Difference between revisions of "Talk:FFI complete examples"
Jump to navigation
Jump to search
(FIXED IT!!!) |
(Replacing page with 'How does one interface with a C enum?') |
||
| Line 1: | Line 1: | ||
| + | How does one interface with a C enum? |
||
| − | Update: The following problem is solved by renaming charm.hs to hscharm.hs, so that the corresponding charm.o doesn't override the charm.o produced during compilation of charm.c. |
||
| − | |||
| − | ncurses is proving too difficult to setup, so I'm working on a new library called charm. The C code works by itself, but I can't compile a Haskell wrapper for it. While the tutorials at HaskellWiki are helpful, they're outdated. Argh! The docs say that -#include pragmas no longer work, but fail to explain how to load code without them. Suffice to say I have no recourse but trial and error. |
||
| − | |||
| − | charm |
||
| − | [https://github.com/mcandre/charm] |
||
| − | |||
| − | hscharm |
||
| − | [https://github.com/mcandre/hscharm] |
||
| − | |||
| − | $ make |
||
| − | cp /usr/include/charm.c . |
||
| − | ghc --make -fforce-recomp -o hellocharm hellocharm.hs charm.hs charm.c -I/usr/include -dylib-install-name /usr/lib/libcharm.dynlib |
||
| − | [1 of 2] Compiling Charm ( charm.hs, charm.o ) |
||
| − | [2 of 2] Compiling Main ( hellocharm.hs, hellocharm.o ) |
||
| − | Linking hellocharm ... |
||
| − | ld: duplicate symbol _Charm_getWidth_info in charm.o and charm.o |
||
| − | collect2: ld returned 1 exit status |
||
| − | make: *** [hellocharm] Error 1 |
||
Latest revision as of 07:34, 14 July 2011
How does one interface with a C enum?