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GUACAMOLE-1841: Provide an example of how to build under Windows.
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| # Building guacamole-server for Windows | ||
| The `guacamole-server` Windows build relies on compatibility features provided by Cygwin (most notably, a `fork()` implmentation), and therefore _must_ be built using Cygwin tools. Since no Cygwin cross-compilation environment exists, this means that `guacamole-server` can only be built for Windows using the Windows OS. This document describes a build that produces a working `guacd.exe`, as well as shared libraries for every supported protocol. | ||
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| ## Build Specifics | ||
| In this example, `guacamole-server` was built under Cygwin, on a Windows Server 2022 x86_64 build node. Dependencies were installed using packages from Cygwin and MSYS2 (and built from source where no package is available, in the case of `libtelnet`). | ||
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| ### Build Steps | ||
| 1. Install Cygwin (version 2.926 used here) | ||
| 2. Install MSYS2 (version 20230718 used here) | ||
| 3. Install Cygwin packages: | ||
| * git | ||
| * make | ||
| * automake | ||
| * autoconf | ||
| * gcc-core | ||
| * libtool | ||
| * pkg-config | ||
| * libuuid-devel | ||
| * libwinpr2-devel | ||
| * libfreerdp2-devel | ||
| 4. Install MSYS2 packages: | ||
| * autoconf-wrapper | ||
| * automake-wrapper | ||
| * diffutils | ||
| * make | ||
| * mingw-w64-x86_64-gcc | ||
| * mingw-w64-x86_64-cairo | ||
| * mingw-w64-x86_64-pango | ||
| * mingw-w64-x86_64-libwebsockets | ||
| * mingw-w64-x86_64-libvncserver | ||
| * mingw-w64-x86_64-libssh2 | ||
| * mingw-w64-x86_64-libtool | ||
| * mingw-w64-x86_64-libmariadbclient | ||
| * mingw-w64-x86_64-postgresql | ||
| * mingw-w64-x86_64-libpng | ||
| * mingw-w64-x86_64-libjpeg | ||
| * mingw-w64-x86_64-dlfcn | ||
| * mingw-w64-x86_64-pkg-config | ||
| * mingw-w64-x86_64-pulseaudio | ||
| * mingw-w64-x86_64-libvorbis | ||
| * mingw-w64-x86_64-libwebp | ||
| * mingw-w64-x86_64-zlib | ||
| 5. Build `libtelnet` from source using MSYS2 bash shell | ||
| ``` | ||
| curl -s -L https://github.com/seanmiddleditch/libtelnet/releases/download/0.23/libtelnet-0.23.tar.gz | tar xz | ||
| cd libtelnet-0.23 | ||
| autoreconf -fi | ||
| ./configure --disable-static --disable-util LDFLAGS="-Wl,-no-undefined" | ||
| make LDFLAGS="-no-undefined" | ||
| make install | ||
| # Required for the Cygwin build to understand how to link against this DLL | ||
| ln -s /usr/bin/msys-telnet-2.dll /usr/bin/libtelnet.dll | ||
| ``` | ||
| 6. Build `guacamole-server` from source using Cygwin bash shell | ||
| ``` | ||
| # FIXME: Update this to check out master once this PR is ready for merge | ||
| git clone https://github.com/jmuehlner/guacamole-server.git | ||
| cd guacamole-server | ||
| git checkout GUACAMOLE-1841-cygwin-build | ||
| autoreconf -fi | ||
| export LDFLAGS="-L/usr/bin/ -L/usr/lib/ -L/usr/local/lib -L/usr/local/bin -L/cygdrive/c/msys64/mingw64/bin -L/cygdrive/c/msys64/mingw64/lib -L/cygdrive/c/msys64/usr/bin" | ||
| export CFLAGS="-idirafter /cygdrive/c/msys64/mingw64/include/winpr2 -idirafter /usr/include/ -idirafter /cygdrive/c/msys64/mingw64/include -idirafter /cygdrive/c/msys64/mingw64/include/pango-1.0 -idirafter /cygdrive/c/msys64/mingw64/include/cairo -idirafter /cygdrive/c/msys64/mingw64/include/freerdp2 -idirafter /cygdrive/c/msys64/mingw64/include/glib-2.0 -idirafter /cygdrive/c/msys64/mingw64/include/harfbuzz -idirafter /cygdrive/c/msys64/mingw64/lib/glib-2.0/include -idirafter /cygdrive/c/msys64/usr/include" | ||
| export PKG_CONFIG_PATH="/cygdrive/c/msys64/mingw64/lib/pkgconfig/" | ||
| # NOTE: The libfreerdp2-devel package provided by Cygwin is detected as a snapshot version, and must be explicitly allowed | ||
| ./configure --with-cygwin --enable-allow-freerdp-snapshots || cat config.log | ||
| make | ||
| ``` | ||
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| ## Closing Notes | ||
| The generated `guacd.exe` will run as expected when invoked from the Cygwin bash shell, but when run outside of a Cygwin environment (e.g. using powershell), connections using text-based protocols (ssh, telnet, kubernetes) will fail with `Fontconfig error: Cannot load default config file`. | ||
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| FIXME: Update this document to explain how to configure fonts under Windows once I figure it out. | ||
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| In addition, to enable running `guacd.exe` outside of a Cygwin environment, all (non-system) DLLs that it depends on should be copied into the same directory as the executable. These can be found by running `ldd` in the Cygwin bash shell - e.g. | ||
| ``` | ||
| ldd /usr/local/sbin/guacd.exe | ||
| find /usr -name '*guac*.dll' | xargs ldd | ||
| ``` |