https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118244
--- Comment #9 from Jonathan Wakely ---
Libstdc++ does this for mingw-w64:
// Make sure that POSIX printf/scanf functions are activated. As
// libstdc++ depends on POSIX-definitions of those functions, we define
// it unconditionally.
#undef _
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118244
Brecht Sanders changed:
What|Removed |Added
Resolution|--- |WORKSFORME
Status|UNCONFIR
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118244
--- Comment #7 from Brecht Sanders
---
This somehow did allow the build to proceed:
make -Cbuild_mingw/$RUNPLATFORM/libstdc++-v3 LDFLAGS="-L$PWD/build_mingw/gcc
-lcommon"
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118244
--- Comment #6 from Brecht Sanders
---
I tried building without '-D__USE_MINGW_ANSI_STDIO=0' and I still get the same
undefined references.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118244
--- Comment #5 from Brecht Sanders
---
The purpose of CFLAGS=-D__USE_MINGW_ANSI_STDIO=0 was to speed up console
output, because MinGW's own printf is quite slow.
I only want to speed up console output of GCC tools. Is there a better place to
s
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118244
--- Comment #3 from Andrew Pinski ---
config/io/basic_file_stdio.cc has not changed in this area in since 2004-04-07.
I am suspecting you have some incorrect library path set or something because
it is not linking against the library which cont
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118244
--- Comment #2 from Brecht Sanders
---
../configure --prefix=/R/winlibs14.2.0msvcrt64/inst_gcc-14.2.0/share/gcc
--build=x86_64-w64-mingw32 --host=x86_64-w64-mingw32
--enable-offload-targets=nvptx-none --with-pkgversion=MinGW-W64
x86_64-msvcrt-p
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118244
--- Comment #4 from Andrew Pinski ---
(In reply to Brecht Sanders from comment #2)
> ../configure --prefix=/R/winlibs14.2.0msvcrt64/inst_gcc-14.2.0/share/gcc
> --build=x86_64-w64-mingw32 --host=x86_64-w64-mingw32
> --enable-offload-targets=nvptx
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118244
--- Comment #1 from Andrew Pinski ---
>I'm trying a native Windows MinGW-w64 build of GCC15 (snapshot 15-20241229)
>and I get errors when building libstdc++-v3:
What configure options are you supplying?
