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/CAL_va29Fa9JaY0VGuR2%2B2_wLkG2KVRM%3DeRAS%3D6%2Bmg6TkKpd3mw%40mail.gmail.com.
