[RFC PATCH 1/3] .github/workflows: Add GitHub action for Windows build

[Philippe Mathieu-Daudé]

From: Stefan Weil <sw@weilnetz.de>

The GitHub action is restricted to https://github.com/qemu/qemu.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <20200803202042.1869013-1-sw@weilnetz.de>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 .github/workflows/build.sh                | 112 ++++++++++++++++++++++
 .github/workflows/pkg-config-crosswrapper |  37 +++++++
 .github/workflows/win.yml                 |  34 +++++++
 3 files changed, 183 insertions(+)
 create mode 100755 .github/workflows/build.sh
 create mode 100755 .github/workflows/pkg-config-crosswrapper
 create mode 100644 .github/workflows/win.yml

diff --git a/.github/workflows/build.sh b/.github/workflows/build.sh
new file mode 100755
index 0000000000..c430a367be
--- /dev/null
+++ b/.github/workflows/build.sh
@@ -0,0 +1,112 @@
+#!/bin/bash
+
+# GitHub actions - Create QEMU installer for Windows
+
+# Author: Stefan Weil (2020)
+
+#~ set -e
+set -x
+
+ARCH=$1
+DLLS="libgcc_s_sjlj-1.dll libgomp-1.dll libstdc++-6.dll"
+
+if test "$ARCH" != "i686"; then
+  ARCH=x86_64
+  DLLS="libgcc_s_seh-1.dll libgomp-1.dll libstdc++-6.dll"
+fi
+
+ROOTDIR=$PWD
+DISTDIR=$ROOTDIR/dist
+HOST=$ARCH-w64-mingw32
+BUILDDIR=bin/ndebug/$HOST
+PKG_ARCH=mingw64-${ARCH/_/-}
+
+# Install cygwin key and add cygwin sources.
+curl -s https://qemu.weilnetz.de/debian/gpg.key | sudo apt-key add -
+echo deb https://qemu.weilnetz.de/debian/ testing contrib | \
+  sudo tee /etc/apt/sources.list.d/cygwin.list
+
+# Install packages.
+sudo apt-get update
+sudo apt-get install --no-install-recommends \
+  mingw-w64-tools nsis \
+  gcc libc6-dev \
+  g++-mingw-w64-${ARCH/_/-} gcc-mingw-w64-${ARCH/_/-} \
+  bison flex gettext python3-sphinx texinfo \
+  $PKG_ARCH-adwaita-icon-theme $PKG_ARCH-cogl $PKG_ARCH-curl \
+  $PKG_ARCH-gmp $PKG_ARCH-gnutls $PKG_ARCH-gtk3 $PKG_ARCH-icu \
+  $PKG_ARCH-libxml2 $PKG_ARCH-ncurses $PKG_ARCH-sdl2 $PKG_ARCH-usbredir
+
+# Workaround for buggy cross pkg-config.
+sudo ln -sf $PWD/.github/workflows/pkg-config-crosswrapper \
+  /usr/bin/$HOST-pkg-config
+
+# Get header files for WHPX API from Mingw-w64 git master.
+(
+sudo mkdir -p /usr/$HOST/sys-include
+cd /usr/$HOST/sys-include
+SF_URLBASE=https://sourceforge.net
+URL=$SF_URLBASE/p/mingw-w64/mingw-w64/ci/master/tree/mingw-w64-headers/include
+sudo curl -s -o winhvemulation.h $URL/winhvemulation.h?format=raw
+sudo curl -s -o winhvplatform.h $URL/winhvplatform.h?format=raw
+sudo curl -s -o winhvplatformdefs.h $URL/winhvplatformdefs.h?format=raw
+sudo ln -s winhvemulation.h WinHvEmulation.h
+sudo ln -s winhvplatform.h WinHvPlatform.h
+sudo ln -s winhvplatformdefs.h WinHvPlatformDefs.h
+)
+
+DLL_PATH=$PWD/dll/$HOST
+
+mkdir -p $DISTDIR
+mkdir -p $DLL_PATH
+
+for dll in $DLLS; do
+  ln -sf /usr/lib/gcc/$HOST/*-win32/$dll $DLL_PATH
+done
+
+DLLS="iconv.dll libatk-1.0-0.dll libbz2-1.dll"
+DLLS="$DLLS libcairo-2.dll libcairo-gobject-2.dll libcurl-4.dll"
+DLLS="$DLLS libeay32.dll libepoxy-0.dll libexpat-1.dll"
+DLLS="$DLLS libffi-6.dll libfontconfig-1.dll libfreetype-6.dll"
+DLLS="$DLLS libgdk-3-0.dll libgdk_pixbuf-2.0-0.dll"
+DLLS="$DLLS libgio-2.0-0.dll libglib-2.0-0.dll libgmodule-2.0-0.dll"
+DLLS="$DLLS libgmp-10.dll libgnutls-30.dll libgobject-2.0-0.dll libgtk-3-0.dll"
+DLLS="$DLLS libharfbuzz-0.dll libhogweed-4.dll libidn2-0.dll libintl-8.dll"
+DLLS="$DLLS libjpeg-8.dll liblzo2-2.dll"
+DLLS="$DLLS libncursesw6.dll libnettle-6.dll libnghttp2-14.dll"
+DLLS="$DLLS libp11-kit-0.dll libpango-1.0-0.dll libpangocairo-1.0-0.dll"
+DLLS="$DLLS libpangoft2-1.0-0.dll libpangowin32-1.0-0.dll libpcre-1.dll"
+DLLS="$DLLS libpixman-1-0.dll libpng16-16.dll libssh2-1.dll libtasn1-6.dll"
+DLLS="$DLLS libunistring-2.dll libusb-1.0.dll libusbredirparser-1.dll"
+DLLS="$DLLS SDL2.dll ssleay32.dll zlib1.dll"
+
