set(_srcdir ${CMAKE_CURRENT_LIST_DIR}/gmp) set(_dstdir ${DESTDIR}/usr/local) if (MSVC) set(_output ${_dstdir}/include/gmp.h ${_dstdir}/lib/libgmp-10.lib ${_dstdir}/bin/libgmp-10.dll) add_custom_command( OUTPUT ${_output} COMMAND ${CMAKE_COMMAND} -E copy ${_srcdir}/include/gmp.h ${_dstdir}/include/ COMMAND ${CMAKE_COMMAND} -E copy ${_srcdir}/lib/win${DEPS_BITS}/libgmp-10.lib ${_dstdir}/lib/ COMMAND ${CMAKE_COMMAND} -E copy ${_srcdir}/lib/win${DEPS_BITS}/libgmp-10.dll ${_dstdir}/bin/ ) add_custom_target(dep_GMP SOURCES ${_output}) else () set(_gmp_ccflags "-O2 -DNDEBUG -fPIC -DPIC -Wall -Wmissing-prototypes -Wpointer-arith -pedantic -fomit-frame-pointer -fno-common") set(_gmp_build_tgt "${CMAKE_SYSTEM_PROCESSOR}") if (APPLE) if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm") set(_gmp_build_arch aarch64) else () set(_gmp_build_arch ${CMAKE_SYSTEM_PROCESSOR}) endif() if (IS_CROSS_COMPILE) if (${CMAKE_OSX_ARCHITECTURES} MATCHES "arm") set(_gmp_host_arch aarch64) set(_gmp_host_arch_flags "-arch arm64") elseif (${CMAKE_OSX_ARCHITECTURES} MATCHES "x86_64") set(_gmp_host_arch x86_64) set(_gmp_host_arch_flags "-arch x86_64") endif() set(_gmp_ccflags "${_gmp_ccflags} ${_gmp_host_arch_flags} -mmacosx-version-min=${DEP_OSX_TARGET}") set(_gmp_build_tgt --build=${_gmp_build_arch}-apple-darwin --host=${_gmp_host_arch}-apple-darwin) else () set(_gmp_ccflags "${_gmp_ccflags} -mmacosx-version-min=${DEP_OSX_TARGET}") set(_gmp_build_tgt "--build=${_gmp_build_arch}-apple-darwin") endif() elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux") if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm") set(_gmp_ccflags "${_gmp_ccflags} -march=armv7-a") # Works on RPi-4 set(_gmp_build_tgt armv7) endif() set(_gmp_build_tgt "--build=${_gmp_build_tgt}-pc-linux-gnu") else () set(_gmp_build_tgt "") # let it guess endif() set(_cross_compile_arg "") if (CMAKE_CROSSCOMPILING) # TOOLCHAIN_PREFIX should be defined in the toolchain file set(_cross_compile_arg --host=${TOOLCHAIN_PREFIX}) endif () ExternalProject_Add(dep_GMP # URL https://gmplib.org/download/gmp/gmp-6.2.1.tar.bz2 URL https://github.com/supermerill/SuperSlicer_deps/releases/download/gmp-6.2.1/gmp-6.2.1.tar.bz2 URL_HASH SHA256=eae9326beb4158c386e39a356818031bd28f3124cf915f8c5b1dc4c7a36b4d7c DOWNLOAD_DIR ${DEP_DOWNLOAD_DIR}/GMP BUILD_IN_SOURCE ON CONFIGURE_COMMAND env "CFLAGS=${_gmp_ccflags}" "CXXFLAGS=${_gmp_ccflags}" ./configure ${_cross_compile_arg} --enable-shared=no --enable-cxx=yes --enable-static=yes "--prefix=${DESTDIR}/usr/local" ${_gmp_build_tgt} BUILD_COMMAND make -j INSTALL_COMMAND make install ) endif ()