png2ico: Enable clangarm64

mingw-w64-png2ico/0001-makefile-use-cxx.patch

@@ -0,0 +1,11 @@
+--- a/Makefile
++++ b/Makefile
+@@ -5,7 +5,7 @@
+ all: png2ico
+ 
+ png2ico: png2ico.cpp
+-	g++ $(CPPFLAGS) $(DEBUG) -o $@ $< -lpng -lz -lm
++	$(CXX) $(CPPFLAGS) $(DEBUG) -o $@ $< -lpng -lz -lm
+ 
+ doc/png2ico.txt: doc/png2ico.1
+ 	man $< |sed  -e $$'s/.\b\\(.\\)/\\1/g' -e 's/\(.*\)/\1'$$'\r/' >$@

mingw-w64-png2ico/PKGBUILD

@@ -7,7 +7,7 @@ pkgver="2002.12.08"
 pkgrel=3
 pkgdesc="Converts PNG files to Windows icon resource files (mingw-w64)"
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
 license=("GPL2")
 url="https://www.winterdrache.de/freeware/png2ico/"
 depends=("${MINGW_PACKAGE_PREFIX}-libpng")
@@ -15,12 +15,15 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-cc")
 options=(!strip staticlibs !buildflags)
 
 source=("${_realname}-${pkgver}.tar.gz"::"https://www.winterdrache.de/freeware/${_realname}/data/${_realname}-src-2002-12-08.tar.gz"
+        "0001-makefile-use-cxx.patch"
         "fix_include.diff")
 sha256sums=('d6bc2b8f9dacfb8010e5f5654aaba56476df18d88e344ea1a32523bb5843b68e'
+            'aacb8837e318bb014f5ce97227d87f50934cf47951bd012515f06f1a05fb3234'
             '9a386c45bd8b3d0f48d095e9dc1de87dde61a5dad175f0547b56b8d015af5a5b')
 
 prepare() {
   cd "${srcdir}/${_realname}"
+  patch -p1 -i "${srcdir}/0001-makefile-use-cxx.patch"
   patch -p1 -i "${srcdir}/fix_include.diff"
 }