DMD 2.0562

[Lars T. Kyllingstad]

On Fri, 18 Feb 2011 15:26:20 +0000, Russel Winder wrote:

> I had thought std.date was deprecated, it actually seems to have been
> decimated?  Actually it seems to be trying to use datetime anyway?
> 
> 
> |> dmd -I. -O -release -inline -m64 -c -ofpi_d2_sequential.o
> pi_d2_sequential.d std.date and std.dateparse have been scheduled for
> deprecation. Please use std.datetime instead.
> 
> |> gcc -o pi_d2_sequential pi_d2_sequential.o
> -L/home/users/russel/lib.Linux.x86_64/DMD2/lib64 -lphobos2 -lpthread -lm
> /home/users/russel/lib.Linux.x86_64/DMD2/lib64/libphobos2.a
(datetime_434_1ec.o):
> In function `_D3std8datetime5Clock11currStdTimeFNdNeZl':
> std/datetime.d:(.text._D3std8datetime5Clock11currStdTimeFNdNeZl+0x1d):
> undefined reference to `clock_gettime'
> /home/users/russel/lib.Linux.x86_64/DMD2/lib64/libphobos2.a
(time_10e_4d1.o):
> In function `_D4core4time12TickDuration12_staticCtor7OFNeZv':
> src/core/time.d:(.text._D4core4time12TickDuration12_staticCtor7OFNeZv
+0x1f):
> undefined reference to `clock_getres'
> /home/users/russel/lib.Linux.x86_64/DMD2/lib64/libphobos2.a
(time_10e_4d1.o):
> In function
> 
`_D4core4time12TickDuration14currSystemTickFNdNeZS4core4time12TickDuration':
> src/core/time.d:
(.text._D4core4time12TickDuration14currSystemTickFNdNeZS4core4time12TickDuration
+0x1f):
> undefined reference to `clock_gettime' collect2: ld returned 1 exit
> status

You need to link in librt.  Pass the -L-lrt option to DMD (or -lrt to 
GCC), and you get rid of the "undefined reference" errors.

-Lars