FFmpeg depreciated functions

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Description of your issue

Including FFmpeg version for Cross Compiling, and non-Debian-based distros

I am going to include my comment in my discussion for building with EMScripten:

Turns out it broke again with FFmpeg. I think the solution would either be to change the functions in the decoder files to more up-to-date ones or to specify which version of FFmpeg is being used. I am going to rebuild FFmpeg(Version 4.0.6) with EmScripten, and hope for the best. Unfortunately, I think I have to completely rebuild Lightspark to ensure that it works, though I still have all of the dependencies, it's just the linking of C++ files that I have to restart.

Originally posted by @notsilverhoft in https://github.com/lightspark/lightspark/discussions/1121#discussioncomment-9213697

I understand that EMScripten does not currently have native support, but I have been attempting to build all required dependencies for Lightspark, to push EMScripten support further along, my ideas for this are in the comment above.

Hmm, we have a lot of checks added over the years to detect which API of ffmpeg is available. For newer versions we use the LIBAVXXXX_VERSION_INT macros, but older versions where detected by using CHECK_FUNCTION_EXISTS() in the main CMakeLists.txt. So I assume one of the older checks fails and leads to using the wrong code path. Can you post the output of the first cmake command in a clean build directory?

@dbluelle Sorry, this took so long, This is my codespace shell log:

@notsilverhoft ➜ /workspaces/WasmFlash (main) $ . ./emsdk/emsdk_env.sh
Setting up EMSDK environment (suppress these messages with EMSDK_QUIET=1)
Adding directories to PATH:
PATH += /workspaces/WasmFlash/emsdk
PATH += /workspaces/WasmFlash/emsdk/upstream/emscripten

Setting environment variables:
PATH = /workspaces/WasmFlash/emsdk:/workspaces/WasmFlash/emsdk/upstream/emscripten:/usr/local/rvm/gems/ruby-3.2.3/bin:/usr/local/rvm/gems/ruby-3.2.3@global/bin:/usr/local/rvm/rubies/ruby-3.2.3/bin:/vscode/bin/linux-x64/e170252f762678dec6ca2cc69aba1570769a5d39/bin/remote-cli:/home/codespace/.local/bin:/home/codespace/.dotnet:/home/codespace/nvm/current/bin:/home/codespace/.php/current/bin:/home/codespace/.python/current/bin:/home/codespace/java/current/bin:/home/codespace/.ruby/current/bin:/usr/local/python/current/bin:/usr/local/py-utils/bin:/usr/local/oryx:/usr/local/go/bin:/go/bin:/usr/local/sdkman/bin:/usr/local/sdkman/candidates/java/current/bin:/usr/local/sdkman/candidates/gradle/current/bin:/usr/local/sdkman/candidates/maven/current/bin:/usr/local/sdkman/candidates/ant/current/bin:/usr/local/rvm/gems/default/bin:/usr/local/rvm/gems/default@global/bin:/usr/local/rvm/rubies/default/bin:/usr/local/share/rbenv/bin:/usr/local/php/current/bin:/opt/conda/bin:/usr/local/nvs:/usr/local/share/nvm/versions/node/v20.11.1/bin:/usr/local/hugo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/share/dotnet:/home/codespace/.dotnet/tools:/usr/local/rvm/bin
EMSDK = /workspaces/WasmFlash/emsdk
EMSDK_NODE = /workspaces/WasmFlash/emsdk/node/16.20.0_64bit/bin/node
@notsilverhoft ➜ /workspaces/WasmFlash (main) $ cd lightspark/build
@notsilverhoft ➜ /workspaces/WasmFlash/lightspark/build (master) $ emcmake cmake -DCMAKE_BUILD_TYPE=Release ..
configure: cmake -DCMAKE_BUILD_TYPE=Release .. -DCMAKE_TOOLCHAIN_FILE=/workspaces/WasmFlash/emsdk/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake -DCMAKE_CROSSCOMPILING_EMULATOR=/workspaces/WasmFlash/emsdk/node/16.20.0_64bit/bin/node
-- Gnash not found
-- Found PkgConfig: /usr/bin/pkg-config (found version "1.6.3") 
-- Checking for module 'liblzma'
--   Package 'liblzma', required by 'virtual:world', not found
CMake Error at /usr/share/cmake-3.16/Modules/FindPkgConfig.cmake:463 (message):
  A required package was not found
Call Stack (most recent call first):
  /usr/share/cmake-3.16/Modules/FindPkgConfig.cmake:643 (_pkg_check_modules_internal)
  CMakeLists.txt:290 (pkg_check_modules)

