Weird Link Error

[Daniel]

I have searched everywhere and I can't find anything so I decided 
to come here. I have a simple Hello World program in the file 
Test.d, it compiles just fine but when I try this...

[daniel at arch D]$ dmd Test.o
/usr/lib/libphobos2.a(dmain2_459_1a5.o): In function 
`_D2rt6dmain24mainUiPPaZi7runMainMFZv':
(.text._D2rt6dmain24mainUiPPaZi7runMainMFZv+0x10): undefined 
reference to `_Dmain'
/usr/lib/libphobos2.a(deh2_43b_525.o): In function 
`_D2rt4deh213__eh_finddataFPvZPS2rt4deh29FuncTable':
(.text._D2rt4deh213__eh_finddataFPvZPS2rt4deh29FuncTable+0x4): 
undefined reference to `_deh_beg'
/usr/lib/libphobos2.a(deh2_43b_525.o): In function 
`_D2rt4deh213__eh_finddataFPvZPS2rt4deh29FuncTable':
(.text._D2rt4deh213__eh_finddataFPvZPS2rt4deh29FuncTable+0xc): 
undefined reference to `_deh_beg'
/usr/lib/libphobos2.a(deh2_43b_525.o): In function 
`_D2rt4deh213__eh_finddataFPvZPS2rt4deh29FuncTable':
(.text._D2rt4deh213__eh_finddataFPvZPS2rt4deh29FuncTable+0x13): 
undefined reference to `_deh_end'
/usr/lib/libphobos2.a(deh2_43b_525.o): In function 
`_D2rt4deh213__eh_finddataFPvZPS2rt4deh29FuncTable':
(.text._D2rt4deh213__eh_finddataFPvZPS2rt4deh29FuncTable+0x36): 
undefined reference to `_deh_end'
/usr/lib/libphobos2.a(thread_18f_1b8.o): In function 
`_D4core6thread6Thread6__ctorMFZC4core6thread6Thread':
(.text._D4core6thread6Thread6__ctorMFZC4core6thread6Thread+0x1d): 
undefined reference to `_tlsend'
/usr/lib/libphobos2.a(thread_18f_1b8.o): In function 
`_D4core6thread6Thread6__ctorMFZC4core6thread6Thread':
(.text._D4core6thread6Thread6__ctorMFZC4core6thread6Thread+0x24): 
undefined reference to `_tlsstart'
/usr/lib/libphobos2.a(thread_19f_6e4.o): In function 
`thread_attachThis':
(.text.thread_attachThis+0xb7): undefined reference to `_tlsstart'
/usr/lib/libphobos2.a(thread_19f_6e4.o): In function 
`thread_attachThis':
(.text.thread_attachThis+0xbc): undefined reference to `_tlsend'
/usr/lib/libphobos2.a(thread_17d_1b8.o): In function 
`_D4core6thread6Thread6__ctorMFPFZvkZC4core6thread6Thread':
(.text._D4core6thread6Thread6__ctorMFPFZvkZC4core6thread6Thread+0x1d): 
undefined reference to `_tlsend'
/usr/lib/libphobos2.a(thread_17d_1b8.o): In function 
`_D4core6thread6Thread6__ctorMFPFZvkZC4core6thread6Thread':
(.text._D4core6thread6Thread6__ctorMFPFZvkZC4core6thread6Thread+0x27): 
undefined reference to `_tlsstart'
/usr/lib/libphobos2.a(thread_17e_1b8.o): In function 
`_D4core6thread6Thread6__ctorMFDFZvkZC4core6thread6Thread':
(.text._D4core6thread6Thread6__ctorMFDFZvkZC4core6thread6Thread+0x1d): 
undefined reference to `_tlsend'
/usr/lib/libphobos2.a(thread_17e_1b8.o): In function 
`_D4core6thread6Thread6__ctorMFDFZvkZC4core6thread6Thread':
(.text._D4core6thread6Thread6__ctorMFDFZvkZC4core6thread6Thread+0x27): 
undefined reference to `_tlsstart'
/usr/lib/libphobos2.a(thread_17a_713.o): In function 
`thread_entryPoint':
(.text.thread_entryPoint+0x64): undefined reference to `_tlsend'
/usr/lib/libphobos2.a(thread_17a_713.o): In function 
`thread_entryPoint':
(.text.thread_entryPoint+0x6a): undefined reference to `_tlsstart'
collect2: error: ld returned 1 exit status
--- errorlevel 1

I would try to solve the problem myself, except that I have no 
clue wtf this means.