compilers: move get_dependency_gen_args to base Compiler

So that every subclass doesn't have to reimplement it. Especially since
the Gnu implementation moved out of the CCompiler and into the
GnuLikeCompiler mixin

mesonbuild/compilers/compilers.py

@@ -1062,6 +1062,9 @@ class Compiler(metaclass=abc.ABCMeta):
     def split_shlib_to_parts(self, fname: str) -> T.Tuple[T.Optional[str], str]:
         return None, fname
 
+    def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
+        return []
+
 
 def get_args_from_envvars(lang: str,
                           for_machine: MachineChoice,

mesonbuild/compilers/cs.py

@@ -61,9 +61,6 @@ class CsCompiler(BasicLinkerIsCompilerMixin, Compiler):
     def get_werror_args(self):
         return ['-warnaserror']
 
-    def get_dependency_gen_args(self, outtarget, outfile):
-        return []
-
     def get_linker_exelist(self):
         return self.exelist[:]
 

mesonbuild/compilers/cuda.py

@@ -213,9 +213,6 @@ class CudaCompiler(Compiler):
     def get_soname_args(self, *args):
         return self._cook_link_args(self.host_compiler.get_soname_args(*args))
 
-    def get_dependency_gen_args(self, outtarget, outfile):
-        return []
-
     def get_compile_only_args(self):
         return ['-c']
 

mesonbuild/compilers/d.py

@@ -99,10 +99,6 @@ class DmdLikeCompilerMixin:
     def get_werror_args(self):
         return ['-w']
 
-    def get_dependency_gen_args(self, outtarget, outfile):
-        # DMD and LDC does not currently return Makefile-compatible dependency info.
-        return []
-
     def get_coverage_args(self):
         return ['-cov']
 

mesonbuild/compilers/fortran.py

@@ -108,9 +108,6 @@ class FortranCompiler(CLikeCompiler, Compiler):
     def get_debug_args(self, is_debug):
         return clike_debug_args[is_debug]
 
-    def get_dependency_gen_args(self, outtarget, outfile):
-        return []
-
     def get_preprocess_only_args(self):
         return ['-cpp'] + super().get_preprocess_only_args()
 

mesonbuild/compilers/java.py

@@ -37,9 +37,6 @@ class JavaCompiler(BasicLinkerIsCompilerMixin, Compiler):
     def get_werror_args(self):
         return ['-Werror']
 
-    def get_dependency_gen_args(self, outtarget, outfile):
-        return []
-
     def get_compile_only_args(self):
         return []
 

mesonbuild/compilers/mixins/arm.py

@@ -96,7 +96,6 @@ class ArmCompiler(Compiler):
     def get_always_args(self) -> T.List[str]:
         return []
 
-    # Override CCompiler.get_dependency_gen_args
     def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
         return ['--depend_target', outtarget, '--depend', outfile, '--depend_single_line']
 
@@ -171,7 +170,6 @@ class ArmclangCompiler(Compiler):
         # so it might change semantics at any time.
         return ['-include-pch', os.path.join(pch_dir, self.get_pch_name(header))]
 
-    # Override CCompiler.get_dependency_gen_args
     def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
         return ['-MD', '-MT', outtarget, '-MF', outfile]
 

mesonbuild/compilers/mixins/c2000.py

@@ -81,10 +81,6 @@ class C2000Compiler(Compiler):
     def get_pch_use_args(self, pch_dir: str, header: str) -> T.List[str]:
         return []
 
-    # Override CCompiler.get_dependency_gen_args
-    def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
-        return []
-
     def thread_flags(self, env: 'Environment') -> T.List[str]:
         return []
 

mesonbuild/compilers/mixins/ccrx.py

@@ -85,10 +85,6 @@ class CcrxCompiler(Compiler):
     def get_pch_use_args(self, pch_dir: str, header: str) -> T.List[str]:
         return []
 
-    # Override CCompiler.get_dependency_gen_args
-    def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
-        return []
-
     def thread_flags(self, env: 'Environment') -> T.List[str]:
         return []
 

mesonbuild/compilers/mixins/compcert.py

@@ -99,10 +99,6 @@ class CompCertCompiler(Compiler):
                 patched_args.append(arg)
         return patched_args
 
-    # Override CCompiler.get_dependency_gen_args
-    def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
-        return []
-
     def thread_flags(self, env: 'Environment') -> T.List[str]:
         return []
 

mesonbuild/compilers/mixins/pgi.py

@@ -86,9 +86,6 @@ class PGICompiler(Compiler):
                 parameter_list[idx] = i[:2] + os.path.normpath(os.path.join(build_dir, i[2:]))
         return parameter_list
 
-    def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
-        return []
-
     def get_always_args(self) -> T.List[str]:
         return []
 

mesonbuild/compilers/mixins/visualstudio.py

@@ -194,9 +194,6 @@ class VisualStudioLikeCompiler(Compiler, metaclass=abc.ABCMeta):
             args = [arg for arg in args if arg != '/Gw']
         return args
 
-    def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
-        return []
-
     def linker_to_compiler_args(self, args: T.List[str]) -> T.List[str]:
         return ['/link'] + args
 

mesonbuild/compilers/mixins/xc16.py

@@ -84,10 +84,6 @@ class Xc16Compiler(Compiler):
     def get_pch_use_args(self, pch_dir: str, header: str) -> T.List[str]:
         return []
 
-    # Override CCompiler.get_dependency_gen_args
-    def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
-        return []
-
     def thread_flags(self, env: 'Environment') -> T.List[str]:
         return []