[WIP] scripts: Add script to build QEMU

This commit adds a script to build QEMU outside Poky for non-Linux
hosts.

Signed-off-by: Stephanos Ioannidis <[email protected]>

Author: stephanosio

scripts/build_qemu.sh

@@ -0,0 +1,115 @@
+#/usr/bin/env bash
+
+usage()
+{
+  echo "Usage: $(basename $0) host source prefix"
+}
+
+# Validate and parse arguments
+if [ "$1" == "" ]; then
+  usage
+  echo
+  echo "host must be specified."
+  exit 1
+elif [ "$2" == "" ]; then
+  usage
+  echo
+  echo "source must be specified."
+  exit 1
+elif [ "$3" == "" ]; then
+  usage
+  echo
+  echo "prefix must be specified."
+  exit 1
+fi
+
+BUILD_HOST="$1"
+BUILD_SOURCE="$2"
+BUILD_PREFIX="$3"
+
+# Set build parameters
+QEMU_TARGETS=" \
+  aarch64-softmmu \
+  arm-softmmu \
+  i386-softmmu \
+  or1k-softmmu \
+  mips-softmmu \
+  mipsel-softmmu \
+  riscv32-softmmu \
+  riscv64-softmmu \
+  rx-softmmu \
+  sparc-softmmu \
+  x86_64-softmmu \
+  xtensa-softmmu \
+"
+
+QEMU_FLAGS=" \
+  --disable-docs \
+  --disable-sdl \
+  --disable-gtk \
+  --disable-debug-info \
+  --disable-cap-ng \
+  --disable-libnfs \
+  --disable-libusb \
+  --disable-libiscsi \
+  --disable-usb-redir \
+  --disable-linux-aio \
+  --disable-guest-agent \
+  --disable-libssh \
+  --disable-vnc \
+  --disable-kvm \
+  --disable-seccomp \
+  --disable-tpm \
+  --disable-numa \
+  --disable-glusterfs \
+  --disable-virtfs \
+  --disable-xen \
+  --disable-curl \
+  --disable-attr \
+  --disable-curses \
+  --disable-iconv \
+  --disable-parallels \
+  --disable-replication \
+  --disable-live-block-migration \
+  --disable-dmg
+"
+
+if [ "${BUILD_HOST}" == "windows-x86_64" ]; then
+  QEMU_FLAGS+="--cross-prefix=x86_64-w64-mingw32-"
+fi
+
+# Configure QEMU 
+${BUILD_SOURCE}/configure \
+  ${QEMU_FLAGS} \
+  --target-lists="${QEMU_TARGETS}" \
+  --prefix="${BUILD_PREFIX}"
+
+# Build QEMU
+make -j
+
+# Install QEMU
+make install
+
+# Copy required dynamic-link libraries for Windows
+if [ "${BUILD_HOST}" == "windows-x86_64" ]; then
+  QEMU_WIN_LIBS=" \
+    /usr/x86_64-w64-mingw32/sys-root/mingw/bin/iconv.dll \
+    /usr/x86_64-w64-mingw32/sys-root/mingw/bin/libffi-6.dll \
+    /usr/lib/gcc/x86_64-w64-mingw32/7.3-win32/libgcc_s_seh-1.dll \
+    /usr/lib/gcc/x86_64-w64-mingw32/7.3-win32/libssp-0.dll \
+    /usr/lib/gcc/x86_64-w64-mingw32/7.3-win32/libstdc++-6.dll \
+    /usr/x86_64-w64-mingw32/sys-root/mingw/bin/libgio-2.0-0.dll \
+    /usr/x86_64-w64-mingw32/sys-root/mingw/bin/libglib-2.0-0.dll \
+    /usr/x86_64-w64-mingw32/sys-root/mingw/bin/libgmodule-2.0-0.dll \
+    /usr/x86_64-w64-mingw32/sys-root/mingw/bin/libgobject-2.0-0.dll \
+    /usr/x86_64-w64-mingw32/sys-root/mingw/bin/libintl-8.dll \
+    /usr/x86_64-w64-mingw32/sys-root/mingw/bin/libpcre-1.dll \
+    /usr/x86_64-w64-mingw32/sys-root/mingw/bin/libpixman-1-0.dll \
+    /usr/x86_64-w64-mingw32/sys-root/mingw/bin/zlib1.dll \
+    /usr/x86_64-w64-mingw32/lib/libwinpthread-1.dll \
+  "
+
+  for l in ${QEMU_WIN_LIBS}; do
+    cp -f ${l} ${BUILD_PREFIX}
+  done
+fi