branch master updated: doc: Explain why '--without-tests' may fail with modified 'check' phase.

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The following commit(s) were added to refs/heads/master by this push:
     new 3c01fcc  doc: Explain why '--without-tests' may fail with modified 
'check' phase.
3c01fcc is described below

commit 3c01fcc1bb9c086f487d9694cb91a57d7abd0880
Author: Florian Pelz <pelzflorian@pelzflorian.de>
AuthorDate: Fri Oct 2 21:59:38 2020 +0200

    doc: Explain why '--without-tests' may fail with modified 'check' phase.
    
    * doc/guix.texi (Package Transformation Options): Explain.
---
 doc/guix.texi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/guix.texi b/doc/guix.texi
index 79c79b6..da48c8a 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -9350,6 +9350,12 @@ The command above installs @code{python-notebook} on top 
of
 rebuilds everything that depends on @code{python}, including
 @code{python-notebook} itself.
 
+Internally, @option{--without-tests} relies on changing the
+@code{#:tests?} option of a package's @code{check} phase (@pxref{Build
+Systems}).  Note that some packages use a customized @code{check} phase
+that does not respect a @code{#:tests? #f} setting.  Therefore,
+@option{--without-tests} has no effect on these packages.
+
 @end table
 
 @node Additional Build Options