[crosstool-ng/crosstool-ng] b75f03: Check for config file changes when restarting

[Alexey Neyman]

  Branch: refs/heads/master
  Home:   https://github.com/crosstool-ng/crosstool-ng
  Commit: b75f03146218a09a2882d5ecbb8130dac1fc7ab9
      https://github.com/crosstool-ng/crosstool-ng/commit/b75f03146218a09a2882d5ecbb8130dac1fc7ab9
  Author: Alexey Neyman <stilor@att.net>
  Date:   2017-08-21 (Mon, 21 Aug 2017)

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

  Log Message:
  -----------
  Check for config file changes when restarting

Also, save/restore per-target source directory.

Fixes #800.

Signed-off-by: Alexey Neyman <stilor@att.net>


  Commit: 2bdb632495e5e9e34ee3e8856cda134bef7d218e
      https://github.com/crosstool-ng/crosstool-ng/commit/2bdb632495e5e9e34ee3e8856cda134bef7d218e
  Author: Alexey Neyman <stilor@att.net>
  Date:   2017-08-21 (Mon, 21 Aug 2017)

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

  Log Message:
  -----------
  Reject set-but-empty environment variables

... which also lead to cryptic failures.

Fixed #743.

Signed-off-by: Alexey Neyman <stilor@att.net>


  Commit: 0346153bdbbcbccfb51469135bf019551df93471
      https://github.com/crosstool-ng/crosstool-ng/commit/0346153bdbbcbccfb51469135bf019551df93471
  Author: Alexey Neyman <stilor@att.net>
  Date:   2017-08-21 (Mon, 21 Aug 2017)

  Changed paths:
    M ct-ng.in
    M packages/gmp/package.desc
    M scripts/build/binutils/binutils.sh
    M scripts/build/cc/gcc.sh
    M scripts/crosstool-NG.sh.in
    M scripts/functions

  Log Message:
  -----------
  Save export status for environment vars

... and limit our modifications to our variables.

Fixes #762.

Signed-off-by: Alexey Neyman <stilor@att.net>


  Commit: 2aaa25d2e97460ab940225e9d10611996f541442
      https://github.com/crosstool-ng/crosstool-ng/commit/2aaa25d2e97460ab940225e9d10611996f541442
  Author: Alexey Neyman <stilor@att.net>
  Date:   2017-08-21 (Mon, 21 Aug 2017)

  Changed paths:
    M TODO

  Log Message:
  -----------
  Update TODO

Signed-off-by: Alexey Neyman <stilor@att.net>


  Commit: 9ee0e06f573d2e35444324bc308a1326bbba9a5f
      https://github.com/crosstool-ng/crosstool-ng/commit/9ee0e06f573d2e35444324bc308a1326bbba9a5f
  Author: Alexey Neyman <stilor@att.net>
  Date:   2017-08-21 (Mon, 21 Aug 2017)

  Changed paths:
    M TODO
    M ct-ng.in
    M packages/gmp/package.desc
    M scripts/build/binutils/binutils.sh
    M scripts/build/cc/gcc.sh
    M scripts/crosstool-NG.sh.in
    M scripts/functions

  Log Message:
  -----------
  Merge pull request #804 from stilor/detect-config-change

Various environment-related fixes


Compare: https://github.com/crosstool-ng/crosstool-ng/compare/b99b5288e762...9ee0e06f573d