ncurses: migrate to Conan v2

recipes/ncurses/all/cmake/conan-official-ncurses-targets.cmake

@@ -0,0 +1,36 @@
+# Reproduces the variables set by https://cmake.org/cmake/help/latest/module/FindCurses.html
+set(CURSES_FOUND ON)
+set(CURSES_INCLUDE_DIRS ${Curses_INCLUDE_DIRS})
+set(CURSES_CFLAGS ${Curses_DEFINITIONS} ${Curses_COMPILE_OPTIONS_C})
+set(CURSES_HAVE_CURSES_H OFF)
+set(CURSES_HAVE_NCURSES_H OFF)
+if(CURSES_NEED_NCURSES)
+    set(CURSES_HAVE_NCURSES_CURSES_H ON)
+    set(CURSES_HAVE_NCURSES_NCURSES_H ON)
+endif()
+
+# For backward compatibility with Conan v1
+string(TOUPPER "${CMAKE_BUILD_TYPE}" _CONFIG)
+set(CURSES_INCLUDE_DIRS ${CURSES_INCLUDE_DIRS}
+    ${ncurses_INCLUDE_DIRS_${_CONFIG}}
+    ${Curses_INCLUDE_DIRS_${_CONFIG}}
+)
+set(CURSES_CFLAGS ${CURSES_CFLAGS}
+    ${ncurses_DEFINITIONS_${_CONFIG}} ${ncurses_COMPILE_OPTIONS_C_${_CONFIG}}
+    ${Curses_DEFINITIONS_${_CONFIG}} ${Curses_COMPILE_OPTIONS_C_${_CONFIG}}
+)
+
+# CURSES_LIBRARIES output from CMake uses absolute paths for the libraries
+list (GET CURSES_INCLUDE_DIRS 0 _first_include_dir)
+get_filename_component(CURSES_LIB_DIRS  "${_first_include_dir}/../lib" ABSOLUTE)
+foreach(_LIB ${Curses_LIBRARIES} ${ncurses_LIBRARIES_${_CONFIG}} ${Curses_LIBRARIES_${_CONFIG}})
+    if(TARGET ${_LIB} OR IS_ABSOLUTE ${_LIB})
+        list(APPEND CURSES_LIBRARIES ${_LIB})
+    else()
+        find_library(_LIB ${_LIB} PATHS ${CURSES_LIB_DIRS})
+        list(APPEND CURSES_LIBRARIES ${_LIB})
+    endif()
+endforeach()
+
+set(CURSES_INCLUDE_DIR ${CURSES_INCLUDE_DIRS})
+set(CURSES_LIBRARY ${CURSES_LIBRARIES})