[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.8-311-g5c54d49

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.8-311-g5c54d49

[jistone]

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      from  02a8be39355aeeba2dd873e68ec6527960fc9a12 (commit)

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- Log -----------------------------------------------------------------
commit 5c54d49ebb4da71680cb45e3be221e11b9b8d364
Author: Josh Stone <jistone@redhat.com>
Date:   Fri Feb 6 14:13:51 2009 -0800

    Save kernel autoconf options in a cache file
    
    We're getting enough autoconf tests now that it's a significant chunk of
    the build time.  Adding this cache shaves several seconds off for me.
    
    	* hash.cxx (find_hash): Compute a separate script-independent hash
    	for caching autoconf values, saved in session.stapconf_path.
    	* buildrun.cxx (compile_pass): Tweak the Makefile to read/save
    	the autoconf values in the cache directory

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog    |    7 +++
 buildrun.cxx |   54 ++++++++++++++-------
 hash.cxx     |  154 +++++++++++++++++++++++++++++++++++++---------------------
 session.h    |    1 +
 4 files changed, 143 insertions(+), 73 deletions(-)


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