Hi Stefan, >Von: "Stefan Blumentrath" >
>I would probably refer to: >https://github.com/OSGeo/grass/blob/main/.github/workflows/osgeo4w.yml >And further to: >https://github.com/OSGeo/grass/blob/main/.github/workflows/build_osgeo4w.sh[https://github.com/OSGeo/grass/blob/main/.github/workflows/build_osgeo4w.sh] > and >https://github.com/OSGeo/grass/blob/main/mswindows/osgeo4w/build_osgeo4w.sh[https://github.com/OSGeo/grass/blob/main/mswindows/osgeo4w/build_osgeo4w.sh] thanks for the hints. I've started myuser@DESKTOP-VADT8Q4 MINGW64 /usr/src/grass $ ./.github/workflows/build_osgeo4w.sh then I get the same error: checking for location of zlib includes... checking zlib.h usability... yes checking zlib.h presence... yes checking for zlib.h... yes checking for location of zlib library... checking for deflate in -lz... yes checking whether to use bzlib... "yes" checking for location of bzlib includes... checking bzlib.h usability... yes checking bzlib.h presence... yes checking for bzlib.h... yes checking for location of bzlib library... checking for BZ2_bzBuffToBuffCompress in -lbz2... no => configure: error: *** Unable to locate bzlib library. <= I've installed all build needed packackages mentioned in https://github.com/OSGeo/grass/blob/main/.github/workflows/osgeo4w.yml#L40 install: tar libintl make bison flex diffutils git dos2unix zip mingw-w64-x86_64-toolchain mingw-w64-x86_64-fftw mingw-w64-x86_64-lapack mingw-w64-x86_64-pkgconf mingw-w64-x86_64-gcc mingw-w64-x86_64-ccache mingw-w64-x86_64-zlib mingw-w64-x86_64-libiconv mingw-w64-x86_64-bzip2 mingw-w64-x86_64-gettext mingw-w64-x86_64-libsystre mingw-w64-x86_64-libtre-git mingw-w64-x86_64-libwinpthread-git mingw-w64-x86_64-libpng mingw-w64-x86_64-pcre mingw-w64-x86_64-python3-six best Helli _______________________________________________ grass-dev mailing list grass-dev@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-dev