-- Configuring incomplete, errors occurred!
See also "/workspaces/WasmFlash/lightspark/build/CMakeFiles/CMakeOutput.log".
emcmake: error: 'cmake -DCMAKE_BUILD_TYPE=Release .. -DCMAKE_TOOLCHAIN_FILE=/workspaces/WasmFlash/emsdk/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake -DCMAKE_CROSSCOMPILING_EMULATOR=/workspaces/WasmFlash/emsdk/node/16.20.0_64bit/bin/node' failed (returned 1)
@notsilverhoft ➜ /workspaces/WasmFlash/lightspark/build (master) $ export PKG_CONFIG_PATH=/workspaces/WasmFlash/PKGCONFIG/cairo/build/lib/pkgconfig:/workspaces/WasmFlash/PKGCONFIG/curl/build/lib/pkgconfig:/workspaces/WasmFlash/PKGCONFIG/FFmpeg/build/lib/pkgconfig:/workspaces/WasmFlash/PKGCONFIG/liblzma/build/liblzma/lib/pkgconfig:/workspaces/WasmFlash/PKGCONFIG/openssl/build/usr/local/lib64/pkgconfig:/workspaces/WasmFlash/PKGCONFIG/SDL2/SDL2/lib/pkgconfig
@notsilverhoft ➜ /workspaces/WasmFlash/lightspark/build (master) $ emcmake cmake -DCMAKE_BUILD_TYPE=Release ..
configure: cmake -DCMAKE_BUILD_TYPE=Release .. -DCMAKE_TOOLCHAIN_FILE=/workspaces/WasmFlash/emsdk/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake -DCMAKE_CROSSCOMPILING_EMULATOR=/workspaces/WasmFlash/emsdk/node/16.20.0_64bit/bin/node
-- Gnash not found
-- Checking for module 'liblzma'
--   Found liblzma, version 5.0.4
-- Checking for modules 'cairo;pangocairo'
--   Found cairo, version 1.17.8
--   Found pangocairo, version 1.50.14
-- Checking for modules 'egl;glesv2'
--   Found egl, version 10.2.2
--   Found glesv2, version 10.2.2
-- Checking for modules 'libavcodec;libavutil;libavformat'
--   Found libavcodec, version 58.18.100
--   Found libavutil, version 56.14.100
--   Found libavformat, version 58.12.100
-- Checking for module 'libswresample'
--   Found libswresample, version 3.1.100
-- Looking for avcodec_decode_video2
-- Looking for avcodec_decode_video2 - not found
-- Looking for avcodec_decode_audio3
-- Looking for avcodec_decode_audio3 - not found
-- Looking for avcodec_decode_audio4
-- Looking for avcodec_decode_audio4 - not found
-- Looking for avio_alloc_context
-- Looking for avio_alloc_context - not found
-- Looking for avcodec_alloc_context3
-- Looking for avcodec_alloc_context3 - not found
-- Looking for avcodec_open2
-- Looking for avcodec_open2 - not found
-- Looking for avformat_close_input
-- Looking for avformat_close_input - not found
-- Looking for avformat_find_stream_info
-- Looking for avformat_find_stream_info - not found
-- Looking for av_frame_alloc
-- Looking for av_frame_alloc - not found
-- Looking for av_frame_unref
-- Looking for av_frame_unref - not found
-- Looking for av_packet_unref
-- Looking for av_packet_unref - not found
-- Looking for avcodec_send_packet
-- Looking for avcodec_send_packet - not found
-- Looking for avcodec_receive_frame
-- Looking for avcodec_receive_frame - not found
-- Looking for av_frame_get_sample_rate
-- Looking for av_frame_get_sample_rate - not found
-- Performing Test HAVE_AVCODECID
-- Performing Test HAVE_AVCODECID - Failed
-- Checking for module 'glib-2.0'
--   Found glib-2.0, version 2.76.1
-- Checking for module 'sdl2'
--   Found sdl2, version 2.0.6
-- Checking for module 'libcurl'
--   Found libcurl, version 8.8.0-DEV
-- Looking for C++ include atomic
-- Looking for C++ include atomic - not found
-- Configuring done
-- Generating done
-- Build files have been written to: /workspaces/WasmFlash/lightspark/build

I don't know where the check for FFmpeg is, but I do see the API listed as not found, I did install FFmpeg, but from the git repository, and the version I have is older (I thought they might have been supported in an older version), so I got it from the archives. If it's because of FFmpeg, what version would I want to build?

