toolchain/gcc/patches/7.5.0/920-specs_nonfatal_getenv.patch

   1 Author: Jo-Philipp Wich <jow@openwrt.org>
   2 Date:   Sat Apr 21 03:02:39 2012 +0000
   3
   4     gcc: add patch to make the getenv() spec function nonfatal if requested environment variable is unset
   5
   6     SVN-Revision: 31390
   7
   8 --- a/gcc/gcc.c
   9 +++ b/gcc/gcc.c
  10 @@ -9281,8 +9281,10 @@ getenv_spec_function (int argc, const ch
  11      value = varname;
  12
  13    if (!value)
  14 -    fatal_error (input_location,
  15 -                "environment variable %qs not defined", varname);
  16 +    {
  17 +      warning (input_location, "environment variable %qs not defined", varname);
  18 +      value = "";
  19 +    }
  20
  21    /* We have to escape every character of the environment variable so
  22       they are not interpreted as active spec characters.  A