nfs-ganesha: build man pages

pkgs/servers/nfs-ganesha/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkg-config
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, sphinx
 , krb5, xfsprogs, jemalloc, dbus, libcap
 , ntirpc, liburcu, bison, flex, nfs-utils, acl
 } :
@@ -6,7 +6,7 @@
 stdenv.mkDerivation rec {
   pname = "nfs-ganesha";
   version = "6.1";
-  outputs = [ "out" "tools" ];
+  outputs = [ "out" "man" "tools" ];
 
   src = fetchFromGitHub {
     owner = "nfs-ganesha";
@@ -23,6 +23,7 @@ stdenv.mkDerivation rec {
     "-DENABLE_VFS_POSIX_ACL=ON"
     "-DUSE_ACL_MAPPING=ON"
     "-DCMAKE_BUILD_WITH_INSTALL_RPATH=ON"
+    "-DUSE_MAN_PAGE=ON"
   ];
 
   nativeBuildInputs = [
@@ -30,6 +31,7 @@ stdenv.mkDerivation rec {
     pkg-config
     bison
     flex
+    sphinx
   ];
 
   buildInputs = [
@@ -63,6 +65,6 @@ stdenv.mkDerivation rec {
     platforms = platforms.linux;
     license = licenses.lgpl3Plus;
     mainProgram = "ganesha.nfsd";
-    outputsToInstall = [ "out" "tools" ];
+    outputsToInstall = [ "out" "man" "tools" ];
   };
 }