diff --git a/base/gcc/gcc.conf b/base/gcc/gcc.conf
index 3ab62349a..5ef750c27 100644
--- a/base/gcc/gcc.conf
+++ b/base/gcc/gcc.conf
@@ -137,6 +137,9 @@ if atstage toolchain; then
 	var_append extraconfopt ' ' "--with-mpfr=$( pkgprefix -r mpfr )"
 	var_append extraconfopt ' ' "--with-mpfr-lib=$( pkgprefix -r libdir mpfr )"
 	var_append extraconfopt ' ' "--with-mpfr-include=$( pkgprefix -r includedir mpfr )"
+	var_append extraconfopt ' ' "--with-mpc=$( pkgprefix -r libmpc )"
+	var_append extraconfopt ' ' "--with-mpc-lib=$( pkgprefix -r libdir libmpc )"
+	var_append extraconfopt ' ' "--with-mpc-include=$( pkgprefix -r includedir libmpc )"
 	var_append extraconfopt ' ' "--with-ppl=$( pkgprefix -r ppl )"
 	var_append extraconfopt ' ' "--with-ppl-lib=$( pkgprefix -r libdir ppl )"
 	var_append extraconfopt ' ' "--with-ppl-include=$( pkgprefix -r includedir ppl )"