+for dll in $DLLS; do
+  ln -sf /usr/$HOST/sys-root/mingw/bin/$dll $DLL_PATH
+done
+
+ln -sf /usr/$HOST/lib/libwinpthread-1.dll $DLL_PATH
+
+# Build QEMU installer.
+
+echo Building $HOST...
+mingw=/usr/$HOST/sys-root/mingw
+mkdir -p $BUILDDIR && cd $BUILDDIR
+
+# Run configure.
+../../../configure --cross-prefix=$HOST- --disable-guest-agent-msi \
+    --disable-werror --enable-whpx \
+    --extra-cflags="-I $mingw/include" \
+    --extra-ldflags="-L $mingw/lib"
+
+# Add config.log to build artifacts.
+cp config.log $DISTDIR/
+
+make
+
+echo Building installers...
+date=$(date +%Y%m%d)
+INSTALLER=$DISTDIR/qemu-$ARCH-setup-$date.exe
+make installer DLL_PATH=$DLL_PATH SIGNCODE=true INSTALLER=$INSTALLER
+
+echo Calculate SHA-512 checksum...
+(cd $DISTDIR; exe=$(basename $INSTALLER); sha512sum $exe >${exe/exe/sha512})
diff --git a/.github/workflows/pkg-config-crosswrapper 
b/.github/workflows/pkg-config-crosswrapper
new file mode 100755
index 0000000000..768e554194
--- /dev/null
+++ b/.github/workflows/pkg-config-crosswrapper
@@ -0,0 +1,37 @@
+#! /bin/sh
+# pkg-config wrapper for cross-building
+# Sets pkg-config search path to search multiarch and historical 
cross-compiling paths.
+
+# If the user has already set PKG_CONFIG_LIBDIR, believe it (even if empty):
+# it's documented to be an override
+if [ x"${PKG_CONFIG_LIBDIR+set}" = x ]; then
+  # GNU triplet for the compiler, e.g. i486-linux-gnu for Debian i386,
+  # i686-linux-gnu for Ubuntu i386
+  basename="${0##*/}"
+  triplet="${basename%-pkg-config}"
+  # Normalized multiarch path if any, e.g. i386-linux-gnu for i386
+  multiarch="`dpkg-architecture -t"${triplet}" -qDEB_HOST_MULTIARCH 
2>/dev/null`"
+
+  PKG_CONFIG_LIBDIR="/usr/local/${triplet}/lib/pkgconfig"
+  # For a native build we would also want to append /usr/local/lib/pkgconfig
+  # at this point; but this is a cross-building script, so don't
+  PKG_CONFIG_LIBDIR="$PKG_CONFIG_LIBDIR:/usr/local/share/pkgconfig"
+
+  if [ -n "$multiarch" ]; then
+    
PKG_CONFIG_LIBDIR="/usr/local/lib/${multiarch}/pkgconfig:$PKG_CONFIG_LIBDIR"
+    PKG_CONFIG_LIBDIR="$PKG_CONFIG_LIBDIR:/usr/lib/${multiarch}/pkgconfig"
+  fi
+
+  PKG_CONFIG_LIBDIR="$PKG_CONFIG_LIBDIR:/usr/${triplet}/lib/pkgconfig"
+  # For a native build we would also want to append /usr/lib/pkgconfig
+  # at this point; but this is a cross-building script, so don't
+  # If you want to allow use of un-multiarched -dev packages for crossing
+  # (at the risk of finding build-arch stuff you didn't want, if not in a 
clean chroot)
+  # Uncomment the next line:
+  # PKG_CONFIG_LIBDIR="$PKG_CONFIG_LIBDIR:/usr/lib/pkgconfig"
+  PKG_CONFIG_LIBDIR="$PKG_CONFIG_LIBDIR:/usr/share/pkgconfig"
+
+  export PKG_CONFIG_LIBDIR
+fi
+
+exec pkg-config "$@"
diff --git a/.github/workflows/win.yml b/.github/workflows/win.yml
new file mode 100644
index 0000000000..81cf48530f
--- /dev/null
+++ b/.github/workflows/win.yml
@@ -0,0 +1,34 @@
+# GitHub actions - Create QEMU installers for Windows
+
+# The action is restricted to https://github.com/qemu/qemu.
+# That avoids an unnecessary waste of resources when each fork
+# runs the action, too.
+
+name: Cross build for Windows
+
+on: [push]
+
+jobs:
+  build32:
+    if: github.repository == 'qemu/qemu'
+    runs-on: [ubuntu-20.04]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build QEMU installer (32 bit)
+      run: .github/workflows/build.sh i686
+    - uses: actions/upload-artifact@v1
+      with:
+        name: QEMU Installer Windows 32 bit
+        path: dist
+
+  build64:
+    if: github.repository == 'qemu/qemu'
+    runs-on: [ubuntu-20.04]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build QEMU installer (64 bit)
+      run: .github/workflows/build.sh x86_64
+    - uses: actions/upload-artifact@v1
+      with:
+        name: QEMU Installer Windows 64 bit
+        path: dist
-- 
2.21.3