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20050214: Problem compiling UDUNITS: cfortran.h


> To: address@hidden
> From: Daniel Victoria <address@hidden>
> Subject: Problem with udunits
> Organization: ?
> Keywords: 200502141930.j1EJUbv2011317 UDUNITS

The above message contained the following:

> I'm trying to compile udunits but it's not working. So, following the
> instructions on the INSTALL file that comes with the program, I'm
> sending you the errors that I'm encountering.
> The machine is:
> Linux juruti 2.4.21-266-athlon #1 Fri Dec 10 16:27:18 UTC 2004 i686
> athlon i386 GNU/Linux
> Runnign SUSE Linux
> udunits version: 1.12.2
> cc path: /usr/bin
> I'm also sending the configure.log, config.log and make.log, as asked
> Thanks for the help
> Daniel


    making `all' in directory /home/daniel/lixo/udunits-1.12.2/src/lib

    make[1]: Entering directory `/home/daniel/lixo/udunits-1.12.2/src/lib'
    ln -s ../port/misc/udalloc.c .
    ln -s ../port/misc/udalloc.h .
    cc -c -O -I../port/misc -I../port/cfortran 
-DUT_DEFAULT_PATH='"/home/daniel/lixo/udunits-1.12.2/etc/udunits.dat"'  utlib.c
    In file included from utlib.c:29:
    ../port/cfortran/cfortran.h:132:3: #error "cfortran.h:  Can't find your 
environment among:    - MIPS cc and f77 2.0. (e.g. Silicon Graphics, 
DECstations, ...)         - IBM AIX XL C and FORTRAN Compiler/6000 Version 
01.01.0000.0000         - VAX   VMS CC 3.1 and FORTRAN 5.4.                     
                 - Alpha VMS DEC C 1.3 and DEC FORTRAN 6.0.                     
          - Alpha OSF DEC C and DEC Fortran for OSF/1 AXP Version 1.2           
   - Apollo DomainOS 10.2 (sys5.3) with f77 10.7 and cc 6.7.                - 
CRAY                                                                   - NEC 
SX-4 SUPER-UX                                                      - CONVEX     
                                                            - Sun               
                                                     - PowerStation Fortran 
with Visual C++                                   - HP9000s300/s700/s800 Latest 
test with: HP-UX A.08.07 A 9000/730        - LynxOS: cc or gcc with f2c.        
                                    - VAXUltrix: vcc,cc or gcc with f2c. gcc or 
cc with f77.                 -            f77 with vcc works; but missing link 
magic for f77 I/O.     -            NO fort. None of gcc, cc or vcc generate 
required names.    - f2c    : Use #define    f2cFortran, or cc -Df2cFortran     
            - NAG f90: Use #define NAGf90Fortran, or cc -DNAGf90Fortran         
     - Absoft UNIX F77: Use #define AbsoftUNIXFortran or cc -DAbsoftUNIXFortran 
    - Absoft Pro Fortran: Use #define AbsoftProFortran     - Portland Group 
Fortran: Use #define pgiFortran"
    make[1]: *** [utlib.o] Error 1
    make[1]: Leaving directory `/home/daniel/lixo/udunits-1.12.2/src/lib'
    make: *** [lib/all] Error 1

In order to avoid the above problem, you must define the C macro that
tells the C compiler what Fortran calling-conventions to use (the buid
procedure builds a Fortran interface as well as a C interface).  If you
know what Fortran compiler you want to support, then you should define
the corresponding C macro from the list above (e.g., "NAGf90Fortran" for
the Absoft UNIX F77 compier).  If you don't care about Fortran support,
then any of the above C macros will do.

You'll have to start from scratch in order for the C macro definition to
"take".  Do the following:

    1.  Go to the top-level source-directory.

    2.  Perform steps 3 through 5, described near the end of the file

    3.  Ensure that the CPPFLAGS environment variable defines an
        appropriate C macro, e.g.,

            export CPPFLAGS='-Df2cFortran -DNDEBUG'

    4.  Perform steps 6 through 9, described near the end of the file

Please let me know if this helps.

Steve Emmerson