cmake: fix empty BOOL generator expression evaluating to true

2 years ago · 4fab71f481
parent 727b737bc3
commit 4fab71f481
1 changed files with 1 additions and 1 deletions
--- a/mesonbuild/cmake/generator.py
+++ b/mesonbuild/cmake/generator.py
@ -100,7 +100,7 @@ def parse_generator_expressions(

    supported = {
        # Boolean functions
-        'BOOL': lambda x: '0' if x.upper() in {'0', 'FALSE', 'OFF', 'N', 'NO', 'IGNORE', 'NOTFOUND'} or x.endswith('-NOTFOUND') else '1',
+        'BOOL': lambda x: '0' if x.upper() in {'', '0', 'FALSE', 'OFF', 'N', 'NO', 'IGNORE', 'NOTFOUND'} or x.endswith('-NOTFOUND') else '1',
        'AND': lambda x: '1' if all(y == '1' for y in x.split(',')) else '0',
        'OR': lambda x: '1' if any(y == '1' for y in x.split(',')) else '0',
        'NOT': lambda x: '0' if x == '1' else '1',