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Introduced new build system features: The variable HAIKU_DONT_INCLUDE_SRC to

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turn off the inclusion of src/Jamfile, and the rule DeferredSubInclude to
include a subdirectory in UserBuildConfig. Together they allow a developer
working on a subproject to reduce jam's parsing time when only building the
subproject. Relevant mostly on BeOS; on Linux jam is pretty fast anyway.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20321 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2007-03-04 05:09:59 +00:00
parent eb9b19800b
commit 48d60fa69c
3 changed files with 67 additions and 1 deletions
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build/jam/UserBuildConfig.sample
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@@ -75,3 +75,19 @@ AddTargetVariableToScript test.inc : fs_shell_command : fsShellCommand ;
# used, i.e. a variable "rc" referring to the rc command built for the host
# platform is defined in the script.
AddTargetVariableToScript test.inc : <build>rc ;
# Optimizing Jamfile Parsing Times
# Setting this variable will prevent the root Jamfile to include the Jamfile
# in the src directory. Instead only the directories required for building the
# build tools are included. Only useful in combination with DeferredSubInclude.
HAIKU_DONT_INCLUDE_SRC = 1 ;
# Schedule the given subdirectory for inclusion at the end of the root
# Jamfile (directly using SubInclude here is not possible). Using this
# feature together with HAIKU_DONT_INCLUDE_SRC allows developers working
# only on a subproject to reduce Jamfile parsing times considerably.
DeferredSubInclude HAIKU_TOP src tests add-ons kernel file_systems
userlandfs ;