Added macro for checking for GMP.

Author: netromdk

CMakeLists.txt

@@ -1,23 +1,31 @@
 CMAKE_MINIMUM_REQUIRED( VERSION 2.8 )
+
+PROJECT( MATH )
+
 SET( CMAKE_COLOR_MAKEFILE ON )
 SET( CMAKE_VERBOSE_MAKEFILE OFF )
 SET( CMAKE_INCLUDE_CURRENT_DIR TRUE )
 SET( CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE )
 
+SET( CMAKE_MODULE_PATH 
+     ${CMAKE_MODULE_PATH} 
+     "${CMAKE_CURRENT_SOURCE_DIR}/cmake" 
+     )
+
 IF( NOT CMAKE_BUILD_TYPE )
   SET( CMAKE_BUILD_TYPE Debug ) 
   SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DDEBUG" )
 ENDIF( )
 
-PROJECT( MATH )
-
 # Versioning.
 SET( ${PROJECT_NAME}_MAJOR_VERSION 0 ) 
 SET( ${PROJECT_NAME}_MINOR_VERSION 1 ) 
 SET( ${PROJECT_NAME}_PATCH_LEVEL 0 )
 
 OPTION( BUILD_TESTS "Set to ON to build test programs" OFF )
 
+FIND_PACKAGE( GMP REQUIRED )
+
 ADD_DEFINITIONS( "-Wall" )
 ADD_SUBDIRECTORY( src )
 

cmake/FindGMP.cmake

@@ -0,0 +1,24 @@
+# Try to find the GMP libraries
+#  GMP_FOUND - system has GMP lib
+#  GMP_INCLUDE_DIR - the GMP include directory
+#  GMP_LIBRARIES - Libraries needed to use GMP
+
+# Copyright (c) 2006, Laurent Montel, <[email protected]>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+if (GMP_INCLUDE_DIR AND GMP_LIBRARIES)
+  # Already in cache, be silent
+  set(GMP_FIND_QUIETLY TRUE)
+endif (GMP_INCLUDE_DIR AND GMP_LIBRARIES)
+
+find_path(GMP_INCLUDE_DIR NAMES gmp.h )
+find_library(GMP_LIBRARIES NAMES gmp libgmp )
+find_library(GMPXX_LIBRARIES NAMES gmpxx libgmpxx )
+#MESSAGE(STATUS "GMP libs: " ${GMP_LIBRARIES} " " ${GMPXX_LIBRARIES} )
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(GMP DEFAULT_MSG GMP_INCLUDE_DIR GMP_LIBRARIES)
+
+mark_as_advanced(GMP_INCLUDE_DIR GMP_LIBRARIES)