Library is built wrong on OSX

[carlor]

Building a file which shows Hello World (hiworld.d) in Mac OS 10.7:

$ dmd hiworld.d -I'libX11' libX11/lib/libDX11-dmd.a 
ld: warning: ignoring file libX11/lib/libDX11-dmd.a, file was built for archive which is not the architecture being linked (x86_64)
Undefined symbols for architecture x86_64:
  "_XCloseDisplay", referenced from:
      __Dmain in hiworld.o
  "_XMapWindow", referenced from:
      __Dmain in hiworld.o
  "_D6deimos3X114Xlib6XEvent6__initZ", referenced from:
      __Dmain in hiworld.o
  "_XOpenDisplay", referenced from:
      __Dmain in hiworld.o
  "_RootWindow", referenced from:
      __Dmain in hiworld.o
  "_XDrawString", referenced from:
      __Dmain in hiworld.o
  "_DefaultScreen", referenced from:
      __Dmain in hiworld.o
  "_BlackPixel", referenced from:
      __Dmain in hiworld.o
  "_DefaultGC", referenced from:
      __Dmain in hiworld.o
  "_WhitePixel", referenced from:
      __Dmain in hiworld.o
  "_XFillRectangle", referenced from:
      __Dmain in hiworld.o
  "_XCreateSimpleWindow", referenced from:
      __Dmain in hiworld.o
--- errorlevel 1
  "_XSelectInput", referenced from:
      __Dmain in hiworld.o
  "_XNextEvent", referenced from:
      __Dmain in hiworld.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status

[MartinNowak]

You need to link against libX11 too (-L-lX11).

[CyberShadow]

I'm guessing this is now solved or no longer relevant, thus closing, but let me know if this should be reopened.