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Diffstat (limited to 'doc/man/scons.1')
| -rw-r--r-- | doc/man/scons.1 | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/doc/man/scons.1 b/doc/man/scons.1 index 96bd467..14a0bf2 100644 --- a/doc/man/scons.1 +++ b/doc/man/scons.1 @@ -149,6 +149,28 @@ import os env = Environment(ENV = {'PATH' : os.environ['PATH']}) .EE +Similarly, if the commands use external environment variables +like $PATH, $HOME, $JAVA_HOME, $LANG, $SHELL, $TERM, etc., +these variables can also be explicitly propagated: + +.ES +import os +env = Environment(ENV = {'PATH' : os.environ['PATH'], + 'HOME' : os.environ['HOME']}) +.EE + +Or you may explicitly propagate the invoking user's +complete external environment: + +.ES +import os +env = Environment(ENV = os.environ['PATH']) +.EE + +This comes at the expense of making your build +dependent on the user's environment being set correctly, +but it may be more convenient for many configurations. + .B scons can scan known input files automatically for dependency information (for example, #include statements @@ -2537,7 +2559,7 @@ Example: .ES print 'before:',env['ENV']['INCLUDE'] include_path = '/foo/bar:/foo' -env.PrependENVPath('INCLUDE', include_path) +env.AppendENVPath('INCLUDE', include_path) print 'after:',env['ENV']['INCLUDE'] yields: @@ -3716,7 +3738,7 @@ after: /foo/bar:/foo:/biz '\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" .TP -.RI env.AppendUnique( key = val ", [...])" +.RI env.PrependUnique( key = val ", [...])" Appends the specified keyword arguments to the beginning of construction variables in the environment. If the Environment does not have |