Shootout pidigits code, new shootout directory in examples and moved existing shootout code to it

[yledu]

#693

[pao]

Makes no such assumption; timing.jl is in . and bigint.jl will be on the search path regardless. You can drop this comment.

[pao]

Someone also needs to find out if the libgmp_wrapper.c change gets picked up by make. Will need to pull this into a local branch of master and make without cleaning external first. I won't be able to do it for ~14h or so.

Thanks @yledu, I think this is close pending the dlopen() issue and knowledge of whether we need to either fix the makefiles or send a special note out to -dev (or hopefully neither).

[pao]

And note that since this is now a pull request on a branch (instead of a single commit), you can push new commits with any additional changes onto this branch on Github and they'll automagically show up here.

[StefanKarpinski]

Thanks, @yledu. @pao: if you're happy with this, go ahead and merge it.

[pao]

Doesn't run right now but that's due to an unrelated issue with printf(). No reason to delay this.

[StefanKarpinski]

Oops. I get the following error on make testall in the BigInt tests:

     * bigint
dlopen(libgmp_wrapper.so.bundle, 2): image not found
could not load module libgmp_wrapper.so
 in dlopen at base.jl:94
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in load at util.jl:176
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in load at util.jl:176
 in runtests at ./runtests.jl:3
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in load at util.jl:176
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in load at util.jl:176
 in load at util.jl:188
 in runtests at ./runtests.jl:3
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in process_options at client.jl:175
 in _start at client.jl:213
at ../extras/bigint.jl:1
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in load at util.jl:176
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in load at util.jl:176
 in runtests at ./runtests.jl:3
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in load at util.jl:176
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in load at util.jl:176
 in load at util.jl:188
 in runtests at ./runtests.jl:3
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in process_options at client.jl:175
 in _start at client.jl:213
at bigint.jl:2
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in load at util.jl:176
 in runtests at ./runtests.jl:3
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in load at util.jl:176
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in load at util.jl:176
 in load at util.jl:188
 in runtests at ./runtests.jl:3
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in process_options at client.jl:175
 in _start at client.jl:213
at default.jl:21
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in load at util.jl:176
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in load at util.jl:176
 in load at util.jl:188
 in runtests at ./runtests.jl:3
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in process_options at client.jl:175
 in _start at client.jl:213
at all.jl:1
 in load at util.jl:199
 in runtests at ./runtests.jl:3
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in process_options at client.jl:175
 in _start at client.jl:213
at ./runtests.jl:48
 in include at /Users/stefan/projects/julia/src/boot.jl:198
 in process_options at client.jl:175
 in _start at client.jl:213
make[1]: *** [all] Error 1
make: *** [testall] Error 2

[pao]

I hate our Makefiles. make testall WFM until it gets to perf. I didn't have to clean first, but you might want to give that a try. (The problem I ran into with printf is now #706.)

[StefanKarpinski]

It doesn't show up on Linux because the .so DLL extension is correct there. On OS X it breaks. Easy fix.

[pao]

Oh, I saw the line had changed to get rid of the hardcoded path, but didn't realize it hadn't quite made it all the way back to where it started. D'oh!