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From: Susana Tomasio (susietomasio_at_gmail.com)
Date: Fri Mar 18 2011 - 08:55:33 CDT
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Hi,
Since using a macosx has been a complete nightmare, I got a linux machine
and I've been trying to compile the fortran bindings on it.
This is my Makefile:
########################################################################
ARCH = LINUXAMD64
ARCHDIR = /home/tomasio/plugins/LINUX/molfile
FC = gfortran
#FC = g77 #-fno-second-underscore
CC = gcc
LD = $(FC)
OPT = -O2 -Wall
CPPFLAGS = -I/home/tomasio/plugins/include
-I/home/tomasio/plugins/LINUX/ # -D_F77_F2C_UNDERSCORE
CFLAGS = -c $(CPPFLAGS) $(OPT)
FFLAGS = -c $(OPT)
NETCDFLIB = -L/home/tomasio/local/lib/
NETCDFLDFLAGS = -lnetcdf
TCLLIB = -L/usr/local/lib/
TCLLDFLAGS = -ltcl8.5
LDFLAGS = -L$(ARCHDIR) $(TCLLIB) $(NETCDFLIB)
LDLIBS = -lmolfile_plugin $(NETCDFLDFLAGS) $(TCLLDFLAGS)
-L/usr/share/doc -lstdc++ -ldl
########################################################################
When I type "make" this is what appears on the screen (which is not very
helpful):
gfortran -c -O2 -Wall tester.f -o tester.o
"gcc -c -I/home/tomasio/plugins/include -I/home/tomasio/plugins/LINUX/ -O2
-Wall f77_molfile.c -o f77_molfile.o
gfortran -o tester -L/home/tomasio/plugins/LINUX/molfile -L/usr/local/lib/
-L/home/tomasio/local/lib/ tester.o f77_molfile.o -lmolfile_plugin -lnetcdf
-ltcl8.5 -L/usr/share/doc -lstdc++ -ldl"
I tried the following:
touch empty.cxx
g++ -v empty.cxx
And the output is:
Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v
--enable-languages=c,c++,fortran,objc,obj-c++,treelang --prefix=/usr
--enable-shared --with-system-zlib --libexecdir=/usr/lib
--without-included-gettext --enable-threads=posix --enable-nls
--program-suffix=-4.1 --enable-__cxa_atexit --enable-clocale=gnu
--enable-libstdcxx-debug --enable-mpfr --enable-checking=release
i486-linux-gnu
Thread model: posix
gcc version 4.1.2 (Ubuntu 4.1.2-0ubuntu4)
/usr/lib/gcc/i486-linux-gnu/4.1.2/cc1plus -quiet -v -D_GNU_SOURCE empty.cxx
-quiet -dumpbase empty.cxx -mtune=generic -auxbase empty -version
-fstack-protector -fstack-protector -o /tmp/cckcOsxg.s
ignoring nonexistent directory "/usr/local/include/i486-linux-gnu"
ignoring nonexistent directory
"/usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../i486-linux-gnu/include"
ignoring nonexistent directory "/usr/include/i486-linux-gnu"
#include "..." search starts here:
#include <...> search starts here:
/usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2
/usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/i486-linux-gnu
/usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/backward
/usr/local/include
/usr/lib/gcc/i486-linux-gnu/4.1.2/include
/usr/include
End of search list.
GNU C++ version 4.1.2 (Ubuntu 4.1.2-0ubuntu4) (i486-linux-gnu)
compiled by GNU C version 4.1.2 (Ubuntu 4.1.2-0ubuntu4).
