| Time |
Nickname |
Message |
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02:50
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JohnTalen has joined #jsmess |
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02:51
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JohnTalen |
Anyone familiar with Emscripten? It's pointing to native /usr/include. I'm getting the error:/usr/include/stdio.h:33:11: fatal error: 'stddef.h' file not found |
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02:51
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JohnTalen |
it should be looking at emscripten includes. |
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02:53
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JohnTalen |
hm it may be ac_includes_default. |
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03:15
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JohnTalen |
i can read system files fine with emscripten. i suppose i'll have to go through all the samples until it breaks. |
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03:25
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JohnTalen |
i was actually using this same configure file and file structure but debian, in it's infinite wisdom, decided to eat itself. no net drivers. so I installed another distro last night. |
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03:55
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JohnTalen |
SketchCow: To get a good idea on the status of v86 try removing the dial up adapter. you will see it restart/reboot. |
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03:56
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JohnTalen |
or rather,.. you won't. :) |
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05:17
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JohnTalen |
I am contemplating compiling not just llvm but everything else from scratch if I don't get online answers. |
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05:17
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bai |
if you install emscripten using emsdk, that's exactly what it does |
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05:17
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bai |
and that's what you should do, yes |
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05:18
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bai |
you want the entire toolchain compiled at the same time, to make sure you get versions that are in sync |
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05:18
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bai |
having other versions installed only complicates things |
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05:27
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JohnTalen |
bai: i had to compile llvm 4 to install LLVMgold.so. |
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05:27
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JohnTalen |
i need -flto. i'm suprised you didn't need it. |
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05:27
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JohnTalen |
bai: ^ |
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05:30
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JohnTalen |
SketchCow: http://pdp11.aiju.de/ |
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05:35
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bai |
dunno, guess mame and dosbox don't require that option |
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05:35
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bai |
have you seen this already? https://github.com/kripken/emscripten-fastcomp/blob/master/docs/GoldPlugin.rst |
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05:38
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JohnTalen |
yes. i have all that working. |
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05:38
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JohnTalen |
That's an old issue. |
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05:38
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JohnTalen |
It only works now because I manually recompiled LLVM4.0. |
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05:39
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JohnTalen |
at the moment it's looking at native include headers, partially and not correctly. |
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05:39
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JohnTalen |
I don't want it to look at *any* native headers. |
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05:39
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JohnTalen |
I have this configure script working 2 days ago and then it just changed. |
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05:39
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JohnTalen |
I reset the emscripten cache so it's not that and it's not the distro because I reinstalled everything last night. |
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05:47
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bai |
did you set up all the appropriate emscripten environment variables, including path? |
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05:49
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JohnTalen |
yes, activated latest, sourced the script file. |
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05:49
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JohnTalen |
I also set the vars ala https://gbalats.github.io/2015/12/10/compiling-autotooled-projects-to-LLVM-bitcode.html |
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05:59
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JohnTalen |
anything else? |
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06:07
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bai |
not that I can think of, but it sounds like maybe vice uses some compile-time options which mame and dosbox didn't |
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06:08
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JohnTalen |
perhaps. but I had this specific configure working with compiling vice using emscripten. |
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06:08
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JohnTalen |
i'm not sure what changed. |
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06:10
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JohnTalen |
i was to the point just before using emcc to link into js files. |
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06:10
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bai |
yeah, that's why I was wondering if it was some missing environment vars, I've definitely been in exactly this sort of scenario before where I had multiple versions installed and things were pointing to inconsistent locations |
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06:11
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JohnTalen |
bai: i just installed this configuration last night. |
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06:11
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JohnTalen |
then i installed g++ 6.2. installed emscripten, then compiled llvm4.0 for LLVMgold.so. |
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06:11
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JohnTalen |
how the heck did you get LLVMgold? |
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06:11
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JohnTalen |
Windoze? |
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06:14
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bai |
I have never had to deal with that before. I've always compiled on ubuntu systems |
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06:16
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JohnTalen |
bai: you don't use the '-flto' compiler option? |
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06:16
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bai |
not to my knowledge |
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06:23
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JohnTalen |
I took out all those options. still gets to that error. |
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06:24
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JohnTalen |
bai: of course only me and you working on the holidays! :) |
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07:13
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JohnTalen |
bai: I can read linux text files from the emscipten virtual file system fine in the browser. |
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07:14
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JohnTalen |
i think the problem may be the configure script. Something vital is missing. But again, i was using this to compile before. |
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08:22
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15:47
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20:09
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20:09
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20:09
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20:09
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20:52
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20:52
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20:52
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20:52
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20:52
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20:52
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20:52
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20:52
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20:52
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20:52
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21:13
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21:33
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22:30
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JohnTalen |
bai: have you used ar / llvm-ar / emar with emscripten? |
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22:30
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JohnTalen |
btw- I got past the error, i use emcc instead of clang. |
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22:32
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bai |
I mean if I'm working with ar or emcc directly that normally means I'm off in egregious-hack land, is the thing |
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22:33
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bai |
like I took a wrong turn at albuquerque |
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22:33
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JohnTalen |
hehe. |
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22:33
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JohnTalen |
it says my ar is too old. |
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22:33
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bai |
normally if those are giving me problems, it's because something is wrong with my environment and it's calling the wrong version of the tools, not the ones which emscripten expects |
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22:34
