From 0484caf3d60ab0316db74c72c12e5d3b042c0ac9 Mon Sep 17 00:00:00 2001
From: Thomas Nagy <tnagy@waf.io>
Date: Sun, 6 Mar 2016 13:19:14 +0100
Subject: [PATCH] docs

---
 ChangeLog | 44 +++++++++++++++++++++++++++-----------------
 1 file changed, 27 insertions(+), 17 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index bd1d9aa3..94305611 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,20 +1,30 @@
 NEW IN WAF 1.9
 --------------
-* Removed the split functions from Utils
-* Removed the command called "update"
-* Added the tool 'nobuild.py'
-* Removed qt4 and kde4 from the default modules
-* Made Clang detected first on many platforms, in particular on FreeBSD #1528
-* Modified Utils.run_once so that it accepts a list of *args
-* Removed Node.cache_sig and Node.sig #1580
-* Removed __hash__ and __eq__ from Node and Task #1629
-* Changed cflags in the beginning / cppflags at the end #1505
-* Reduced the key size in bld.task_sigs by adding bld.node_sigs and bld.imp_sigs
-* Made lazy visual studio detection the default
-* Flags given in the form ${FOO}${BAR} will be merged in commands executed without a shell
-* Added Task.get_cwd()
-* Enabled pre-forked builds by default
-* Modified the build scheduler to enable a consistent progress bar
-* Reduced the memory footprint of Task objects
-* Removed Utils.nogc
+
+* General enhancements:
+  - Add the tool 'nobuild.py'
+  - Remove qt4 and kde4 from the default modules
+  - Have Clang detected first on many platforms, in particular on FreeBSD #1528
+  - Remove Node.cache_sig and Node.sig so that dependencies are on file contents #1580
+  - Change cflags in the beginning / cppflags at the end #1505
+  - Merge ${FOO}${BAR} flags in commands executed without a shell (no space added)
+  - Interpret empty command-line defines as integer values #1704
+
+* Performance highlights:
+  - Reduce the key size in bld.task_sigs by adding bld.node_sigs and bld.imp_sigs
+  - Remove __hash__ and __eq__ from Node and Task #1629
+  - Make lazy visual studio detection the default
+  - Remove the uses of run_once that creates unfree-able memory
+  - Enable a consistent progress bar output #1641
+  - Reduce the memory footprint of Task objects, up to 50% memory reduction on large builds
+  - Enabled pre-forked builds by default to achieve faster builds, up to 2x speedup on short-lived processes
+
+* API changes:
+  - Remove the duplicate split functions from Utils
+  - Remove the command called "update"
+  - Add Task.get_cwd()
+  - Remove Utils.nogc
+  - Modify Utils.run_once so that it accepts a list of *args
+  - Improve the task consumer in Runner.py
+