Use /O1 instead of /Os for MSVC as the latter is deprecated.

6 years ago · 509afe752c
parent 7f9bd8d271
commit 509afe752c
1 changed files with 3 additions and 2 deletions
--- a/mesonbuild/backend/vs2010backend.py
+++ b/mesonbuild/backend/vs2010backend.py
@ -730,8 +730,9 @@ class Vs2010Backend(backends.Backend):
            ET.SubElement(type_config, 'InlineFunctionExpansion').text = 'OnlyExplicitInline'
        elif '/Ob2' in o_flags:
            ET.SubElement(type_config, 'InlineFunctionExpansion').text = 'AnySuitable'
-        # Size-preserving flags
-        if '/Os' in o_flags:
+        # In modern MSVC parlance "/O1" means size optimization.
+        # "/Os" has been deprecated.
+        if '/O1' in o_flags:
            ET.SubElement(type_config, 'FavorSizeOrSpeed').text = 'Size'
        else:
            ET.SubElement(type_config, 'FavorSizeOrSpeed').text = 'Speed'