[CMake] Don't download external projects again after calling "make clean"
Cedric Doucet
cedric.doucet at inria.fr
Sat Apr 18 08:15:32 EDT 2015
Ok it seems the answer to my problem is here:
http://www.cmake.org/pipermail/cmake/2010-December/041295.html
I will try it.
----- Mail original -----
> De: "Cedric Doucet" <cedric.doucet at inria.fr>
> À: cmake at cmake.org
> Envoyé: Samedi 18 Avril 2015 13:38:31
> Objet: Re: [CMake] Don't download external projects again after calling "make clean"
>
>
> I have just tried to install curl to get https support.
> To do that, I have followed the steps below:
>
> 1. Installation of openssl:
> 1.a. ./config --prefix=/my/openssl/path
> 1.b. make
> 1.c. make test
> 1.d. make install
> 2. Installation of curl
> 2.a. ./configure --prefix=/my/curl/path --with-ssl=/my/openssl/path/lib
> 2.b. make
> 2.c. make install
>
> I have also prepend PATH with /my/curl/path/bin.
> However, the error remains.
> It seems that my version of curl (7.41.0) is not taken into acount because I
> have still this line in the error message:
> User-Agent: curl/7.38.0
> I tried to remove all previous of curl and libcurl but it does not change
> anything.
>
> Could you help me?
>
> Cédric
>
>
> ----- Mail original -----
> > De: "Cedric Doucet" <cedric.doucet at inria.fr>
> > À: "David Cole" <DLRdave at aol.com>
> > Cc: cmake at cmake.org
> > Envoyé: Samedi 18 Avril 2015 13:00:28
> > Objet: Re: [CMake] Don't download external projects again after calling
> > "make clean"
> >
> >
> > Hello David,
> >
> > thank you very much.
> > Unfortunately, I get the following error message if I remove my download
> > command:
> >
> > -- downloading...
> > src='http://bitbucket.org/eigen/eigen/get/3.2.4.tar.gz'
> > dst='/home/cdoucet/Downloads/eigen/download/3.2.4.tar.gz'
> > timeout='none'
> > -- [download 100% complete]
> > CMake Error at src/eigen-stamp/download-eigen.cmake:27 (message):
> > error: downloading 'http://bitbucket.org/eigen/eigen/get/3.2.4.tar.gz'
> > failed
> >
> > status_code: 1
> > status_string: "Unsupported protocol"
> > log: Hostname was NOT found in DNS cache
> > Trying 131.103.20.167...
> >
> > Connected to bitbucket.org (131.103.20.167) port 80 (#0)
> >
> > GET /eigen/eigen/get/3.2.4.tar.gz HTTP/1.1
> >
> > User-Agent: curl/7.38.0
> >
> > Host: bitbucket.org
> >
> > Accept: */*
> >
> >
> >
> > HTTP/1.1 301 Moved Permanently
> >
> > Server nginx/1.6.2 is not blacklisted
> >
> > Server: nginx/1.6.2
> >
> > Date: Sat, 18 Apr 2015 10:55:20 GMT
> >
> > Content-Type: text/html
> >
> > Content-Length: 184
> >
> > Location: https://bitbucket.org/eigen/eigen/get/3.2.4.tar.gz
> >
> >
> >
> > Ignoring the response-body
> >
> > <html>
> >
> > <head><title>301 Moved Permanently</title></head>
> >
> > <body bgcolor="white">
> >
> > <center><h1>301 Moved Permanently</h1></center>
> >
> > <hr><center>nginx/1.6.2</center>
> >
> > </body>
> >
> > </html>
> >
> > Connection #0 to host bitbucket.org left intact
> >
> > Issue another request to this URL:
> > 'https://bitbucket.org/eigen/eigen/get/3.2.4.tar.gz'
> >
> > Protocol "https" not supported or disabled in libcurl
> >
> > Closing connection -1
> >
> >
> >
> >
> > ----- Mail original -----
> > > De: "David Cole" <DLRdave at aol.com>
> > > À: "Cedric Doucet" <cedric.doucet at inria.fr>
> > > Cc: cmake at cmake.org
> > > Envoyé: Vendredi 17 Avril 2015 13:21:08
> > > Objet: Re: [CMake] Don't download external projects again after calling
> > > "make clean"
> > >
> > > Eliminate your DOWNLOAD_COMMAND. CMake knows how to do it with just
> > > the URL_MD5, DOWNLOAD_DIR and SOURCE_DIR information....
> > >
> > > HTH,
> > > David
> > >
> > >
> > > On Fri, Apr 17, 2015 at 1:32 AM, Cedric Doucet <cedric.doucet at inria.fr>
> > > wrote:
> > > >
> > > > Hello David,
> > > >
> > > > thank you very much for your help.
