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# ${GMP_INCLUDE_DIRS} contains the paths to gmp.h (and gmpxx.h) if GMP is found.
# ${GMP_LIBRARIES} contains libgmp and libgmpxx if GMP is found.
# Check whether environment variable GMP_DIR was set.
if(NOT GMP_DIR)
set(ENV_GMP_DIR $ENV{GMP_DIR})
if(ENV_GMP_DIR)
set(GMP_DIR $ENV{GMP_DIR} CACHE PATH "Path to gmp directory")
endif()
endif()
find_path(GMP_INCLUDE_DIRS
NAMES gmp.h gmpxx.h
HINTS ${GMP_DIR}
PATH_SUFFIXES include)
if(STATIC_GMP)
find_library(GMP_LIBRARY
NAMES libgmp.a gmp
HINTS ${GMP_DIR}
PATH_SUFFIXES lib)
find_library(GMPXX_LIBRARY
NAMES libgmpxx.a gmpxx
HINTS ${GMP_DIR}
PATH_SUFFIXES lib)
else()
find_library(GMP_LIBRARY
NAMES gmp
HINTS ${GMP_DIR}
PATH_SUFFIXES lib)
find_library(GMPXX_LIBRARY
NAMES gmpxx
HINTS ${GMP_DIR}
PATH_SUFFIXES lib)
endif()
SET(GMP_LIBRARIES ${GMP_LIBRARY} ${GMPXX_LIBRARY})
# look for mpir library and include files when gmp could not be found
if(NOT GMP_LIBRARIES)
find_path(GMP_INCLUDE_DIRS
NAMES mpir.h
HINTS ${GMP_DIR}
PATH_SUFFIXES include)
find_library(GMP_LIBRARY
NAMES mpir
HINTS ${GMP_DIR}
PATH_SUFFIXES lib)
SET(GMP_LIBRARIES ${GMP_LIBRARY})
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GMP DEFAULT_MSG GMP_INCLUDE_DIRS GMP_LIBRARIES)
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