[crosstool-ng/crosstool-ng] 10af18: env: Bail out if CPATH and friends are set

[Bryan Hundven]

  Branch: refs/heads/master
  Home:   https://github.com/crosstool-ng/crosstool-ng
  Commit: 10af186f5c9a45c1414c6f868d3f2ff254f6b561
      https://github.com/crosstool-ng/crosstool-ng/commit/10af186f5c9a45c1414c6f868d3f2ff254f6b561
  Author: Bryan Hundven <bryanhundven@gmail.com>
  Date:   2016-02-04 (Thu, 04 Feb 2016)

  Changed paths:
    M scripts/crosstool-NG.sh.in

  Log Message:
  -----------
  env: Bail out if CPATH and friends are set

If CPATH, C_INCLUDE_PATH, CPLUS_INCLUDE_PATH, or OBJC_INCLUDE_PATH are set, bail out.
These environment variables are known to break crosstool-ng's build.

This closes #327

Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>


  Commit: 6702ff8debf1bc1357cb16cddedb4a2087c80d22
      https://github.com/crosstool-ng/crosstool-ng/commit/6702ff8debf1bc1357cb16cddedb4a2087c80d22
  Author: Bryan Hundven <bryanhundven@gmail.com>
  Date:   2016-02-04 (Thu, 04 Feb 2016)

  Changed paths:
    M scripts/crosstool-NG.sh.in

  Log Message:
  -----------
  Merge pull request #330 from bhundven/cpath_testorabort

env: Bail out if CPATH and friends are set


Compare: https://github.com/crosstool-ng/crosstool-ng/compare/a812405b6cfc...6702ff8debf1
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