MSYS2 fixes #4890
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MSYS2 fixes #4890
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1) it is hardcoded to 32-bit C:\msys64\mingw32 2) current library version uses \mingw64\include\libimagequant.h directly
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radarhere
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Aug 30, 2020
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| mingw-w64-x86_64-libjpeg-turbo \ | ||
| mingw-w64-x86_64-zlib \ | ||
| mingw-w64-x86_64-libtiff \ | ||
| mingw-w64-x86_64-freetype \ | ||
| mingw-w64-x86_64-lcms2 \ | ||
| mingw-w64-x86_64-libwebp \ | ||
| mingw-w64-x86_64-openjpeg2 \ | ||
| mingw-w64-x86_64-libimagequant \ | ||
| mingw-w64-x86_64-libraqm |
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Suggested change
| mingw-w64-x86_64-libjpeg-turbo \ | |
| mingw-w64-x86_64-zlib \ | |
| mingw-w64-x86_64-libtiff \ | |
| mingw-w64-x86_64-freetype \ | |
| mingw-w64-x86_64-lcms2 \ | |
| mingw-w64-x86_64-libwebp \ | |
| mingw-w64-x86_64-openjpeg2 \ | |
| mingw-w64-x86_64-libimagequant \ | |
| mingw-w64-x86_64-libraqm | |
| mingw-w64-x86_64-freetype \ | |
| mingw-w64-x86_64-lcms2 \ | |
| mingw-w64-x86_64-libimagequant \ | |
| mingw-w64-x86_64-libjpeg-turbo \ | |
| mingw-w64-x86_64-libraqm | |
| mingw-w64-x86_64-libtiff \ | |
| mingw-w64-x86_64-libwebp \ | |
| mingw-w64-x86_64-openjpeg2 \ | |
| mingw-w64-x86_64-zlib \ |
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The order is the same as in the External Libraries section above. I think it is more helpful to follow that order for easier cross-referencing if someone doesn't want a full install.
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You could use https://github.com/marketplace/actions/setup-msys2 |
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Thanks! |
lazka
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Oct 19, 2020
Backports from python-pillow/Pillow#4890 Fixes msys2#7136
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Changes proposed in this pull request:
Remove old include directory
C:\\msys64\\mingw32\\include\\libimagequant.It uses a hardcoded path to MSYS2, it is hardcoded to 32-bit, and it is no longer necessary, as the include is now in
C:\\msys64\\mingw32\\include\\libimagequant.h.Remove GCC workaround for MSYS, see Replace distutils #4796 (comment)
Fix LibTiff support. The issue is that MSYS2 builds LibTiff with
USE_WIN32_FILEIO, which changes the meaning of thefdparameter forTIFFFdOpen, see OSError: -2 when decoding a tiff_lzw file #4237 (comment). I've added a workaround by converting the parameter before passing it to LibTiff if building on MinGW.It might be possible to detect the system version of LibTiff by including the
tif_config.hheader to fix OSError: -2 when decoding a tiff_lzw file #4237 (by enabling the workaround ifUSE_WIN32_FILEIOwas enabled), but it appears to be a private header (while it is available in MSYS2, it is not available in Ubuntu). See also passing build using CMake on Windows from my branch nulano/Pillow@mingw-setup...nulano:tiff-test.Another possible fix would involve absorbing
TIFFFdOpenfromtif_unix.cinto Pillow to avoid this issue by using the stableTiffClientOpen.Document installation on MSYS2