OK, cmake does detect ffmpeg (that's the Checking for modules 'libavcodec;libavutil;libavformat part), but it doesn't detect any of the ffmpeg methods (that's Looking for avcodec_decode_video2 etc.) for some reason. I've just committed a patch to fix this by using the ffmpeg versioning scheme to detect all needed APIs. Can you build with the latest git and check if this works?

I am currently trying to move all of my work, my codespace expired, I will get back to you, once I am done.

Ok, I have built Lightspark again, and everything seems to be going well:

ubuntu@runcode:~/workspace/lightspark/build$ emcmake cmake -DCMAKE_BUILD_TYPE=Release ..
configure: cmake -DCMAKE_BUILD_TYPE=Release .. -DCMAKE_TOOLCHAIN_FILE=/home/ubuntu/workspace/emsdk/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake -DCMAKE_CROSSCOMPILING_EMULATOR=/home/ubuntu/workspace/emsdk/node/16.20.0_64bit/bin/node
-- Gnash not found
-- Found PkgConfig: /bin/pkg-config (found version "0.29.1") 
-- Checking for module 'liblzma'
--   Found liblzma, version 5.0.4
-- Checking for modules 'cairo;pangocairo'
--   Found cairo, version 1.17.8
--   Found pangocairo, version 1.50.14
-- Checking for modules 'egl;glesv2'
--   Found egl, version 10.2.2
--   Found glesv2, version 10.2.2
-- Checking for modules 'libavcodec;libavutil;libavformat'
--   Found libavcodec, version 61.5.103
--   Found libavutil, version 59.16.101
--   Found libavformat, version 61.3.103
-- Checking for module 'libswresample'
--   Found libswresample, version 5.2.100
-- Checking for module 'glib-2.0'
--   Found glib-2.0, version 2.76.1
-- Checking for module 'sdl2'
--   Found sdl2, version 2.0.6
-- Checking for module 'libcurl'
--   Found libcurl, version 8.8.0-DEV
-- Checking for module 'librtmp'
--   Found librtmp, version v2.4
-- Looking for C++ include atomic
-- Looking for C++ include atomic - not found
-- Configuring done
-- Generating done
-- Build files have been written to: /home/ubuntu/workspace/lightspark/build

I will see if make works, also side note, do I need to worry about atomic? I can't seem to find where I could build it.

Hmm, I don't know. It looks like something for multithreading support is missing. Maybe you have to make sure to use emscripten with multithreading enabled.

I used the -pthread flag to enable the multithreading. Atomic did link, but there seems to be some more libraries that haven't:

ubuntu@runcode:~/workspace/lightspark/build$ cmake -DCMAKE_BUILD_TYPE=Release -pthread ..
-- The C compiler identification is GNU 9.4.0
-- The CXX compiler identification is GNU 9.4.0
-- Check for working C compiler: /bin/cc
-- Check for working C compiler: /bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /bin/c++
-- Check for working CXX compiler: /bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Performing Test GCC_IS_4_6
-- Performing Test GCC_IS_4_6 - Success
-- Gnash not found
-- The ASM-NASM compiler identification is NASM
-- Found assembler: /bin/nasm
-- Found PkgConfig: /bin/pkg-config (found version "0.29.1") 
-- Found ZLIB: /usr/lib/x86_64-linux-gnu/libz.so (found version "1.2.11") 
-- Could NOT find Freetype (missing: FREETYPE_LIBRARY FREETYPE_INCLUDE_DIRS) 
-- Could NOT find JPEG (missing: JPEG_LIBRARY JPEG_INCLUDE_DIR) 
-- Could NOT find PNG (missing: PNG_LIBRARY PNG_PNG_INCLUDE_DIR) 
-- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_glx_LIBRARY OPENGL_INCLUDE_DIR) 
-- Could NOT find GLEW (missing: GLEW_LIBRARY GLEW_INCLUDE_DIR) 
-- Checking for module 'liblzma'
--   Found liblzma, version 5.0.4
-- Checking for modules 'cairo;pangocairo'
--   Found cairo, version 1.17.8
--   Found pangocairo, version 1.50.14
-- Checking for modules 'libavcodec;libavutil;libavformat'
--   Found libavcodec, version 61.5.103
--   Found libavutil, version 59.16.101
--   Found libavformat, version 61.3.103
-- Checking for module 'libswresample'
--   Found libswresample, version 5.2.100
-- Checking for module 'glib-2.0'
--   Found glib-2.0, version 2.76.1
-- Checking for module 'sdl2'
--   Found sdl2, version 2.0.6
-- Checking for module 'libcurl'
--   Found libcurl, version 8.8.0-DEV
-- Checking for module 'librtmp'
--   Found librtmp, version v2.4
-- Looking for C++ include atomic
-- Looking for C++ include atomic - found
-- Checking for module 'x11'
--   Found x11, version 1.6.9
CMake Error: The following variables are used in this project, but they are set to NOTFOUND.
Please set them or make sure they are set and tested correctly in the CMake files:
FREETYPE_LIBRARY (ADVANCED)
    linked by target "spark" in directory /home/ubuntu/workspace/lightspark/src
GLEW_INCLUDE_DIR (ADVANCED)
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
JPEG_INCLUDE_DIR (ADVANCED)
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
JPEG_LIBRARY (ADVANCED)
    linked by target "spark" in directory /home/ubuntu/workspace/lightspark/src
OPENGL_INCLUDE_DIR (ADVANCED)
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
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   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
   used as include directory in directory /home/ubuntu/workspace/lightspark/src/plugin_ppapi
PNG_LIBRARY (ADVANCED)
    linked by target "spark" in directory /home/ubuntu/workspace/lightspark/src

