Merge pull request #154082 from NickCao/cryptopp

cryptopp: be graceful when removing static lib, fixing cross compilation

pkgs/development/libraries/crypto++/default.nix

···
   doCheck = true;
 
   # always built for checks but install static lib only when necessary
-  preInstall = lib.optionalString (!enableStatic) "rm libcryptopp.a";
+  preInstall = lib.optionalString (!enableStatic) "rm -f libcryptopp.a";
 
   installTargets = [ "install-lib" ];
   installFlags = [ "LDCONF=true" ];