buildman: Add options to get the arch and toolchain info
Sometimes it is useful for external tools to use buildman to provide the
toolchain information. Add an -a option which shows the value to use for
the ARCH environment variable, and -A which does the same for
CROSS_COMPILE
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/buildman/toolchain.py b/tools/buildman/toolchain.py
index 086a4d4..4f39bfd 100644
--- a/tools/buildman/toolchain.py
+++ b/tools/buildman/toolchain.py
@@ -18,6 +18,8 @@
(PRIORITY_FULL_PREFIX, PRIORITY_PREFIX_GCC, PRIORITY_PREFIX_GCC_PATH,
PRIORITY_CALC) = list(range(4))
+(VAR_CROSS_COMPILE, VAR_PATH, VAR_ARCH, VAR_MAKE_ARGS) = range(4)
+
# Simple class to collect links from a page
class MyHTMLParser(HTMLParser):
def __init__(self, arch):
@@ -145,6 +147,30 @@
return value
+ def GetEnvArgs(self, which):
+ """Get an environment variable/args value based on the the toolchain
+
+ Args:
+ which: VAR_... value to get
+
+ Returns:
+ Value of that environment variable or arguments
+ """
+ wrapper = self.GetWrapper()
+ if which == VAR_CROSS_COMPILE:
+ return wrapper + os.path.join(self.path, self.cross)
+ elif which == VAR_PATH:
+ return self.path
+ elif which == VAR_ARCH:
+ return self.arch
+ elif which == VAR_MAKE_ARGS:
+ args = self.MakeArgs()
+ if args:
+ return ' '.join(args)
+ return ''
+ else:
+ raise ValueError('Unknown arg to GetEnvArgs (%d)' % which)
+
def MakeEnvironment(self, full_path):
"""Returns an environment for using the toolchain.