| | <<<Back 1 day (to 2019/03/25) | 20190326 |
| chrisl | Redfoxmoon: I don't see any reason why it should make a difference what the binary format is, but in any case, just don't use it: it has no advantage over the regular X11 gs devices | 07:40.12 |
| Foxie | well, the jpeg issue yesterday is completely resolved, turns out it was a pathing issue | 09:00.47 |
| | The X11 module on the other hand is missing a whole heap of objects when linking, what's up with that? | 09:01.07 |
| kens | Presumably you're building with X and you don't have the x development stuff ? | 09:02.15 |
| chrisl | Foxie: well, again, it works for me, and a *lot* of linux distributions so..... I don't know. | 09:02.27 |
| Foxie | I do | 09:02.32 |
| | My target uses PE, not ELF:-) | 09:02.47 |
| | If any symbols are missing at link time, it fails | 09:03.39 |
| chrisl | So, no DLLs then | 09:03.54 |
| Foxie | Sure you can use dynamic link libraries, but you need to explicitly link with them | 09:04.41 |
| | Say X11.so needs symbols present in gsparam.c which is not pulled in when it's built | 09:05.07 |
| | that's one example I can think of right now... | 09:05.15 |
| chrisl | So, there's no support for dlopen() etc | 09:05.41 |
| Foxie | dlopen(3) and friends are supported | 09:21.12 |
| chrisl | Well, I can see no reason for the dynamic devices not to work.... | 09:22.37 |
| Foxie | Okay let me re-phrase, the file gsparam.c, is that supported to be part of libgs? | 09:24.38 |
| chrisl | Yes | 09:26.20 |
| Foxie | just trying to understand how to fix this properly | 09:26.25 |
| | ah, I see | 09:26.26 |
| chrisl | You could just leave the dynamic devices out | 09:27.12 |
| Foxie | I just disabled X11 support, and it built fine | 09:27.27 |
| | I guess if you were to build gs on linux with -no-undefined it wouldn't work | 09:28.08 |
| chrisl | The reason for the X11.o stuff is so distros can do ghostscript and ghostscript-nox packages without building two complete executables | 09:28.48 |
| Foxie | Makes sense | 09:30.39 |
| chrisl | Although, gsparam.c doesn't seem to be in the mix, there.... | 09:31.19 |
| | Foxie: Also, I just reread what you said and X11.o should only be "linked" at run time | 09:33.44 |
| Foxie | well yes, ELF allows runtime linkage | 09:35.12 |
| chrisl | So does PE | 09:36.15 |
| | We, in fact, use that capability in our Windows binary | 09:36.53 |
| Foxie | PE enforces -no-undefined, of course dynamic libraries can still be loaded at runtime | 09:42.35 |
| | but all dependencies must be specified at compile time | 09:43.34 |
| chrisl | Strange, the LoadLibrary docs seem to leave out that detail. Kind of buggers up using DLLs as optional plugins - which is strange given so many applications support that | 09:55.03 |
| Foxie | not at all! | 10:02.08 |
| | If you have a base dll and a plugin system, you just link the plugin dlls with the base dll at compile time | 10:02.44 |
| | then LoadLibrary them if you want to use them | 10:02.49 |
| chrisl | So... dlopen is supported, but has different requirements? | 10:04.37 |
| Foxie | If you attempt to dlopen(3) a library that has unresolved dependencies it'll fail just like on linux | 10:05.29 |
| chrisl | Ah, I bet that the linker doesn't support the -shared option | 10:09.51 |
| | Or has different requirements compared to "real" Unix systems | 10:12.15 |
| | For GNU ld at least: -shared "This is currently only supported on ELF, XCOFF and SunOS platforms" | 10:13.12 |
| Foxie | :-) | 10:17.01 |
| | If you want you can come to #midipix / midipix.org | 10:17.21 |
| | we've got at least two windows experts:-) | 10:17.32 |
| chrisl | Thanks, but I have enough on my plate - I'll stick to Linux. You might suggest that if it's not supported, passing -shared to the linker should cause a specific error. That would have saved us both time | 10:19.11 |
| Foxie | -shared is supported | 10:20.37 |
| | but alright, I'll see if I can fix the linking issue in a clean way | 10:21.13 |
| | Can I submit build system patches here? | 10:21.29 |
| chrisl | bugs.ghostscript.com | 10:21.45 |
| | Foxie: Maybe add --allow-shlib-undefined to the X11.o build rule? | 10:31.12 |
| | Forward 1 day (to 2019/03/27)>>> | |
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