[petsc-users] linking PETSC with SSL

Satish Balay balay at mcs.anl.gov
Wed Nov 8 09:43:55 CST 2017


Looks fine to me - I do not see any reference to ssl in these logs.

To confirm - can you send make.log for this build. Also:

cd src/ksp/ksp/examples/tutorials
make ex2

Satish

On Wed, 8 Nov 2017, Lukas van de Wiel wrote:

> Hi Satish,
> 
> thank you for your quick reply!
> 
> I have installed 3.8.1, but the problem persists.
> I have attached configure.log and test.log.
> 
> Does that reveal anything?
> 
> Cheers and thanks again
> 
> Lukas
> 
> On 11/8/17, Satish Balay <balay at mcs.anl.gov> wrote:
> > Hm --with-ssl=0 should work. Can you do a fresh/clean build and see if the
> > problem persists?
> >
> > If so send configure.log make.log and test.log for this build.
> >
> > BTW: 3.8 has better support for fortran usage - so you might consider
> > upgrading all the way to it.
> >
> > https://www.mcs.anl.gov/petsc/documentation/changes/38.html
> > http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Sys/UsingFortran.html#UsingFortran
> >
> > Satish
> >
> > On Wed, 8 Nov 2017, Lukas van de Wiel wrote:
> >
> >> Good day,
> >>
> >> during an upgrade of PETSc (from 3.4.2 to 3.7.7) and some changes
> >> needed to use MUMPs I ran into a problem with SSL that I could not
> >> really figure out.
> >>
> >> ********************************************************
> >> I have configured PETSc 3.7.7 using: (explicitly note the option
> >> --with-ssl=0  )
> >>
> >>
> >> ./configure  \
> >> COPTFLAGS='-O3 -march=native -mtune=native' \
> >> CXXOPTFLAGS='-O3 -march=native -mtune=native' \
> >> FOPTFLAGS='-O3 -march=native -mtune=native' \
> >> --with-debugging=0 \
> >> --with-x=0 \
> >> --with-ssl=0 \
> >> --with-shared-libraries=0 \
> >> --download-metis \
> >> --download-parmetis \
> >> --download-fblaslapack \
> >> --download-scalapack \
> >> --download-openmpi \
> >> --download-mumps \
> >> --download-hypre \
> >> --download-ptscotch
> >>
> >>
> >> ********************************************************
> >> Next I have a tiny Fortran program to illustrate the problem:
> >>
> >>
> >> program sslhuh
> >> implicit none
> >> #include "petsc/finclude/petscsys.h"
> >> write(*,*) "Hello World"
> >> end program
> >>
> >>
> >>
> >> ********************************************************
> >> I compile it using makefile:
> >>
> >>
> >> petscDir = /net/home/gtecton/sw_dev/petsc-3.7.7
> >>
> >> all: compile link
> >>
> >> compile: sslhuh.F
> >>     $(petscDir)/linux-gnu-x86_64/bin/mpif90 \
> >>     -c \
> >>     -o sslhuh.o \
> >>     -std=f2008 \
> >>     -ffree-form \
> >>     -I$(petscDir)/include \
> >>     -I$(petscDir)/include/petsc/finclude \
> >>     sslhuh.F
> >>
> >> link: sslhuh.o
> >>     $(petscDir)/linux-gnu-x86_64/bin/mpif90 \
> >>     -o sslhuh \
> >>     sslhuh.o \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libpetsc.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libHYPRE.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libzmumps.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libsmumps.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libdmumps.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libcmumps.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libmumps_common.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libesmumps.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libparmetis.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libmetis.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libpord.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libscalapack.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libflapack.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libfblas.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libptscotch.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libptscotcherr.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libptscotcherrexit.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libptscotchparmetis.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libscotch.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libscotcherr.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libscotcherrexit.a \
> >>     $(petscDir)/linux-gnu-x86_64/lib/libscotchmetis.a \
> >>     -ldl
> >>
> >>
> >> ********************************************************
> >> Compiling works fine.
> >> Linking gives me the error:
> >>
> >>
> >> /net/home/gtecton/sw_dev/petsc-3.7.7/linux-gnu-x86_64/lib/libpetsc.a(client.o):
> >> In function `PetscSSLInitializeContext':
> >> client.c:(.text+0x3b): undefined reference to `SSLv23_method'
> >> client.c:(.text+0x43): undefined reference to `SSL_CTX_new'
> >> client.c:(.text+0x5a): undefined reference to `SSL_CTX_ctrl'
> >> client.c:(.text+0x79): undefined reference to `SSL_library_init'
> >> client.c:(.text+0x7e): undefined reference to `SSL_load_error_strings'
> >> client.c:(.text+0x8c): undefined reference to `BIO_new_fp'
> >> /net/home/gtecton/sw_dev/petsc-3.7.7/linux-gnu-x86_64/lib/libpetsc.a(client.o):
> >> In function `PetscSSLDestroyContext':
> >> client.c:(.text+0xa5): undefined reference to `SSL_CTX_free'
> >> /net/home/gtecton/sw_dev/petsc-3.7.7/linux-gnu-x86_64/lib/libpetsc.a(client.o):
> >> In function `PetscHTTPSRequest':
> >> client.c:(.text+0xa9e): undefined reference to `SSL_write'
> >> client.c:(.text+0xaab): undefined reference to `SSL_get_error'
> >> client.c:(.text+0xb40): undefined reference to `SSL_read'
> >> client.c:(.text+0xb50): undefined reference to `SSL_get_error'
> >> client.c:(.text+0xbde): undefined reference to `SSL_free'
> >> client.c:(.text+0xc74): undefined reference to `SSL_shutdown'
> >> /net/home/gtecton/sw_dev/petsc-3.7.7/linux-gnu-x86_64/lib/libpetsc.a(client.o):
> >> In function `PetscHTTPSConnect':
> >> client.c:(.text+0x105c): undefined reference to `SSL_new'
> >> client.c:(.text+0x106a): undefined reference to `BIO_new_socket'
> >> client.c:(.text+0x1079): undefined reference to `SSL_set_bio'
> >> client.c:(.text+0x1082): undefined reference to `SSL_connect'
> >> collect2: ld returned 1 exit status
> >> make: *** [link] Error 1
> >>
> >>
> >> ******************************************************
> >>
> >> From what I see, the SSL functionality is in client.o, which is part
> >> of libpetsc.a, which is included in the linking.
> >>
> >> There is no difference in whether I turn --with-ssl on or off...
> >>
> >> Does anybody have an idea what I am doing wrong?
> >>
> >> Best wishes and thank you for your time!
> >>
> >> Lukas
> >>
> >
> >
> 



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