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# Try to find the GMP libraries
# GMP_FOUND - system has GMP lib
# GMP_INCLUDE_DIR - the GMP include directory
# GMP_LIBRARIES_DIR - Directory where the GMP libraries are located
# GMP_LIBRARIES - the GMP libraries
# GMP_IN_CGAL_AUXILIARY - TRUE if the GMP found is the one distributed with CGAL in the auxiliary folder
# TODO: support MacOSX
include(CGAL_FindPackageHandleStandardArgs)
include(CGAL_GeneratorSpecificSettings)
if(GMP_INCLUDE_DIR)
set(GMP_in_cache TRUE)
else()
set(GMP_in_cache FALSE)
endif()
if( CGAL_AUTO_LINK_GMP )
if(NOT GMP_LIBRARIES_DIR)
set(GMP_in_cache FALSE)
endif()
else()
if(NOT GMP_LIBRARIES)
set(GMP_in_cache FALSE)
endif()
endif()
# Is it already configured?
if (GMP_in_cache)
set(GMP_FOUND TRUE)
else()
find_path(GMP_INCLUDE_DIR
NAMES gmp.h
PATHS ENV GMP_INC_DIR
${CMAKE_SOURCE_DIR}/auxiliary/gmp/include
DOC "The directory containing the GMP header files"
)
if ( GMP_INCLUDE_DIR STREQUAL "${CMAKE_SOURCE_DIR}/auxiliary/gmp/include" )
cache_set( GMP_IN_CGAL_AUXILIARY TRUE )
endif()
if ( CGAL_AUTO_LINK_GMP )
find_path(GMP_LIBRARIES_DIR
NAMES "gmp-${CGAL_TOOLSET}-mt.lib" "gmp-${CGAL_TOOLSET}-mt-gd.lib"
PATHS ENV GMP_LIB_DIR
${CMAKE_SOURCE_DIR}/auxiliary/gmp/lib
DOC "Directory containing the GMP library"
)
else()
find_library(GMP_LIBRARIES NAMES gmp libgmp-10
PATHS ENV GMP_LIB_DIR
${CMAKE_SOURCE_DIR}/auxiliary/gmp/lib
DOC "Path to the GMP library"
)
if ( GMP_LIBRARIES )
get_filename_component(GMP_LIBRARIES_DIR ${GMP_LIBRARIES} PATH CACHE )
endif()
endif()
# Attempt to load a user-defined configuration for GMP if couldn't be found
if ( NOT GMP_INCLUDE_DIR OR NOT GMP_LIBRARIES_DIR )
include( GMPConfig OPTIONAL )
endif()
if(CGAL_AUTO_LINK_GMP)
find_package_handle_standard_args(GMP "DEFAULT_MSG" GMP_LIBRARIES_DIR GMP_INCLUDE_DIR)
else()
find_package_handle_standard_args(GMP "DEFAULT_MSG" GMP_LIBRARIES GMP_INCLUDE_DIR)
endif()
endif()
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