Confirmed by author of g95:
On Jan 26, 2006, at 3:40 PM, Andy Vaught wrote:
It's a known issue. Use
LDFLAGS=-lSystemStubs
on the configure line.
On Jan 26, 2006, at 11:35 AM, Kraig Winters wrote:
I believe that
ld: Undefined symbols:
_fprintf$LDBLStub
can be fixed by adding -L/usr/lib -lSystemStubs to your link
statement.
For xlf, this can be done once and for all in the compiler
configuration
file. I don't know if something similar can be done for g95. This
problem
seems to have started w/ 10.4.
Kraig
On Jan 26, 2006, at 4:57 AM, Jeff Squyres wrote:
It looks like your g95 may not be installed correctly. Here's the
relevant information from the config.log:
configure:32697: gcc -O3 -DNDEBUG -fno-strict-aliasing -I. -c
conftest.c
configure:32704: $? = 0
configure:32714: g95 conftestf.f90 conftest.o -o conftest
ld: Undefined symbols:
_fprintf$LDBLStub
That is, configure tried to compile a .f90 file and link it with a C-
compiled .o file (normally, this should work just fine). In
performing the final link, however, it did not find the symbol
fprintf
().
This seems to indicate that the g95 compiler was not able to find the
C libraries properly.
Can you verify that everything is installed properly, and that g95 is
able to link to C libraries?
On Jan 24, 2006, at 3:11 PM, Michael Kluskens wrote:
Building Open MPI 1.0.1 on a PowerMac running OS X 10.4.4 using
1) Apple gnu compilers from Xcode 2.2.1
2) fink-installed g77
3) latest g95 "G95 (GCC 4.0.1 (g95!) Jan 23 2006)"
(the binary from G95 Home)
setenv F77 g77
setenv FC g95
./configure
In the G95 section of the configure I get
checking size of FORTRAN integer(selected_int_kind(2))... unknown
configure: WARNING: *** Problem running configure test!
Gzipped config.log attached.
If I change to the older Fink g95 "G95 (GCC 4.0.2 (g95!) Dec 19
2005)" I don't see this problem
System info:
uname -a
Darwin 8.4.0 Darwin Kernel Version 8.4.0: Tue Jan 3 18:22:10 PST
2006; root:xnu-792.6.56.obj~1/RELEASE_PPC Power Macintosh
powerpcgcc --version
powerpc-apple-darwin8-gcc-4.0.0 (GCC) 4.0.0 (Apple Computer, Inc.
build 5026)
g++ --version
powerpc-apple-darwin8-g++-4.0.1 (GCC) 4.0.1 (Apple Computer, Inc.
build 5250)
g77 --version
GNU Fortran (GCC) 3.4.3
Details on latest G95 build:
g95 -v
Using built-in specs.
Target:
Configured with: /Users/andy/g95/osx/gcc.osx/configure --enable-
languages=c
Thread model: posix
gcc version 4.0.1 (g95!) Jan 23 2006
Details on older Fink g95 build:
g95 -v
Using built-in specs.
Target:
Configured with: ../configure --prefix=/sw/lib/gcc-lib/powerpc-
apple-darwin8/4.0.2 --with-gmp=/sw --enable-languages=c --disable-
checking --with-included-gettext
Thread model: posix
gcc version 4.0.2 (g95!) Dec 19 2005
<config.log.gz>
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{+} Jeff Squyres
{+} The Open MPI Project
{+} http://www.open-mpi.org/
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