toolchain/gcc/patches/4.7.2/920-specs_nonfatal_getenv.patch


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--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -7814,7 +7814,10 @@ getenv_spec_function (int argc, const ch
 
   value = getenv (argv[0]);
   if (!value)
-    fatal_error ("environment variable %qs not defined", argv[0]);
+    {
+      warning (0, "environment variable %qs not defined", argv[0]);
+      value = "";
+    }
 
   /* We have to escape every character of the environment variable so
      they are not interpreted as active spec characters.  A