kc3-lang/harfbuzz/README.mingw.md

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  Date : 2021-01-24T12:28:04
  

  [mingw] Reinstate win32 cross-compiling with autotools instructions
  
  Was removed in favor of meson in 6058ede3ae983c53d1d6f5352d4235bafce3499a.
  However, those fail to build for me.
  

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• README.mingw.md

• For the development of HarfBuzz, the Microsoft shaping technology, Uniscribe,
  as a widely used and tested shaper is used as more-or-less OpenType reference
  implementation and that specially is important where OpenType specification
  is or wasn't that clear. For having access to Uniscribe on Linux/macOS these
  steps are recommended:
  
  You want to follow the 32bit instructions. The 64bit equivalents are included
  for reference.
  
  1. Install Wine.
     - Fedora: `dnf install wine`.
  
  2. Install `mingw-w64` compiler.
     - Fedora, 32bit: `dnf install mingw32-gcc-c++`
     - Fedora, 64bit: `dnf install mingw64-gcc-c++`
     - Debian: `apt install g++-mingw-w64`
     - Mac: `brew install mingw-w64`
  
  3. If you have drank the `meson` koolaid, look at `.ci/build-win32.sh` to see how to
     invoke `meson` now, or just run that script.  Otherwise, here's how to use the
     old trusty autotools instead:
  
     a) Install dependencies.
        - Fedora, 32bit: `dnf install mingw32-glib2 mingw32-cairo mingw32-freetype`
        - Fedora, 64bit: `dnf install mingw64-glib2 mingw64-cairo mingw64-freetype`
  
     b) Configure:
       - `NOCONFIGURE=1 ./autogen.sh && mkdir winbuild && cd winbuild`
       - 32bit: `../mingw-configure.sh i686`
       - 64bit: `../mingw-configure.sh x86_64`
  
  Now you can use `hb-shape` by `(cd win32build/util && wine hb-shape.exe)`
  but if you like to shape with the Microsoft Uniscribe:
  
  4. Bring a 32bit version of `usp10.dll` for yourself from `C:\Windows\SysWOW64\usp10.dll` of your
     Windows installation (assuming you have a 64-bit installation, otherwise
     `C:\Windows\System32\usp10.dll`) that it is not a DirectWrite proxy
     ([for more info](https://en.wikipedia.org/wiki/Uniscribe)).
     Rule of thumb, your `usp10.dll` should have a size more than 500kb, otherwise
     it is designed to work with DirectWrite which Wine can't work with its original one.
     You want a Uniscribe from Windows 7 or older.
  
     Put the DLL in the folder you are going to run the next command,
  
  5. `WINEDLLOVERRIDES="usp10=n" wine hb-shape.exe fontname.ttf -u 0061,0062,0063 --shaper=uniscribe`
  
  (`0061,0062,0063` means `abc`, use test/shaping/hb-unicode-decode to generate ones you need)
  

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