage build)

This is the simplest way:
------------------------

The simplest way (full path), locale static, icu dynamic

g++ -O2 test.cpp -I /home/artik/Packages/boost/boost_1_49_0 /home/artik/Packages/boost/boost_1_49_0/stage/lib/libboost_locale.a /home/artik/Packages/boost/boost_1_49_0/stage/lib/libboost_thread.a -lpthread -licuuc -licui18n

Boost-Locale Static and ICU Dynamic

g++ -O2 test.cpp -I /home/artik/Packages/boost/boost_1_49_0 -L /home/artik/Packages/boost/boost_1_49_0/stage/lib/  -Wl,-Bstatic -lboost_locale -lboost_thread -Wl,-Bdynamic -lpthread -licuuc -licui18n

Boost-Locale and ICU Static 

g++ -O2 test.cpp -I /home/artik/Packages/boost/boost_1_49_0 -L /home/artik/Packages/boost/boost_1_49_0/stage/lib/  -Wl,-Bstatic -lboost_locale -lboost_thread -licui18n -licuuc -licudata -Wl,-Bdynamic -lpthread -ldl

Probably with more resent versions you'll need -lboost_system AFTER boost_thread

Also such a question should go to boost mailing list :-)

Artyom Beilis
--------------
CppCMS - C++ Web Framework:   http://cppcms.com/
CppDB - C++ SQL Connectivity: http://cppcms.com/sql/cppdb/

