Index: b/src/libphobos/configure.ac
===================================================================
--- a/src/libphobos/configure.ac
+++ b/src/libphobos/configure.ac
@@ -167,7 +167,7 @@ AC_SUBST(phobos_toolexecdir)
 AC_SUBST(phobos_toolexeclibdir)
 
 # Default case for install directory for D sources files.
-gdc_include_dir='${libdir}/gcc/${target_alias}'/${d_gcc_ver}/include/d
+gdc_include_dir='${libdir}/gcc-cross/${target_alias}'/${d_gcc_ver}/include/d
 AC_SUBST(gdc_include_dir)
 
 dnl Checks for header files.