Added a extract_all_objects method to make recombining targets easier. Fixes #205.

build.py

@@ -159,7 +159,9 @@ class BuildTarget():
         self.process_objectlist(objects)
         self.process_kwargs(kwargs, environment)
         self.check_unknown_kwargs(kwargs)
-        if len(self.sources) == 0 and len(self.generated) == 0:
+        if len(self.sources) == 0 and \
+            len(self.generated) == 0 and \
+            len(self.objects) == 0:
             raise InvalidArguments('Build target %s has no sources.' % name)
         self.validate_sources()
 
@@ -255,6 +257,9 @@ class BuildTarget():
                 obj_src.append(src)
         return ExtractedObjects(self, obj_src)
 
+    def extract_all_objects(self):
+        return ExtractedObjects(self, self.sources)
+
     def get_rpaths(self):
         return self.get_transitive_rpaths()
 

interpreter.py

@@ -429,7 +429,8 @@ class BuildTargetHolder(InterpreterObject):
     def __init__(self, target):
         super().__init__()
         self.held_object = target
-        self.methods.update({'extract_objects' : self.extract_objects_method})
+        self.methods.update({'extract_objects' : self.extract_objects_method,
+                             'extract_all_objects' : self.extract_all_objects_method})
 
     def is_cross(self):
         return self.held_object.is_cross()
@@ -438,6 +439,10 @@ class BuildTargetHolder(InterpreterObject):
         gobjs = self.held_object.extract_objects(args)
         return GeneratedObjectsHolder(gobjs)
 
+    def extract_all_objects_method(self, args, kwargs):
+        gobjs = self.held_object.extract_all_objects()
+        return GeneratedObjectsHolder(gobjs)
+
 class ExecutableHolder(BuildTargetHolder):
     def __init__(self, target):
         super().__init__(target)

test cases/common/88 extract all/extractor.h

@@ -0,0 +1,6 @@
+#pragma once
+
+int func1();
+int func2();
+int func3();
+int func4();

test cases/common/88 extract all/four.c

@@ -0,0 +1,5 @@
+#include"extractor.h"
+
+int func4() {
+    return 4;
+}

test cases/common/88 extract all/meson.build

@@ -0,0 +1,9 @@
+project('extract all', 'c')
+
+a = static_library('a', 'one.c', 'two.c')
+b = static_library('b', 'three.c', 'four.c')
+c = static_library('c', 
+  objects : [a.extract_all_objects(), b.extract_all_objects()])
+
+e = executable('proggie', 'prog.c', link_with : c)
+test('extall', e)

test cases/common/88 extract all/one.c

@@ -0,0 +1,5 @@
+#include"extractor.h"
+
+int func1() {
+    return 1;
+}

test cases/common/88 extract all/prog.c

@@ -0,0 +1,10 @@
+#include"extractor.h"
+#include<stdio.h>
+
+int main(int argc, char **argv) {
+    if((1+2+3+4) != (func1() + func2() + func3() + func4())) {
+        printf("Arithmetic is fail.\n");
+        return 1;
+    }
+    return 0;
+}

test cases/common/88 extract all/three.c

@@ -0,0 +1,5 @@
+#include"extractor.h"
+
+int func3() {
+    return 3;
+}

test cases/common/88 extract all/two.c

@@ -0,0 +1,5 @@
+#include"extractor.h"
+
+int func2() {
+    return 2;
+}