Re: date_time link or compile problem

From: Russell Hind (yg-boost-users_at_[hidden])
Date: 2003-05-08 02:23:51

There is a link error in 1.29.0 that is solved by #define 
BOOST_DATE_TIME_INLINE before including the date_time headers.

It has been changed in 1.30.0 so this define isn't needed.

HTH

Russell

Jimmy Pritts wrote:
> I have boost 1.29 and gcc 3.2.2 on Linux.  Here is the simple
> code I am trying to compile:
> 
> #include <string>
> #include "boost/date_time/gregorian/gregorian.hpp"
> 
> int main() 
> { 
>   using namespace std;
>   using namespace boost::gregorian;
> 
>   string ds("2002/1/25");
>   date d1(from_string(ds));
> 
>   return 0;
> }
> 
> I get the following link error:
> 
> make
> g++ main.cc -lstdc++  -o test 
> /tmp/ccph1inq.o(.gnu.linkonce.t._ZN5boost9date_time4dateINS_9gregorian4dateENS2_18gregorian_calendarENS0_13date_durationIlEEEC2ERKNS0_19year_month_day_baseINS2_9greg_yearENS2_10greg_monthENS2_8greg_dayEEE+0x11): In function `boost::date_time::date<boost::gregorian::date, boost::gregorian::gregorian_calendar, boost::date_time::date_duration<long> >::date[not-in-charge](boost::date_time::year_month_day_base<boost::gregorian::greg_year, boost::gregorian::greg_month, boost::gregorian::greg_day> const&)':
> : undefined reference to `boost::date_time::gregorian_calendar_base<boost::date_time::year_month_day_base<boost::gregorian::greg_year, boost::gregorian::greg_month, boost::gregorian::greg_day>, unsigned long>::day_number(boost::date_time::year_month_day_base<boost::gregorian::greg_year, boost::gregorian::greg_month, boost::gregorian::greg_day> const&)'
> collect2: ld returned 1 exit status
> make: *** [test] Error 1
> 
> The missing symbol does not seem to be in the static library libboost_date_time.a, so I don't think I need to link to that.  Any suggestions? 
> 
> Thanks in advance,
>   Jimmy.
> 
> 
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