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Larry: I used your 64 bit configuration (mine differed only in that it used -Df2cFortran) and I have a single libnetcdf.a and it ran with my test fortran90 program just fine. Thanks Much Bill On 8/13/10 11:15 MDT, "Larry Baker" <baker@xxxxxxxx> wrote: > Bill, > > I have just finished building netCDF on Linux and Mac OS X with > several compilers (GNU, PGI, Intel, PathScale). For the GNU gcc/g++/ > gfortran 32-bit compiles, I used: > > # ./configure >configure.log 2>&1 \ > --prefix=/usr/local/netcdf \ > CC="gcc -m32" \ > CFLAGS="-g -O3" \ > CXX="g++ -m32" \ > CXXFLAGS="-g -O3" \ > CPPFLAGS="-DNDEBUG -DgFortran" \ > FC="gfortran -m32" \ > FCFLAGS="-g -O3" \ > F77="gfortran -m32" \ > FFLAGS="-g -O3" > > For the GNU gcc/g++/gfortran 64-bit compiles, all I had to do is > change -m32 to -m64: > > # ./configure >configure.log 2>&1 \ > --prefix=/usr/local/netcdf64 \ > CC="gcc -m64" \ > CFLAGS="-g -O3" \ > CXX="g++ -m64" \ > CXXFLAGS="-g -O3" \ > CPPFLAGS="-DNDEBUG -DgFortran" \ > FC="gfortran -m64" \ > FCFLAGS="-g -O3" \ > F77="gfortran -m64" \ > FFLAGS="-g -O3" > > On our version of Linux (CentOS 4.5), the GNU compilers default to 32- > bit, even though it is x86_64 GNU/Linux. Thus, the -m32/-m64 > options. The tests passed in all cases. > > gcc is 3.4.6; gfortran is 4.1.1. > > My build does not have a library named libnetcdff.a, so I'm not sure > if we are configuring netCDF the same way: > > [root@hydra ~]# ls /usr/local/netcdf*/lib > /usr/local/netcdf64/lib: > libnetcdf.a libnetcdf_c++.a libnetcdf_c++.la libnetcdf.la pkgconfig > > /usr/local/netcdf/lib: > libnetcdf.a libnetcdf_c++.a libnetcdf_c++.la libnetcdf.la pkgconfig > > [root@hydra ~]# find /usr/local/netcdf* -name libnetcdff.a > > Larry Baker > US Geological Survey > 650-329-5608 > baker@xxxxxxxx > > On Aug 11, 2010, at 3:39 PM, Capehart, William J wrote: > >> When building Netcdf 4.1.1 (and also 4.0.1) on a Mandriva 2010.0 and >> 2010.1 >> rigs (both 32 and 64 bit) I¹ve run into an annoying problem when >> working >> with the GCC 4.4.3 compilers (and like others, I¹m getting >> satisfactory >> results with the DpgiFortran option but that¹s another matter). >> >> The resulting library for the libnetcdf.a file for the 32bit build >> has all >> the fortran functions and also reside in the libnetcdff.a library. >> Meanwhile those functions do NOT land in the 64bit libnetcdf.a (but >> they ARE >> in the libnetcdff.a library). Any Idea as to why that¹s happening, >> how to >> get the 64 bit build to act like the 32-bit build, or just how to >> use a >> little Psychology and Extreme Violence? to merge the ff.a into the >> f.a file >> (or even if that¹s a tolerable idea). >> >> Thanks Much >> ================================================================ >> Bill Capehart <William.Capehart@xxxxxxxxx> Associate Professor >> Institute of Atmospheric Sciences Department Chair >> 213 Mineral Industries Building >> South Dakota School of Mines and Technology Ph: +1-605-394-1994 >> 501 East Saint Joseph Street Fax: +1-605-394-6061 >> Rapid City, SD 57701-3995 Mobile: +1-605-484-5692 >> =================== http://capehart.sdsmt.edu ================== >> >> >> _______________________________________________ >> netcdfgroup mailing list >> netcdfgroup@xxxxxxxxxxxxxxxx >> For list information or to unsubscribe, visit: >> http://www.unidata.ucar.edu/mailing_lists/ >
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