-- Configuring incomplete, errors occurred!
See also "/home/ubuntu/workspace/lightspark/build/CMakeFiles/CMakeOutput.log".
See also "/home/ubuntu/workspace/lightspark/build/CMakeFiles/CMakeError.log".

I will attempt to build these now.

I am done with CMake, and I moved on to Make, there didn't seem to be any issues until I reached the audio backend file:

ubuntu@runcode:~/workspace/lightspark/build$ emmake make
make: make
Scanning dependencies of target spark
[  1%] Building CXX object src/CMakeFiles/spark.dir/allclasses.cpp.o
[  1%] Building CXX object src/CMakeFiles/spark.dir/asobject.cpp.o
In file included from /home/ubuntu/workspace/lightspark/src/scripting/flash/net/flashnet.h:33,
                 from /home/ubuntu/workspace/lightspark/src/asobject.cpp:37:
/home/ubuntu/workspace/lightspark/src/backends/audio.h:47:2: error: ‘SDL_AudioDeviceID’ does not name a type
   47 |  SDL_AudioDeviceID device;
      |  ^~~~~~~~~~~~~~~~~
make[2]: *** [src/CMakeFiles/spark.dir/build.make:76: src/CMakeFiles/spark.dir/asobject.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:192: src/CMakeFiles/spark.dir/all] Error 2
make: *** [Makefile:152: all] Error 2
emmake: error: 'make' failed (returned 2)
ubuntu@runcode:~/workspace/lightspark/build$

I don't know what this is doing, so I didn't mess with it.

Hmm, SDL_AudioDeviceID is defined in the SDL2 lib so maybe you don't have the path to "SDL2/SDL.h" defined as an include path in your Makefile

I did build it myself, but there is an SDL.h file in the include path. You could be right about the makefile though, I have been editing each file that throws an error, with the exact paths of included C++ and .h files. I have linked the SDL.h file in that same file, does make need to link it too? If so, how would I fix it? I know I can change environment variables, I know there is an SDL2 port for EMscripten, so maybe that will work better than my own build.

EDIT: I was able to solve this, I was including SDL_vulkan.h, a silly mistake, I copied the wrong path, sorry for the confusion.

Update:

