Make the Nettools backend optional.

Signed-off-by: gregory guy <gregory-tde@laposte.net>
(cherry picked from commit b4149315024044440d69dbe9a4961ffb6e45989f)

6 files changed, 55 insertions, 34 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e79e479..982f4d1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,6 +43,7 @@ tde_setup_paths( )
 
 option( WITH_ALL_OPTIONS    "Enable all optional support" OFF )
 option( WITH_GCC_VISIBILITY "Enable fvisibility and fvisibility-inlines-hidden" ${WITH_ALL_OPTIONS} )
+option( WITH_NETTOOLS       "Enable net-tools backend support"                  OFF )
 option( WITH_LIBIW          "Enable build with libiw"                           ${WITH_ALL_OPTIONS} )
 
 
diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 9db25bd..5870728 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -25,30 +25,31 @@ if( WITH_GCC_VISIBILITY )
 endif( WITH_GCC_VISIBILITY )
 
 
-##### search for programs
-
-message( STATUS "Checking for ifconfig" )
-find_program( PATH_IFCONFIG "ifconfig" DOC "Path for the ifconfig program" )
-if( NOT PATH_IFCONFIG )
-  tde_message_fatal( "Program ifconfig is required but was not found on your system." )
-endif( )
-message( STATUS "Checking for ifconfig - found ${PATH_IFCONFIG}" )
-
-message( STATUS "Checking for route" )
-find_program( PATH_ROUTE    "route"    DOC "Path for the route program"    )
-if( NOT PATH_ROUTE )
-  message( STATUS "Checking for route - not found" )
-else( )
-  message( STATUS "Checking for route - found ${PATH_ROUTE}" )
-endif( )
-
-message( STATUS "Checking for iwconfig" )
-find_program( PATH_IWCONFIG "iwconfig" DOC "Path for the iwconfig program" )
-if( NOT PATH_IWCONFIG )
-  message( STATUS "Checking for iwconfig - not found" )
-else( )
-  message( STATUS "Checking for iwconfig - found ${PATH_IWCONFIG}" )
-endif( )
+##### net-tools support
+
+if( WITH_NETTOOLS )
+    find_program( PATH_IFCONFIG "ifconfig" DOC "Path for the ifconfig program" )
+    find_program( PATH_ROUTE    "route"    DOC "Path for the route program"    )
+    find_program( PATH_IWCONFIG "iwconfig" DOC "Path for the iwconfig program" )
+
+    if( PATH_IFCONFIG-NOTFOUND )
+        tde_message_fatal( "Program ifconfig is required but was not found on your system." )
+    endif()
+    message( STATUS "Checking for ifconfig - found ${PATH_IFCONFIG}" )
+
+    if( PATH_ROUTE-NOTFOUND )
+        message( STATUS "Checking for route    - not found" )
+     else()
+        message( STATUS "Checking for route    - found ${PATH_ROUTE}" )
+    endif()
+
+    if( PATH_IWCONFIG-NOTFOUND )
+        message( STATUS "Checking for iwconfig - not found" )
+     else()
+        message( STATUS "Checking for iwconfig - found ${PATH_IWCONFIG}" )
+    endif()
+    set( WITH_NETTOOLS 1 )
+endif( WITH_NETTOOLS )
 
 
 ##### support for libiw
diff --git a/config.h.cmake b/config.h.cmake
index 791fded..f663a08 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -18,3 +18,6 @@
 
 /* Defined if you have the <iwlib.h> header */
 #cmakedefine HAVE_LIBIW @HAVE_LIBIW@
+
+/* Defined if you build with the Nettools backend */
+#cmakedefine WITH_NETTOOLS
diff --git a/src/knemod/backends/CMakeLists.txt b/src/knemod/backends/CMakeLists.txt
index 3e9ef71..afe94d3 100644
--- a/src/knemod/backends/CMakeLists.txt
+++ b/src/knemod/backends/CMakeLists.txt
@@ -14,14 +14,20 @@ link_directories(
 )
 
 
+set( _SRC_ backendbase.cpp
+           sysbackend.cpp
+)
+if( WITH_NETTOOLS )
+    list( APPEND _SRC_ nettoolsbackend.cpp )
+endif()
+
+
 ##### knemo_backends (static)
 
 tde_add_library( knemo_backends STATIC_PIC AUTOMOC
 
   SOURCES
-        backendbase.cpp
-        nettoolsbackend.cpp
-        sysbackend.cpp
+        ${_SRC_}
   LINK
      tdeio-shared
      ${IW_LIBRARIES}
diff --git a/src/knemod/backends/daemonregistry.h b/src/knemod/backends/daemonregistry.h
index 26af5ae..d3ec3b9 100644
--- a/src/knemod/backends/daemonregistry.h
+++ b/src/knemod/backends/daemonregistry.h
@@ -20,6 +20,10 @@
 #ifndef DAEMONREGISTRY_H
 #define DAEMONREGISTRY_H
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <tqstring.h>
 
 #include <tdelocale.h>
@@ -47,7 +51,9 @@ struct DaemonRegistryEntry
 DaemonRegistryEntry DaemonRegistry[] =
 {
     { "Sys", SysBackend::createInstance },
+#if defined( WITH_NETTOOLS )
     { "Nettools", NetToolsBackend::createInstance },
+#endif
     { TQString(), 0 }
 };
 
diff --git a/src/knemod/backends/kcmregistry.h b/src/knemod/backends/kcmregistry.h
index 28ffec4..38a95c6 100644
--- a/src/knemod/backends/kcmregistry.h
+++ b/src/knemod/backends/kcmregistry.h
@@ -20,6 +20,10 @@
 #ifndef KCMREGISTRY_H
 #define KCMREGISTRY_H
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <tqstring.h>
 
 #include <tdelocale.h>
@@ -42,13 +46,13 @@ struct KCMRegistryEntry
 
 KCMRegistryEntry KCMRegistry[] =
 {
-    { "Sys",
-      i18n( "Uses the sys filesystem available in 2.6 kernels and "     \
-            "direct system calls to the Linux kernel." ) },
-    { "Nettools",
-      i18n( "Uses the tools from the net-tools package like ifconfig, " \
-            "iwconfig and route to read the necessary information "     \
-            "from the ouput of these commands.") },
+    { "Sys", i18n( "Uses the sys filesystem available in 2.6 kernels and " \
+                   "direct system calls to the Linux kernel." ) },
+#if defined( WITH_NETTOOLS )
+    { "Nettools", i18n( "Uses the tools from the net-tools package like ifconfig, " \
+                        "iwconfig and route to read the necessary information "     \
+                        "from the ouput of these commands.") },
+#endif
     { TQString(), TQString() }
 };