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 PARENT_SCOPE)
   4
   5 if(ENABLE_SYSTEM_GMP)
   6         find_library(GMP_LIBRARY NAMES libgmp.so)
   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                 set(USE_SYSTEM_GMP TRUE PARENT_SCOPE)
  13         else()
  14                 message (STATUS "Detecting GMP from system failed.")
  15         endif()
  16 else()
  17         message (STATUS "Detecting GMP from system disabled! (ENABLE_SYSTEM_GMP=0)")
  18 endif()
  19
  20 if(NOT USE_SYSTEM_GMP)
  21         message(STATUS "Using bundled mini-gmp library.")
  22         set(GMP_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/gmp)
  23         set(GMP_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/gmp PARENT_SCOPE)
  24         set(GMP_LIBRARY gmp)
  25         set(GMP_LIBRARY gmp PARENT_SCOPE)
  26         add_subdirectory(gmp)
  27 endif()
  28
  29 include(FindPackageHandleStandardArgs)
  30 find_package_handle_standard_args(GMP DEFAULT_MSG GMP_LIBRARY GMP_INCLUDE_DIR)