Note that -pthreads is not the same as -s USE_PTHREADS I believe you need both options. On Apr 10 2021, at 7:07 am, Jasmeet Kaur <[email protected]> wrote: > > hi, > > i updated the makefile: > > > CC = emcc > > COMMON_CFLAGS += -Wall -pthread > > > COMMON_CXXFLAGS += -I$(ROOT)/gui/ -I$(ROOT)/gui/GL/ -DNO_OPENGL -pthread > > > > > But this doesnt seem to work. How do i pass the flag during compile time for > Driver.o? > > > > > > > On Thursday, April 8, 2021 at 5:51:51 PM UTC-4 [email protected] wrote: > > > > > > My code has "-s: USE_PTHREADS" for both compile and link options. My CMake > > uses this snippet: > > > > > > > > > > > > > > if > > > > (TARGET_WASM) > > > > > > > > add_compile_options > > > > ( > > > > "SHELL:-s USE_PTHREADS" > > > > ) > > > > > > > > add_link_options( > > > > "SHELL:-s USE_PTHREADS" > > > > ) > > > > > > > > endif > > > > () > > > > > > > > > > > > > > > > > > > > On Apr 8 2021, at 2:45 pm, 'Thomas Lively' via emscripten-discuss > > <[email protected]> wrote: > > > > > > > > That's the link command, since Driver.o is one of the inputs. You need to > > > pass -pthread at compile time, where Driver.o is created, as well. > > > > > > > > > > > > > > > On Thu, Apr 8, 2021 at 1:26 PM Jasmeet Kaur <[email protected]> wrote: > > > > > > > > > > > > > > > > > > I am using -pthread flag : (makefile) > > > > > > > > > > > > > > > > COMMON_LNFLAGS += -Lapps/libs -Ldemos/libs -L/usr/X11R6/lib64 > > > > -L/usr/X11R6/lib -pthread > > > > > > > > > > > > > > > > > > > > and here is the compilation output : > > > > > > > > > > > > emcc -o ../../../../html/debug/snakebird.js > > > > ../../../../objs_html/snakebird.js/debug/apps/snakebird/Driver.o > > > > -lenvironments -lmapalgorithms -lalgorithms -lgraphalgorithms -lgraph > > > > -lutils -lguihtml -lgui -lSTUB -L../../../../html/debug -Lapps/libs > > > > -Ldemos/libs -L/usr/X11R6/lib64 -L/usr/X11R6/lib -pthread -g -s > > > > EXPORTED_FUNCTIONS="['_InitHOG', '_InitHOGArg', '_DoFrame', > > > > '_MouseEvent', '_HitKey', '_SetCanvasSize']" -s > > > > EXTRA_EXPORTED_RUNTIME_METHODS=["cwrap"] > > > > > > > > Live child 0x5633c6243c40 (../../../../html/debug/snakebird.js) PID > > > > 22723 > > > > > > > > wasm-ld: error: --shared-memory is disallowed by > > > > ../../../../objs_html/snakebird.js/debug/apps/snakebird/Driver.o > > > > because it was not compiled with 'atomics' or 'bulk-memory' features. > > > > > > > > > > > > > > > > > > > > > > > > Is this not correct? > > > > > > > > > > > > > > > > > > > > > > > > On Thursday, April 8, 2021 at 4:17:10 PM UTC-4 [email protected] > > > > wrote: > > > > > > > > > > > > > > > > > > The object file specified in the error message was not compiled with > > > > > -pthread, so atomic operations and thread-local data (if any) in its > > > > > source were transformed to non-atomic operations and > > > > > non-thread-local data. That transformation makes it unsafe to link > > > > > that object into multi-threaded programs, so wasm-ld fails with that > > > > > error message. The fix is to use -pthread when compiling that > > > > > object. > > > > > > > > > > > > > > > > > > > > > > > > > On Thu, Apr 8, 2021 at 1:11 PM Jasmeet Kaur <[email protected]> > > > > > wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Hi, > > > > > > > > > > > > I am trying to use emscripton for a project. When I compile, I > > > > > > get this error : > > > > > > > > > > > > wasm-ld: error: --shared-memory is disallowed by .... because it > > > > > > was not compiled with 'atomics' or 'bulk-memory' features. > > > > > > > > > > > > > > > > > > Can someone point me as to how to resolve this? And also explain as > > > > > > to why is this happening? > > > > > > > > > > > > > > > > > > > > > > > > Environment info; > > > > > > > > > > > > > > > > > > > > > > > > emcc (Emscripten gcc/clang-like replacement + linker emulating GNU > > > > > > ld) 2.0.16 > > > > > > > > > > > > clang version 13.0.0 > > > > > > (/b/s/w/ir/cache/git/chromium.googlesource.com-external-github.com-llvm-llvm--project > > > > > > ad8010e598d9aa3747c34ce28aa2ba6de1650bd4) > > > > > > > > > > > > Target: wasm32-unknown-emscripten > > > > > > > > > > > > Thread model: posix > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Thank you! > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > > > > > You received this message because you are subscribed to the Google > > > > > > Groups "emscripten-discuss" group. > > > > > > > > > > > > To unsubscribe from this group and stop receiving emails from it, > > > > > > send an email to [email protected]. > > > > > > > > > > > > To view this discussion on the web visit > > > > > > https://groups.google.com/d/msgid/emscripten-discuss/a9d08d47-9808-4205-bb71-e9990aa19cf7n%40googlegroups.com > > > > > > > > > > > > (https://groups.google.com/d/msgid/emscripten-discuss/a9d08d47-9808-4205-bb71-e9990aa19cf7n%40googlegroups.com?utm_medium=email&utm_source=footer). > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > You received this message because you are subscribed to the Google > > > > Groups "emscripten-discuss" group. > > > > > > > > To unsubscribe from this group and stop receiving emails from it, send > > > > an email to [email protected]. > > > > > > > > To view this discussion on the web visit > > > > https://groups.google.com/d/msgid/emscripten-discuss/83625760-2cf9-4185-95cf-b52ba0a5ab85n%40googlegroups.com > > > > > > > > (https://groups.google.com/d/msgid/emscripten-discuss/83625760-2cf9-4185-95cf-b52ba0a5ab85n%40googlegroups.com?utm_medium=email&utm_source=footer). > > > > > > > > > > > > > > > > -- > > > > > > You received this message because you are subscribed to the Google Groups > > > "emscripten-discuss" group. > > > > > > To unsubscribe from this group and stop receiving emails from it, send an > > > email to [email protected]. > > > > > > > > > > > To view this discussion on the web visit > > > https://groups.google.com/d/msgid/emscripten-discuss/CAJZD_EVySrEEkqKF36s95D8tHPu9j%2BX94w9dFOi_OdQnKbve_w%40mail.gmail.com > > > > > > (https://groups.google.com/d/msgid/emscripten-discuss/CAJZD_EVySrEEkqKF36s95D8tHPu9j%2BX94w9dFOi_OdQnKbve_w%40mail.gmail.com?utm_medium=email&utm_source=footer). > > > > > > > > > -- > > You received this message because you are subscribed to the Google Groups > "emscripten-discuss" group. > > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > (mailto:[email protected]). > > To view this discussion on the web visit > https://groups.google.com/d/msgid/emscripten-discuss/191be621-873e-432f-8cf7-2cb22f0cabe9n%40googlegroups.com > > (https://groups.google.com/d/msgid/emscripten-discuss/191be621-873e-432f-8cf7-2cb22f0cabe9n%40googlegroups.com?utm_medium=email&utm_source=footer). >
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