COMP: ccmake requires ncurses, according to Berk and since it doesn't build

CMakeLists.txt

@@ -317,6 +317,7 @@ MACRO (CMAKE_BUILD_UTILITIES)
   #---------------------------------------------------------------------
   # Use curses?
   IF (UNIX)
+    SET(CURSES_NEED_NCURSES TRUE)
     FIND_PACKAGE(Curses QUIET)
     IF (CURSES_LIBRARY)
       OPTION(BUILD_CursesDialog "Build the CMake Curses Dialog ccmake" ON)

Modules/FindCurses.cmake

@@ -1,13 +1,72 @@
 # - Find the curses include file and library
 #
+#  CURSES_FOUND - system has Curses
+#  CURSES_INCLUDE_DIR - the Curses include directory
+#  CURSES_LIBRARIES - The libraries needed to use Curses
+#
+# Set CURSES_NEED_NCURSES to TRUE before the FIND_PACKAGE() command if NCurses 
+# functionality is required.
+
+FIND_LIBRARY(CURSES_CURSES_LIBRARY NAMES curses )
+
+FIND_LIBRARY(CURSES_NCURSES_LIBRARY NAMES ncurses )
+
+SET(CURSES_USE_NCURSES FALSE)
+
+IF(CURSES_NCURSES_LIBRARY  AND NOT  CURSES_CURSES_LIBRARY)
+  SET(CURSES_USE_NCURSES TRUE)
+ENDIF(CURSES_NCURSES_LIBRARY  AND NOT  CURSES_CURSES_LIBRARY)
+
+
+# Not sure the logic is correct here.
+# If NCurses is required, use the function wsyncup() to check if the library
+# has NCurses functionality (at least this is where it breaks on NetBSD).
+# If wsyncup is in curses, use this one.
+# If not, try to find ncurses and check if this has the symbol.
+# Once the ncurses library is found, search the ncurses.h header first, but
+# some web pages also say that even with ncurses there is not always a ncurses.h:
+# http://osdir.com/ml/gnome.apps.mc.devel/2002-06/msg00029.html
+# So at first try ncurses.h, if not found, try to find curses.h under the same
+# prefix as the library was found, if still not found, try curses.h with the 
+# default search paths.
+IF(CURSES_CURSES_LIBRARY  AND  CURSES_NEED_NCURSES)
+  INCLUDE(CheckLibraryExists)
+  CHECK_LIBRARY_EXISTS("${CURSES_CURSES_LIBRARY}" wsyncup "" CURSES_CURSES_HAS_WSYNCUP)
+
+  IF(CURSES_NCURSES_LIBRARY  AND NOT  CURSES_CURSES_HAS_WSYNCUP)
+    CHECK_LIBRARY_EXISTS("${CURSES_NCURSES_LIBRARY}" wsyncup "" CURSES_NCURSES_HAS_WSYNCUP)
+    IF( CURSES_NCURSES_HAS_WSYNCUP)
+      SET(CURSES_USE_NCURSES TRUE)
+    ENDIF( CURSES_NCURSES_HAS_WSYNCUP)
+  ENDIF(CURSES_NCURSES_LIBRARY  AND NOT  CURSES_CURSES_HAS_WSYNCUP)
+
+ENDIF(CURSES_CURSES_LIBRARY  AND  CURSES_NEED_NCURSES)
+
+
+IF(NOT CURSES_USE_NCURSES)
+  FIND_PATH(CURSES_CURSES_INCLUDE_PATH curses.h )
+  SET(CURSES_INCLUDE_PATH "${CURSES_CURSES_INCLUDE_PATH}")
+  SET(CURSES_LIBRARY "${CURSES_CURSES_LIBRARY}")
+  GET_FILENAME_COMPONENT(_cursesLibDir "${CURSES_CURSES_LIBRARY}" PATH)
+  GET_FILENAME_COMPONENT(_cursesParentDir "${_cursesLibDir}" PATH)
+ELSE(NOT CURSES_USE_NCURSES)
+# we need to find ncurses
+  FIND_PATH(CURSES_NCURSES_INCLUDE_PATH ncurses.h ncurses/ncurses.h  ncurses/curses.h)
+  GET_FILENAME_COMPONENT(_cursesLibDir "${CURSES_NCURSES_LIBRARY}" PATH)
+  GET_FILENAME_COMPONENT(_cursesParentDir "${_cursesLibDir}" PATH)
+  FIND_PATH(CURSES_NCURSES_INCLUDE_PATH curses.h  PATHS "${_cursesParentDir}/include" NO_DEFAULT_PATH)
+  FIND_PATH(CURSES_NCURSES_INCLUDE_PATH curses.h)
 
