Add CPPPATH to man page

git-svn-id: http://scons.tigris.org/svn/scons/trunk@158 fdb21ef1-2011-0410-befe-b5e4ea1792b1

diff --git a/doc/man/scons.1 b/doc/man/scons.1
index ad00907e630c7f53e98f76eed6d9560ce4156368..51ad838eee0e4469804f334f991353574a970efa 100644 (file)
--- a/doc/man/scons.1
+++ b/doc/man/scons.1
@@ -574,6 +574,19 @@ The command line used to compile a C source file to an object file.
 .IP CXX
 The C++ compiler.
 
+.IP CXXFLAGS 
+General options that are passed to the C++ compiler.
+
+.IP CXXCOM
+The command line used to compile a C++ source file to an object file.
+
+.IP CPPPATH
+The list of directories that the C preprocessor will search for include
+directories. The C/C++ implicit dependency scanner will search these
+directories for include files. Don't explicitly put include directory
+arguments in CCFLAGS or CXXFLAGS because the result will be non-portable
+and the directories will not be searched by the depedency scanner.
+
 .IP LINK
 The linker.