ubuntu@runcode:~/workspace/lightspark/build$ emmake make
make: make
Scanning dependencies of target spark
[  1%] Building CXX object src/CMakeFiles/spark.dir/backends/config.cpp.o
[  1%] Building CXX object src/CMakeFiles/spark.dir/backends/currency.cpp.o
[  1%] Building CXX object src/CMakeFiles/spark.dir/backends/decoder.cpp.o
/home/ubuntu/workspace/lightspark/src/backends/decoder.cpp: In member function ‘virtual void lightspark::FFMpegVideoDecoder::switchCodec(lightspark::LS_VIDEO_CODEC, uint8_t*, uint32_t, double)’:
/home/ubuntu/workspace/lightspark/src/backends/decoder.cpp:189:29: warning: ‘int avcodec_close(AVCodecContext*)’ is deprecated [-Wdeprecated-declarations]
  189 |   avcodec_close(codecContext);
      |                             ^
In file included from /home/ubuntu/workspace/lightspark/src/backends/decoder.h:29,
                 from /home/ubuntu/workspace/lightspark/src/backends/decoder.cpp:23:
/home/ubuntu/workspace/lightspark/src/backends/../../../PKGCONFIG/FFmpeg/build/include/libavcodec/avcodec.h:2387:5: note: declared here
 2387 | int avcodec_close(AVCodecContext *avctx);
      |     ^~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/backends/decoder.cpp:189:29: warning: ‘int avcodec_close(AVCodecContext*)’ is deprecated [-Wdeprecated-declarations]
  189 |   avcodec_close(codecContext);
      |                             ^
In file included from /home/ubuntu/workspace/lightspark/src/backends/decoder.h:29,
                 from /home/ubuntu/workspace/lightspark/src/backends/decoder.cpp:23:
/home/ubuntu/workspace/lightspark/src/backends/../../../PKGCONFIG/FFmpeg/build/include/libavcodec/avcodec.h:2387:5: note: declared here
 2387 | int avcodec_close(AVCodecContext *avctx);
      |     ^~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/backends/decoder.cpp: In destructor ‘virtual lightspark::FFMpegVideoDecoder::~FFMpegVideoDecoder()’:
/home/ubuntu/workspace/lightspark/src/backends/decoder.cpp:348:28: warning: ‘int avcodec_close(AVCodecContext*)’ is deprecated [-Wdeprecated-declarations]
  348 |  avcodec_close(codecContext);
      |                            ^
In file included from /home/ubuntu/workspace/lightspark/src/backends/decoder.h:29,
                 from /home/ubuntu/workspace/lightspark/src/backends/decoder.cpp:23:
/home/ubuntu/workspace/lightspark/src/backends/../../../PKGCONFIG/FFmpeg/build/include/libavcodec/avcodec.h:2387:5: note: declared here
 2387 | int avcodec_close(AVCodecContext *avctx);
      |     ^~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/backends/decoder.cpp:348:28: warning: ‘int avcodec_close(AVCodecContext*)’ is deprecated [-Wdeprecated-declarations]
  348 |  avcodec_close(codecContext);
      |                            ^
In file included from /home/ubuntu/workspace/lightspark/src/backends/decoder.h:29,
                 from /home/ubuntu/workspace/lightspark/src/backends/decoder.cpp:23:
/home/ubuntu/workspace/lightspark/src/backends/../../../PKGCONFIG/FFmpeg/build/include/libavcodec/avcodec.h:2387:5: note: declared here
 2387 | int avcodec_close(AVCodecContext *avctx);
      |     ^~~~~~~~~~~~~
[  2%] Building CXX object src/CMakeFiles/spark.dir/backends/extscriptobject.cpp.o

So far so good...

I think I've found the reason for the SDL_AudioDeviceID issue. It's because we used #include <SDL2/sdl.h> instead of the correct way #include <SDL.h> . I've changed this, so now the SDL stuff should properly compile without any workarounds. I've also fixed the warnings from ffmpeg you've mentioned above. That's a good catch because we were using a method that according to ffmpeg shouldn't be used since 2014 (and it will be deprecated in the next version of ffmpeg).

Ok, I have been able to use Make, and it is working until the end, I will add the output after this next run in an edit.

Edit:

