handle dynamic tags unknown to lief

conda_build/os_utils/liefldd.py

@@ -159,8 +159,16 @@ def get_libraries(file):
     return result
 
 
+def _get_dynamic_tags(binary):
+    return [
+        dynamic_entry
+        for dynamic_entry in binary.dynamic_entries
+        if isinstance(dynamic_entry, ELF_DYNAMIC_TAGS)
+    ]
+
+
 def _get_elf_rpathy_thing(binary, attribute, dyn_tag):
-    dynamic_entries = binary.dynamic_entries
+    dynamic_entries = _get_dynamic_tags(binary)
     rpaths_colons = [getattr(e, attribute) for e in dynamic_entries if e.tag == dyn_tag]
     rpaths = []
     for rpath in rpaths_colons:
@@ -169,7 +177,7 @@ def _get_elf_rpathy_thing(binary, attribute, dyn_tag):
 
 
 def _set_elf_rpathy_thing(binary, old_matching, new_rpath, set_rpath, set_runpath):
-    dynamic_entries = binary.dynamic_entries
+    dynamic_entries = _get_dynamic_tags(binary)
     changed = False
     for e in dynamic_entries:
         if (
@@ -377,7 +385,7 @@ def get_uniqueness_key(filename, file):
     elif binary.format == EXE_FORMATS.ELF and (  # noqa
         binary.type == ELF32 or binary.type == ELF64
     ):
-        dynamic_entries = binary.dynamic_entries
+        dynamic_entries = _get_dynamic_tags(binary)
         result = [e.name for e in dynamic_entries if e.tag == ELF_DYNAMIC_TAGS.SONAME]
         if result:
             return result[0]

news/5778.md

@@ -0,0 +1,19 @@
+### Enhancements
+
+* <news item>
+
+### Bug fixes
+
+* Handle unknown dynanic tags in liefldd. (#5778)
+
+### Deprecations
+
+* <news item>
+
+### Docs
+
+* <news item>
+
+### Other
+
+* <news item>