compiler/rust: move ACORN PRNG to shared location

Move the ACORN random number generator from src/nouveau/compiler/acorn/
to src/compiler/rust/acorn/ so it can be shared between different
driver hardware test infrastructures.

Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com>
Acked-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Reviewed-by: Lorenzo Rossi <lorenzo.rossi@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/42165>

src/compiler/rust/meson.build

@@ -172,6 +172,18 @@ if with_tests and get_option('b_sanitize') == 'none'
   )
 endif
 
+_libacorn_rs = static_library(
+  'acorn',
+  files('acorn/lib.rs'),
+  gnu_symbol_visibility : 'hidden',
+  rust_abi : 'rust',
+  rust_args : _compiler_rust_args,
+)
+
+idep_acorn_rs = declare_dependency(
+  link_with : _libacorn_rs,
+)
+
 idep_compiler_rs = declare_dependency(
   link_with : _libcompiler_rs,
 )

src/nouveau/compiler/meson.build

@@ -33,18 +33,6 @@ libnak_c_files = files(
   'nak_nir_rematerialize_load_const.c',
 )
 
-_libacorn_rs = static_library(
-  'acorn',
-  files('acorn/lib.rs'),
-  gnu_symbol_visibility : 'hidden',
-  rust_abi : 'rust',
-  rust_args : nouveau_rust_args,
-)
-
-idep_acorn_rs = declare_dependency(
-  link_with : _libacorn_rs,
-)
-
 libnak_deps = [
   idep_mesautil,
   idep_nir_headers,
@@ -147,13 +135,11 @@ if with_tests and get_option('b_sanitize') == 'none' and not with_platform_andro
       idep_compiler.partial_dependency(link_args : true, links : true),
       idep_mesautil.partial_dependency(link_args : true, links : true),
       idep_nv_push_rs,
+      idep_acorn_rs,
     ],
     # This is needed to ensure we link against glibc
     # See also https://gitlab.freedesktop.org/mesa/mesa/-/issues/11632
     rust_args: ['-C', 'default-linker-libraries'],
-    link_with: [
-      _libacorn_rs,
-    ],
   )
 endif