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From: Ralo Kossovo <raterhraje@gmail.com>
Date: Tue, 7 Mar 2023 20:28:51 +0000
Message-ID: <CAGg4HhSODXRuMrK8O9=HhCxQRoq12Sazy+JMNJ-U9J722Oc6Rg@mail.gmail.com>
To: musl@lists.openwall.com
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Subject: Re: [musl] unknown type name '__gnuc_va_list'

Haven't you, by any chance, changed the values of the 'includedir' or
'srcdir' in musl's 'Makefile' or 'config.mak'.
What output does running 'grep -rni /usr/include' in musl's root
directory generate?

On 3/7/23, Max R. Dechantsreiter <max@performancejones.com> wrote:
> My musl-1.2.3 fails to compile the simple test:
>
> cat > hello.c <<EOF
> #include <stdio.h>
> int main()
> {
>   printf("Hello, world!\n");
>   return 0;
> }
> EOF
> $INSTALL/bin/musl-gcc hello.c
> /usr/include/stdio.h:52:9: error: unknown type name '__gnuc_va_list'
>    52 | typedef __gnuc_va_list va_list;
>       |         ^~~~~~~~~~~~~~
> /usr/include/stdio.h:52:24: error: conflicting types for 'va_list'; have
> 'int'
>    52 | typedef __gnuc_va_list va_list;
>       |                        ^~~~~~~
> .
> .
> .
>
> I configured musl as follows:
>
> CC=gcc ./configure \
>         --prefix=$INSTALL \
>         --target=x86_64 \
>         --disable-shared \
>>& configure.log
> # CROSS_COMPILE configured to "x86_64-":
> sed -i 's/\(CROSS_COMPILE = \).*/\1/' config.mak
>
> and built (cleanly) with GCC 12.1.0 on
>
> Linux version 4.19.0 (mockbuild@builder1.eng.sw.ru) (gcc version 4.8.5
> 20150623 (Red Hat 4.8.5-44) (GCC) ) #1 SMP Thu Dec 15 20:31:06 MSK 2022
>
> I had the same problem with GCC 10.2.1.
>
> Is there a known fix/workaround someone could provide?
>