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Welcome to the main channel on the development of MoarVM, a virtual machine for NQP and Rakudo (moarvm.org). This channel is being logged for historical purposes. Set by lizmat on 24 May 2021. |
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| Nicholas | good UGT, #moarvm | 09:12 | |
| nine | good time for greeting | 09:17 | |
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| timo | greetste gemeinsame timer | 10:14 | |
| MasterDuke | collect2: error: ld returned 1 exit status | 10:22 | |
| /usr/bin/ld: inst-rakudo.o: undefined reference to symbol 'mi_free' | |||
| /usr/bin/ld: /usr/lib/libmimalloc.so.2.0: error adding symbols: DSO missing from command line | |||
| could swear i got the same error when switching to gmp | 10:23 | ||
| but don't remember what i did wrong/what the fix was... | |||
| oh, and related to all this. looks like we might need to make cmake a moarvm build dependency. anyone have any objections to that? | 10:25 | ||
| timo | it's possible the order of stuff is wrong in the linker list of libraries | 10:26 | |
| or, i dare not say, missing? | 10:38 | ||
| Nicholas | cmake is a right bloody pain to build from source | 10:44 | |
| MasterDuke | cmake is what's used to build mimalloc. i assume most of the systems we support have pre-built packages for cmake | 10:47 | |
| Nicholas | several of the gcc compiler farm machines don't, and on some I've given up trying to build cmake from source | 10:48 | |
| it's that bad. | |||
| it's not worth it as a *hard* dependency for mimalloc | |||
| timo | wow | 11:01 | |
| we use the gcc compiler farm machines for platforms we dont have any of ourselves? | 11:02 | ||
| Nicholas | for some value of "we" | 11:05 | |
| timo | no u | 11:07 | |
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| Nicholas | but to be clear, by "hard" I meant - if Configure.pl detects cmake then using mimalloc instead of regular malloc sounds like a win. But yes, that's more complex. | 11:17 | |
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| MasterDuke | why do i pick these project that require knowledge i don't have? i don't know anything about linking, compiling c programs, etc. now moarvm builds and seems to be linking against the the 3rdparty mimalloc, but rakudo running compilation dies with `/usr/bin/ld: inst-rakudo.o: in function `MVM_malloc': | 21:11 | |
| *rakudo runner | |||
| `/home/dan/Source/perl6/install/include/moar/core/alloc.h:2: undefined reference to `mi_malloc'` | 21:12 | ||
| nine | MasterDuke: because you can hardly learn anything from doing things you already know everything about | 21:48 | |
| MasterDuke: rakudo's build system also needs to link mimalloc | |||
| MasterDuke | yeah, i thought it picked up the stuff from moarvm's configuration | 21:49 | |
| e.g., rakudo's Makefile does have $PREFIX/include/mimalloc.h already listed in its includes | 21:51 | ||
| nine | But what about -lmimalloc or something like that? | 21:53 | |
| Could be you just missed a spot in MoarVM's configuration system that'd be supposed to forward this information. | 21:54 | ||
| Gotta go, but FWIW build systems are just the worst | |||
| MasterDuke | what's throwing me off is that i'm looking at the gmp pr and mirroring the changed i made there (where i think i saw that same error before and then ended up with a fix) | ||
| japhb | MasterDuke: See #raku-dev -- I think the ?? !! warning you added might be over-conservative; can you take a look? | 21:55 | |
| MasterDuke | i added -lmimalloc originally, but that just links to the "system" mimalloc, we want to link to the bundled libmimalloc.a | ||
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| japhb | Actually, should say this here: | 22:27 | |
| Lots of pointer size and signedness warnings building MoarVM on RPi4 + Raspbian (32-bit) | |||
| moon-child | signedness is probably because char is unsigned | 22:28 | |
| japhb | moon-child: Nah, comparisons between 'int' and 'MVMuint32' | 22:29 | |
| moon-child | ah, huh | ||
| japhb | e.g. callstack.c: if (region->alloc_limit - region->alloc < diff) | 22:30 | |