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Comment:TIP #491 now in voting
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SHA3-256: f80463ea2a67814ade531a6cb933200d798654dcbb2f869c7635fa8fd06b1d16
User & Date: jan.nijtmans 2018-05-02 11:53:40.591
Context
2018-05-03
15:47
Add branch-name for ongoing TIP #497 implementation. Other typo. check-in: 981d899cc3 user: jan.nijtmans tags: trunk
2018-05-02
11:53
TIP #491 now in voting check-in: f80463ea2a user: jan.nijtmans tags: trunk
2018-04-25
11:33
Add another advantage (as formulated by Donald G Porter) check-in: 83413b9bcf user: jan.nijtmans tags: trunk
Changes
Unified Diff Ignore Whitespace Patch
Changes to index.json.

cannot compute difference between binary files

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<tr class='project projectfinal projectfinal87 project87'>
<td valign='top'><a href='./tip/492.md'>492</a></td>
<td valign='top'>Project</td>
<td valign='top'>8.7</td>
<td valign='top'>Final</td>
<td valign='top'># TIP 492: Introspection for &apos;tk busy&apos;</td>
</tr>
<tr class='project projectdraft projectdraft87 project87'>
<td valign='top'><a href='./tip/491.md'>491</a></td>
<td valign='top'>Project</td>
<td valign='top'>8.7</td>
<td valign='top'>Draft</td>
<td valign='top'># TIP 491: Threading Support: phasing out non-threaded builds</td>
</tr>
<tr class='project projectfinal projectfinal87 project87'>
<td valign='top'><a href='./tip/490.md'>490</a></td>
<td valign='top'>Project</td>
<td valign='top'>8.7</td>
<td valign='top'>Final</td>








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<tr class='project projectfinal projectfinal87 project87'>
<td valign='top'><a href='./tip/492.md'>492</a></td>
<td valign='top'>Project</td>
<td valign='top'>8.7</td>
<td valign='top'>Final</td>
<td valign='top'># TIP 492: Introspection for &apos;tk busy&apos;</td>
</tr>
<tr class='invote'>
<td valign='top'><a href='./tip/491.md'>491</a></td>
<td valign='top'>Project</td>
<td valign='top'>8.7</td>
<td valign='top'>Voting</td>
<td valign='top'># TIP 491: Threading Support: phasing out non-threaded builds</td>
</tr>
<tr class='project projectfinal projectfinal87 project87'>
<td valign='top'><a href='./tip/490.md'>490</a></td>
<td valign='top'>Project</td>
<td valign='top'>8.7</td>
<td valign='top'>Final</td>
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# TIP 491: Threading Support: phasing out non-threaded builds
	Author:         Jan Nijtmans <[email protected]>
	State:          Draft
	Type:           Project
	Vote:           Pending
	Created:        11-Dec-2017
	Post-History:
	Keywords:       threads
	Tcl-Version:    8.7
-----

# Abstract



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# TIP 491: Threading Support: phasing out non-threaded builds
	Author:         Jan Nijtmans <[email protected]>
	State:          Voting
	Type:           Project
	Vote:           In progress
	Created:        11-Dec-2017
	Post-History:
	Keywords:       threads
	Tcl-Version:    8.7
-----

# Abstract
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  * Include the following snippet in `tclInt.h`:
  <pre>
     #if TCL\_THREADS && !defined(USE\_THREAD\_ALLOC)
	 #   define USE\_THREAD\_ALLOC 1
	 #endif
  </pre>

This means that the (nmake/autoconf) build systems no longer need to explicitely set those
two options, a threaded build will be the default. Non-threaded builds are still possible,
adding the flag `-DTCL_THREADS=0` to the Makefile. Hopefully this further discourages
non-threaded builds.

  * In the autoconf build system, remove the `--disable-threads` option.

  * In the nmake build system, don't use `t` any longer as suffix, and remove the `nothreads` and `thrdalloc` build options.








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  * Include the following snippet in `tclInt.h`:
  <pre>
     #if TCL\_THREADS && !defined(USE\_THREAD\_ALLOC)
	 #   define USE\_THREAD\_ALLOC 1
	 #endif
  </pre>

This means that the (nmake/autoconf) build systems no longer need to explicitly set those
two options, a threaded build will be the default. Non-threaded builds are still possible,
adding the flag `-DTCL_THREADS=0` to the Makefile. Hopefully this further discourages
non-threaded builds.

  * In the autoconf build system, remove the `--disable-threads` option.

  * In the nmake build system, don't use `t` any longer as suffix, and remove the `nothreads` and `thrdalloc` build options.
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