GGC heuristics: --param ggc-min-expand=97 --param ggc-min-heapsize=125504
Compiler executable checksum: 706aaa0fd1a32f25246d6a043b4a10ca
as -V -Qy -o /tmp/ccmwjn5H.o /tmp/cckcOsxg.s
GNU assembler version 2.17.50 (i486-linux-gnu) using BFD version 2.17.50
20070103 Ubuntu
/usr/lib/gcc/i486-linux-gnu/4.1.2/collect2 --eh-frame-hdr -m elf_i386
--hash-style=both -dynamic-linker /lib/ld-linux.so.2
/usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../lib/crt1.o
/usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../lib/crti.o
/usr/lib/gcc/i486-linux-gnu/4.1.2/crtbegin.o
-L/usr/lib/gcc/i486-linux-gnu/4.1.2 -L/usr/lib/gcc/i486-linux-gnu/4.1.2
-L/usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../lib -L/lib/../lib
-L/usr/lib/../lib /tmp/ccmwjn5H.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s
-lgcc /usr/lib/gcc/i486-linux-gnu/4.1.2/crtend.o
/usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../lib/crtn.o
/usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../lib/crt1.o: In function
`_start':
(.text+0x18): undefined reference to `main'
collect2: ld returned 1 exit status
I think it is a problem with the -L flags but I don't know
how to fix it.
If anyone has any suggestions I'd be grateful.
Thank you,
Susana
On Mon, Mar 14, 2011 at 11:08 PM, Axel Kohlmeyer <akohlmey_at_gmail.com> wrote:
> On Mon, Mar 14, 2011 at 5:49 PM, Susana Tomasio <susietomasio_at_gmail.com>
> wrote:
> > Hi John,
> >
> > I see what you mean, but when I add the space between "-ltc8.5"
> > and "-L/usr/lib/" it gives me the previous error:
> >
> > ld: library not found for -lstdc++
> > collect2: ld returned 1 exit status
>
> so you have to find where your c++ library is located.
>
> i don't know much about macosx and it is doing
> a lot of things different from other operating systems.
> what you can try for example is to do the following:
>
> touch empty.cxx
> g++ -v empty.cxx
>
> that will stop with an error, but thanks to the '-v' it will
> print the full command line at each step. on my linux
> box this is:
>
> Using built-in specs.
> Target: x86_64-redhat-linux
> Configured with: ../configure --prefix=/usr --mandir=/usr/share/man
> --infodir=/usr/share/info
> --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap
> --enable-shared --enable-threads=posix --enable-checking=release
> --with-system-zlib --enable-__cxa_atexit
> --disable-libunwind-exceptions --enable-gnu-unique-object
> --enable-languages=c,c++,objc,obj-c++,java,fortran,ada
> --enable-java-awt=gtk --disable-dssi --enable-plugin
> --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre
> --enable-libgcj-multifile --enable-java-maintainer-mode
> --with-ecj-jar=/usr/share/java/eclipse-ecj.jar
> --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic
> --with-arch_32=i686 --build=x86_64-redhat-linux
> Thread model: posix
> gcc version 4.4.4 20100630 (Red Hat 4.4.4-10) (GCC)
> COLLECT_GCC_OPTIONS='-v' '-shared-libgcc' '-mtune=generic'
> /usr/libexec/gcc/x86_64-redhat-linux/4.4.4/cc1plus -quiet -v
> -D_GNU_SOURCE empty.cxx -quiet -dumpbase empty.cxx -mtune=generic
> -auxbase empty -version -o /tmp/cckHewnV.s
> ignoring nonexistent directory
> "/usr/lib/gcc/x86_64-redhat-linux/4.4.4/include-fixed"
> ignoring nonexistent directory
>
> "/usr/lib/gcc/x86_64-redhat-linux/4.4.4/../../../../x86_64-redhat-linux/include"
> #include "..." search starts here:
> #include <...> search starts here:
> /usr/lib/gcc/x86_64-redhat-linux/4.4.4/../../../../include/c++/4.4.4
>
> /usr/lib/gcc/x86_64-redhat-linux/4.4.4/../../../../include/c++/4.4.4/x86_64-redhat-linux
>
> /usr/lib/gcc/x86_64-redhat-linux/4.4.4/../../../../include/c++/4.4.4/backward
> /usr/local/include
> /usr/lib/gcc/x86_64-redhat-linux/4.4.4/include
> /usr/include
> End of search list.
> GNU C++ (GCC) version 4.4.4 20100630 (Red Hat 4.4.4-10)
> (x86_64-redhat-linux)
> compiled by GNU C version 4.4.4 20100630 (Red Hat 4.4.4-10), GMP
> version 4.3.1, MPFR version 2.4.1.
> GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
> Compiler executable checksum: 921aa223d38d78a20e67c4037f50d7c9
> COLLECT_GCC_OPTIONS='-v' '-shared-libgcc' '-mtune=generic'
> as -V -Qy -o /tmp/ccY7JKAw.o /tmp/cckHewnV.s
> GNU assembler version 2.19.51.0.14 (x86_64-redhat-linux) using BFD
> version version 2.19.51.0.14-37.fc12 20090722
>
> COMPILER_PATH=/usr/libexec/gcc/x86_64-redhat-linux/4.4.4/:/usr/libexec/gcc/x86_64-redhat-linux/4.4.4/:/usr/libexec/gcc/x86_64-redhat-linux/:/usr/lib/gcc/x86_64-redhat-linux/4.4.4/:/usr/lib/gcc/x86_64-redhat-linux/:/usr/libexec/gcc/x86_64-redhat-linux/4.4.4/:/usr/libexec/gcc/x86_64-redhat-linux/:/usr/lib/gcc/x86_64-redhat-linux/4.4.4/:/usr/lib/gcc/x86_64-redhat-linux/
>
> LIBRARY_PATH=/usr/lib/gcc/x86_64-redhat-linux/4.4.4/:/usr/lib/gcc/x86_64-redhat-linux/4.4.4/:/usr/lib/gcc/x86_64-redhat-linux/4.4.4/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/usr/lib/gcc/x86_64-redhat-linux/4.4.4/../../../:/lib/:/usr/lib/
> COLLECT_GCC_OPTIONS='-v' '-shared-libgcc' '-mtune=generic'
> /usr/libexec/gcc/x86_64-redhat-linux/4.4.4/collect2 --eh-frame-hdr
> --build-id -m elf_x86_64 --hash-style=gnu -dynamic-linker
> /lib64/ld-linux-x86-64.so.2
> /usr/lib/gcc/x86_64-redhat-linux/4.4.4/../../../../lib64/crt1.o
> /usr/lib/gcc/x86_64-redhat-linux/4.4.4/../../../../lib64/crti.o
> /usr/lib/gcc/x86_64-redhat-linux/4.4.4/crtbegin.o
> -L/usr/lib/gcc/x86_64-redhat-linux/4.4.4
> -L/usr/lib/gcc/x86_64-redhat-linux/4.4.4
> -L/usr/lib/gcc/x86_64-redhat-linux/4.4.4/../../../../lib64
> -L/lib/../lib64 -L/usr/lib/../lib64
> -L/usr/lib/gcc/x86_64-redhat-linux/4.4.4/../../.. /tmp/ccY7JKAw.o
> -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc
> /usr/lib/gcc/x86_64-redhat-linux/4.4.4/crtend.o
> /usr/lib/gcc/x86_64-redhat-linux/4.4.4/../../../../lib64/crtn.o
> /usr/lib/gcc/x86_64-redhat-linux/4.4.4/../../../../lib64/crt1.o: In
> function `_start':
> (.text+0x20): undefined reference to `main'
> collect2: ld returned 1 exit status
>
> the last step is the linking and there you see all the -L flags that are
> added
> when linking a c++ code. now you can add the -v flag when linking with
> gfortran and you can compare.
>
> cheers,
> axel.
>
> > Thank you,
> >
> > Susana
> >
> >
> > On Mon, Mar 14, 2011 at 9:22 PM, John Stone <johns_at_ks.uiuc.edu> wrote:
> >>
> >> Susana,
> >> You need a space between "-ltcl8.5" and "-L/usr/lib/", they are
> >> separate command parameters. You may need to edit your makefile
> >> to add spaces where necessary.
> >>
> >> Cheers,
> >> John
> >>
> >> On Mon, Mar 14, 2011 at 09:04:51PM +0000, Susana Tomasio wrote:
> >> > Hi Axel,
> >> >
> >> > Thank you for your reply.
> >> > Your are right it doesn't complain about -lstdc++. But now it
> >> > complains
> >> > about -ltcl8.5:
> >> >
> >> > ld: library not found for -ltcl8.5-L/usr/lib/
> >> > collect2: ld returned 1 exit status
> >> > make: *** [tester] Error 1
> >> >
> >> > Is it also related with the space between the words?
