[Tango] Linker error when using tango.io.file

[Lars Ivar Igesund]

Timo Gransch wrote:

> Hello!
> 
> After a couple of months, I wanted to write a small programm using DMD
> 1.028 and Tango 0.99.6 (Jeff) on Linux. Both were installed using the
> install script from the DWT Page (
> http://www.dsource.org/projects/dwt/wiki/SetupLinux ). I use CodeBlocks
> 8,02 as my IDE.
> 
> Unfortunately my code fails to compile as soon as I try to use
> tango.io.File.
> 
> This sample code compiles fine:
> 
> module test;
> 
> import tango.io.Console;
> import tango.io.File;
> 
> int main()
> {
>     File f=null;
> 
>     Cout ("Test of Tango file functions").newline;
> 
>     //f=File("text.txt");
> 
>     return 0;
> }
> 
> But as soon as I uncomment the line "f=File("text.txt");", I get the
> following message when linking:
> 
> Compiling: test.d
> Linking console executable: bin/Debug/test-tango
> /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../../lib/libtango-user-dmd.a(tango.time.Time.o)
> (.data._D48TypeInfo_E5tango4time4Time8TimeSpan11__anonymous6__initZ+0x8):
> undefined reference to `_D10TypeInfo_l6__initZ'
> /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../../lib/libtango-user-dmd.a(tango.time.Time.o)
> (.data._D44TypeInfo_E5tango4time4Time4Time11__anonymous6__initZ+0x8):
> undefined reference to `_D10TypeInfo_l6__initZ'
> collect2: ld returned 1 exit status
> Process terminated with status 1 (0 minutes, 0 seconds)
> 0 errors, 0 warnings
> 
> I'm linking with libpthread.a, libm.a, libtango-base-dmd.a and
> libtango-user-dmd.a. Am I missing another library?
> 
> Best regards and thanks in advance,
> Timo

Without me having seen that exact error, it sounds like one of the issues
with anonymous stuff in that particular range of DMD compilers. If
possible, you should upgrade to DMD 1.033 (or alternatively downgrade to
DMD 1.027).

-- 
Lars Ivar Igesund
blog at http://larsivi.net
DSource, #d.tango & #D: larsivi
Dancing the Tango