Describe the bug It's not possible to use modules that import the

cannot use modules that use mbedtls on macos arm with tcc about v HOT 2 OPEN

ttytm commented on September 26, 2024

cannot use modules that use mbedtls on macos arm with tcc

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Comments (2)

spytheman commented on September 26, 2024

Yes, it is a known problem. tcc does not yet support ARM asm blocks on macos.

The current workarounds are to either:
a) -cc clang for such programs, which is slower, but should work without other changes.
or
b) if you do not need mbedtls, but just net.http and net.ssl, pass -d use_openssl , which should work with tcc too (after installing openssl with brew).

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spytheman commented on September 26, 2024

Here is an example of compiling examples/fetch.v, which does use net.http:

0[07:19:44]@m1: (master) /opt/v $ ./v -showcc -d use_openssl -cc tcc -no-retry-compilation -d dynamic_boehm examples/fetch.v
> C compiler cmd: '/opt/v/thirdparty/tcc/tcc.exe' '@/tmp/v_501/fetch.01HZV160EXN887J1X6A9R7T7HZ.tmp.c.rsp'
> C compiler response file "/tmp/v_501/fetch.01HZV160EXN887J1X6A9R7T7HZ.tmp.c.rsp":
  -fwrapv -o "/opt/v/examples/fetch" -D GC_THREADS=1 -I "/opt/homebrew/Cellar/bdw-gc/8.2.4/include" -L "/opt/homebrew/Cellar/bdw-gc/8.2.4/lib" -I "/opt/v/thirdparty/legacy/include/LegacySupport" -I "/opt/v/thirdparty/stdatomic/nix" -I "/opt/homebrew/Cellar/openssl@3/3.3.0/include" -L "/opt/homebrew/Cellar/openssl@3/3.3.0/lib" "/tmp/v_501/fetch.01HZV160EXN887J1X6A9R7T7HZ.tmp.c" -std=c99 -D_DEFAULT_SOURCE -bt25 -lgc -lpthread -lssl -lcrypto
0[07:19:52]@m1: (master) /opt/v $
0[07:19:53]@m1: (master) /opt/v $

The -d dynamic_boehm is needed to get V to use the brew version of the precompiled Boehm collector, since tcc can not link to our libgc.a too.

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