cleanup: Unused local variables

mesonbuild/backend/vs2010backend.py

@@ -224,7 +224,7 @@ class Vs2010Backend(backends.Backend):
             ofile.write('Microsoft Visual Studio Solution File, Format '
                         'Version 11.00\n')
             ofile.write('# Visual Studio ' + self.vs_version + '\n')
-            prj_templ = prj_line = 'Project("{%s}") = "%s", "%s", "{%s}"\n'
+            prj_templ = 'Project("{%s}") = "%s", "%s", "{%s}"\n'
             for p in projlist:
                 prj_line = prj_templ % (self.environment.coredata.guid,
                                         p[0], p[1], p[2])

mesonbuild/dependencies.py

@@ -668,7 +668,6 @@ class BoostDependency(Dependency):
             self.lib_modules_mt[modname] = fname
 
     def detect_lib_modules_nix(self):
-        libsuffix = None
         if mesonlib.is_osx():
             libsuffix = 'dylib'
         else:

mesonbuild/environment.py

@@ -635,7 +635,6 @@ class Environment():
         raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"')
 
     def detect_d_compiler(self, want_cross):
-        exelist = None
         is_cross = False
         # Search for a D compiler.
         # We prefer LDC over GDC unless overridden with the DC

mesonbuild/interpreter.py

@@ -1338,7 +1338,7 @@ class Interpreter(InterpreterBase):
                     projname, depname = di
                     subproj = self.do_subproject(projname, {})
                     self.build.cross_stdlibs[l] = subproj.get_variable_method([depname], {})
-                except KeyError as e:
+                except KeyError:
                     pass
 
     @stringArgs
@@ -1565,16 +1565,13 @@ class Interpreter(InterpreterBase):
         for defopt in self.default_project_options:
             key, value = defopt.split('=')
             pref = key + '='
-            was_found = False
             for i in default_options:
                 if i.startswith(pref):
-                    was_found = True
                     break
-                if was_found:
-                    break
-            defopt = self.subproject + ':' + defopt
-            newoptions = [defopt] + self.environment.cmd_line_options.projectoptions
-            self.environment.cmd_line_options.projectoptions = newoptions
+            else:
+                defopt = self.subproject + ':' + defopt
+                newoptions = [defopt] + self.environment.cmd_line_options.projectoptions
+                self.environment.cmd_line_options.projectoptions = newoptions
 
     @stringArgs
     def func_project(self, node, args, kwargs):