diff --git a/lang/rust/Makefile b/lang/rust/Makefile
--- a/lang/rust/Makefile
+++ b/lang/rust/Makefile
@@ -50,17 +50,23 @@
 # ?= to allow users to still overwrite it in make.conf.
 TMPDIR?=	${WRKDIR}
 
-OPTIONS_DEFINE=		DOCS GDB SOURCES WASM
+OPTIONS_DEFINE=		DOCS GDB PORT_LLVM SOURCES WASM
 OPTIONS_DEFAULT=	SOURCES WASM
 OPTIONS_EXCLUDE_armv6=	DOCS
 
 GDB_DESC=	Install ports gdb (necessary for debugging rust programs)
+PORT_LLVM_DESC=	Build against devel/llvm${LLVM_VER} (experimental)
 SOURCES_DESC=	Install source files
 WASM_DESC=	Build the WebAssembly target (wasm32-unknown-unknown)
 
 DOCS_VARS=		_RUST_BUILD_DOCS=true
 DOCS_VARS_OFF=		_RUST_BUILD_DOCS=false
 GDB_RUN_DEPENDS=	${LOCALBASE}/bin/gdb:devel/gdb
+LLVM_VER=		13 # chase bundled LLVM
+PORT_LLVM_EXTRA_PATCHES=${PATCHDIR}/extra-patch-nopie
+PORT_LLVM_BUILD_DEPENDS=llvm-config${LLVM_VER}:devel/llvm${LLVM_VER}
+PORT_LLVM_LIB_DEPENDS=	libLLVM-${LLVM_VER}.so:devel/llvm${LLVM_VER}
+PORT_LLVM_VARS=		MAKE_ENV+=RUSTFLAGS="-Lnative=${LOCALBASE}/lib -Clink-arg=-no-pie"
 SOURCES_VARS=		_RUST_TOOLS+=src
 WASM_VARS=		_RUST_BUILD_WASM=true \
 			_RUST_TARGETS+=wasm32-unknown-unknown
@@ -204,6 +210,9 @@
 .else
 	@${ECHO_CMD} 'linker="${CC}"' >> ${WRKSRC}/config.toml
 .endif
+.if ${PORT_OPTIONS:MPORT_LLVM}
+	@${ECHO_CMD} 'llvm-config="${LOCALBASE}/llvm${LLVM_VER}/bin/llvm-config"' >> ${WRKSRC}/config.toml
+.endif
 .endfor
 	@${ECHO_CMD} '[dist]' >> ${WRKSRC}/config.toml
 	@${ECHO_CMD} 'src-tarball=false' >> ${WRKSRC}/config.toml
diff --git a/lang/rust/files/extra-patch-nopie b/lang/rust/files/extra-patch-nopie
new file mode 100644
--- /dev/null
+++ b/lang/rust/files/extra-patch-nopie
@@ -0,0 +1,30 @@
+diff --git compiler/rustc_codegen_ssa/src/back/linker.rs compiler/rustc_codegen_ssa/src/back/linker.rs
+index 9e1c6a1..0425197 100644
+--- compiler/rustc_codegen_ssa/src/back/linker.rs
++++ compiler/rustc_codegen_ssa/src/back/linker.rs
+@@ -349,7 +349,7 @@ impl<'a> Linker for GccLinker<'a> {
+                 // noop on windows w/ gcc & ld, error w/ lld
+                 if !self.sess.target.is_like_windows {
+                     // `-pie` works for both gcc wrapper and ld.
+-                    self.cmd.arg("-pie");
++                    self.cmd.arg("-no-pie");
+                 }
+             }
+             LinkOutputKind::StaticNoPicExe => {
+@@ -363,14 +363,14 @@ impl<'a> Linker for GccLinker<'a> {
+                 if !self.is_ld {
+                     // Note that combination `-static -pie` doesn't work as expected
+                     // for the gcc wrapper, `-static` in that case suppresses `-pie`.
+-                    self.cmd.arg("-static-pie");
++                    self.cmd.arg("-static");
+                 } else {
+                     // `--no-dynamic-linker` and `-z text` are not strictly necessary for producing
+                     // a static pie, but currently passed because gcc and clang pass them.
+                     // The former suppresses the `INTERP` ELF header specifying dynamic linker,
+                     // which is otherwise implicitly injected by ld (but not lld).
+                     // The latter doesn't change anything, only ensures that everything is pic.
+-                    self.cmd.args(&["-static", "-pie", "--no-dynamic-linker", "-z", "text"]);
++                    self.cmd.args(&["-static", "-no-pie", "--no-dynamic-linker", "-z", "text"]);
+                 }
+             }
+             LinkOutputKind::DynamicDylib => self.build_dylib(out_filename),