That was the exact problem.
I could have spent days to find out
this (I am new to C++ and such tricky things weren't in my book)
Thank you for your efficient help !
Internet
raulh39@ya.com
Envoyé par : boost-users-bounces@lists.boost.org
16/01/2008 21:05
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| Re: [Boost-users] problems linking boost_date_time |
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On Tue, 15 Jan 2008 21:47:39 +0100
jerome.wacongne@fxoverlay.com wrote:
> Hi,
>
> Here is what I get when I try to link my unit tests agains
> boost_date_time.
>
> g++ -LC:\dev\workspace\fxoverlayFundation\Debug
> -LC:\dev\workspace\fxoverlayBusiness\Debug -LC:\dev\boost_1_34_1\stage\lib
> -ofxoverlayBusinessTests.exe emptyTests.o allTests.o InterestRateTests.o
> InterestCurveTests.o -lboost_date_time-mgw34-d-1_34_1
> -lboost_unit_test_framework-mgw34-d-1_34_1 -lfxoverlayBusiness
> -lfxoverlayFundation
> C:\dev\workspace\fxoverlayBusiness\Debug/libfxoverlayBusiness.a(InterestCurve.o):
> In function
> `ZSt10_ConstructISt4pairIKSsN3com9fxoverlay8business1
> 2InterestRateEES6_EvPT_RKT0_': ... undefined
> reference to `boost::gregorian::greg_month::as_long_string() const'
>
Libraries should be listed (with the -l option) in "ascending order
of use", that is, if library A uses library B, then library B should
be listed after A.
The error message says that libfxoverlayBusiness.a uses boost::gregorian,
that is, libboost_date_time-mgw34-d-1_34_1.a, so libboost_date_time-mgw34-d-1_34_1.a
should be listed after libfxoverlayBusiness.a, but you have listed it before.
So: try to change the order of the "*.o" and "*.a"
to make the linker happy. ;)
HTH,
Raul.
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