/[MITgcm]/MITgcm/tools/build_options/linux_ia32_gfortran
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revision 1.3 by edhill, Sun Oct 16 06:35:31 2005 UTC revision 1.6 by jmc, Fri Jan 2 20:40:42 2009 UTC
# Line 4  Line 4 
4  #  $Name$  #  $Name$
5  #  #
6    
7  #  Tested with gcc-gfortran v4.0.x as shipped with Fedora Core 4.  #  Tested with gcc-gfortran v4.1.1 on FC5, FC6, FC8, using flags
8  #  It fixes the ' \' versus ' &' terminator problem but some  #              formally for gcc-gfortran 4.3*
9  #  namelist problems remain.  The biggest seems to be the inability  #       + with gcc-gfortran v4.3.0 on FC9
10  #  of current gfortran versions to support namelist syntax such as:  #  It fixes the ' \' versus ' &' terminator problem ;
11  #  #  some namelist problems remain with old version (The biggest seems
12    #     to be the inability to support namelist syntax such as:
13  #     fields(1,1) = 'UVELSLT ','VVELSLT ','WVELSLT ',  #     fields(1,1) = 'UVELSLT ','VVELSLT ','WVELSLT ',
14  #  #      which results in run-time errors).
 #  which results in run-time errors.  
15    
16    
17  FC=gfortran  FC=gfortran
18    F90C=gfortran
19  CC=gcc  CC=gcc
20  DEFINES='-D_BYTESWAPIO -DWORDLENGTH=4 -DNML_TERMINATOR'  DEFINES='-DWORDLENGTH=4 -DNML_TERMINATOR'
21  CPP='cpp  -traditional -P'  CPP='cpp -traditional -P'
22  NOOPTFLAGS='-O0'  NOOPTFLAGS='-O0'
23    EXTENDED_SRC_FLAG='-ffixed-line-length-132'
24    
25    if test "x$DEVEL" != x ; then
26        FFLAGS='-g -Wall -W -ffpe-trap=invalid,zero,overflow -fbounds-check'
27    else
28        FFLAGS=''
29    fi
30    
31    # Requires gfortran from 2006 onwards for -fconvert=big-endian
32    FFLAGS="$FFLAGS -fconvert=big-endian -fimplicit-none"
33    #- otherwise, switch to the home-made byte-swap:
34    #DEFINES="-D_BYTESWAPIO $DEFINES"
35    
36  if test "x$IEEE" = x ; then  if test "x$IEEE" = x ; then
37      #  No need for IEEE-754      #  No need for IEEE-754
38      #  "warning: -Wuninitialized is not supported without -O"      FOPTIM='-O3 -funroll-loops'
     FFLAGS='-Wunused'  
     FOPTIM='-O3 -malign-double -funroll-loops'  
39  else  else
40      #  Try to follow IEEE-754      #  Try to follow IEEE-754
41      has_sse2=f      has_sse2=f
42      grep flags /proc/cpuinfo | grep sse2 > /dev/null 2>&1  &&  has_sse2=t      grep flags /proc/cpuinfo | grep sse2 > /dev/null 2>&1  &&  has_sse2=t
43      if test "x$has_sse2" = xt ; then      if test "x$has_sse2" = xt ; then
44          FFLAGS='-Wunused -mfpmath=sse -msse -msse2'          FOPTIM='-O0 -mfpmath=sse -msse -msse2'
45      else      else
46          FFLAGS='-Wunused -ffloat-store'          FOPTIM='-O0 -ffloat-store'
47      fi      fi
     #  echo 'FFLAGS="'$FFLAGS'"'  
     FOPTIM='-O0 -malign-double'  
48  fi  fi
49    #  version 4.3.0 has problems with option "-malign-double" ;
50  if test -d /usr/include/netcdf-3 ; then  #  may want to put it back with older/newer version (when it works)
51    #FOPTIM="$FOPTIM -malign-double"
52    F90FLAGS=$FFLAGS
53    F90OPTIM=$FOPTIM
54    CFLAGS=$FOPTIM
55    
56    if [ "x$NETCDF_ROOT" != x ] ; then
57        INCLUDEDIR="${NETCDF_ROOT}/include"
58        INCLUDES="-I${NETCDF_ROOT}/include"
59        LIBDIR="${NETCDF_ROOT}/lib"
60        LIBS="-L${NETCDF_ROOT}/lib"
61    elif [ "x$NETCDF_HOME" != x ]; then
62        INCLUDEDIR="${NETCDF_HOME}/include"
63        INCLUDES="-I${NETCDF_HOME}/include"
64        LIBDIR="${NETCDF_HOME}/lib"
65        LIBS="-L${NETCDF_HOME}/lib"
66    elif [ "x$NETCDF_INC" != x -a "x$NETCDF_LIB" != x ]; then
67        NETCDF_INC=`echo $NETCDF_INC | sed 's/-I//g'`
68        NETCDF_LIB=`echo $NETCDF_LIB | sed 's/-L//g'`
69        INCLUDEDIR="${NETCDF_INC}"
70        INCLUDES="-I${NETCDF_INC}"
71        LIBDIR="${NETCDF_LIB}"
72        LIBS="-L${NETCDF_LIB}"
73    elif [ "x$NETCDF_INCDIR" != x -a "x$NETCDF_LIBDIR" != x ]; then
74        INCLUDEDIR="${NETCDF_INCDIR}"
75        INCLUDES="-I${NETCDF_INCDIR}"
76        LIBDIR="${NETCDF_LIBDIR}"
77        LIBS="-L${NETCDF_LIBDIR}"
78    elif test -d /usr/include/netcdf-3 ; then
79      INCLUDES='-I/usr/include/netcdf-3'      INCLUDES='-I/usr/include/netcdf-3'
80      LIBS='-L/usr/lib/netcdf-3'      LIBS='-L/usr/lib/netcdf-3 -L/usr/lib64/netcdf-3'
81  elif test -d /usr/include/netcdf ; then  elif test -d /usr/include/netcdf ; then
82      INCLUDES='-I/usr/include/netcdf'      INCLUDES='-I/usr/include/netcdf'
83  elif test -d /usr/local/netcdf ; then  elif test -d /usr/local/netcdf ; then
84      INCLUDES='-I/usr/local/netcdf/include'      INCLUDES='-I/usr/local/netcdf/include'
85      LIBS='-L/usr/local/netcdf/lib'      LIBS='-L/usr/local/netcdf/lib'
86    elif test -d /usr/local/include/netcdf.inc ; then
87        INCLUDES='-I/usr/local/include'
88        LIBS='-L/usr/local/lib64'
89  fi  fi
   
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