Hello,
Looks like a bug; did I miss something ?
My environment:
###################################################
[mbozzore@tyan04 openmpi-1.2.4]$ echo $CFLAGS
-I/home/mbozzore/pvfs-2.6.3/include
[mbozzore@tyan04 openmpi-1.2.4]$ echo $FFLAGS
[mbozzore@tyan04 openmpi-1.2.4]$ echo $LIBS
-lpvfs2 -lpthread
[mbozzore@tyan04 openmpi-1.2.4]$ echo $LDFLAGS
-L/export/pvfs-2.6.3/lib/
###################################################
Open MPI version : 1.2.4; same behaviour expected with 1.2.6
arguments given to configure:
./configure --prefix=/export/ompi-124-pvfs263
--with-io-romio-flags=--with-file-system=pvfs+nfs
config.log:
####################################################################
configure:36703: checking if Fortran compiler works
configure:36759: gfortran -o conftest -L/export/pvfs-2.6.3/lib/
conftest.f -lpvfs2 -lpthread >&5
configure:36762: $? = 0
configure:36768: ./conftest
configure:36771: $? = 0
configure:36793: result: yes
configure:36819: checking whether gfortran and gfortran compilers are
compatible
configure:36844: gfortran -c conftestf90.f
configure:36851: $? = 0
configure:36861: gfortran -c conftestf77.f
configure:36868: $? = 0
configure:36878: gfortran -o conftest conftestf90.o conftestf77.o
-lpvfs2 -lpthread
/usr/bin/ld: cannot find -lpvfs2
collect2: ld returned 1 exit status
configure:36885: $? = 1
configure:36912: here is the F77 program:
subroutine Conf1_test()
end
configure:36925: here is the F90 program:
program main
call Conf1_test()
end
configure:36950: result: no
configure:36952: WARNING: *** Fortran 77 and Fortran 90 compilers are
not link compatible
configure:36954: WARNING: *** Disabling MPI Fortran 90/95 bindings
configure:36994: checking for extra arguments to build a shard library
configure:37017: result: none needed
configure:37416: checking if Fortran 90 compiler supports LOGICAL
configure:37418: result: skipped
configure:37780: checking if Fortran 90 compiler supports INTEGER
configure:37782: result: skipped
####################################################################
With an updated configure script:
####################################################################
[mbozzore@tyan04 openmpi-1.2.4]$ diff -U4 configure.orig configure.new
--- configure.orig 2008-08-21 09:49:01.000000000 -0400
+++ configure.new 2008-08-21 11:10:31.000000000 -0400
@@ -36874,10 +36874,10 @@
# 1 is the command
# 2 is actions to do if success
# 3 is actions to do if fail
-echo "configure:36878: $OMPI_F90 $FCFLAGS -o conftest conftestf90.o
conftestf77.o $LIBS" >&5
-$OMPI_F90 $FCFLAGS -o conftest conftestf90.o conftestf77.o $LIBS 1>&5
2>&1
+#echo "NEW configure:36878: $OMPI_F90 $FCFLAGS $LDFLAGS -o conftest
conftestf90.o conftestf77.o $LIBS" >&5
+$OMPI_F90 $FCFLAGS $LDFLAGS -o conftest conftestf90.o conftestf77.o
$LIBS 1>&5 2>&1
ompi_status=$?
# 1 is the message
# 2 is whether to put a prefix or not
####################################################################
config.log:
####################################################################
NEW configure:36878: gfortran -L/export/pvfs-2.6.3/lib/ -o conftest
conftestf90.o conftestf77.o -lpvfs2 -lpthread
configure:36885: $? = 0
configure:36956: result: yes
####################################################################
>From the FAQ:
http://www.open-mpi.org/faq/?category=building#build-compiler-flags
LDFLAGS: Flags passed to the linker (not language-specific). This flag
is rarely required; Open MPI will usually pick up all LDFLAGS that it
needs by itself.
Mehdi
Mehdi Bozzo-Rey <mailto:mbozz...@platform.com>
Open Source Solution Developer
Platform OCS5
<http://www.platform.com/Products/platform-open-cluster-stack5>
Platform computing
Phone: +1 905 948 4649
