meson/megadriver: support various lib suffixes

Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32333>

bin/install_megadrivers.py

@@ -42,8 +42,13 @@ def main():
     parser.add_argument('libdir')
     parser.add_argument('drivers', nargs='+')
     parser.add_argument('--megadriver-libdir')
+    parser.add_argument('--libname-suffix', required=True)
     args = parser.parse_args()
 
+    # Not neccesarily at the end, there might be a version suffix, but let's
+    # make sure that the same suffix is in the megadriver lib name.
+    assert '.' + args.libname_suffix in args.megadriver
+
     to = resolve_libdir(args.libdir)
     if args.megadriver_libdir:
         md_to = resolve_libdir(args.megadriver_libdir)
@@ -74,7 +79,7 @@ def main():
             os.chdir(to)
 
             name, ext = os.path.splitext(driver)
-            while ext != '.so':
+            while ext != '.' + args.libname_suffix:
                 if os.path.lexists(name):
                     os.unlink(name)
                 os.symlink(driver, name)
@@ -82,9 +87,9 @@ def main():
         finally:
             os.chdir(ret)
 
-    # Remove meson-created .so symlinks
+    # Remove meson-created symlinks
     name, ext = os.path.splitext(master)
-    while ext != '.so':
+    while ext != '.' + args.libname_suffix:
         if os.path.lexists(name):
             os.unlink(name)
         name, ext = os.path.splitext(name)