ci: custom Dockerfile for windows

Author: shekhirin

Cross.toml

@@ -7,11 +7,7 @@ pre-build = [
 ]
 
 [target.x86_64-pc-windows-gnu]
-pre-build = [
-    "apt-get update && apt-get install --assume-yes --no-install-recommends llvm-dev libclang-10-dev clang-10",
-    "dpkg --add-architecture i386 && apt-get update && apt-get install --assume-yes --no-install-recommends libz-mingw-w64-dev",
-    "apt-get update && apt-get install --assume-yes --no-install-recommends g++-mingw-w64-x86-64 gfortran-mingw-w64-x86-64",
-]
+dockerfile = "./Dockerfile.x86_64-pc-windows-gnu"
 
 [build.env]
 passthrough = ["JEMALLOC_SYS_WITH_LG_PAGE"]

Dockerfile.x86_64-pc-windows-gnu

@@ -0,0 +1,54 @@
+FROM ubuntu:24.04 AS cross-base
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install --assume-yes --no-install-recommends git ca-certificates
+
+RUN git clone https://github.com/cross-rs/cross
+WORKDIR cross/docker
+RUN git checkout 9e2298e17170655342d3248a9c8ac37ef92ba38f
+
+RUN cp common.sh lib.sh / && /common.sh
+RUN cp cmake.sh / && /cmake.sh
+RUN cp xargo.sh / && /xargo.sh
+
+FROM cross-base AS build
+
+RUN dpkg --add-architecture i386 && apt-get install --assume-yes --no-install-recommends libz-mingw-w64-dev
+
+RUN cp wine.sh / && /wine.sh
+
+RUN apt-get install --assume-yes --no-install-recommends g++-mingw-w64-x86-64 gfortran-mingw-w64-x86-64 llvm-dev libclang-10-dev clang-10
+
+# run-detectors are responsible for calling the correct interpreter for exe
+# files. For some reason it does not work inside a docker container (it works
+# fine in the host). So we replace the usual paths of run-detectors to run wine
+# directly. This only affects the guest, we are not messing up with the host.
+#
+# See /usr/share/doc/binfmt-support/detectors
+RUN mkdir -p /usr/lib/binfmt-support/ && \
+    rm -f /usr/lib/binfmt-support/run-detectors /usr/bin/run-detectors && \
+    ln -s /usr/bin/wine /usr/lib/binfmt-support/run-detectors && \
+    ln -s /usr/bin/wine /usr/bin/run-detectors
+
+RUN cp windows-entry.sh /
+ENTRYPOINT ["/windows-entry.sh"]
+
+RUN cp cross/docker/toolchain.cmake /opt/toolchain.cmake
+
+# for why we always link with pthread support, see:
+# https://github.com/cross-rs/cross/pull/1123#issuecomment-1312287148
+ENV CROSS_TOOLCHAIN_PREFIX=x86_64-w64-mingw32-
+ENV CROSS_TOOLCHAIN_SUFFIX=-posix
+ENV CROSS_SYSROOT=/usr/x86_64-w64-mingw32
+ENV CROSS_TARGET_RUNNER="env -u CARGO_TARGET_X86_64_PC_WINDOWS_GNU_RUNNER wine"
+ENV CARGO_TARGET_X86_64_PC_WINDOWS_GNU_LINKER="$CROSS_TOOLCHAIN_PREFIX"gcc"$CROSS_TOOLCHAIN_SUFFIX" \
+    CARGO_TARGET_X86_64_PC_WINDOWS_GNU_RUNNER="$CROSS_TARGET_RUNNER" \
+    AR_x86_64_pc_windows_gnu="$CROSS_TOOLCHAIN_PREFIX"ar \
+    CC_x86_64_pc_windows_gnu="$CROSS_TOOLCHAIN_PREFIX"gcc"$CROSS_TOOLCHAIN_SUFFIX" \
+    CXX_x86_64_pc_windows_gnu="$CROSS_TOOLCHAIN_PREFIX"g++"$CROSS_TOOLCHAIN_SUFFIX" \
+    CMAKE_TOOLCHAIN_FILE_x86_64_pc_windows_gnu=/opt/toolchain.cmake \
+    BINDGEN_EXTRA_CLANG_ARGS_x86_64_pc_windows_gnu="--sysroot=$CROSS_SYSROOT -idirafter/usr/include" \
+    CROSS_CMAKE_SYSTEM_NAME=Windows \
+    CROSS_CMAKE_SYSTEM_PROCESSOR=AMD64 \
+    CROSS_CMAKE_CRT=gnu \
+    CROSS_CMAKE_OBJECT_FLAGS="-ffunction-sections -fdata-sections -m64"