> >> > (Sorry I don't have experience with this sort of thing).
> >> >
> >> > Thank you,
> >> >
> >> > Susana
> >> >
> >> > On Mon, Mar 14, 2011 at 6:43 PM, Axel Kohlmeyer <
> akohlmey_at_gmail.com>
> >> > wrote:
> >> >
> >> > On Mon, Mar 14, 2011 at 12:52 PM, Susana Tomasio
> >> > <susietomasio_at_gmail.com> wrote:
> >> > > Hi all,
> >> > >
> >> > > I'm compiling the fortran bindings for the VMD molfile plugins
> >> > from
> >> > Axel
> >> > > Kohlmeyer.
> >> > >
> >> > > I've compiled the molfile plugins but I am having a linkage
> >> > problem
> >> > when
> >> > > compliling the
> >> > > fortran bindings. I am using a MacOSX Snow Leopard.
> >> >
> >> > [...]
> >> > > ld: library not found for -ltcl8.5-L/usr/lib/-lstdc++
> >> >
> >> > have a look at this error message.
> >> > it doesn't look right as a library name, or does it?
> >> > > collect2: ld returned 1 exit status
> >> > > make: *** [tester] Error 1
> >> > >
> >> > > And this is the edit section of my Makefile:
> >> > >
> >> > > ARCH = MACOSX86-64
> >> > > ARCHDIR = /Users/tomasio/plugins/MACOSXX86/molfile
> >> > > FC = g77
> >> > > #FC = g77
> >> > > #-fno-second-underscore
> >> > > CC = gcc
> >> > > LD = $(FC)
> >> > > OPT = -O2 -Wall
> >> > > CPPFLAGS = -I/Users/tomasio/plugins/include/
> >> > > -I/Users/tomasio/plugins/MACOSXX86 #
> >> > > -D_F77_F2C_UNDERSCORE
> >> > > CFLAGS = -c $(CPPFLAGS) $(OPT)
> >> > > FFLAGS = -c $(OPT)
> >> > > NETCDFLIB =
> >> > >
> >> >
> >> >
> -L/opt/local/var/macports/software/netcdf/4.1.1_4+dap+netcdf4/opt/local/lib/
> >> > > #/usr/lib64/netcdf-3
> >> > > NETCDFLDFLAGS = -lnetcdf
> >> > > TCLLIB =
> >> > /opt/local/var/macports/software/tcl/8.5.9_0/opt/local/lib/
> >> > > TCLLDFLAGS = -ltcl8.5
> >> > > LDFLAGS = -L$(ARCHDIR) $(TCLLIB) $(NETCDFLIB)
> >> > > LDLIBS = -lmolfile_plugin $(NETCDFLDFLAGS)
> >> > > $(TCLLDFLAGS)-L/usr/lib/-lstdc++ -ldl
> >> >
> >> > here is the problem. there have to be blanks between the "words",
> >> > i.e.
> >> > try:
> >> > $(TCLLDFLAGS) -L/usr/lib/ -lstdc++ -ldl
> >> >
> >> > cheers,
> >> > axel.
> >> > >
> >> > > I tried with gfortran and got the same error.
> >> > > I would be grateful if anyone could help me with this.
> >> > >
> >> > > Thank you,
> >> > >
> >> > > Susana
> >> > >
> >> >
> >> > --
> >> > Dr. Axel Kohlmeyer
> >> > akohlmey_at_gmail.com http://goo.gl/1wk0
> >> >
> >> > Institute for Computational Molecular Science
> >> > Temple University, Philadelphia PA, USA.
> >>
> >> --
> >> NIH Resource for Macromolecular Modeling and Bioinformatics
> >> Beckman Institute for Advanced Science and Technology
> >> University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
> >> Email: johns_at_ks.uiuc.edu Phone: 217-244-3349
> >> WWW: http://www.ks.uiuc.edu/~johns/ Fax: 217-244-6078
> >
> >
>
>
>
> --
> Dr. Axel Kohlmeyer
> akohlmey_at_gmail.com http://goo.gl/1wk0
>
> Institute for Computational Molecular Science
> Temple University, Philadelphia PA, USA.
>
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