Fix vcvars_arch usage before assignment. (#6675)

Fixes #6674
conan-io · Mar 13, 2020 · b8b3070 · b8b3070
1 parent d70e041
commit b8b3070
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/conans/client/tools/win.py b/conans/client/tools/win.py
@@ -360,6 +360,7 @@ def vcvars_command(settings, arch=None, compiler_version=None, force=False, vcva
         raise ConanException("compiler.version setting required for vcvars not defined")
 
     # https://msdn.microsoft.com/en-us/library/f2ccy3wt.aspx
+    vcvars_arch = None
     arch_setting = arch_setting or 'x86_64'
     arch_build = settings.get_safe("arch_build") or detected_architecture()
     if os_setting == 'WindowsCE':