diff --git a/configure b/configure
--- a/configure
+++ b/configure
@@ -11,6 +11,15 @@
 PKG_TEST_HEADER="<uv.h>"
 PKG_LIBS="-luv"
 
+# bincraft patch: force the vendored static libuv so the resulting binary
+# is self-contained. fs configure otherwise links system libuv whenever
+# pkg-config finds libuv-devel (installed as a build-time sysreq), yielding
+# an fs.so with NEEDED libuv.so.1 that fails to dyn.load on machines lacking
+# runtime libuv (install.packages/renv do not install SystemRequirements).
+echo "Building static libuv (bincraft: forced vendored)" 1>&2
+cp -f src/Makevars.vendor src/Makevars
+exit 0
+
 # Use pkg-config if available
 if [ `command -v pkg-config` ]; then
   PKGCONFIG_CFLAGS=`pkg-config --cflags --silence-errors ${PKG_CONFIG_NAME}`