make network information service support optional as it was in qt

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>

CMakeLists.txt

@@ -34,6 +34,9 @@ add_feature_info(openssl WITH_OPENSSL "an open source something")
 option(WITH_ZLIB "Build zlib support" ON)
 add_feature_info(zlib WITH_ZLIB "an open source something")
 
+option(WITH_NIS "Build nis support" ON)
+add_feature_info(nis WITH_NIS "an open source something")
+
 option(WITH_CUPS "Build cups support" ON)
 add_feature_info(cups WITH_CUPS "an open source something")
 
@@ -219,6 +222,13 @@ set_package_properties(ZLIB PROPERTIES
     TYPE RECOMMENDED
 )
 
+find_package(NIS)
+set_package_properties(NIS PROPERTIES
+    PURPOSE "Required for Network Information Service support"
+    DESCRIPTION "Standard C library specific NIS implementation"
+    TYPE RECOMMENDED
+)
+
 find_package(PNG)
 set_package_properties(PNG PROPERTIES
     PURPOSE "PNG format handler"
@@ -495,6 +505,10 @@ if(NOT WITH_CUPS OR NOT CUPS_FOUND)
     katie_definition(-DQT_NO_CUPS -DQT_NO_LPR)
 endif()
 
+if(NOT WITH_NIS OR NOT NIS_FOUND)
+    katie_definition(-DQT_NO_NIS)
+endif()
+
 if(NOT WITH_DIRECTWRITE)
     katie_definition(-DQT_NO_DIRECTWRITE)
 endif()

cmake/modules/FindNIS.cmake

@@ -0,0 +1,38 @@
+# - Try to find Network Information Service
+# Once done this will define
+#
+#  NIS_FOUND - system has NIS
+#  NIS_INCLUDES - the NIS include directory
+#  NIS_LIBRARIES - The libraries needed to use NIS
+#
+# Copyright (c) 2015, Ivailo Monev, <xakepa10@gmail.com>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+
+if(NIS_INCLUDES AND NIS_LIBRARIES)
+    set(NIS_FIND_QUIETLY TRUE)
+endif()
+
+find_path(NIS_INCLUDES
+    NAMES
+    rpc/rpc.h
+    HINTS
+    $ENV{NISDIR}/include
+    /usr/include
+    /usr/local/include
+    ${INCLUDE_INSTALL_DIR}
+)
+
+find_library(NIS_LIBRARIES
+    nsl
+    HINTS
+    $ENV{NISDIR}/lib
+    /usr/lib
+    /usr/local/lib
+    ${LIB_INSTALL_DIR}
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(NIS DEFAULT_MSG NIS_INCLUDES NIS_LIBRARIES)
+
+mark_as_advanced(NIS_INCLUDES NIS_LIBRARIES)

src/gui/CMakeLists.txt

@@ -461,6 +461,14 @@ if(WITH_X11 AND X11_FOUND)
     include_directories(${X11_INCLUDE_DIR})
 endif()
 
+if(WITH_NIS AND NIS_FOUND)
+    set(EXTRA_GUI_LIBS
+        ${EXTRA_GUI_LIBS}
+        ${NIS_LIBRARIES}
+    )
+    include_directories(${NIS_INCLUDES})
+endif()
+
 katie_generate_misc("${GUI_HEADERS}" QtGui)
 katie_generate_public("${GUI_PUBLIC_HEADERS}" QtGui)
 katie_generate_map(QtGui Q_GUI_EXPORT)