Fix build without luajit (on another archs).

neovim.spec

@@ -42,7 +42,7 @@ Requires:       python3-neovim
 %bcond_with luajit
 %endif
 Name:           neovim
-Version:        0.8.0+git.1668161918.0d7cc5ee8
+Version:        0.8.0+git.1669111344.cd386b2c7
 Release:        0
 Summary:        Vim-fork focused on extensibility and agility
 License:        Apache-2.0 AND Vim
@@ -102,6 +102,7 @@ BuildRequires:  lua51-mpack
 %if %{with luajit}
 BuildRequires:  luajit-devel
 %else
+BuildRequires:  lua51-BitOp
 BuildRequires:  lua51-devel
 %endif
 Requires:       lua51-bit32
@@ -176,7 +177,9 @@ export CXXFLAGS="%{optflags} -fcommon"
 %{__cmake} .. -DCMAKE_BUILD_TYPE=RelWithDebInfo \
        -DPREFER_LUA=%{?with_luajit:OFF}%{!?with_luajit:ON} \
        -DLUA_PRG=%{_bindir}/%{?with_luajit:luajit}%{!?with_luajit:lua} \
+%if %{with luajit}
        -DBUSTED_PRG="$(readlink -f ../lj-busted.sh)" \
+%endif
        -DUSE_BUNDLED=OFF -DLUAJIT_USE_BUNDLED=ON  \
        -DCMAKE_SKIP_RPATH=ON -DCMAKE_VERBOSE_MAKEFILE=ON \
        -DCMAKE_COLOR_MAKEFILE=OFF \
@@ -222,6 +225,7 @@ mkdir -p %{buildroot}%{vimplugin_dir}/{after,after/syntax,autoload,colors,doc,ft
 export NO_BRP_CHECK_RPATH=true
 
 %check
+%if %{with luajit}
 # Tests fail on aarch64 gh#neovim/neovim#18176
 %ifnarch aarch64
 # set vars to make build reproducible in spite of config/CMakeLists.txt
@@ -231,6 +235,7 @@ pushd build
 %make_build BUSTED_PRG=$(readlink -f ../lj-busted.sh) unittest
 popd
 %endif
+%endif
 
 %if 0%{?suse_version} && 0%{?suse_version} < 1330
 %post