Add --debug=explain to the man page. (How did we miss this?)

git-svn-id: http://scons.tigris.org/svn/scons/trunk@1375 fdb21ef1-2011-0410-befe-b5e4ea1792b1

diff --git a/doc/man/scons.1 b/doc/man/scons.1
index f39552ea9c21f5551df5cc92177b965e4b261bf0..47a89ceed726ec17c15cf548a6900a134bfca992 100644 (file)
--- a/doc/man/scons.1
+++ b/doc/man/scons.1
@@ -543,6 +543,16 @@ This only works when run under Python 2.1 or later.
 Print the dependency tree
 after each top-level target is built. This prints out only derived files.
 
+.TP
+--debug=explain
+Print an explanation of precisely why
+.B scons
+is deciding to (re-)build any targets.
+(Note:  this does not print anything
+for targets that are
+.I not
+rebuilt.)
+
 .TP
 --debug=findlibs
 Instruct the scanner that searches for libraries

diff --git a/src/CHANGES.txt b/src/CHANGES.txt
index e49d391dad377aca0a8867d7e9c03a6a173d694d..677b09b0c1ec8ecfe981ba74fdec6f5e2d016c91 100644 (file)
--- a/src/CHANGES.txt
+++ b/src/CHANGES.txt
@@ -363,6 +363,9 @@ RELEASE 0.97 - XXX
     when building object files on Windows.  Have the the ifort Tool
     modify the default command lines appropriately.
 
+  - Document the --debug=explain option in the man page.  (How did we
+    miss this?)
+
   From Chen Lee:
 
   - Handle Visual Studio project and solution files in Unicode.