ubuntu@runcode:~/workspace/lightspark/build$ emmake make
make: make
[100%] Built target spark
Scanning dependencies of target lightspark
[100%] Building CXX object src/CMakeFiles/lightspark.dir/main.cpp.o
In file included from /home/ubuntu/workspace/lightspark/src/main.cpp:29:
/home/ubuntu/workspace/lightspark/src/scripting/flash/utils/ByteArray.h:259:11: warning: shift count >= width of type [-Wshift-count-overflow]
  259 |                         return GUINT64_TO_BE(value);
      |                                ^~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/../../../lib/glib-2.0/include/glibconfig.h:173:29: note: expanded from macro 'GUINT64_TO_BE'
  173 | #define GUINT64_TO_BE(val)      (GUINT64_SWAP_LE_BE (val))
      |                                  ^~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:391:40: note: expanded from macro 'GUINT64_SWAP_LE_BE'
  391 | #      define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val))
      |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:230:53: note: expanded from macro 'GUINT64_SWAP_LE_BE_CONSTANT'
  230 |         (guint64) G_GINT64_CONSTANT (0x00000000000000ffU)) << 56) |     \
      |                                                            ^  ~~
In file included from /home/ubuntu/workspace/lightspark/src/main.cpp:29:
/home/ubuntu/workspace/lightspark/src/scripting/flash/utils/ByteArray.h:259:11: warning: shift count >= width of type [-Wshift-count-overflow]
  259 |                         return GUINT64_TO_BE(value);
      |                                ^~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/../../../lib/glib-2.0/include/glibconfig.h:173:29: note: expanded from macro 'GUINT64_TO_BE'
  173 | #define GUINT64_TO_BE(val)      (GUINT64_SWAP_LE_BE (val))
      |                                  ^~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:391:40: note: expanded from macro 'GUINT64_SWAP_LE_BE'
  391 | #      define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val))
      |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:232:53: note: expanded from macro 'GUINT64_SWAP_LE_BE_CONSTANT'
  232 |         (guint64) G_GINT64_CONSTANT (0x000000000000ff00U)) << 40) |     \
      |                                                            ^  ~~
In file included from /home/ubuntu/workspace/lightspark/src/main.cpp:29:
/home/ubuntu/workspace/lightspark/src/scripting/flash/utils/ByteArray.h:259:11: warning: shift count >= width of type [-Wshift-count-overflow]
  259 |                         return GUINT64_TO_BE(value);
      |                                ^~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/../../../lib/glib-2.0/include/glibconfig.h:173:29: note: expanded from macro 'GUINT64_TO_BE'
  173 | #define GUINT64_TO_BE(val)      (GUINT64_SWAP_LE_BE (val))
      |                                  ^~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:391:40: note: expanded from macro 'GUINT64_SWAP_LE_BE'
  391 | #      define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val))
      |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:242:53: note: expanded from macro 'GUINT64_SWAP_LE_BE_CONSTANT'
  242 |         (guint64) G_GINT64_CONSTANT (0x00ff000000000000U)) >> 40) |     \
      |                                                            ^  ~~
In file included from /home/ubuntu/workspace/lightspark/src/main.cpp:29:
/home/ubuntu/workspace/lightspark/src/scripting/flash/utils/ByteArray.h:259:11: warning: shift count >= width of type [-Wshift-count-overflow]
  259 |                         return GUINT64_TO_BE(value);
      |                                ^~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/../../../lib/glib-2.0/include/glibconfig.h:173:29: note: expanded from macro 'GUINT64_TO_BE'
  173 | #define GUINT64_TO_BE(val)      (GUINT64_SWAP_LE_BE (val))
      |                                  ^~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:391:40: note: expanded from macro 'GUINT64_SWAP_LE_BE'
  391 | #      define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val))
      |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:244:53: note: expanded from macro 'GUINT64_SWAP_LE_BE_CONSTANT'
  244 |         (guint64) G_GINT64_CONSTANT (0xff00000000000000U)) >> 56)))
      |                                                            ^  ~~
In file included from /home/ubuntu/workspace/lightspark/src/main.cpp:29:
/home/ubuntu/workspace/lightspark/src/scripting/flash/utils/ByteArray.h:281:11: warning: shift count >= width of type [-Wshift-count-overflow]
  281 |                         return GUINT64_FROM_BE(value);
      |                                ^~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:424:31: note: expanded from macro 'GUINT64_FROM_BE'
  424 | #define GUINT64_FROM_BE(val)    (GUINT64_TO_BE (val))
      |                                  ^~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/../../../lib/glib-2.0/include/glibconfig.h:173:29: note: expanded from macro 'GUINT64_TO_BE'
