From 4dfd3748c911d5e7d228a962f3da92cbfb15b6ad Mon Sep 17 00:00:00 2001
From: Jussi Pakkanen <jpakkane@gmail.com>
Date: Mon, 19 Apr 2021 20:04:00 +0300
Subject: Xcode: fix file objects in various places.

---
 mesonbuild/backend/xcodebackend.py                 | 43 ++++++++++++++++------
 .../common/122 object only target/meson.build      |  4 ++
 2 files changed, 35 insertions(+), 12 deletions(-)

diff --git a/mesonbuild/backend/xcodebackend.py b/mesonbuild/backend/xcodebackend.py
index 1dd1f21..55caab0 100644
--- a/mesonbuild/backend/xcodebackend.py
+++ b/mesonbuild/backend/xcodebackend.py
@@ -487,13 +487,17 @@ class XCodeBackend(backends.Backend):
                 if isinstance(o, build.ExtractedObjects):
                     # Extracted objects do not live in "the Xcode world".
                     continue
-                else:
+                if isinstance(o, mesonlib.File):
+                    o = os.path.join(o.subdir, o.fname)
+                if isinstance(o, str):
                     o = os.path.join(t.subdir, o)
                     k = (tname, o)
-                    assert(k not in sel.buildfile_ids)
+                    assert(k not in self.buildfile_ids)
                     self.buildfile_ids[k] = self.gen_id()
                     assert(k not in self.fileref_ids)
                     self.fileref_ids[k] = self.gen_id()
+                else:
+                    raise RuntimeError('Unknown input type ' + str(o))
 
     def generate_source_phase_map(self):
         self.source_phase = {}
@@ -597,12 +601,15 @@ class XCodeBackend(backends.Backend):
                     # by hand in linker flags. It is also not particularly
                     # clear how to define build files in Xcode's file format.
                     continue
-                o = os.path.join(t.subdir, o)
+                if isinstance(o, mesonlib.File):
+                    o = os.path.join(o.subdir, o.fname)
+                elif isinstance(o, str):
+                    o = os.path.join(t.subdir, o)
                 idval = self.buildfile_ids[(tname, o)]
-                k = (tname, s)
+                k = (tname, o)
                 fileref = self.fileref_ids[k]
-                assert(k not in self.targetfile_ids)
-                self.targetfile_ids[k] = idval
+                assert(o not in self.filemap)
+                self.filemap[o] = idval
                 fullpath = os.path.join(self.environment.get_source_dir(), o)
                 fullpath2 = fullpath
                 o_dict = PbxDict()
@@ -736,15 +743,24 @@ class XCodeBackend(backends.Backend):
                 if isinstance(o, build.ExtractedObjects):
                     # Same as with pbxbuildfile.
                     continue
-                o = os.path.join(t.subdir, o)
+                if isinstance(o, mesonlib.File):
+                    fullpath = o.absolute_path(self.environment.get_source_dir(), self.environment.get_build_dir())
+                    o = os.path.join(o.subdir, o.fname)
+                else:
+                    o = os.path.join(t.subdir, o)
+                    fullpath = os.path.join(self.environment.get_source_dir(), o)
                 idval = self.fileref_ids[(tname, o)]
                 fileref = self.filemap[o]
-                fullpath = os.path.join(self.environment.get_source_dir(), o)
-                fullpath2 = fullpath
+                rel_name = mesonlib.relpath(fullpath, self.environment.get_source_dir())   
                 o_dict = PbxDict()
+                name = os.path.basename(o)
                 objects_dict.add_item(idval, o_dict, fullpath)
-                o_dict.add_item('isa', 'PBXBuildFile')
-                o_dict.add_item('fileRef', fileref, fullpath2)
+                o_dict.add_item('isa', 'PBXFileReference')
+                o_dict.add_item('explicitFileType', '"' + self.get_xcodetype(o) + '"')
+                o_dict.add_item('fileEncoding', '4')
+                o_dict.add_item('name', f'"{name}"')
+                o_dict.add_item('path', f'"{rel_name}"')
+                o_dict.add_item('sourceTree', 'SOURCE_ROOT')
         for tname, idval in self.target_filemap.items():
             target_dict = PbxDict()
             objects_dict.add_item(idval, target_dict, tname)
@@ -902,7 +918,10 @@ class XCodeBackend(backends.Backend):
                 if isinstance(o, build.ExtractedObjects):
                     # Do not show built object files in the project tree.   
                     continue
-                o = os.path.join(t.subdir, o)
+                if isinstance(o, mesonlib.File):
+                    o = os.path.join(o.subdir, o.fname)
+                else:
+                    o = os.path.join(t.subdir, o)
                 source_file_children.add_item(self.fileref_ids[(tname, o)], o)
             source_files_dict.add_item('name', '"Source files"')
             source_files_dict.add_item('sourceTree', '"<group>"')
diff --git a/test cases/common/122 object only target/meson.build b/test cases/common/122 object only target/meson.build
index d83a658..e2ce43e 100644
--- a/test cases/common/122 object only target/meson.build	
+++ b/test cases/common/122 object only target/meson.build	
@@ -1,5 +1,9 @@
 project('object generator', 'c')
 
+if meson.backend() == 'xcode'
+    error('MESON_SKIP_TEST object-only libraries not supported in Xcode. Patches welcome.')
+endif
+
 # 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')
-- 
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