[gobject-introspection/win32-use-distutils-linker] ccompiler: use the distutils linker in the dumper

[Christoph Reiter <creiter src gnome org>]

commit c1f4af2830ff636fa32c36964f7ee7f78d94824b
Author: Christoph Reiter <reiter christoph gmail com>
Date:   Thu Aug 8 21:12:03 2019 +0200

    ccompiler: use the distutils linker in the dumper
    
    No need to hardcode things since distutils looks it up.
    Similar to !170 but for Windows.

 giscanner/ccompiler.py          | 9 +++++++++
 giscanner/dumper.py             | 6 +-----
 tests/scanner/test_ccompiler.py | 5 +++++
 3 files changed, 15 insertions(+), 5 deletions(-)
---
diff --git a/giscanner/ccompiler.py b/giscanner/ccompiler.py
index 32c92966..35549da2 100644
--- a/giscanner/ccompiler.py
+++ b/giscanner/ccompiler.py
@@ -413,6 +413,15 @@ class CCompiler(object):
                 ", ".join(not_resolved))
         return shlibs
 
+    @property
+    def linker_cmd(self):
+        if self.check_is_msvc():
+            if not self.compiler.initialized:
+                self.compiler.initialize()
+            return [self.compiler.linker]
+        else:
+            return self.compiler.linker_exe
+
     def check_is_msvc(self):
         return isinstance(self.compiler, MSVCCompiler)
 
diff --git a/giscanner/dumper.py b/giscanner/dumper.py
index abf2150e..efa18782 100644
--- a/giscanner/dumper.py
+++ b/giscanner/dumper.py
@@ -91,10 +91,6 @@ class DumpCompiler(object):
         self._uninst_srcdir = os.environ.get('UNINSTALLED_INTROSPECTION_SRCDIR')
         self._packages = ['gio-2.0', 'gmodule-2.0']
         self._packages.extend(options.packages)
-        if self._compiler.check_is_msvc():
-            self._linker_cmd = ['link.exe']
-        else:
-            self._linker_cmd = self._compiler.compiler.linker_exe
 
     # Public API
 
@@ -202,7 +198,7 @@ class DumpCompiler(object):
             if self._options.quiet:
                 args.append('--silent')
 
-        args.extend(self._linker_cmd)
+        args.extend(self._compiler.linker_cmd)
 
         # We can use -o for the Microsoft compiler/linker,
         # but it is considered deprecated usage
diff --git a/tests/scanner/test_ccompiler.py b/tests/scanner/test_ccompiler.py
index 5890aa9b..6c0674a1 100644
--- a/tests/scanner/test_ccompiler.py
+++ b/tests/scanner/test_ccompiler.py
@@ -62,6 +62,11 @@ class UnixCCompilerTest(unittest.TestCase):
             except ValueError:
                 self.fail('%r is not a subsequence of %r' % (list1, list2))
 
+    def test_link_cmd(self):
+        with Environ(dict(CC="foobar")):
+            compiler = CCompiler()
+            self.assertEqual(compiler.linker_cmd[0], "foobar")
+
     def test_link_args_override(self):
         with Environ(dict(CC="foobar")):
             compiler = CCompiler()