cmake/Modules/FindGMP.cmake

   1 option(ENABLE_SYSTEM_GMP "Use GMP from system" TRUE)
   2 mark_as_advanced(GMP_LIBRARY GMP_INCLUDE_DIR)
   3 set(USE_SYSTEM_GMP FALSE)
   4
   5 if(ENABLE_SYSTEM_GMP)
   6         find_library(GMP_LIBRARY NAMES gmp)
   7         find_path(GMP_INCLUDE_DIR NAMES gmp.h)
   8
   9         if(GMP_LIBRARY AND GMP_INCLUDE_DIR)
  10                 message (STATUS "Using GMP provided by system.")
  11                 set(USE_SYSTEM_GMP TRUE)
  12         else()
  13                 message (STATUS "Detecting GMP from system failed.")
  14         endif()
  15 endif()
  16
  17 if(NOT USE_SYSTEM_GMP)
  18         message(STATUS "Using bundled mini-gmp library.")
  19         set(GMP_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/lib/gmp)
  20         set(GMP_LIBRARY gmp)
  21         add_subdirectory(lib/gmp)
  22 endif()
  23
  24 include(FindPackageHandleStandardArgs)
  25 find_package_handle_standard_args(GMP DEFAULT_MSG GMP_LIBRARY GMP_INCLUDE_DIR)