Initial commit

toolchain/gcc/patches/6.3.0/920-specs_nonfatal_getenv.patch

@@ -0,0 +1,15 @@
+--- a/gcc/gcc.c
++++ b/gcc/gcc.c
+@@ -9198,8 +9198,10 @@ getenv_spec_function (int argc, const ch
+     value = varname;
+ 
+   if (!value)
+-    fatal_error (input_location,
+-		 "environment variable %qs not defined", varname);
++    {
++      warning (input_location, "environment variable %qs not defined", varname);
++      value = "";
++    }
+ 
+   /* We have to escape every character of the environment variable so
+      they are not interpreted as active spec characters.  A