minstall: make do_strip run with -Sx for macOS targets

This commit also adds some extra symbol noise to lib.c, in order to aid
detection of the debug information with nm.

Fixes #10943

1 files changed, 22 insertions, 6 deletions

diff --git a/unittests/linuxliketests.py b/unittests/linuxliketests.py
index 357e420..8dd9cfc 100644
--- a/unittests/linuxliketests.py
+++ b/unittests/linuxliketests.py
@@ -1773,25 +1773,41 @@ class LinuxlikeTests(BasePlatformTests):
         # If so, we can test that cmake works with "gcc -m32"
         self.do_one_test_with_nativefile('../cmake/1 basic', "['gcc', '-m32']")
 
-    @skipUnless(is_linux(), 'Test only applicable to Linux')
+    @skipUnless(is_linux() or is_osx(), 'Test only applicable to Linux and macOS')
     def test_install_strip(self):
         testdir = os.path.join(self.unit_test_dir, '103 strip')
         self.init(testdir)
         self.build()
 
         destdir = self.installdir + self.prefix
-        lib = os.path.join(destdir, self.libdir, 'liba.so')
+        if is_linux():
+            lib = os.path.join(destdir, self.libdir, 'liba.so')
+        else:
+            lib = os.path.join(destdir, self.libdir, 'liba.dylib')
         install_cmd = self.meson_command + ['install', '--destdir', self.installdir]
 
         # Check we have debug symbols by default
         self._run(install_cmd, workdir=self.builddir)
-        stdout = self._run(['file', '-b', lib])
-        self.assertIn('not stripped', stdout)
+        if is_linux():
+            # file can detect stripped libraries on linux
+            stdout = self._run(['file', '-b', lib])
+            self.assertIn('not stripped', stdout)
+        else:
+            # on macOS we need to query dsymutil instead.
+            # Alternatively, check if __dyld_private is defined
+            # in the output of nm liba.dylib, but that is not
+            # 100% reliable, it needs linking to an external library
+            stdout = self._run(['dsymutil', '--dump-debug-map', lib])
+            self.assertIn('symbols:', stdout)
 
         # Check debug symbols got removed with --strip
         self._run(install_cmd + ['--strip'], workdir=self.builddir)
-        stdout = self._run(['file', '-b', lib])
-        self.assertNotIn('not stripped', stdout)
+        if is_linux():
+            stdout = self._run(['file', '-b', lib])
+            self.assertNotIn('not stripped', stdout)
+        else:
+            stdout = self._run(['dsymutil', '--dump-debug-map', lib])
+            self.assertNotIn('symbols:', stdout)
 
     def test_isystem_default_removal_with_symlink(self):
         env = get_fake_env()