-FIND_PATH(CURSES_INCLUDE_PATH curses.h )
+  SET(CURSES_INCLUDE_PATH "${CURSES_NCURSES_INCLUDE_PATH}")
+  SET(CURSES_LIBRARY "${CURSES_NCURSES_LIBRARY}")
+ENDIF(NOT CURSES_USE_NCURSES)
 
-FIND_LIBRARY(CURSES_LIBRARY NAMES curses ncurses )
 
+FIND_LIBRARY(CURSES_EXTRA_LIBRARY cur_colr PATHS "${_cursesLibDir}" NO_DEFAULT_PATH)
 FIND_LIBRARY(CURSES_EXTRA_LIBRARY cur_colr )
 
-FIND_LIBRARY(FORM_LIBRARY form )
+FIND_LIBRARY(CURSES_FORM_LIBRARY form PATHS "${_cursesLibDir}" NO_DEFAULT_PATH)
+FIND_LIBRARY(CURSES_FORM_LIBRARY form )
 
 # Need to provide the *_LIBRARIES
 SET(CURSES_LIBRARIES ${CURSES_LIBRARY})
@@ -16,9 +75,9 @@ IF(CURSES_EXTRA_LIBRARY)
   SET(CURSES_LIBRARIES ${CURSES_LIBRARIES} ${CURSES_EXTRA_LIBRARY})
 ENDIF(CURSES_EXTRA_LIBRARY)
 
-IF(FORM_LIBRARY)
-  SET(CURSES_LIBRARIES ${CURSES_LIBRARIES} ${FORM_LIBRARY})
-ENDIF(FORM_LIBRARY)
+IF(CURSES_FORM_LIBRARY)
+  SET(CURSES_LIBRARIES ${CURSES_LIBRARIES} ${CURSES_FORM_LIBRARY})
+ENDIF(CURSES_FORM_LIBRARY)
 
 # Proper name is *_INCLUDE_DIR
 SET(CURSES_INCLUDE_DIR ${CURSES_INCLUDE_PATH})
@@ -28,13 +87,21 @@ SET(CURSES_INCLUDE_DIR ${CURSES_INCLUDE_PATH})
 INCLUDE(FindPackageHandleStandardArgs)
 FIND_PACKAGE_HANDLE_STANDARD_ARGS(Curses DEFAULT_MSG CURSES_LIBRARY CURSES_INCLUDE_PATH)
 
+# for compatibility
+SET(FORM_LIBRARY "${CURSES_FORM_LIBRARY}")
 
 MARK_AS_ADVANCED(
   CURSES_INCLUDE_PATH
   CURSES_LIBRARY
+  CURSES_CURSES_INCLUDE_PATH
+  CURSES_CURSES_LIBRARY
+  CURSES_NCURSES_INCLUDE_PATH
+  CURSES_NCURSES_LIBRARY
   CURSES_EXTRA_LIBRARY
   FORM_LIBRARY
   CURSES_LIBRARIES
   CURSES_INCLUDE_DIR
+  CURSES_CURSES_HAS_WSYNCUP
+  CURSES_NCURSES_HAS_WSYNCUP
   )