[Git][reproducible-builds/reproducible-website][master] /docs/source-date-epoch/: Improve the CMake documentation

[Chris Lamb (@lamby)]

Chris Lamb pushed to branch master at Reproducible Builds / reproducible-website


Commits:
ee0d0e19 by Chris Lamb at 2023-11-24T11:18:51+00:00
/docs/source-date-epoch/: Improve the CMake documentation

- - - - -


1 changed file:

- _docs/source-date-epoch.md


Changes:

=====================================
_docs/source-date-epoch.md
=====================================
@@ -159,9 +159,9 @@ The above will work with either GNU or BSD date, and fallback to ignore `SOURCE_
 STRING(TIMESTAMP BUILD_DATE "%Y-%m-%d" UTC)
 ```
 
-... works with CMake versions 2.8.11 and higher, but it only respects
-`SOURCE_DATE_EPOCH` since version 3.8.0. If you do not have a modern CMake but
-need reproducibility you can use the less-preferred variant:
+... will compile with CMake versions 2.8.11 and higher ([released May 2013](https://cmake.org/pipermail/cmake/2013-May/054792.html)), but it only respects `SOURCE_DATE_EPOCH` since version 3.8.0 ([April 2017](https://cmake.org/pipermail/cmake-developers/2017-April/029946.html)). Note that the final argument `UTC` is required or the timestamp may vary between timezones.
+
+If you would like to support legacy/archival versions of CMake, you can use this less-preferred variant:
 
 ```
 if (DEFINED ENV{SOURCE_DATE_EPOCH})
@@ -177,8 +177,7 @@ else ()
 endif ()
 ```
 
-The above will work only with GNU `date`. See the POSIX shell example on how to
-support BSD date.
+Note that the above will work only with GNU `date`; see the POSIX shell example on how to support BSD date.
 
 ### Meson
 



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