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Improve docs for building Windows binaries

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Signed-off-by: falkTX <falktx@falktx.com>
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falkTX 2022-12-12 20:17:33 +00:00
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docs/BUILDING.md
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@ -118,18 +118,22 @@ export CXXFLAGS="${CFLAGS}"
## Windows
Cardinal does not support msvc, using mingw is required.
You can either cross-compile Cardinal for Windows from Linux, or install and use msys2 natively on a Windows system.
It also requires a file-system with support for symbolic links, which Windows cannot do.
For these reasons it is only possible to build Cardinal for Windows from a Linux, macOS or any regular POSIX system.
### Cross-compile
For cross-compilation, first install the relevant mingw packages.
On Ubuntu these are `binutils-mingw-w64-x86-64 g++-mingw-w64-x86-64 mingw-w64`.
Then build with `CC` and `CXX` pointing to the mingw compiler, like so:
Then build with `AR`, `CC` and `CXX` pointing to the mingw compiler tools, like so:
```
export AR=x86_64-w64-mingw32-gcc
export CC=x86_64-w64-mingw32-gcc
export CXX=x86_64-w64-mingw32-g++
# make etc..
export EXE_WRAPPER=wine # for running generated windows binaries
export PKG_CONFIG=false # ignore pkg-config from base system
# now run make etc..
```
# Installing