Here, https://github.com/emscripten-core/emscripten/issues/23398
Thanks and regards, Urjasvi Suthar On Tuesday, January 14, 2025 at 6:48:10 PM UTC+3 [email protected] wrote: > Yes, I think it is probably worth having a bug to track this. Thank you. > > On Tue, Jan 14, 2025 at 1:16 AM Urjasvi Suthar <[email protected]> > wrote: > >> Thank you for your response. The work-around worked, should I still open >> a bug report? >> >> Regards, >> Urjasvi Suthar >> >> On Monday, January 13, 2025 at 11:15:01 PM UTC+3 [email protected] wrote: >> >>> After a little investigation it seems like the problem is that when you >>> use `-std=c23` or `-std=c11` clang will define `__STRICT_ANSI__`. `strdup` >>> was not available in this mode, at least not prior to C23. So musl does >>> not declare it in that mode. >>> >>> You can work around this by using `-std=gnu23` or by adding >>> `-D_BSD_SOURCE`. >>> >>> cheers, >>> sam >>> >>> On Mon, Jan 13, 2025 at 11:58 AM Sam Clegg <[email protected]> wrote: >>> >>>> `strdup` is available in emscripten. Its part of the musl libc: >>>> https://github.com/emscripten-core/emscripten/blob/ebfeaf7a17f53ad322ea322efa8dfca5c752679b/system/lib/libc/musl/include/string.h#L70 >>>> >>>> It looks like using `-std=c23` is somehow suppressing that definition. >>>> Could you open a bug about that? >>>> >>>> cheers, >>>> sam >>>> >>>> On Mon, Jan 13, 2025 at 2:18 AM Urjasvi Suthar <[email protected]> >>>> wrote: >>>> >>>>> Hello, >>>>> I am trying to compile for wasm with emscripten but there seems to be >>>>> no 'strdup' C standard function. >>>>> ``` >>>>> src/token.c:169:10: error: use of undeclared identifier 'strdup'; did >>>>> you mean 'strupr'? >>>>> 169 | .str = strdup(str), >>>>> | ^~~~~~ >>>>> | strupr >>>>> /Users/x/emsdk/upstream/emscripten/cache/sysroot/include/compat/string.h:9:14: >>>>> >>>>> note: 'strupr' declared here >>>>> 9 | extern char* strupr(char *); >>>>> | ^ >>>>> 1 error generated. >>>>> emcc: error: '/Users/x/emsdk/upstream/bin/clang -target >>>>> wasm64-unknown-emscripten -fignore-exceptions -mno-bulk-memory >>>>> -mno-bulk-memory-opt -mno-nontrapping-fptoint -mllvm >>>>> -combiner-global-alias-analysis=false -mllvm -enable-emscripten-sjlj >>>>> -mllvm >>>>> -disable-lsr --sysroot=/Users/x/emsdk/upstream/emscripten/cache/sysroot >>>>> -DEMSCRIPTEN -Werror=implicit-function-declaration -Xclang >>>>> -iwithsysroot/include/fakesdl -Xclang -iwithsysroot/include/compat >>>>> -Iexternal/lz4/lib -std=c23 -Wall -Wextra src/token.c -c -o >>>>> /var/folders/7x/khcwdw3d39g8c3k03mcrcw3r0000gn/T/emscripten_temp_u3yctg1o/token_1.o' >>>>> >>>>> failed (returned 1) >>>>> ``` >>>>> Is this C23 standard not supported yet or am I missing something? >>>>> I know I can implement it myself easily (that what I am currently >>>>> doing as workaround), but less code and #ifdefs the better :) >>>>> >>>>> Regards, >>>>> Urjasvi Suthar >>>>> >>>>> -- >>>>> 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 visit >>>>> https://groups.google.com/d/msgid/emscripten-discuss/c666906e-ad13-4470-8f4a-3aae76b36925n%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/emscripten-discuss/c666906e-ad13-4470-8f4a-3aae76b36925n%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 visit >> https://groups.google.com/d/msgid/emscripten-discuss/416bf0c0-9ed8-4e3d-8cc0-fd5faba9bf5dn%40googlegroups.com >> >> <https://groups.google.com/d/msgid/emscripten-discuss/416bf0c0-9ed8-4e3d-8cc0-fd5faba9bf5dn%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 visit https://groups.google.com/d/msgid/emscripten-discuss/25f97f83-0765-4676-b43d-338dd251d7d0n%40googlegroups.com.
