Test targets with only generated and prebuilt objects

mesonbuild/build.py

@@ -327,7 +327,7 @@ class BuildTarget():
         for s in objects:
             if hasattr(s, 'held_object'):
                 s = s.held_object
-            if isinstance(s, (str, ExtractedObjects)):
+            if isinstance(s, (str, File, ExtractedObjects)):
                 self.objects.append(s)
             elif isinstance(s, (GeneratedList, CustomTarget)):
                 msg =  'Generated files are not allowed in the \'objects\' kwarg ' + \

mesonbuild/interpreterbase.py

@@ -526,7 +526,7 @@ class InterpreterBase:
     def flatten(self, args):
         if isinstance(args, mparser.StringNode):
             return args.value
-        if isinstance(args, (int, str, InterpreterObject)):
+        if isinstance(args, (int, str, mesonlib.File, InterpreterObject)):
             return args
         result = []
         for a in args:

test cases/common/129 object only target/installed_files.txt

@@ -0,0 +1 @@
+usr/bin/prog?exe

test cases/common/129 object only target/meson.build

@@ -0,0 +1,45 @@
+project('object generator', 'c')
+
+# FIXME: Note that this will not add a dependency to the compiler executable.
+# Code will not be rebuilt if it changes.
+comp = find_program('obj_generator.py')
+
+if host_machine.system() == 'windows'
+  ext = '.obj'
+else
+  ext = '.o'
+endif
+
+cc = meson.get_compiler('c').cmd_array().get(-1)
+
+# Generate an object file with configure_file to mimic prebuilt objects
+# provided by the source tree
+source1 = configure_file(input : 'source.c',
+  output : 'source' + ext,
+  command : [comp, cc, 'source.c',
+             join_paths(meson.current_build_dir(), 'source' + ext)])
+
+obj = static_library('obj', objects : source1)
+
+# Generate an object file manually.
+gen = generator(comp,
+ output : '@BASENAME@' + ext,
+ arguments : [cc, '@INPUT@', '@OUTPUT@'])
+
+generated = gen.process(['source2.c'])
+
+shr = shared_library('shr', generated,
+  vs_module_defs : 'source2.def')
+
+# Generate an object file with indexed OUTPUT replacement.
+gen2 = generator(comp,
+ output : '@BASENAME@' + ext,
+ arguments : [cc, '@INPUT@', '@OUTPUT0@'])
+generated2 = gen2.process(['source3.c'])
+
+stc = static_library('stc', generated2)
+
+e = executable('prog', 'prog.c', link_with : [obj, shr, stc],
+  install : true)
+
+test('objgen', e)

test cases/common/129 object only target/obj_generator.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python
+
+# Mimic a binary that generates an object file (e.g. windres).
+
+import sys, shutil, subprocess
+
+if __name__ == '__main__':
+    if len(sys.argv) != 4:
+        print(sys.argv[0], 'compiler input_file output_file')
+        sys.exit(1)
+    compiler = sys.argv[1]
+    ifile = sys.argv[2]
+    ofile = sys.argv[3]
+    if compiler.endswith('cl'):
+        cmd = [compiler, '/nologo', '/MDd', '/Fo'+ofile, '/c', ifile]
+    else:
+        cmd = [compiler, '-c', ifile, '-o', ofile]
+    sys.exit(subprocess.call(cmd))

test cases/common/129 object only target/prog.c

@@ -0,0 +1,7 @@
+int func1_in_obj();
+int func2_in_obj();
+int func3_in_obj();
+
+int main(int argc, char **argv) {
+    return func1_in_obj() + func2_in_obj() + func3_in_obj();
+}

test cases/common/129 object only target/source.c

@@ -0,0 +1,3 @@
+int func1_in_obj() {
+    return 0;
+}

test cases/common/129 object only target/source2.c

@@ -0,0 +1,3 @@
+int func2_in_obj() {
+    return 0;
+}

test cases/common/129 object only target/source2.def

@@ -0,0 +1,2 @@
+EXPORTS
+        func2_in_obj

test cases/common/129 object only target/source3.c

@@ -0,0 +1,3 @@
+int func3_in_obj() {
+    return 0;
+}