On 12/2/19 2:58 PM, Kacvinsky, Tom wrote:
>>
>> Did you already setup your sysroot?
> 
> I did not specify any sysroot in the configure command.  Do you have a
> recommendation for this?
> 
> Here is what I have for the configure line for x86_64
> 
> $ /c/vector_deps/N/x64/mingw-msvc2017-ucrt/bin/gcc -v
> Using built-in specs.
> COLLECT_GCC=C:\vector_deps\N\x64\mingw-msvc2017-ucrt\bin\gcc.exe
> COLLECT_LTO_WRAPPER=c:/vector_deps/n/x64/mingw-msvc2017-ucrt/bin/../libexec/gcc/x86_64-w64-mingw32/8.3.0/lto-wrapper.exe
> Target: x86_64-w64-mingw32
> Configured with: ../configure --prefix=/c/code/mingw-native 
> --enable-languages=c,c++,ada --disable-multilib 
> --with-gmp=/c/code/gcc-depends 
> --with-native-system-header-dir=/c/code/mingw-native/x86_64-w64-mingw32/include
>  --disable-bootstrap CXXFLAGS=-O2
> Thread model: win32
> gcc version 8.3.0 (GCC)
> 
> And then for i686
> 
> $ mingw-w64-gcc-9.2.0-i686-ucrt/bin/gcc -v
> Using built-in specs.
> COLLECT_GCC=C:\code\mingw-w64-gcc-9.2.0-i686-ucrt\bin\gcc.exe
> COLLECT_LTO_WRAPPER=c:/code/mingw-w64-gcc-9.2.0-i686-ucrt/bin/../libexec/gcc/i686-w64-mingw32/9.2.0/lto-wrapper.exe
> Target: i686-w64-mingw32
> Configured with: ../configure --prefix=/c/code/mingw-w64-gcc-9.2.0-i686-ucrt 
> --enable-languages=c,c++,ada --disable-multilib 
> --with-gmp=/c/code/gcc-depends 
> --with-native-system-header-dir=/c/code/mingw-w64-gcc-9.2.0-i686-ucrt/i686-w64-mingw32/include
>  --disable-bootstrap CXXFLAGS=-O2 --disable-sjlj-exceptions --with-dwarf2
> Thread model: win32
> gcc version 9.2.0 (GCC)
> 
> 

You can try --with-sysroot=<wherever your prefix is>, your libraries
should be in <prefix>/mingw/lib and headers in <prefix>/mingw/include.

This should be done before gcc is compiled, adjust the steps as required
if bootstrapping.

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