Add AppendUnique() and PrependUnique() Environment methods. Fix using the qt Tool from a copied construction environment.

1 files changed, 36 insertions, 0 deletions

diff --git a/doc/man/scons.1 b/doc/man/scons.1
index f5c0a70..0b0756a 100644
--- a/doc/man/scons.1
+++ b/doc/man/scons.1
@@ -2035,6 +2035,24 @@ after: /biz:/foo/bar:/foo
 
 '\"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 .TP
+.RI env.AppendUnique( key = val ", [...])"
+Appends the specified keyword arguments
+to the end of construction variables in the environment.
+If the Environment does not have
+the specified construction variable,
+it is simply added to the environment.
+If the construction variable being appended to is a list,
+then any value(s) that already exist in the
+construction variable will
+.I not
+be added again to the list.
+
+.ES
+env.AppendUnique(CCFLAGS = '-g', FOO = ['foo.yyy'])
+.EE
+
+'\"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+.TP
 env.BitKeeper()
 A factory function that
 returns a Builder object
@@ -2941,6 +2959,24 @@ after: /foo/bar:/foo:/biz
 
 '\"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 .TP
+.RI env.AppendUnique( key = val ", [...])"
+Appends the specified keyword arguments
+to the beginning of construction variables in the environment.
+If the Environment does not have
+the specified construction variable,
+it is simply added to the environment.
+If the construction variable being appended to is a list,
+then any value(s) that already exist in the
+construction variable will
+.I not
+be added again to the list.
+
+.ES
+env.PrependUnique(CCFLAGS = '-g', FOO = ['foo.yyy'])
+.EE
+
+'\"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+.TP
 env.RCS()
 A factory function that
 returns a Builder object