  173 | #define GUINT64_TO_BE(val)      (GUINT64_SWAP_LE_BE (val))
      |                                  ^~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:391:40: note: expanded from macro 'GUINT64_SWAP_LE_BE'
  391 | #      define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val))
      |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:230:53: note: expanded from macro 'GUINT64_SWAP_LE_BE_CONSTANT'
  230 |         (guint64) G_GINT64_CONSTANT (0x00000000000000ffU)) << 56) |     \
      |                                                            ^  ~~
In file included from /home/ubuntu/workspace/lightspark/src/main.cpp:29:
/home/ubuntu/workspace/lightspark/src/scripting/flash/utils/ByteArray.h:281:11: warning: shift count >= width of type [-Wshift-count-overflow]
  281 |                         return GUINT64_FROM_BE(value);
      |                                ^~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:424:31: note: expanded from macro 'GUINT64_FROM_BE'
  424 | #define GUINT64_FROM_BE(val)    (GUINT64_TO_BE (val))
      |                                  ^~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/../../../lib/glib-2.0/include/glibconfig.h:173:29: note: expanded from macro 'GUINT64_TO_BE'
  173 | #define GUINT64_TO_BE(val)      (GUINT64_SWAP_LE_BE (val))
      |                                  ^~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:391:40: note: expanded from macro 'GUINT64_SWAP_LE_BE'
  391 | #      define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val))
      |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:232:53: note: expanded from macro 'GUINT64_SWAP_LE_BE_CONSTANT'
  232 |         (guint64) G_GINT64_CONSTANT (0x000000000000ff00U)) << 40) |     \
      |                                                            ^  ~~
In file included from /home/ubuntu/workspace/lightspark/src/main.cpp:29:
/home/ubuntu/workspace/lightspark/src/scripting/flash/utils/ByteArray.h:281:11: warning: shift count >= width of type [-Wshift-count-overflow]
  281 |                         return GUINT64_FROM_BE(value);
      |                                ^~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:424:31: note: expanded from macro 'GUINT64_FROM_BE'
  424 | #define GUINT64_FROM_BE(val)    (GUINT64_TO_BE (val))
      |                                  ^~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/../../../lib/glib-2.0/include/glibconfig.h:173:29: note: expanded from macro 'GUINT64_TO_BE'
  173 | #define GUINT64_TO_BE(val)      (GUINT64_SWAP_LE_BE (val))
      |                                  ^~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:391:40: note: expanded from macro 'GUINT64_SWAP_LE_BE'
  391 | #      define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val))
      |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:242:53: note: expanded from macro 'GUINT64_SWAP_LE_BE_CONSTANT'
  242 |         (guint64) G_GINT64_CONSTANT (0x00ff000000000000U)) >> 40) |     \
      |                                                            ^  ~~
In file included from /home/ubuntu/workspace/lightspark/src/main.cpp:29:
/home/ubuntu/workspace/lightspark/src/scripting/flash/utils/ByteArray.h:281:11: warning: shift count >= width of type [-Wshift-count-overflow]
  281 |                         return GUINT64_FROM_BE(value);
      |                                ^~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:424:31: note: expanded from macro 'GUINT64_FROM_BE'
  424 | #define GUINT64_FROM_BE(val)    (GUINT64_TO_BE (val))
      |                                  ^~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/../../../lib/glib-2.0/include/glibconfig.h:173:29: note: expanded from macro 'GUINT64_TO_BE'
  173 | #define GUINT64_TO_BE(val)      (GUINT64_SWAP_LE_BE (val))
      |                                  ^~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:391:40: note: expanded from macro 'GUINT64_SWAP_LE_BE'
  391 | #      define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val))
      |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/ubuntu/workspace/lightspark/src/../../PKGCONFIG/cairo/build/include/glib-2.0/glib/gtypes.h:244:53: note: expanded from macro 'GUINT64_SWAP_LE_BE_CONSTANT'
  244 |         (guint64) G_GINT64_CONSTANT (0xff00000000000000U)) >> 56)))
      |                                                            ^  ~~
/home/ubuntu/workspace/lightspark/src/main.cpp:377:7: warning: 'FilGetDirectoryListing' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  377 |         bool FilGetDirectoryListing(SystemState* sys, const tiny_string &filename, bool isfullpath, std::vector<tiny_string>& filelist)
      |              ^
/home/ubuntu/workspace/lightspark/src/platforms/engineutils.h:209:15: note: overridden virtual function is here
  209 |         virtual bool FilGetDirectoryListing(SystemState* sys, const tiny_string &filename, bool isfullpath, std::vector<tiny_string>& filelist);