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JohnTalen |
I have tried export AR=emar AR=llvm-ar to no different avail. |
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22:34
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JohnTalen |
i even tried the test the configure uses to generate that error message. it works then. |
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22:35
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JohnTalen |
it works if I type the tests out. |
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22:35
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JohnTalen |
that is. |
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22:35
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bai |
you're using "emconfigure ./configure" when building, right? not running configure directly? |
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22:35
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JohnTalen |
emconfigure ./configure --enable-debug -enable-sdlui --with-sdlsound --without-residfp --without-resid CC=emcc CXX=emcc |
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22:36
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bai |
seems reasonable yeah |
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22:37
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JohnTalen |
emar: ['/home/john/Downloads/2017/dev/emularity/emscripten/emsdk/emsdk-portable/emscripten/1.37.14/emar', 'x', 'libvicetest.a'] ==> ['/home/john/Downloads/2017/dev/emularity/emscripten/emsdk/emsdk-portable/clang/e1.37.14_64bit/llvm-ar', 'x', 'libvicetest.a'] |
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22:37
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JohnTalen |
yes |
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22:38
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JohnTalen |
configure: error: ar is too old, upgrade your ar |
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22:38
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DFJustin |
sounds like something that could be filed as a bug against emscripten |
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22:39
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JohnTalen |
'if test -f some_long_object_name.o; then' is the actual script determiner in this case. |
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22:41
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JohnTalen |
DFJustin: thanks. |
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22:44
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JohnTalen |
hm, the determiner is /usr/bin/test. |
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22:44
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JohnTalen |
so i'm not so sure about that. |
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22:46
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JohnTalen |
test works correctly. |
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22:48
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JohnTalen |
ha got it! |
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22:48
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JohnTalen |
instead of producing some_long.so it produces some_long_d380e396.o |
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22:48
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bai |
weird |
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22:49
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JohnTalen |
so emar is weird like that! :) |
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22:50
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JohnTalen |
you're right DFJustin! |
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22:50
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JohnTalen |
DFJustin++; |
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22:53
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JohnTalen |
using llvm-ar instead and WORKING! |
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22:56
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JohnTalen |
just gotta install SDL-dev stuff on this unix box. |
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22:56
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JohnTalen |
i love saying that.. 'unix box'. |
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22:56
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JohnTalen |
whewhoo. finally getting somewhere. |
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22:58
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DFJustin |
yes em-ar intentionally adds a checksum to the filename to avoid problems when projects have multiple .o files with the same name (which happened in mame) |
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23:00
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DFJustin |
without that you're likely to get missing symbol issues as it only ends up using one of the identically-named files |
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23:03
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DFJustin |
so I guess the configure script needs tweaking |
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23:23
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JohnTalen |
DFJustin: The configure script was done. I used llvm-ar instead of emar. llvm-ar works as intended. I just have to work on the make process. but progress! |
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23:33
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JohnTalen |
have you guys used sdl1.2 with emscripten? |
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23:36
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bai |
yeah early builds of jsmess used sdl1.2 (or maybe 1.3, I forget)...emscripten handles sdl1.2 very differently than 2.x |
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23:37
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JohnTalen |
everything SDL is yes, except for: checking SDL/SDL.h presence... no |
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23:37
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JohnTalen |
configure: WARNING: SDL/SDL.h: accepted by the compiler, rejected by the preprocessor |
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23:37
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JohnTalen |
i want to use 1.2 for now because that is what vice.js uses. |
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23:37
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bai |
emscripten emulates sdl1.2 purely in js, they override all the functions with library equivalents in https://github.com/kripken/emscripten/blob/master/src/library_sdl.js |
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23:37
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JohnTalen |
then i will upgrade. |
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23:38
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JohnTalen |
ok |
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23:38
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bai |
whereas sdl2 uses emscripten's ports system, which just pulls down the release version of sdl2 from source and builds it for you |
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23:38
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JohnTalen |
bai: how should I go about this then?? |
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23:39
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bai |
generally speaking the sdl1.2 support was solid enough, if the app was written for 1.2 and doesn't have a 2.0 codepath then just stick with that |
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23:39
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bai |
but if it's a matter of a compile-time flag to switch between 1.2 and 2.0, go with 2.0 |
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23:40
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JohnTalen |
okay. but how do I employ sdl 1.2 into the configure or do I have to? |
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23:41
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bai |
emcc needs to be configured to receive the -s USE_SDL=1 argument, I believe |
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23:41
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JohnTalen |
ah ok. |
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23:41
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JohnTalen |
is that a macro? |
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23:41
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bai |
trying to find the docs about it |
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23:42
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bai |
it's an emscripten setting - I think https://github.com/kripken/emscripten/blob/master/src/settings.js is the best documentation of all the various settings emscripten supports |
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23:43
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bai |
sdl-related settings: https://github.com/kripken/emscripten/blob/master/src/settings.js#L692-L697 |
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23:44
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bai |
looks like 1.2 not 1.3 but I think they should be compatible |
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23:45
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JohnTalen |
ha! found someone years ago with the same problem with this vice. |
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23:45
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JohnTalen |
https://github.com/kripken/emscripten/blob/master/src/settings.js#L692-L697 |
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23:46
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JohnTalen |
looks like we found the same page. |
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23:47
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JohnTalen |
hm, no just a copy error. |
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23:48
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bai |
oops just realized I said the versions backwards, it's 1.3 not 1.2 |
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23:50
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JohnTalen |
i just need to get this configure script to talk to the myriad of Makefiles it creates. |
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23:56
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JohnTalen |
bai: does emscripten have a directory you can install include files so that conifgure passes it's test? |
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23:58
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bai |
it does have a directory which the ports install their includes into yes...but I think generally it's better to handle that by adding special -I rules when the compile target is emscripten |
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23:59
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JohnTalen |
ah, tell me this. what is the preprocessor for emscripten and do i have to manually set it? |
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23:59
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JohnTalen |
i tried -I/usr/include/SDL. |