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--- a/mesonbuild/compilers/compilers.py
+++ b/mesonbuild/compilers/compilers.py
@@ -1202,8 +1202,10 @@
# In order to avoid relinking for RPATH removal, the binary needs to contain just
# enough space in the ELF header to hold the final installation RPATH.
paths = ':'.join(all_paths)
- if len(paths) < len(install_rpath):
- padding = 'X' * (len(install_rpath) - len(paths))
+ store_paths = ':'.join(filter(lambda path: path.startswith('@storeDir@'), all_paths))
+ extra_space_needed = len(install_rpath + (':' if install_rpath and store_paths else '') + store_paths) - len(paths)
+ if extra_space_needed > 0:
+ padding = 'X' * extra_space_needed
if not paths:
paths = padding
else:
--- a/mesonbuild/scripts/depfixer.py
+++ b/mesonbuild/scripts/depfixer.py
@@ -303,6 +303,14 @@
return
self.bf.seek(rp_off)
old_rpath = self.read_str()
+
+ if new_rpath:
+ new_rpath += b':'
+ else:
+ new_rpath = b''
+
+ new_rpath += b':'.join(filter(lambda path: path.startswith(b'@storeDir@'), old_rpath.split(b':')))
+
if len(old_rpath) < len(new_rpath):
sys.exit("New rpath must not be longer than the old one.")
# The linker does read-only string deduplication. If there is a
@@ -316,6 +324,10 @@
if not new_rpath:
self.remove_rpath_entry(entrynum)
else:
+ # clean old rpath to avoid stale references
+ # (see https://github.com/NixOS/nixpkgs/pull/46020)
+ self.bf.seek(rp_off)
+ self.bf.write(b'\0'*len(old_rpath))
self.bf.seek(rp_off)
self.bf.write(new_rpath)
self.bf.write(b'\0')
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