----- Original Message -----
> From: Stanimir Mladenov <sta...@zo...>
> To: Artyom Beilis <art...@ya...>; cpp...@li...
> Cc: 
> Sent: Tuesday, August 7, 2012 5:11 PM
> Subject: Re: [Cppcms-users] Boost locale with icu backend static linking.
> 
> After i made a simple example for linking with boost_locale statically
> and building it on a clean machine the problems still exists.
> It could be something with the link order or something else, that i
> just can't see.
> 
> Here are some info for my environment:
> Ubuntu 12.04 server x86_64
> g++ (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 - installed from the repository
> boost 1.49 - compiled from source and installed
> 
> $ locale
> LANG=en_US.UTF-8
> LANGUAGE=
> LC_CTYPE="en_US.UTF-8"
> LC_NUMERIC="en_US.UTF-8"
> LC_TIME="en_US.UTF-8"
> LC_COLLATE="en_US.UTF-8"
> LC_MONETARY="en_US.UTF-8"
> LC_MESSAGES="en_US.UTF-8"
> LC_PAPER="en_US.UTF-8"
> LC_NAME="en_US.UTF-8"
> LC_ADDRESS="en_US.UTF-8"
> LC_TELEPHONE="en_US.UTF-8"
> LC_MEASUREMENT="en_US.UTF-8"
> LC_IDENTIFICATION="en_US.UTF-8"
> LC_ALL=
> 
> Here is the example that fails to compile:
> 
> #include <boost/locale.hpp>
> #include <boost/locale/date_time.hpp>
> #include <boost/locale/info.hpp>
> #include <boost/locale/localization_backend.hpp>
> 
> #include <string>
> 
> int main(int argc, char* argv[])
> {
>   using namespace boost::locale;
>   generator gen;
>   std::locale l = gen("bg_BG.UTF-8");
>   std::locale::global(l);
>   std::cout.imbue(l);
>   boost::locale::date_time date = boost::locale::date_time();
>   std::cout << "info: " <<
> std::use_facet<boost::locale::info>(l).country() << std::endl;
>   std::cout << boost::locale::as::date << date << std::endl;
> }
> 
> The expected output must be:
> 
> info: BG
> 07.08.2012
> 
> Compiling with the following command line for dynamic linking works:
> g++ main.cpp -o test -lboost_filesystem -lboost_thread -lboost_system
> -lboost_locale -Wl,-Bdynamic
> 
> The problematic link for static is:
> $ g++ -Wl,-Bstatic -lboost_system -lboost_filesystem -lboost_locale
> -static main.cpp -o test
> 
> Here is the output of the command line for static:
> 
> /tmp/ccosf6nV.o: In function `main':
> main.cpp:(.text+0x21): undefined reference to
> `boost::locale::generator::generator()'
> main.cpp:(.text+0xbd): undefined reference to
> `boost::locale::date_time::date_time()'
> main.cpp:(.text+0x149): undefined reference to
> `boost::locale::date_time::~date_time()'
> main.cpp:(.text+0x161): undefined reference to
> `boost::locale::generator::~generator()'
> main.cpp:(.text+0x1c3): undefined reference to
> `boost::locale::date_time::~date_time()'
> main.cpp:(.text+0x1e0): undefined reference to
> `boost::locale::generator::~generator()'
> /tmp/ccosf6nV.o: In function `boost::locale::as::date(std::ios_base&)':
> main.cpp:(.text._ZN5boost6locale2as4dateERSt8ios_base[boost::locale::as::date(std::ios_base&)]+0x14):
> undefined reference to `boost::locale::ios_info::get(std::ios_base&)'
> main.cpp:(.text._ZN5boost6locale2as4dateERSt8ios_base[boost::locale::as::date(std::ios_base&)]+0x21):
> undefined reference to
> `boost::locale::ios_info::display_flags(unsigned long)'
> /tmp/ccosf6nV.o: In function
> `boost::locale::generator::operator()(std::basic_string<char,
> std::char_traits<char>, std::allocator<char> > const&) 
> const':
> main.cpp:(.text._ZNK5boost6locale9generatorclERKSs[boost::locale::generator::operator()(std::basic_string<char,
> std::char_traits<char>, std::allocator<char> > const&) 
> const]+0x27):
> undefined reference to
> `boost::locale::generator::generate(std::basic_string<char,
> std::char_traits<char>, std::allocator<char> > const&) 
> const'
> /tmp/ccosf6nV.o: In function `boost::locale::info const&
> std::use_facet<boost::locale::info>(std::locale const&)':
> main.cpp:(.text._ZSt9use_facetIN5boost6locale4infoEERKT_RKSt6locale[boost::locale::info
> const& std::use_facet<boost::locale::info>(std::locale 
> const&)]+0xd):
> undefined reference to `boost::locale::info::id'
> /tmp/ccosf6nV.o: In function `std::basic_ostream<char,
> std::char_traits<char> >& boost::locale::operator<<
> <char>(std::basic_ostream<char, std::char_traits<char> >&,
> boost::locale::date_time const&)':
> main.cpp:(.text._ZN5boost6localelsIcEERSt13basic_ostreamIT_St11char_traitsIS3_EES7_RKNS0_9date_timeE[std::basic_ostream<char,
> std::char_traits<char> >& boost::locale::operator<<
> <char>(std::basic_ostream<char, std::char_traits<char> >&,
> boost::locale::date_time const&)]+0x18): undefined reference to
> `boost::locale::date_time::time() const'
> main.cpp:(.text._ZN5boost6localelsIcEERSt13basic_ostreamIT_St11char_traitsIS3_EES7_RKNS0_9date_timeE[std::basic_ostream<char,
> std::char_traits<char> >& boost::locale::operator<<
> <char>(std::basic_ostream<char, std::char_traits<char> >&,
> boost::locale::date_time const&)]+0x37): undefined reference to
> `boost::locale::ios_info::get(std::ios_base&)'
> main.cpp:(.text._ZN5boost6localelsIcEERSt13basic_ostreamIT_St11char_traitsIS3_EES7_RKNS0_9date_timeE[std::basic_ostream<char,
> std::char_traits<char> >& boost::locale::operator<<
> <char>(std::basic_ostream<char, std::char_traits<char> >&,
> boost::locale::date_time const&)]+0x3f): undefined reference to
> `boost::locale::ios_info::display_flags() const'
> main.cpp:(.text._ZN5boost6localelsIcEERSt13basic_ostreamIT_St11char_traitsIS3_EES7_RKNS0_9date_timeE[std::basic_ostream<char,
> std::char_traits<char> >& boost::locale::operator<<
> <char>(std::basic_ostream<char, std::char_traits<char> >&,
> boost::locale::date_time const&)]+0x8c): undefined reference to
> `boost::locale::ios_info::get(std::ios_base&)'
> main.cpp:(.text._ZN5boost6localelsIcEERSt13basic_ostreamIT_St11char_traitsIS3_EES7_RKNS0_9date_timeE[std::basic_ostream<char,
> std::char_traits<char> >& boost::locale::operator<<
> <char>(std::basic_ostream<char, std::char_traits<char> >&,
> boost::locale::date_time const&)]+0x99): undefined reference to
> `boost::locale::ios_info::display_flags(unsigned long)'
> main.cpp:(.text._ZN5boost6localelsIcEERSt13basic_ostreamIT_St11char_traitsIS3_EES7_RKNS0_9date_timeE[std::basic_ostream<char,
> std::char_traits<char> >& boost::locale::operator<<
> <char>(std::basic_ostream<char, std::char_traits<char> >&,
> boost::locale::date_time const&)]+0xc4): undefined reference to
> `boost::locale::ios_info::get(std::ios_base&)'
> main.cpp:(.text._ZN5boost6localelsIcEERSt13basic_ostreamIT_St11char_traitsIS3_EES7_RKNS0_9date_timeE[std::basic_ostream<char,
> std::char_traits<char> >& boost::locale::operator<<
> <char>(std::basic_ostream<char, std::char_traits<char> >&,
> boost::locale::date_time const&)]+0xd3): undefined reference to
> `boost::locale::ios_info::display_flags(unsigned long)'
> collect2: ld returned 1 exit status
> 
> On Thu, Jul 19, 2012 at 11:05 AM, Stanimir Mladenov
> <sta...@zo...> wrote:
>>  Sorry for bothering you! It should be my something wrong with my
>>  ubuntu development machine, so i will setup a new clean one and i bet
>>  the problem will disappear. If it doesn't then i will write back
>>  again.
>> 
>>  Actually, this looks to be very common problem, i.e. messing up
>>  something bad with multiple installations. That's why i am tring to do
>>  everything in a new virtual machine first, before posting again for
>>  help.
>> 
>>  On Thu, Jul 19, 2012 at 10:54 AM, Artyom Beilis <art...@ya...> 
> wrote:
>>>  - What exactly the error?
>>>  - What symbols are missing?
>>>  - How exactly do you link?
>>> 
>>>  Artyom Beilis
>>>  --------------
>>>  CppCMS - C++ Web Framework:  http://cppcms.com/
>>>  CppDB - C++ SQL Connectivity: http://cppcms.com/sql/cppdb/
>>> 
>>>  ________________________________
>>>  From: Stanimir Mladenov <sta...@zo...>
>>>  To: CppCMS users group <cpp...@li...>
>>>  Sent: Monday, July 16, 2012 7:10 PM
>>>  Subject: [Cppcms-users] Boost locale with icu backend static linking.
>>> 
>>>  Boost locale with dynamic linking works just fine. When i try to link
>>>  it statically i get bunch of unresolved externals.
>>> 
>>>  1. I did try with plain icu api call and static linking. Works.
>>>  2. I tried a simple libboost_filesystem api call with static linking. 
> Works.
>>> 
>>>  The only problem is when I try to link libboost_locale statically.
>>>  Does someone is able to statically link it?
>>> 
>>>  Greetings,
>>>  Stanimir
>>> 
>>> 
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