scummvm: fix aarch64 build

- fix aarch64 detection to properly enable neon
- add msys2 refs
- install license file

mingw-w64-scummvm/001-fix-host-cpu-detection.patch

@@ -0,0 +1,29 @@
+--- a/configure
++++ b/configure
+@@ -325,12 +325,15 @@
+ #localedir='${datarootdir}/locale'
+ 
+ # For cross compiling
+-_host=""
+-_host_cpu=""
++_host="$host"
++_host_cpu="$host_cpu"
+ _host_vendor=""
+ _host_os=""
+ _host_alias=""
+ 
++_build="$build"
++_build_cpu="$build_cpu"
++
+ _port_mk="ports.mk"
+ 
+ # Use temp files in the build directory
+@@ -3480,7 +3483,7 @@
+ 		;;
+ esac
+ 
+-if test -n "$_host"; then
++if test "$_host" != "$_build" ; then
+ 	# Cross-compiling mode - add your target here if needed
+ 	echo "Cross-compiling to $_host"
+ 	case "$_host" in

mingw-w64-scummvm/PKGBUILD

@@ -4,14 +4,16 @@ _realname=scummvm
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=2.9.1
-pkgrel=1
-pkgdesc="A 'virtual machine' for several classic graphical point-and-click adventure games. (mingw-w64)"
+pkgrel=2
+pkgdesc="A 'virtual machine' for several classic graphical point-and-click adventure games (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
 url='https://www.scummvm.org/'
+msys2_repository_url='https://github.com/scummvm/scummvm'
+msys2_documentation_url='https://docs.scummvm.org/'
 license=("spdx:GPL-3.0-or-later")
 makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
-             "${MINGW_PACKAGE_PREFIX}-autotools")
+             "${MINGW_PACKAGE_PREFIX}-pkgconf")
 depends=("${MINGW_PACKAGE_PREFIX}-cc-libs"
          "${MINGW_PACKAGE_PREFIX}-a52dec"
          "${MINGW_PACKAGE_PREFIX}-curl"
@@ -22,22 +24,42 @@ depends=("${MINGW_PACKAGE_PREFIX}-cc-libs"
          "${MINGW_PACKAGE_PREFIX}-fribidi"
          "${MINGW_PACKAGE_PREFIX}-glew"
          "${MINGW_PACKAGE_PREFIX}-libjpeg-turbo"
+         "${MINGW_PACKAGE_PREFIX}-libmpcdec"
          "${MINGW_PACKAGE_PREFIX}-libogg"
+         "${MINGW_PACKAGE_PREFIX}-libopenmpt"
          "${MINGW_PACKAGE_PREFIX}-libvorbis"
          "${MINGW_PACKAGE_PREFIX}-libmad"
-         "${MINGW_PACKAGE_PREFIX}-libmpeg2-git"
+         "${MINGW_PACKAGE_PREFIX}-libmpeg2"
          "${MINGW_PACKAGE_PREFIX}-libtheora"
          "${MINGW_PACKAGE_PREFIX}-libpng"
+         "${MINGW_PACKAGE_PREFIX}-libvpx"
          $([[ ${CARCH} == aarch64 ]] || echo "${MINGW_PACKAGE_PREFIX}-nasm")
          "${MINGW_PACKAGE_PREFIX}-readline"
          "${MINGW_PACKAGE_PREFIX}-SDL2"
          "${MINGW_PACKAGE_PREFIX}-SDL2_net"
          "${MINGW_PACKAGE_PREFIX}-zlib")
-source=("https://downloads.scummvm.org/frs/scummvm/${pkgver}/scummvm-${pkgver}.tar.xz")
-sha256sums=('6a82f36afa9de758ab1dd377101a26a53f12417cbfd350bb8e5d7fd5b8c257e3')
+source=("https://downloads.scummvm.org/frs/scummvm/${pkgver}/${_realname}-${pkgver}.tar.xz"
+        001-fix-host-cpu-detection.patch)
+sha256sums=('6a82f36afa9de758ab1dd377101a26a53f12417cbfd350bb8e5d7fd5b8c257e3'
+            '7b669440a03b26eb638746f65b9f454028bf2593e116af0ccc68fe17dbae87cf')
+
+apply_patch_with_msg() {
+  for _patch in "$@"
+  do
+    msg2 "Applying ${_patch}"
+    patch -p1 -i "${srcdir}/${_patch}"
+  done
+}
+
+prepare() {
+  cd ${_realname}-${pkgver}
+
+  apply_patch_with_msg \
+    001-fix-host-cpu-detection.patch
+}
 
 build() {
-  mkdir -p "${srcdir}/build-${MSYSTEM}" && cd "${srcdir}/build-${MSYSTEM}"
+  mkdir -p build-${MSYSTEM} && cd build-${MSYSTEM}
 
   declare -a _extra_config
   if check_option "debug" "n"; then
@@ -46,9 +68,16 @@ build() {
     _extra_config+=("--disable-release" "--disable-optimizations" "--enable-debug")
   fi
 
-  # because of MSYS emulation, host_cpu detected as AMD64
-  if [[ ${CARCH} == aarch64 ]]; then
-    _extra_config+=("--enable-ext-neon" "--disable-ext-sse2" "--disable-ext-avx2")
+  export host=${MINGW_CHOST}
+  export host_cpu=${CARCH}
+  export build=${MINGW_CHOST}
+
+  # Suppress some annoying warnings
+  CXXFLAGS+=" -Wno-deprecated-declarations -Wno-strict-aliasing"
+  if [[ ${MSYSTEM} == CLANG* ]]; then
+    CXXFLAGS+=" -Wno-nontrivial-memcall -Wno-unused-but-set-variable"
+  else
+    CXXFLAGS+=" -Wno-cast-user-defined -Wno-class-memaccess -Wno-maybe-uninitialized -Wno-stringop-truncation"
   fi
 
   ../${_realname}-${pkgver}/configure \
@@ -59,6 +88,8 @@ build() {
 }
 
 package() {
-  cd "${srcdir}/build-${MSYSTEM}"
+  cd build-${MSYSTEM}
   make DESTDIR="${pkgdir}" install
+
+  install -Dm644 "${srcdir}"/${_realname}-${pkgver}/COPYING "${pkgdir}"${MINGW_PREFIX}/share/licenses/scummvm/LICENSE
 }