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--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -7855,7 +7855,10 @@ getenv_spec_function (int argc, const ch
value = getenv (argv[0]);
if (!value)
- fatal ("environment variable \"%s\" not defined", argv[0]);
+ {
+ error ("warning: environment variable \"%s\" 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
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