diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
index dc667ea42338..4ac78fec1e8a 100644
--- a/mesonbuild/interpreter.py
+++ b/mesonbuild/interpreter.py
@@ -1905,6 +1905,7 @@ def __init__(self, build, backend=None, subproject='', subdir='', subproject_dir
         self.coredata = self.environment.get_coredata()
         self.backend = backend
         self.subproject = subproject
+        self.summary = {}
         if modules is None:
             self.modules = {}
         else:
@@ -2012,6 +2013,7 @@ def build_func_dict(self):
                            'subdir': self.func_subdir,
                            'subdir_done': self.func_subdir_done,
                            'subproject': self.func_subproject,
+                           'summary': self.func_summary,
                            'shared_library': self.func_shared_lib,
                            'shared_module': self.func_shared_module,
                            'static_library': self.func_static_lib,
@@ -2271,7 +2273,7 @@ def func_option(self, nodes, args, kwargs):
     @stringArgs
     def func_subproject(self, nodes, args, kwargs):
         if len(args) != 1:
-            raise InterpreterException('Subproject takes exactly one argument')
+                raise InterpreterException('Subproject takes exactly one argument')
         dirname = args[0]
         return self.do_subproject(dirname, kwargs)
 
@@ -2364,6 +2366,7 @@ def do_subproject(self, dirname, kwargs):
         self.subprojects[dirname] = SubprojectHolder(subi, self.subproject_dir, dirname)
         self.build_def_files += subi.build_def_files
         self.build.merge(subi.build)
+        self.summary.update(subi.summary)
         return self.subprojects[dirname]
 
     def get_option_internal(self, optname):
@@ -2606,6 +2609,54 @@ def func_message(self, node, args, kwargs):
         argstr = self.get_message_string_arg(node)
         mlog.log(mlog.bold('Message:'), argstr)
 
+    @FeatureNew('summary', '0.50.0')
+    def func_summary(self, node, args, kwargs):
+        if self.subproject in self.summary:
+            raise InterpreterException('Summary can only be called once per project.')
+
+        if len(args) > 1:
+            raise InterpreterException('Summary accepts zero or one argument.')
+        try:
+            # To convert None to a dict
+            arg = args[0] or {}
+        except IndexError:
+            arg = {}
+
+        if not isinstance(arg, dict):
+            raise InterpreterException('Summary argument must be a dictionary.')
+        if not all(isinstance(a, dict) for a in kwargs.values()):
+            raise InterpreterException('Summary kwargs must be dictionaries.')
+
+        self.summary[self.subproject] = (arg, kwargs)
+
+    def _print_summary(self):
+        """Print the configuration summary.
+
+        Called after all projects and subprojects are configured and used to
+        print all of the configuration at once.
+        """
+        mlog.log('')
+        mlog.log(mlog.bold('Configuration Summary:'))
+
+        def printer(arg, kwargs):
+            for k, v in arg.items():
+                mlog.log(' ', k, '=', v)
+            for s, t in kwargs.items():
+                mlog.log(' ', mlog.bold(s + ':'))
+                for k, v in t.items():
+                    mlog.log('   ', k, '=', v)
+            mlog.log('')
+
+        for project, (arg, kwargs) in sorted(self.summary.items()):
+            if project == '':
+                continue
+            mlog.log('', mlog.bold('Subproject : ' + project))
+            printer(arg, kwargs)
+
+        if self.summary.get(''):
+            mlog.log('', mlog.bold('Main Project'))
+            printer(*self.summary[''])
+
     @FeatureNew('warning', '0.44.0')
     @noKwargs
     def func_warning(self, node, args, kwargs):
@@ -3877,6 +3928,8 @@ def run(self):
         FeatureDeprecated.report(self.subproject)
         if not self.is_subproject():
             self.print_extra_warnings()
+        if self.subproject == '':
+            self._print_summary()
 
     def print_extra_warnings(self):
         for c in self.build.compilers.values():