Make the rpath order deterministic. (#3932)

1 files changed, 19 insertions, 0 deletions

diff --git a/run_unittests.py b/run_unittests.py
index 912c843..1e5ce99 100755
--- a/run_unittests.py
+++ b/run_unittests.py
@@ -3600,6 +3600,25 @@ endian = 'little'
                     return
         raise RuntimeError('Could not find the build rule')
 
+    def test_deterministic_rpath_order(self):
+        '''
+        Test that the rpaths are always listed in a deterministic order.
+        '''
+        if is_cygwin():
+            raise unittest.SkipTest('rpath are not used on Cygwin')
+        testdir = os.path.join(self.unit_test_dir, '35 rpath order')
+        self.init(testdir)
+        if is_osx():
+            rpathre = re.compile('-rpath,.*/subprojects/sub1.*-rpath,.*/subprojects/sub2')
+        else:
+            rpathre = re.compile('-rpath,\$\$ORIGIN/subprojects/sub1:\$\$ORIGIN/subprojects/sub2')
+        with open(os.path.join(self.builddir, 'build.ninja')) as bfile:
+            for line in bfile:
+                if '-rpath' in line:
+                    self.assertRegex(line, rpathre)
+                    return
+        raise RuntimeError('Could not find the rpath')
+
     @skipIfNoPkgconfig
     def test_usage_external_library(self):
         '''