improve macros, add build instruction to build macro, fix improper mkdir

macros.zig

@@ -1,20 +1,21 @@
 %zig_arches x86_64 aarch64 riscv64 %{mips64}
 
 %_zig_version @@ZIG_VERSION@@
-%__zig /usr/bin/zig
+%zig /usr/bin/zig
 
 %zig_build \
-    %__zig \\\
+    %zig \\\
+        build \\\
         --verbose  \\\
         --cache-dir zig-cache
 
 %zig_install \
     DESTDIR="%{buildroot}" %zig_build \\\
+        install \\\ 
         --prefix "%{_prefix}" \\\
         --prefix-lib-dir "%{_libdir}" \\\
         --prefix-exe-dir "%{_bindir}" \\\
-        --prefix-include-dir "%{_includedir}" \\\
-        install
+        --prefix-include-dir "%{_includedir}"
 
 %zig_test \
     %zig_build \\\

zig.spec

@@ -102,7 +102,7 @@ ln -s lib "%{__cmake_builddir}/"
 %if 35 > 0%{?fedora}
 %{__cmake_builddir}/zig build docs -Dversion-string="%{version}"
 %endif
-mkdir zig-cache
+mkdir -p zig-cache
 touch zig-cache/langref.html
 
 %install