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Diffstat (limited to 'src/Announce.txt')
| -rw-r--r-- | src/Announce.txt | 64 |
1 files changed, 34 insertions, 30 deletions
diff --git a/src/Announce.txt b/src/Announce.txt index c20d7df..266988f 100644 --- a/src/Announce.txt +++ b/src/Announce.txt @@ -18,36 +18,6 @@ So that everyone using SCons can help each other learn how to use it more effectively, please go to http://scons.org/lists.php#users to sign up for the scons-users mailing list. -==============IMPORTANT NOTICE FOR NEXT VERSION V2.5.0========== -PLEASE READ. CHANGES COMING IN NEXT MAJOR RELEASE V2.5.0 - -We're enhancing implicit language scanning functionality to improve -correctness. SCons now honors scanner keys for implicit dependencies -and correctly changes scanner type (if necessary) when traversing -implicit dependency trees. - -This enhancement resolves missing dependencies -with built-in scanners including SWIG (#2264) and QT: -* http://scons.tigris.org/issues/show_bug.cgi?id=2264 - -This enhancement broadens the horizon for handling heterogeneous -data flow environments (E.G. software builds): -* http://article.gmane.org/gmane.comp.programming.tools.scons.user/26596 -Notes: - -* SCons may find new (and correct) dependencies in cross-langauge contexts. -** Update may cause rebuilds, especially in heterogeneous data environments. -** Update may find previously missed dependencies errors (E.G. cycles). -*** Discovered in some QT test cases. -* SCons handles the SCANNERS variable differently. -** Previously, the Install builder would scan implicit dependencies for - a scanner found in SCANNERS (but not for built-in scanners), but now - the Install builder will not scan recursively regardless in order - to optimize Install behaviour and bring orthogonality to previous behaviour. - -+================================================================= - - RELEASE VERSION/DATE TO BE FILLED IN LATER Please consult the RELEASE.txt file for a summary of changes since the last @@ -55,6 +25,40 @@ RELEASE VERSION/DATE TO BE FILLED IN LATER since last release. This announcement highlights only the important changes. + - Please note the following important changes since release 2.4.1: + We're enhancing implicit language scanning functionality to improve + correctness. SCons now honors scanner keys for implicit dependencies + and correctly changes scanner type (if necessary) when traversing + implicit dependency trees. + + This enhancement resolves missing dependencies + with built-in scanners including SWIG (#2264) and QT: + * http://scons.tigris.org/issues/show_bug.cgi?id=2264 + + - This enhancement broadens the horizon for handling heterogeneous + data flow environments (E.G. software builds): + - http://article.gmane.org/gmane.comp.programming.tools.scons.user/26596 + + - SCons may find new (and correct) dependencies in cross-langauge contexts. + - Update may cause rebuilds, especially in heterogeneous data environments. + - Update may find previously missed dependencies errors (E.G. cycles). + - Discovered in some QT test cases. + - SCons handles the SCANNERS variable differently. + - Previously, the Install builder would scan implicit dependencies for + a scanner found in SCANNERS (but not for built-in scanners), but now + the Install builder will not scan recursively regardless in order + to optimize Install behaviour and bring orthogonality to previous behaviour. + + - SCons handles cache directories a bit differently/ + - Cache files are now stored in 256 subdirectories in the cache directory by + default (this stresses NFS less). Existing cache directories will remain as + current, but SCons will prompt you to run scons-configure-cache which will + allow you to migrate to the new layout, or confirm you want to use the + existing layout. + + - New external tool scons-configurecache which allows some configuration of + how files in the cache are controlled. + Please note the following important changes since release 2.4.0: - Fix to swig tool - pick-up 'swig', 'swig3.0' and 'swig2.0' (in order). - Fix to swig tool - respect env['SWIG'] provided by user. |