Index: head/lang/rust/files/config.toml
===================================================================
--- head/lang/rust/files/config.toml	(revision 493903)
+++ head/lang/rust/files/config.toml	(revision 493904)
@@ -1,35 +1,42 @@
 [build]
 
 # Use bundled crates; this should permit offline build.
 vendor = true
 
 # In addition to rustc, rust-std and rust-docs, build Cargo.
 extended = true
 
 # python(1) location.
 python = "%PYTHON_CMD%"
 
 # Do we want to build docs?
 docs = %DOCS%
 
 [install]
 
 # Install location.
 prefix = "%PREFIX%"
 sysconfdir = "%SYSCONFDIR%"
 mandir = "%MANDIR%"
 
 [rust]
 
 # Rust release channel.
 channel = "%CHANNEL%"
 
+default-linker = "%CC%"
+
 [llvm]
 ccache = %CCACHE%
+#targets = "X86;ARM;AArch64;Mips;PowerPC;SystemZ;JSBackend;MSP430;Sparc;NVPTX;Hexagon"
+#experimental-targets = "WebAssembly;RISCV"
 
 [target.%TARGET%]
+cc = "%CC%"
+cxx = "%CXX%"
+linker = "%CC%"
 
 [dist]
 
 # Do not build the source archive.
 src-tarball = false