From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yann E. MORIN Date: Tue, 31 Dec 2019 18:12:17 +0100 Subject: [Buildroot] [PATCH 1/1] docs/manual: dependency documentation updates In-Reply-To: <20191016175545.12855-1-danwalkes@trellis-logic.com> References: <20191016175545.12855-1-danwalkes@trellis-logic.com> Message-ID: <20191231171217.GA3519@scaer> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Dan, All, On 2019-10-16 11:55 -0600, Dan Walkes spake thusly: > Update dependency documentation to detail the order-only relationship > associated with the DEPENDENCIES variable. See the thread at [1] for > details. > > [1] http://lists.busybox.net/pipermail/buildroot/2019-October/262685.html > > Signed-off-by: Dan Walkes Applied to master, after a slight rephrasing, and a bit of indentation fixup. Thanks. Regards, Yann E. MORIN. > --- > docs/manual/adding-packages-generic.txt | 8 +++++--- > docs/manual/rebuilding-packages.txt | 10 ++++++++++ > 2 files changed, 15 insertions(+), 3 deletions(-) > > diff --git a/docs/manual/adding-packages-generic.txt b/docs/manual/adding-packages-generic.txt > index b402767b05..af94f5b1ec 100644 > --- a/docs/manual/adding-packages-generic.txt > +++ b/docs/manual/adding-packages-generic.txt > @@ -358,9 +358,11 @@ not and can not work as people would expect it should: > * +LIBFOO_DEPENDENCIES+ lists the dependencies (in terms of package > name) that are required for the current target package to > compile. These dependencies are guaranteed to be compiled and > - installed before the configuration of the current package starts. In > - a similar way, +HOST_LIBFOO_DEPENDENCIES+ lists the dependencies for > - the current host package. > + installed before the configuration of the current package starts. > + However, modifications to configuration of these dependencies will > + not force a rebuild of the current package. In a similar way, > + +HOST_LIBFOO_DEPENDENCIES+ lists the dependencies for the current > + host package. > > * +LIBFOO_EXTRACT_DEPENDENCIES+ lists the dependencies (in terms of > package name) that are required for the current target package to be > diff --git a/docs/manual/rebuilding-packages.txt b/docs/manual/rebuilding-packages.txt > index 6faa67adcb..326cd1fe82 100644 > --- a/docs/manual/rebuilding-packages.txt > +++ b/docs/manual/rebuilding-packages.txt > @@ -65,6 +65,16 @@ can help you understand how to work with Buildroot: > there is no need for a full rebuild: a simple +make+ invocation > will take the changes into account. > > + * When a +FOO_DEPENDENCIES+ package is rebuilt or removed, the package > ++foo+ is not automatically rebuilt. For example, if a package +bar+ is > +listed in +FOO_DEPENDENCIES+ with +FOO_DEPENDENCIES = bar+ and the > +configuration of the +bar+ package is changed, the configuration > +change would not result in a rebuild of package +foo+ automatically. > +In this scenario, you may need to either rebuild any packages in your > +build which reference +bar+ in their +DEPENDENCIES+, or perform a > +full rebuild to ensure any +bar+ dependent packages are > +up to date. > + > Generally speaking, when you're facing a build error and you're unsure > of the potential consequences of the configuration changes you've > made, do a full rebuild. If you get the same build error, then you are > -- > 2.17.1 > > _______________________________________________ > buildroot mailing list > buildroot at busybox.net > http://lists.busybox.net/mailman/listinfo/buildroot -- .-----------------.--------------------.------------------.--------------------. | Yann E. MORIN | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: | | +33 662 376 056 | Software Designer | \ / CAMPAIGN | ___ | | +33 561 099 427 `------------.-------: X AGAINST | \e/ There is no | | http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL | v conspiracy. | '------------------------------^-------^------------------^--------------------'