Nim cross compilation to C -


i wrote nim program,

echo("hello.")

and tried cross compile linux machine,

nim c --cpu:i386 --os:linux -c hello.nim

this produced following output:

config/nim.cfg(45, 2) hint: added path: '/users/connor/.babel/pkgs/' [path] config/nim.cfg(46, 2) hint: added path: '/users/connor/.nimble/pkgs/' [path] hint: used config file '/usr/local/lib/nim-0.10.2/config/nim.cfg' [conf] hint: system [processing] hint: hello [processing] hint: operation successful (8753 lines compiled; 0.140 sec total; 14.148mb)[successx]

at point changed nimcache/ directory , tried execute:

gcc hello.c -o hello.o

but gave me error:

hello.c:5:10: fatal error: 'nimbase.h' file not found #include "nimbase.h"          ^ 1 error generated.

i thought, "no biggie, i'll find nimbase.h , drop in nimcache directory there," after got new error,

in file included hello.c:5: ./nimbase.h:385:28: error: 'assert_numbits' declared array       negative size   ...sizeof(ni) == sizeof(void*) && nim_intbits == sizeof(ni)*8 ? 1 : -1];      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 error generated.

i'm not sure i'm supposed that. had tried use --genscript option, resulted in similar errors. i'm running os x yosemite.

thanks!

update:

i wasn't sure how many architectures supported --cpu: option, found (partial?) list on what makes nim practical blog post. ended calling,

nim c --cpu:amd64 --os:linux -c hello.nim

this prevented error saw when compiling on linux box. if you're using linux or os x not sure cpu architecture can call,

less /proc/cpuinfo

the last problem because you're running gcc x86_64 arch, while sources generated i386 arch.


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