fix binaryen on aarch64

binaryen-cmake-aarch64.patch

@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index fbd0bedb9109..e863ae9f2a05 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -122,6 +122,8 @@ ELSE()
+           set(TARGET_ARCH "x86-64")
+         elseif (${FILE_OUTPUT} MATCHES "Intel 80386")
+           set(TARGET_ARCH "i386")
++        elseif (${FILE_OUTPUT} MATCHES "aarch64")
++          set(TARGET_ARCH "ARM64")
+         elseif (${FILE_OUTPUT} MATCHES "ARM")
+           set(TARGET_ARCH "ARM")
+         else ()

rust.spec

@@ -62,6 +62,8 @@ ExclusiveArch:  %{rust_arches}
 %endif
 Source0:        https://static.rust-lang.org/dist/%{rustc_package}.tar.xz
 
+Patch1:         binaryen-cmake-aarch64.patch
+
 # Get the Rust triple for any arch.
 %{lua: function rust_triple(arch)
   local abi = "gnu"
@@ -282,6 +284,10 @@ test -f '%{local_rust_root}/bin/rustc'
 
 %setup -q -n %{rustc_package}
 
+pushd src/binaryen
+%patch1 -p1 -b.aarch64
+popd
+
 # We're disabling jemalloc, but rust-src still wants it.
 # rm -rf src/jemalloc/