> > > >
> > > > Unfortunately I may do something wrong because it does not work.
> > > > After cleaning, the library is downloaded again.
> > > >
> > > > I guess my mistake comes from the fact I do not understand the role of
> > > > URL_MD5.
> > > > Below is a simple example where downloading and installing is very
> > > > fast.
> > > > You just have to replace the value of EXTERNAL_DIR by the path to your
> > > > own
> > > > "Downloads" repository.
> > > > I tried to put URL in my DOWNLOAD_COMMAND but the call "wget <URL>"
> > > > does
> > > > not seem to be understood by the wget command.
> > > >
> > > > Thanks again!
> > > >
> > > > Cédric
> > > >
> > > > --------------------------------------------------------------------------
> > > > 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 /home/cdoucet/Downloads)
> > > > 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
> > > > INSTALL_DIR ${EXTERNAL_DIR}/eigen/install
> > > > URL
> > > > http://bitbucket.org/eigen/eigen/get/3.2.4.tar.gz
> > > > URL_MD5 ccb18a771f678b38a3d33c321a8e7daf
> > > > DOWNLOAD_COMMAND wget
> > > > http://bitbucket.org/eigen/eigen/get/3.2.4.tar.gz
> > > > &&
> > > > tar xvzf 3.2.4.tar.gz -C <SOURCE_DIR>
> > > > --strip-components=1
> > > > CONFIGURE_COMMAND cd <BINARY_DIR> && cmake -D
> > > > CMAKE_INSTALL_PREFIX=$<INSTALL_DIR> <SOURCE_DIR>
> > > > )
> > > > ------------------------------------------------------------------------------
> > > >
> > > >
> > > >
> > > > ----- Mail original -----
> > > >> De: "David Cole" <DLRdave at aol.com>
> > > >> À: "Cedric Doucet" <cedric.doucet at inria.fr>
> > > >> Cc: cmake at cmake.org
> > > >> Envoyé: Lundi 13 Avril 2015 12:40:34
> > > >> Objet: Re: [CMake] Don't download external projects again after
> > > >> calling
> > > >> "make clean"
> > > >>
> > > >> Use the URL_MD5 and DOWNLOAD_DIR arguments to ExternalProject_Add to
> > > >> put the downloaded files into a location outside the build tree
> > > >> (perhaps ~/Downloads on Mac/Linux or $ENV{USERPROFILE}/Downloads on
> > > >> Windows).
> > > >>
> > > >> With DOWNLOAD_DIR outside the build tree, and the checksums of the
> > > >> downloaded files being the same as you've specified via URL_MD5, the
> > > >> download portion will be avoided once there is a local copy of a file
> > > >> available.
> > > >>
> > > >>
> > > >> HTH,
> > > >> David C.
> > > >>
> > > >>
> > > >> On Mon, Apr 13, 2015 at 5:04 AM, Cedric Doucet
> > > >> <cedric.doucet at inria.fr>
> > > >> wrote:
> > > >> >
> > > >> > Hello!
> > > >> >
> > > >> > I use the ExternalProject_Add function to download third-party
> > > >> > libraries
> > > >> > of
> > > >> > a code.
> > > >> >
> > > >> > Once a library has been downloaded, I can call "make" as many times
> > > >> > as
> > > >> > I
> > > >> > want without downloading this library again.
> > > >> > It seems that CMake detects that the library has already been
> > > >> > downloaded.
> > > >> >
> > > >> > However, calling "make clean" seems to destroy this feature.
> > > >> > Even if my library is not uninstalled during cleaning, calling
> > > >> > "make"
> > > >> > after
> > > >> > "make clean" will lead CMake to try download the library again.
> > > >> >
> > > >> > How could I tell CMake not to download the library again?
> > > >> >
> > > >> > Thank you very much for your help!
> > > >> >
> > > >> > Cédric
> > > >> >
> > > >> > --
> > > >> >
> > > >> > Powered by www.kitware.com
> > > >> >
> > > >> > Please keep messages on-topic and check the CMake FAQ at:
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> > > >> >
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> > --
> >
> > Powered by www.kitware.com
> >
> > Please keep messages on-topic and check the CMake FAQ at:
> > http://www.cmake.org/Wiki/CMake_FAQ
> >
> > Kitware offers various services to support the CMake community. For more
> > information on each offering, please visit:
> >
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> >
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>
> Powered by www.kitware.com
>
> Please keep messages on-topic and check the CMake FAQ at:
> http://www.cmake.org/Wiki/CMake_FAQ
>
> Kitware offers various services to support the CMake community. For more
> information on each offering, please visit:
>
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> CMake Consulting: http://cmake.org/cmake/help/consulting.html
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>
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