hi,
seems there is zlib-devel for msys but not for mingw:
$ pacman -Sl | grep zlib
mingw32 mingw-w64-i686-zlib 1.2.11-5 [installato]
mingw64 mingw-w64-x86_64-zlib 1.2.11-5 [installato]
msys mingw-w64-cross-zlib 1.2.11-1 [installato]
msys zlib 1.2.11-1 [installato]
msys zlib-devel 1.2.11-1 [installato]
and so for example a JBIG2 encoder:
https://github.com/agl/jbig2enc
fail in configure with:
...
checking for g++ option to produce PIC... -DDLL_EXPORT -DPIC
checking if g++ PIC flag -DDLL_EXPORT -DPIC works... yes
checking if g++ static flag -static works... yes
checking if g++ supports -c -o file.o... yes
checking if g++ supports -c -o file.o... (cached) yes
checking whether the g++ linker
(D:/ProgramFiles/msys64/mingw64/x86_64-w64-mingw32/bin/ld.exe) supports
shared libraries... yes
checking dynamic linker characteristics... Win32 ld.exe
checking how to hardcode library paths into programs... immediate
checking for _head_libws2_32_a in -lws2_32... no
Error! zlib not detected.
Is it a known miss?
--
Valerio
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