37 lines
1.3 KiB
CMake
37 lines
1.3 KiB
CMake
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if (ENABLE_GMP_BUILD)
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# Download and build own libgmp version
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if (POLICY CMP0135)
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cmake_policy(SET CMP0135 NEW)
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endif()
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SET(GMP_BUILD_CONFIG_ARGS "" CACHE STRING "Some user-specified gmp config options")
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option(ENABLE_GMP_STATIC "Option to statically link. Default is dynamic linking" OFF)
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if (ENABLE_GMP_STATIC)
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set(GMP_LIB_SUFFIX ${CMAKE_SHARED_LIBRARY_SUFFIX})
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else()
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set(GMP_LIB_SUFFIX ${CMAKE_STATIC_LIBRARY_SUFFIX})
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endif()
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message("${GMP_BUILD_CONFIG_ARGS}")
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include(ExternalProject)
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find_program(MAKE_EXE NAMES make gmake nmake)
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set(libgmp_INSTALL_DIR "${CMAKE_BINARY_DIR}/libgmp")
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ExternalProject_Add(libgmp_external
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PREFIX ${libgmp_INSTALL_DIR}
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URL https://gmplib.org/download/gmp/gmp-6.2.1.tar.xz
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URL_HASH SHA256=fd4829912cddd12f84181c3451cc752be224643e87fac497b69edddadc49b4f2
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CONFIGURE_COMMAND ${libgmp_INSTALL_DIR}/src/libgmp_external/configure --prefix=${libgmp_INSTALL_DIR} ${GMP_BUILD_CONFIG_ARGS}
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BUILD_COMMAND ${MAKE_EXE} -j8
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INSTALL_COMMAND ${MAKE_EXE} install
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)
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set(GMP ${libgmp_INSTALL_DIR}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}gmp${GMP_LIB_SUFFIX})
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include_directories(${libgmp_INSTALL_DIR}/include)
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else()
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# use system gmp version
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find_library(GMP gmp)
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find_path(GMP_INCLUDE gmp.h)
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include_directories(${GMP_INCLUDE})
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endif()
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