Initial commit

set-cross-compile.sh

@@ -0,0 +1,18 @@
+set -e
+set -x
+
+TARGET="$1"
+
+# On macOS and Windows, we can cross-compile to all possible targets without
+# using cross.
+if uname -a | grep --quiet --extended-regexp -i "darwin|msys|windows"; then
+    echo "needs-cross=false" >> $GITHUB_OUTPUT
+    exit 0
+fi
+
+if echo "$TARGET" | grep --quiet --extended-regexp -i '(x86_64|586|686).+linux-(gnu|musl)'; then
+    echo "needs-cross=false" >> $GITHUB_OUTPUT
+    exit 0
+fi
+
+echo "needs-cross=true" >> $GITHUB_OUTPUT