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Diffstat (limited to 'mesonbuild/compilers.py')
-rw-r--r-- | mesonbuild/compilers.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/mesonbuild/compilers.py b/mesonbuild/compilers.py index 2b54cc8..6a9ad4f 100644 --- a/mesonbuild/compilers.py +++ b/mesonbuild/compilers.py @@ -430,6 +430,17 @@ class CompilerArgs(list): to recursively search for symbols in the libraries. This is not needed with other linkers. ''' + + # A standalone argument must never be deduplicated because it is + # defined by what comes _after_ it. Thus dedupping this: + # -D FOO -D BAR + # would yield either + # -D FOO BAR + # or + # FOO -D BAR + # both of which are invalid. + if arg in cls.dedup2_prefixes: + return 0 if arg in cls.dedup2_args or \ arg.startswith(cls.dedup2_prefixes) or \ arg.endswith(cls.dedup2_suffixes): |