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-rw-r--r--doc/PROGRAMMING23
1 files changed, 19 insertions, 4 deletions
diff --git a/doc/PROGRAMMING b/doc/PROGRAMMING
index 9963181..bd79628 100644
--- a/doc/PROGRAMMING
+++ b/doc/PROGRAMMING
@@ -250,13 +250,13 @@ write_log($cmd, $package ...)
Writes the log files for the specified package(s), adding
the cmd to the end.
-Sequence Addons
+Sequence Addons:
---------------
The dh(1) command has a --with <addon> parameter that ca be used to load
-a sequence addon named Debian::Debhelper::Sequence::<addon>.
-These addons can add/remove commands to the dh command sequences, by calling
-some functions from Dh_Lib:
+a sequence addon module named Debian::Debhelper::Sequence::<addon>.
+These modules can add/remove commands to the dh command sequences, by
+calling some functions from Dh_Lib:
insert_before($existing_command, $new_command)
Insert $new_command in sequences before $existing_command
@@ -267,4 +267,19 @@ insert_after($existing_command, $new_command)
remove_command($existing_command)
Remove $existing_command from the list of commands to run.
+Buildsystem Classes:
+-------------------
+
+The dh_auto_* commands are frontends that use debhelper buildsystem
+classes. These classes have names like Debian::Debhelper::Buildsystem::foo,
+and are derived from Debian::Debhelper::Buildsystem, or other, related
+classes.
+
+A buildsystem class needs to inherit or define these methods: DESCRIPTION,
+check_auto_buildable, build, test, install, clean. See the comments
+inside Debian::Debhelper::Buildsystem for details.
+
+Note that third-party buildsystems will not automatically be used by default,
+but can be forced to be used via the --buildsystem parameter.
+
-- Joey Hess <joeyh@debian.org>