update the targets requested

2 files changed, 11 insertions, 0 deletions

diff --git a/yapymake/__init__.py b/yapymake/__init__.py
index 34221f2..fe4b182 100644
--- a/yapymake/__init__.py
+++ b/yapymake/__init__.py
@@ -12,3 +12,10 @@ def main():
     # TODO handle SHELL
     for input_file in these_args.makefile:
         file.read(input_file)
+
+    targets = [arg for arg in these_args.targets_or_macros if '=' not in arg]
+    if len(targets) == 0:
+        targets = [file.first_non_special_target]
+
+    for target in targets:
+        file.target(target).update(file)
diff --git a/yapymake/makefile/__init__.py b/yapymake/makefile/__init__.py
index 1d262e8..7a2adfe 100644
--- a/yapymake/makefile/__init__.py
+++ b/yapymake/makefile/__init__.py
@@ -20,12 +20,14 @@ class Makefile:
     _inference_rules: List['InferenceRule']
     _macros: Dict[str, Tuple['MacroSource', TokenString]]
     _targets: Dict[str, 'Target']
+    first_non_special_target: Optional[str]
     args: Args
 
     def __init__(self, args: Args):
         self._inference_rules = []
         self._macros = dict()
         self._targets = dict()
+        self.first_non_special_target = None
         self.args = args
 
         if args.builtin_rules:
@@ -123,6 +125,8 @@ class Makefile:
                 else:
                     # it's a target rule!
                     for target in targets:
+                        if self.first_non_special_target is None:
+                            self.first_non_special_target = target
                         # > A target that has prerequisites, but does not have any commands, can be used to add to the
                         # > prerequisite list for that target.
                         # but also