      |                      ^
9 warnings generated.
[100%] Linking CXX executable ../x86/Release/bin/lightspark.html
cache:INFO: generating system asset: symbol_lists/b9c5cdd4bf454e04dce6746d45346850142a0cac.json... (this will be cached in "/home/ubuntu/workspace/emsdk/upstream/emscripten/cache/symbol_lists/b9c5cdd4bf454e04dce6746d45346850142a0cac.json" for subsequent builds)
cache:INFO:  - ok
wasm-ld: error: unknown argument: --as-needed
wasm-ld: error: unknown argument: --no-undefined
wasm-ld: error: unable to find library -lpangocairo-1.0
wasm-ld: error: unable to find library -lpangoft2-1.0
wasm-ld: error: unable to find library -lpango-1.0
wasm-ld: error: unable to find library -lgio-2.0
wasm-ld: error: unable to find library -lgobject-2.0
wasm-ld: error: unable to find library -lffi
wasm-ld: error: unable to find library -lgmodule-2.0
wasm-ld: error: unable to find library -lglib-2.0
wasm-ld: error: unable to find library -lfribidi
wasm-ld: error: unable to find library -lcairo
wasm-ld: error: unable to find library -lfontconfig
wasm-ld: error: unable to find library -lpng16
wasm-ld: error: unable to find library -lpixman-1
wasm-ld: error: unable to find library -llzma
wasm-ld: error: unable to find library -lavformat
wasm-ld: error: unable to find library -latomic
wasm-ld: error: unable to find library -lavcodec
wasm-ld: error: unable to find library -lswresample
wasm-ld: error: too many errors emitted, stopping now (use -error-limit=0 to see all errors)
em++: error: '/home/ubuntu/workspace/emsdk/upstream/bin/wasm-ld -o ../x86/Release/bin/lightspark.wasm --as-needed --no-undefined -s CMakeFiles/lightspark.dir/main.cpp.o libspark.a -lpangocairo-1.0 -lpangoft2-1.0 -lpango-1.0 -lgio-2.0 -lgobject-2.0 -lffi -lgmodule-2.0 -lglib-2.0 -lfribidi /home/ubuntu/workspace/emsdk/upstream/emscripten/cache/sysroot/lib/wasm32-emscripten/libharfbuzz.a -lcairo -lfontconfig /home/ubuntu/workspace/emsdk/upstream/emscripten/cache/sysroot/lib/wasm32-emscripten/libfreetype.a /home/ubuntu/workspace/emsdk/upstream/emscripten/cache/sysroot/lib/wasm32-emscripten/libz.a -lpng16 -lpixman-1 -llzma -lavformat -latomic -lavcodec -lswresample -lavutil -lcurl -lcrypt32 -lrtmp -lpangoft2-1.0 -lpango-1.0 -lgio-2.0 -lgobject-2.0 -lffi -lgmodule-2.0 -lglib-2.0 -lfribidi /home/ubuntu/workspace/emsdk/upstream/emscripten/cache/sysroot/lib/wasm32-emscripten/libharfbuzz.a -lcairo -lfontconfig /home/ubuntu/workspace/emsdk/upstream/emscripten/cache/sysroot/lib/wasm32-emscripten/libfreetype.a /home/ubuntu/workspace/emsdk/upstream/emscripten/cache/sysroot/lib/wasm32-emscripten/libz.a -lpng16 -lpixman-1 -llzma -lavformat -latomic -lavcodec -lswresample -lavutil -lcurl -lcrypt32 -lrtmp -lgmp /home/ubuntu/workspace/emsdk/upstream/emscripten/cache/sysroot/lib/wasm32-emscripten/libSDL2.a -L/home/ubuntu/workspace/emsdk/upstream/emscripten/cache/sysroot/lib/wasm32-emscripten /home/ubuntu/workspace/emsdk/upstream/emscripten/cache/sysroot/lib/wasm32-emscripten/libSDL2.a /home/ubuntu/workspace/emsdk/upstream/emscripten/cache/sysroot/lib/wasm32-emscripten/libfreetype.a /home/ubuntu/workspace/emsdk/upstream/emscripten/cache/sysroot/lib/wasm32-emscripten/libjpeg.a /home/ubuntu/workspace/emsdk/upstream/emscripten/cache/sysroot/lib/wasm32-emscripten/libpng.a /home/ubuntu/workspace/emsdk/upstream/emscripten/cache/sysroot/lib/wasm32-emscripten/libz.a -lGL-getprocaddr -lal -lhtml5 -lstubs -lnoexit -lc -ldlmalloc -lcompiler_rt -lc++-noexcept -lc++abi-noexcept -lsockets --keep-section=target_features -mllvm -combiner-global-alias-analysis=false -mllvm -enable-emscripten-sjlj -mllvm -disable-lsr /tmp/tmp5ssdm1bklibemscripten_js_symbols.so --strip-debug --export=_emscripten_stack_alloc --export=__get_temp_ret --export=__set_temp_ret --export=__wasm_call_ctors --export=emscripten_stack_get_current --export=_emscripten_stack_restore --export-if-defined=__start_em_asm --export-if-defined=__stop_em_asm --export-if-defined=__start_em_lib_deps --export-if-defined=__stop_em_lib_deps --export-if-defined=__start_em_js --export-if-defined=__stop_em_js --export-if-defined=main --export-if-defined=__main_argc_argv --export-table -z stack-size=65536 --no-growable-memory --initial-heap=16777216 --no-entry --table-base=1 --global-base=1024' failed (returned 1)
make[2]: *** [src/CMakeFiles/lightspark.dir/build.make:88: x86/Release/bin/lightspark.html] Error 1
make[1]: *** [CMakeFiles/Makefile2:124: src/CMakeFiles/lightspark.dir/all] Error 2
make: *** [Makefile:152: all] Error 2
emmake: error: 'make' failed (returned 2)

Major update, I solved the issue, and I am almost done solving some EMscripten bit code issues, I will leave more details with progress, but If you'd like, I can make a fork, and work on compatibility.

Also I fixed the issue above by changing linklibs.rsp, and link.txt files, in the lightspark cmakefiles directory.

I am going to close, I was able to build it, and I am attempting to see if it runs properly in the browser.

I will continue in the discussion.

lightspark / lightspark