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set(_srcdir ${CMAKE_CURRENT_LIST_DIR}/mpfr)
set(_dstdir ${DESTDIR}/usr/local)
if (MSVC)
set(_output ${_dstdir}/include/mpfr.h
${_dstdir}/include/mpf2mpfr.h
${_dstdir}/lib/libmpfr-4.lib
${_dstdir}/bin/libmpfr-4.dll)
add_custom_command(
OUTPUT ${_output}
COMMAND ${CMAKE_COMMAND} -E copy ${_srcdir}/include/mpfr.h ${_dstdir}/include/
COMMAND ${CMAKE_COMMAND} -E copy ${_srcdir}/include/mpf2mpfr.h ${_dstdir}/include/
COMMAND ${CMAKE_COMMAND} -E copy ${_srcdir}/lib/win${DEPS_BITS}/libmpfr-4.lib ${_dstdir}/lib/
COMMAND ${CMAKE_COMMAND} -E copy ${_srcdir}/lib/win${DEPS_BITS}/libmpfr-4.dll ${_dstdir}/bin/
)
add_custom_target(dep_MPFR SOURCES ${_output})
else ()
set(_cross_compile_arg "")
if (CMAKE_CROSSCOMPILING)
# TOOLCHAIN_PREFIX should be defined in the toolchain file
set(_cross_compile_arg --host=${TOOLCHAIN_PREFIX})
endif ()
ExternalProject_Add(dep_MPFR
URL http://ftp.vim.org/ftp/gnu/mpfr/mpfr-3.1.6.tar.bz2 https://www.mpfr.org/mpfr-3.1.6/mpfr-3.1.6.tar.bz2 # mirrors are allowed
URL_HASH SHA256=cf4f4b2d80abb79e820e78c8077b6725bbbb4e8f41896783c899087be0e94068
DOWNLOAD_DIR ${DEP_DOWNLOAD_DIR}/MPFR
BUILD_IN_SOURCE ON
CONFIGURE_COMMAND env "CFLAGS=${_gmp_ccflags}" "CXXFLAGS=${_gmp_ccflags}" ./configure ${_cross_compile_arg} --prefix=${DESTDIR}/usr/local --enable-shared=no --enable-static=yes --with-gmp=${DESTDIR}/usr/local ${_gmp_build_tgt}
BUILD_COMMAND make -j
INSTALL_COMMAND make install
DEPENDS dep_GMP
)
endif ()
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