On 2/8/22 16:16, Simon Glass wrote:
On Sat, 29 Jan 2022 at 07:17, Heinrich Schuchardt heinrich.schuchardt@canonical.com wrote:
On 1/28/22 10:08, Heinrich Schuchardt wrote:
sdl.c is compiled against the SDL library.
Trying to redefine wchar_t with -fshort-wchar is not necessary and leads to build failures when compiling against musl.
Cc: Milan P. Stanić mps@arvanta.net Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com
Reviewed-by: Simon Glass sjg@chromium.org
How do I compile against musl?
On Ubuntu install the musl-tools package and use musl-gcc as your compiler.
You can add a new alternative for cc with
sudo update-alternatives --install /usr/bin/cc cc /usr/bin/x86_64-linux-musl-gcc 10
and choose the active alternative with
sudo update-alternatives --config cc
But this will give you problems with the include paths for libraries like openssl.
A better choice is using a distro like Alpine which defaults to musl. You can easily test it in docker.
Best regards
Heinrich
Regards, Simon
v2: fix a build error with clang by adding -fno-lto for building sdl.o
A better longterm solution will be to eliminate -fshort-wchar completely. This will require replacing %ls printf() codes by something that gcc does not check, e.g. %pS. Further all L"" strings must be replaced by u"" strings.
%p will not work as a replacement for %ls:
warning: precision used with ‘%p’ gnu_printf format [-Wformat=] 298 | s += sprintf(s, "%-.*ps", slen, fp->str); | ^
Best regards
Heinrich