/[MITgcm]/MITgcm/tools/build_options/linux_ia32_gfortran
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revision 1.4 by edhill, Fri May 12 19:08:46 2006 UTC revision 1.9 by jmc, Fri Aug 12 23:09:08 2011 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    # run with OpenMP: needs to set environment var. OMP_NUM_THREADS
18    #    and generally, needs to increase the thread stack-size:
19    #   -  sh,bash:
20    #     > export OMP_NUM_THREADS=2
21    #     > export GOMP_STACKSIZE=400m
22    #   - csh,tcsh:
23    #     > setenv OMP_NUM_THREADS 2
24    #     > setenv GOMP_STACKSIZE 400m
25    #-------
26    
27  FC=gfortran  FC=gfortran
28    F90C=gfortran
29  CC=gcc  CC=gcc
30  DEFINES='-D_BYTESWAPIO -DWORDLENGTH=4 -DNML_TERMINATOR'  DEFINES='-DWORDLENGTH=4 -DNML_TERMINATOR'
31  # CPP='gcc -E -traditional -P -'  CPP='cpp -traditional -P'
 CPP='cpp  -traditional -P'  
32  NOOPTFLAGS='-O0'  NOOPTFLAGS='-O0'
33    EXTENDED_SRC_FLAG='-ffixed-line-length-132'
34    GET_FC_VERSION="--version"
35    OMPFLAG='-fopenmp'
36    
37    if test "x$DEVEL" != x ; then
38        FFLAGS='-g -Wall -W -ffpe-trap=invalid,zero,overflow -fbounds-check'
39    else
40        FFLAGS=''
41    fi
42    
43    # Requires gfortran from 2006 onwards for -fconvert=big-endian
44    FFLAGS="$FFLAGS -fconvert=big-endian -fimplicit-none"
45    #- otherwise, switch to the home-made byte-swap:
46    #DEFINES="-D_BYTESWAPIO $DEFINES"
47    
48  if test "x$IEEE" = x ; then  if test "x$IEEE" = x ; then
49      #  No need for IEEE-754      #  No need for IEEE-754
50      #  "warning: -Wuninitialized is not supported without -O"      FOPTIM='-O3 -funroll-loops'
     FFLAGS='-Wunused'  
     FOPTIM='-O3 -malign-double -funroll-loops'  
51  else  else
52      #  Try to follow IEEE-754      #  Try to follow IEEE-754
53      has_sse2=f      has_sse2=f
54      grep flags /proc/cpuinfo | grep sse2 > /dev/null 2>&1  &&  has_sse2=t      grep flags /proc/cpuinfo | grep sse2 > /dev/null 2>&1  &&  has_sse2=t
55      if test "x$has_sse2" = xt ; then      if test "x$has_sse2" = xt ; then
56          FFLAGS='-Wunused -mfpmath=sse -msse -msse2'          FOPTIM='-O0 -mfpmath=sse -msse -msse2'
57      else      else
58          FFLAGS='-Wunused -ffloat-store'          FOPTIM='-O0 -ffloat-store'
59      fi      fi
     #  echo 'FFLAGS="'$FFLAGS'"'  
     FOPTIM='-O0 -malign-double'  
60  fi  fi
61    #  version 4.3.0 has problems with option "-malign-double" ;
62  if test -d /usr/include/netcdf-3 ; then  #  may want to put it back with older/newer version (when it works)
63    #FOPTIM="$FOPTIM -malign-double"
64    F90FLAGS=$FFLAGS
65    F90OPTIM=$FOPTIM
66    CFLAGS=$FOPTIM
67    
68    if [ "x$NETCDF_ROOT" != x ] ; then
69        INCLUDEDIR="${NETCDF_ROOT}/include"
70        INCLUDES="-I${NETCDF_ROOT}/include"
71        LIBDIR="${NETCDF_ROOT}/lib"
72        LIBS="-L${NETCDF_ROOT}/lib"
73    elif [ "x$NETCDF_HOME" != x ]; then
74        INCLUDEDIR="${NETCDF_HOME}/include"
75        INCLUDES="-I${NETCDF_HOME}/include"
76        LIBDIR="${NETCDF_HOME}/lib"
77        LIBS="-L${NETCDF_HOME}/lib"
78    elif [ "x$NETCDF_INC" != x -a "x$NETCDF_LIB" != x ]; then
79        NETCDF_INC=`echo $NETCDF_INC | sed 's/-I//g'`
80        NETCDF_LIB=`echo $NETCDF_LIB | sed 's/-L//g'`
81        INCLUDEDIR="${NETCDF_INC}"
82        INCLUDES="-I${NETCDF_INC}"
83        LIBDIR="${NETCDF_LIB}"
84        LIBS="-L${NETCDF_LIB}"
85    elif [ "x$NETCDF_INCDIR" != x -a "x$NETCDF_LIBDIR" != x ]; then
86        INCLUDEDIR="${NETCDF_INCDIR}"
87        INCLUDES="-I${NETCDF_INCDIR}"
88        LIBDIR="${NETCDF_LIBDIR}"
89        LIBS="-L${NETCDF_LIBDIR}"
90    elif test -d /usr/include/netcdf-3 ; then
91      INCLUDES='-I/usr/include/netcdf-3'      INCLUDES='-I/usr/include/netcdf-3'
92      LIBS='-L/usr/lib/netcdf-3'      LIBS='-L/usr/lib/netcdf-3'
93  elif test -d /usr/include/netcdf ; then  elif test -d /usr/include/netcdf ; then
# Line 47  elif test -d /usr/include/netcdf ; then Line 95  elif test -d /usr/include/netcdf ; then
95  elif test -d /usr/local/netcdf ; then  elif test -d /usr/local/netcdf ; then
96      INCLUDES='-I/usr/local/netcdf/include'      INCLUDES='-I/usr/local/netcdf/include'
97      LIBS='-L/usr/local/netcdf/lib'      LIBS='-L/usr/local/netcdf/lib'
98    elif test -d /usr/local/include/netcdf.inc ; then
99        INCLUDES='-I/usr/local/include'
100        LIBS='-L/usr/local/lib'
101  fi  fi
   
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