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authorGravatar Jan Heylen <heyleke@gmail.com>2015-03-11 09:09:58 +0100
committerGravatar Thomas Petazzoni <thomas.petazzoni@free-electrons.com>2015-03-16 22:09:34 +0100
commit1b3ac72d0f821f858baba052287e29878f1fa062 (patch)
tree75d120ec3c7496ff0ce44acf9b19e7e5325501aa /docs/manual
parent164ac197fef763dfa61154ad41588b6701baca86 (diff)
downloadbuildroot-1b3ac72d0f821f858baba052287e29878f1fa062.tar.gz
buildroot-1b3ac72d0f821f858baba052287e29878f1fa062.tar.bz2
docs/manual: add documentation on Config.in.host
+ rearrange the structure a bit by adding a new paragraph for the Config files Signed-off-by: Jan Heylen <heyleke@gmail.com> [ThomasDS: - clarify commit title - add list continuations to fix indentation of Config.in.host details] Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Diffstat (limited to 'docs/manual')
-rw-r--r--docs/manual/adding-packages-directory.txt50
1 files changed, 46 insertions, 4 deletions
diff --git a/docs/manual/adding-packages-directory.txt b/docs/manual/adding-packages-directory.txt
index 8a88282aa1..1ce9a3bbba 100644
--- a/docs/manual/adding-packages-directory.txt
+++ b/docs/manual/adding-packages-directory.txt
@@ -11,12 +11,18 @@ Some packages have been grouped by topic in a sub-directory:
one of these categories, then create your package directory in these.
New subdirectories are discouraged, however.
+=== Config files
-=== +Config.in+ file
+For the package to be displayed in the configuration tool, you need to
+create a Config file in your package directory. There are two types:
++Config.in+ and +Config.in.host+.
-Then, create a file named +Config.in+. This file will contain the
-option descriptions related to our +libfoo+ software that will be used
-and displayed in the configuration tool. It should basically contain:
+==== +Config.in+ file
+
+For packages used on the target, create a file named +Config.in+. This
+file will contain the option descriptions related to our +libfoo+ software
+that will be used and displayed in the configuration tool. It should basically
+contain:
---------------------------
config BR2_PACKAGE_LIBFOO
@@ -49,6 +55,42 @@ supposed to contain anything but the 'bare' name of the package.
source "package/libfoo/Config.in"
--------------------------
+
+==== +Config.in.host+ file
+
+Some packages also need to be built for the host system. There are two
+options here:
+
+* The host package is only required to satisfy build-time
+ dependencies of one or more target packages. In this case, add
+ +host-foo+ to the target package's +BAR_DEPENDENCIES+ variable. No
+ +Config.in.host+ file should be created.
+
+* The host package should be explicitly selectable by the user from
+ the configuration menu. In this case, create a +Config.in.host+ file
+ for that host package:
++
+---------------------------
+config BR2_PACKAGE_HOST_FOO
+ bool "host foo"
+ help
+ This is a comment that explains what foo for the host is.
+
+ http://foosoftware.org/foo/
+---------------------------
++
+The same coding style and options as for the +Config.in+ file are valid.
++
+Finally you have to add your new +libfoo/Config.in.host+ to
++package/Config.in.host+. The files included there are 'sorted alphabetically'
+and are 'NOT' supposed to contain anything but the 'bare' name of the package.
++
+--------------------------
+source "package/foo/Config.in.host"
+--------------------------
++
+The host package will then be available from the +Host utilities+ menu.
+
[[depends-on-vs-select]]
==== Choosing +depends on+ or +select+