c-siphash: re-import git-subtree for 'src/c-siphash'

git subtree pull --prefix src/c-siphash git@github.com:c-util/c-siphash.git main --squash

src/c-siphash/NEWS.md

@@ -1,11 +1,9 @@
 # c-siphash - Streaming-capable SipHash Implementation
 
-## CHANGES WITH 1:
+## CHANGES WITH 1.0.0:
 
         * Initial release of c-siphash.
 
-        * TBD
+        Contributions from: David Rheinsberg, Tom Gundersen
 
-        Contributions from: TBD
-
-        - TBD, YYYY-MM-DD
+        - Brno, 2022-06-22

src/c-siphash/src/meson.build

@@ -19,10 +19,9 @@ libcsiphash_both = both_libraries(
         ],
         dependencies: libcsiphash_deps,
         install: not meson.is_subproject(),
-        link_args: [
-                '-Wl,--no-undefined',
+        link_args: dep_cstdaux.get_variable('version-scripts') == 'yes' ? [
                 '-Wl,--version-script=@0@'.format(libcsiphash_symfile),
-        ],
+        ] : [],
         link_depends: libcsiphash_symfile,
         soversion: 0,
 )