Meta+Documentation: Bump required QEMU version

This commit bumps the required QEMU version to 6.2 and updates the
version checking logic in Meta/run.sh to support checking against
major and minor version numbers instead of checking against the major
version only

Documentation/BuildInstructions.md

@@ -31,10 +31,12 @@ Now on Ubuntu or Debian you can install gcc-11 with apt like this:
 sudo apt install gcc-11 g++-11
 ```
 
-#### QEMU 5 or later
+#### QEMU 6.2 or later
 
-QEMU version 5 is available in Ubuntu 20.10, but it is recommended to build Qemu as provided by the toolchain by running `Toolchain/BuildQemu.sh`.
-Note that you might need additional dev packages:
+Version 6.2 of QEMU is available in Ubuntu 22.04. On earlier versions of Ubuntu,
+you can build the recommended version of QEMU as provided by the toolchain by running
+`Toolchain/BuildQemu.sh`.
+Note that you might need additional dev packages in order to build QEMU on your machine:
 
 ```console
 sudo apt install libgtk-3-dev libpixman-1-dev libsdl2-dev libspice-server-dev

Meta/run.sh

@@ -104,15 +104,19 @@ fi
  fi
 }
 
+SERENITY_QEMU_MIN_REQ_MAJOR_VERSION=6
+SERENITY_QEMU_MIN_REQ_MINOR_VERSION=2
+SERENITY_QEMU_MIN_REQ_VERSION="$SERENITY_QEMU_MIN_REQ_MAJOR_VERSION.$SERENITY_QEMU_MIN_REQ_MINOR_VERSION"
 if ! command -v "$SERENITY_QEMU_BIN" >/dev/null 2>&1 ; then
- die "Please install QEMU version 5.0 or newer or use the Toolchain/BuildQemu.sh script."
+ die "Please install QEMU version $SERENITY_QEMU_MIN_REQ_VERSION or newer or use the Toolchain/BuildQemu.sh script."
 fi
 
-SERENITY_QEMU_MIN_REQ_VERSION=5
 installed_major_version=$("$SERENITY_QEMU_BIN" -version | head -n 1 | sed -E 's/QEMU emulator version ([1-9][0-9]*|0).*/\1/')
 installed_minor_version=$("$SERENITY_QEMU_BIN" -version | head -n 1 | sed -E 's/QEMU emulator version [0-9]+\.([1-9][0-9]*|0).*/\1/')
-if [ "$installed_major_version" -lt "$SERENITY_QEMU_MIN_REQ_VERSION" ]; then
- echo "Required QEMU >= 5.0! Found $($SERENITY_QEMU_BIN -version | head -n 1)"
+if [ "$installed_major_version" -lt "$SERENITY_QEMU_MIN_REQ_MAJOR_VERSION" ] ||
+ { [ "$installed_major_version" -eq "$SERENITY_QEMU_MIN_REQ_MAJOR_VERSION" ] &&
+ [ "$installed_minor_version" -lt "$SERENITY_QEMU_MIN_REQ_MINOR_VERSION" ]; }; then
+ echo "Required QEMU >= $SERENITY_QEMU_MIN_REQ_VERSION! Found $($SERENITY_QEMU_BIN -version | head -n 1)"
  echo "Please install a newer version of QEMU or use the Toolchain/BuildQemu.sh script."
  die
 fi