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-rw-r--r--mesonbuild/backend/vs2010backend.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/mesonbuild/backend/vs2010backend.py b/mesonbuild/backend/vs2010backend.py
index e6a42c7..89b2b22 100644
--- a/mesonbuild/backend/vs2010backend.py
+++ b/mesonbuild/backend/vs2010backend.py
@@ -623,7 +623,10 @@ class Vs2010Backend(backends.Backend):
d_compile_args = compiler.unix_compile_flags_to_native(d.get_compile_args())
for arg in d_compile_args:
if arg.startswith('-I'):
- inc_dirs.append(arg[2:])
+ inc_dir = arg[2:]
+ # De-dup
+ if inc_dir not in inc_dirs:
+ inc_dirs.append(inc_dir)
else:
general_args.append(arg)