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-rw-r--r--mesonbuild/interpreter.py9
1 files changed, 8 insertions, 1 deletions
diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
index 31d7616c2..b838f2859 100644
--- a/mesonbuild/interpreter.py
+++ b/mesonbuild/interpreter.py
@@ -1684,7 +1684,14 @@ external dependencies (including libraries) must go to "dependencies".''')
raise InterpreterException('Program or command {!r} not found '
'or not executable'.format(cmd))
cmd = prog
- cmd_path = os.path.relpath(cmd.get_path(), start=srcdir)
+ try:
+ cmd_path = os.path.relpath(cmd.get_path(), start=srcdir)
+ except ValueError:
+ # On Windows a relative path can't be evaluated for
+ # paths on two different drives (i.e. c:\foo and f:\bar).
+ # The only thing left to is is to use the original absolute
+ # path.
+ cmd_path = cmd.get_path()
if not cmd_path.startswith('..') and cmd_path not in self.build_def_files:
self.build_def_files.append(cmd_path)
expanded_args = []