Help to improve speed

[Jacob Carlborg]

Anders F Björklund wrote:
> Walter Bright wrote:
>> Jacob Carlborg wrote:
>>> Of course I should have mentioned that I use gdc osx so that switches 
>>> won't work.
>>
>> Does gcov work with gdc?
> 
> It does, and gdmd has a -cov wrapper argument for the required flags...
> 
> http://www.digitalmars.com/d/archives/D/gnu/1563.html
> 
> And yes, that was on Mac OS X too.
> 
> --anders

If I use the -cov switch or the switches in the link (-fprofile-arcs 
-ftest-coverage) I get this output, building with dsss:

Undefined symbols:
   "___gcov_init", referenced from:
       global constructors keyed to 0__D10phonecode23mapHaain _phonecode2.o
       global constructors keyed to 
0__D5tango2io11FileConduit11FileConduit5Style6__initZin 
tango.io.FileConduit.o
       global constructors keyed to 
0__D5tango3sys6Common8SysError6__initZin tango.sys.Common.o
       global constructors keyed to 
0__usr_bin_.._include_d_4.1.2_tango_stdc_stdint.d_9D3C70F3_1B27AB12in 
tango.stdc.stdint.o
       global constructors keyed to 
0__D5tango4stdc5posix3sys4stat6stat_t6__initZin tango.stdc.posix.sys.stat.o
       global constructors keyed to 0__D5tango4stdc5errno5errnoFZiin 
tango.stdc.errno.o
       global constructors keyed to 
0__D5tango2io8FilePath8FilePath6opCallFAaZC5tango2io8FilePath8FilePathin 
tango.io.FilePath.o
       global constructors keyed to 0__D5tango2io4Path2FS6__initZin 
tango.io.Path.o
       global constructors keyed to 
0__D5tango4time4Time8TimeSpan6__initZin tango.time.Time.o
       global constructors keyed to 0_EOFin tango.stdc.stdio.o
       global constructors keyed to 
0__D5tango2io13DeviceConduit13DeviceConduit5errorMFZvin 
tango.io.DeviceConduit.o
       global constructors keyed to 
0__D5tango2io7Conduit7Conduit7isAliveMFZbin tango.io.Conduit.o
       global constructors keyed to 
0__D5tango4text7convert3Utf8toStringFAuAaPkZAain tango.text.convert.Utf.o
       global constructors keyed to 
0__D5tango2io6Stdout12_staticCtor1FZvin tango.io.Stdout.o
       global constructors keyed to 
0__D5tango4text7convert5Float7__enum16__initZin tango.text.convert.Float.o
       global constructors keyed to 
0__D5tango4text7convert7Integer5Style6__initZin tango.text.convert.Integer.o
       global constructors keyed to 
0__D5tango2io7Console7Console6__initZin tango.io.Console.o
       global constructors keyed to 
0__D5tango2io6Buffer6Buffer8overflowAain tango.io.Buffer.o
       global constructors keyed to 
0__D5tango4text5Ascii7toLowerFAaAaZAain tango.text.Ascii.o
       global constructors keyed to 
0__D5tango4text5Regex15RegExpException5_ctorMFAaZC5tango4text5Regex15RegExpExceptionin 
tango.text.Regex.o
       global constructors keyed to 0__D5tango4math4Math1Eein 
tango.math.Math.o
       global constructors keyed to 0_HUGE_VALin tango.stdc.math.o
       global constructors keyed to 
0__D5tango4math4IEEE9TANGO_NAN6__initZin tango.math.IEEE.o
       global constructors keyed to 0__D5tango4text4Util5jhashFPhkkZkin 
tango.text.Util.o
       global constructors keyed to 
0__D5tango4time9StopWatch9StopWatch6__initZin tango.time.StopWatch.o
   "___gcov_merge_add", referenced from:
       ___mod_ref in _phonecode2.o
       ___mod_ref in tango.io.FileConduit.o
       __data at 0 in tango.sys.Common.o
       __data at 0 in tango.stdc.stdint.o
       __data at 0 in tango.stdc.posix.sys.stat.o
       __data at 0 in tango.stdc.errno.o
       ___mod_ref in tango.io.FilePath.o
       ___mod_ref in tango.io.Path.o
       __data at 0 in tango.time.Time.o
       ___mod_ref in tango.stdc.stdio.o
       __D5tango2io13DeviceConduit13DeviceConduit7__ClassZ in 
tango.io.DeviceConduit.o
       __D5tango2io7Conduit12OutputFilter7__ClassZ in tango.io.Conduit.o
       __data at 0 in tango.text.convert.Utf.o
       ___mod_ref in tango.io.Stdout.o
       __D5tango4text7convert5Float5pow10FkZe6PowersAe in 
tango.text.convert.Float.o
       __data at 0 in tango.text.convert.Integer.o
       ___mod_ref in tango.io.Console.o
       __D5tango2io6Buffer6Buffer7__ClassZ in tango.io.Buffer.o
       __D5tango4text5Ascii7isearchFAaAaZi8_caseMapAa in tango.text.Ascii.o
       ___mod_ref in tango.text.Regex.o
       ___mod_ref in tango.math.Math.o
       __data at 0 in tango.stdc.math.o
       ___mod_ref in tango.math.IEEE.o
       __data at 0 in tango.text.Util.o
       ___mod_ref in tango.time.StopWatch.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
Error: Command failed, aborting.
Command /usr/bin/rebuild returned with code 65280, aborting.