1# - MACRO_OPTIONAL_FIND_PACKAGE() combines FIND_PACKAGE() with an OPTION()
2# MACRO_OPTIONAL_FIND_PACKAGE( <name> [QUIT] )
3# This macro is a combination of OPTION() and FIND_PACKAGE(), it
4# works like FIND_PACKAGE(), but additionally it automatically creates
5# an option name WITH_<name>, which can be disabled via the cmake GUI.
6# or via -DWITH_<name>=OFF
7# The standard <name>_FOUND variables can be used in the same way
8# as when using the normal FIND_PACKAGE()
9
10MACRO (MACRO_OPTIONAL_FIND_PACKAGE _name )
11   OPTION(WITH_${_name} "Search for ${_name} package" ON)
12   if (WITH_${_name})
13      FIND_PACKAGE(${_name} ${ARGN})
14   else (WITH_${_name})
15      set(${_name}_FOUND)
16      set(${_name}_INCLUDE_DIR)
17      set(${_name}_INCLUDES)
18      set(${_name}_LIBRARY)
19      set(${_name}_LIBRARIES)
20   endif (WITH_${_name})
21ENDMACRO (MACRO_OPTIONAL_FIND_PACKAGE)
22
23