96 lines
2.1 KiB
CMake
96 lines
2.1 KiB
CMake
# SPDX-FileCopyrightText: 2011 Blender Authors
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#
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# SPDX-License-Identifier: BSD-3-Clause
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# - Find GMP library
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# Find the native GMP includes and library
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# This module defines
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# GMP_INCLUDE_DIRS, where to find gmp.h, Set when
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# GMP_INCLUDE_DIR is found.
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# GMP_LIBRARIES, libraries to link against to use GMP.
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# GMP_ROOT_DIR, The base directory to search for GMP.
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# This can also be an environment variable.
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# GMP_FOUND, If false, do not try to use GMP.
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#
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# also defined, but not for general use are
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# GMP_LIBRARY, where to find the GMP library.
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# If `GMP_ROOT_DIR` was defined in the environment, use it.
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if(DEFINED GMP_ROOT_DIR)
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# Pass.
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elseif(DEFINED ENV{GMP_ROOT_DIR})
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set(GMP_ROOT_DIR $ENV{GMP_ROOT_DIR})
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else()
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set(GMP_ROOT_DIR "")
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endif()
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set(_gmp_SEARCH_DIRS
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${GMP_ROOT_DIR}
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/opt/lib/gmp
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)
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find_path(GMP_INCLUDE_DIR
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NAMES
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gmp.h
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HINTS
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${_gmp_SEARCH_DIRS}
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PATH_SUFFIXES
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include/gmp
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)
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find_path(GMPXX_INCLUDE_DIR
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NAMES
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gmpxx.h
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HINTS
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${_gmp_SEARCH_DIRS}
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PATH_SUFFIXES
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include/gmp
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)
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find_library(GMP_LIBRARY
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NAMES
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gmp
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HINTS
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${_gmp_SEARCH_DIRS}
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PATH_SUFFIXES
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lib64 lib
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)
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find_library(GMPXX_LIBRARY
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NAMES
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gmpxx
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HINTS
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${_gmp_SEARCH_DIRS}
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PATH_SUFFIXES
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lib64 lib
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)
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if(GMP_INCLUDE_DIR)
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set(_version_regex "^#define[ \t]+__GNU_MP_VERSION[ \t]+\"([^\"]+)\".*")
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file(STRINGS "${GMP_INCLUDE_DIR}/gmp.h"
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GMP_VERSION REGEX "${_version_regex}")
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string(REGEX REPLACE "${_version_regex}" "\\1"
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GMP_VERSION "${GMP_VERSION}")
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unset(_version_regex)
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endif()
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# handle the QUIETLY and REQUIRED arguments and set GMP_FOUND to TRUE if
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# all listed variables are TRUE
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(GMP DEFAULT_MSG
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GMP_LIBRARY GMPXX_LIBRARY GMP_INCLUDE_DIR GMPXX_INCLUDE_DIR)
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if(GMP_FOUND)
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set(GMP_LIBRARIES ${GMPXX_LIBRARY} ${GMP_LIBRARY})
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set(GMP_INCLUDE_DIRS ${GMP_INCLUDE_DIR} ${GMPXX_INCLUDE_DIR})
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endif()
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mark_as_advanced(
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GMP_INCLUDE_DIR
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GMP_LIBRARY
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GMPXX_INCLUDE_DIR
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GMPXX_LIBRARY
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)
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unset(_gmp_SEARCH_DIRS)
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