On Wed, May 22, 2019 at 7:13 PM Steven Truppe <workbe...@gmx.at> wrote:
> Hi everyone, > > > i'm trying to use ExternalProject_Add like the following: > > set(BOOST_VERSION 1.68.0) > set(BOOST_VERSION_NODOTS 1_68_0) > set(BOOST_URI > https://dl.bintray.com/boostorg/release/${BOOST_VERSION}/source/boost_${BOOST_VERSION_NODOTS}.tar.gz) > set(BOOST_HASH 5d8b4503582fffa9eefdb9045359c239) > > ExternalProject_Add(external_boost > PREFIX ${CMAKE_BINARY_DIR}/boost > URL ${BOOST_URL} > DOWNLOAD_DIR ${CMAKE_BINARY_DIR}/boost > URL_HASH MD5=${BOOST_HASH} > CONFIGURE_COMMAND cd ${CMAKE_BINARY_DIR}/boost/src/external_boost/ > && ./bootstrab --prefix=${OUTPUT_PATH}/boost > BUILD_COMMAND cd ${CMAKE_BINARY_DIR}/boost/src/external_boost/ > && ./b2 > BUILD_IN_SOURCE 1 > INSTALL_DIR ${OUTPUT_PATH}/boost > > The problem is that he tells me that the md5 sum isn't correct, but i did > md5sum ${BOOST_URL}. > > Looking in the same directory from which you are trying to download, there is a boost_1_68_0.tar.gz.json file which contains the expected sha256 sum. You would be better off using that in this case: set(BOOST_HASH da3411ea45622579d419bfda66f45cd0f8c32a181d84adfa936f5688388995cf) You'd also need to change the URL_HASH in your call to ExternalProject_Add(): URL_HASH SHA256=${BOOST_HASH} Your ExternalProject_Add() command also seems to have a few typos in various places (BOOST_URL instead of BOOST_URI, the CONFIGURE_COMMAND contains ./bootstrab which looks suspicious) and you should use separate COMMAND entries rather than using && to specify multiple commands for a given stage. Have a read through the ExternalProject_Add() docs for more details, specifically the "Miscellaneous Options" subsection. -- Craig Scott Melbourne, Australia https://crascit.com Get the hand-book for every CMake user: Professional CMake: A Practical Guide <https://crascit.com/professional-cmake/>
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