diff --git a/mesonbuild/backend/ninjabackend.py b/mesonbuild/backend/ninjabackend.py
index 2daa98f23aa7..617229d60e1d 100644
--- a/mesonbuild/backend/ninjabackend.py
+++ b/mesonbuild/backend/ninjabackend.py
@@ -702,7 +702,7 @@ def generate_compdb(self):
                 rules += [f"{rule}{ext}" for rule in [self.compiler_to_pch_rule_name(compiler)]
                           for ext in ['', '_RSP']]
                 # Add custom MIL link rules to get the files compiled by the TASKING compiler family to MIL files included in the database
-                if compiler.get_id() in set('cctc', 'ccarm', 'cc51', 'ccmsc', 'ccpcp'):
+                if compiler.get_id() in set(('cctc', 'ccarm', 'cc51', 'ccmsc', 'ccpcp')):
                     rules += [f"{rule}{ext}" for rule in [self.get_compiler_rule_name('tasking_mil_compile', compiler.for_machine)]
                               for ext in ['', '_RSP']]
         compdb_options = ['-x'] if mesonlib.version_compare(self.ninja_version, '>=1.9') else []
@@ -1058,9 +1058,11 @@ def generate_target(self, target):
         if isinstance(target, build.StaticLibrary):
             if target.prelink:
                 final_obj_list = self.generate_prelink(target, obj_list)
-            elif linker.id in set('artc', 'ararm', 'ar51', 'armcs', 'arpcp'):
+            elif linker.id in set(('artc', 'ararm', 'ar51', 'armcs', 'arpcp')):
                 if target.get_option(OptionKey('b_tasking_mil_link')):
                     final_obj_list = self.generate_mil_link(target, obj_list)
+                else:
+                    final_obj_list = obj_list
             else:
                 final_obj_list = obj_list
         else:
@@ -2625,7 +2627,7 @@ def generate_compile_rules(self):
             for langname, compiler in clist.items():
                 if compiler.get_id() == 'clang':
                     self.generate_llvm_ir_compile_rule(compiler)
-                if compiler.get_id() == 'cctc' or compiler.get_id() == 'ccarm' or compiler.get_id() == 'cc51' or compiler.get_id() == 'ccmsc' or compiler.get_id() == 'ccpcp':
+                if compiler.get_id() in set(('cctc', 'ccarm', 'cc51', 'ccmsc', 'ccpcp')):
                     self.generate_tasking_mil_compile_rules(compiler)
                     self.generate_tasking_mil_link_rules(compiler)
                 self.generate_compile_rule_for(langname, compiler)
@@ -3065,7 +3067,7 @@ def generate_single_compile(self, target: build.BuildTarget, src,
             raise InvalidArguments(f'Invalid source type: {src!r}')
         obj_basename = self.object_filename_from_source(target, src)
         # If mil linking is enabled for the target, then compilation output has to be MIL files instead of object files
-        if compiler.get_id() == 'cctc' or compiler.get_id() == 'ccarm' or compiler.get_id() == 'cc51' or compiler.get_id() == 'ccmsc' or compiler.get_id() == 'ccpcp':
+        if compiler.get_id() in set(('cctc', 'ccarm', 'cc51', 'ccmsc', 'ccpcp')):
             if target.get_option(OptionKey('b_tasking_mil_link')) and src.endswith('.c'):
                 if obj_basename.endswith('.o'):
                     obj_basename = obj_basename[:-1] + 'mil'
@@ -3094,7 +3096,7 @@ def generate_single_compile(self, target: build.BuildTarget, src,
         # If TASKING compiler family is used and MIL linking is enabled for the target,
         # then compilation rule name is a special one to output MIL files
         # instead of object files for .c files
-        if compiler.get_id() == 'cctc' or compiler.get_id() == 'ccarm' or compiler.get_id() == 'cc51' or compiler.get_id() == 'ccmsc' or compiler.get_id() == 'ccpcp':
+        if compiler.get_id() in set(('cctc', 'ccarm', 'cc51', 'ccmsc', 'ccpcp')):
             if target.get_option(OptionKey('b_tasking_mil_link')) and src.endswith('.c'):
                 compiler_name = self.get_compiler_rule_name('tasking_mil_compile', compiler.for_machine)
             else: