aedi: better install customization

`install` command line argument is implicit only when no options are specified, and it needs to be added explicitly otherwise

aedi/target/base.py

@@ -133,8 +133,8 @@ class BuildTarget(Target):
         if state.install_path.exists():
             shutil.rmtree(state.install_path)
 
-        args = [tool, 'install']
-        args += options and options.to_list() or []
+        args = [tool]
+        args += options and options.to_list() or ['install']
 
         subprocess.run(args, check=True, cwd=state.build_path, env=state.environment)
 

aedi/target/library_tier1.py

@@ -43,7 +43,9 @@ class Bzip2Target(MakeTarget):
         opts[cflags] = state.environment[cflags] + ' -D_FILE_OFFSET_BITS=64 -O2'
 
     def post_build(self, state: BuildState):
-        state.options['PREFIX'] = state.install_path
+        opts = state.options
+        opts['install'] = None
+        opts['PREFIX'] = state.install_path
 
         self.install(state, state.options)
         self.write_pc_file(state, description='bzip2 compression library', version='1.0.8', libs='-lbz2')

aedi/target/library_tier3.py

@@ -241,7 +241,10 @@ class LuaTarget(MakeTarget):
         return state.has_source_file('src/lua.h')
 
     def post_build(self, state: BuildState):
-        state.options['INSTALL_TOP'] = state.install_path
+        opts = state.options
+        opts['install'] = None
+        opts['INSTALL_TOP'] = state.install_path
+
         self.install(state, state.options)