Add a brief description of env.subst() to the man page. (Karol Pietrzak)

git-svn-id: http://scons.tigris.org/svn/scons/trunk@1300 fdb21ef1-2011-0410-befe-b5e4ea1792b1

diff --git a/doc/man/scons.1 b/doc/man/scons.1
index 52655bf99727f21c6745b2b8d340713a9cc28d7f..5eae209afc7ceb609c8a32aff1c451894db8a36b 100644 (file)
--- a/doc/man/scons.1
+++ b/doc/man/scons.1
@@ -4190,7 +4190,20 @@ env.SourceCode(['f1.c', 'f2.c'], env.SCCS())
 env.SourceCode('no_source.c', None)
 .EE
 '\"env.SourceCode('.', env.Subversion('file:///usr/local/Subversion'))
-'\"
+
+'\"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+.TP
+.RI env.subst( string )
+Performs construction variable interpolation
+on the specified string argument.
+
+.ES
+print env.subst("The C compiler is: $CC")
+
+def compile(target, source, env):
+    sourceDir = env.subst("${SOURCE.srcdir}")
+.EE
+
 '\"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 '\".TP
 '\".RI Subversion( repository ", " module )

diff --git a/src/CHANGES.txt b/src/CHANGES.txt
index f1350af462ea0771d12de399dd5dab35f7e71609..51fdbc3d795eefdc9ae79ecdd248823e76248640 100644 (file)
--- a/src/CHANGES.txt
+++ b/src/CHANGES.txt
@@ -397,6 +397,8 @@ RELEASE 0.97 - XXX
 
   - Add $RPATH (-R) support to the Sun linker Tool (sunlink).
 
+  - Add a description of env.subst() to the man page.
+
   From Chris Prince:
 
   - Look in the right directory, not always the local directory, for a