Hello! No one knows how to avoid spurious installations with external projects?
Thank you, Cédric ----- Mail original ----- > De: "Cedric Doucet" <[email protected]> > À: [email protected] > Envoyé: Vendredi 24 Avril 2015 11:35:54 > Objet: ExternalProject: how to avoid reinstalling after 'make clean'? > Hello, > I use the ExternalProjet_Add function to download and install third-party > libraries. > Here is an example of a CMakeLists file containing such a call: > ===================================== > cmake_minimum_required (VERSION 2.6) > project (example CXX) > set(CMAKE_VERBOSE_MAKEFILE ON) > include(ProcessorCount) > ProcessorCount(N) > if(NOT N EQUAL 0) > set(CMAKE_BUILD_FLAGS -j${N}) > endif() > include(ExternalProject) > set(EXTERNAL_DIR ${CMAKE_CURRENT_BINARY_DIR}) > ExternalProject_Add(eigen > PREFIX ${EXTERNAL_DIR}/eigen > DOWNLOAD_DIR ${EXTERNAL_DIR}/eigen/download > SOURCE_DIR ${EXTERNAL_DIR}/eigen/src > BINARY_DIR ${EXTERNAL_DIR}/eigen/build > STAMP_DIR ${EXTERNAL_DIR}/eigen/stamp > INSTALL_DIR ${EXTERNAL_DIR}/eigen/install > URL http://bitbucket.org/eigen/eigen/get/3.2.4.tar.gz > URL_MD5 4d0d77e06fef87b4fcd2c9b72cc8dc55 > CMAKE_ARGS -D CMAKE_INSTALL_PREFIX=<INSTALL_DIR> > ) > ===================================== > Everything works fine, except after calling "make clean". > Thanks to URL_MD5, the third-party library is not downloaded again. > However, configuration, build and install steps are performed again whereas > the library has not been uninstalled during cleaning. > How could I tell to ExternalProject_Add not to configure/build/install my > library unless this library has been removed from my computer? > Thank you very much for your help! > Cédric
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