/[MITgcm]/MITgcm/tools/build_options/linux_amd64_gfortran
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revision 1.3 by ce107, Mon Aug 20 20:31:00 2007 UTC revision 1.26 by jmc, Wed Oct 1 23:12:14 2014 UTC
# Line 1  Line 1 
1  #!/bin/bash  #!/bin/bash
2  #  
3  #  $Header$  #  $Header$
4  #  $Name$  #  $Name$
 #  
5    
6  #  Tested with gcc-gfortran v4.0.x as shipped with Fedora Core 4.  # Build options for gfortran compiler (GNU) on Linux AMD64 platform
 #  It fixes the ' \' versus ' &' terminator problem but some  
 #  namelist problems remain.  The biggest seems to be the inability  
 #  of current gfortran versions to support namelist syntax such as:  
7  #  #
8  #     fields(1,1) = 'UVELSLT ','VVELSLT ','WVELSLT ',  #  Tested with gcc-gfortran v4.1.x as shipped with Fedora Core 6,7,8
9    #         with gcc-gfortran v4.3.x as shipped with Fedora Core 9,10
10  #  #
11  #  which results in run-time errors.  # OpenMP : Tested on dickens with gcc-gfortran v4.3.2 as shipped with FC 10
12    #              on baudelaire with gcc-gfortran v4.4.5 as shipped with FC 13
13    #              on danton     with gcc-gfortran v4.5.1 as shipped with FC 14
14    #                            with gcc-gfortran v4.7.x as shipped with FC 17
15    #                            with gcc-gfortran v4.8.1 as shipped with FC 19
16    #              on acesgrid   with gcc-gfortran v4.6.0 as shipped with FC 15
17    #
18    # MPI : Tested on acesgrid (Fedora Core 15), using:
19    #       module load gcc     (Version 4.6.0)
20    #   and with mpich1:
21    #       module load mvapich
22    #   or  with mpich2:
23    #       module load mvapich2
24    #   or  with openmpi:
25    #       module load openmpi
26    # and on baudelaire.csail.mit.edu (FC13), using:
27    #       export MPI_GCC_DIR=/srv/software/gcc/gcc-packages/gcc-4.4.5/mpich2/mpich2-1.3
28    #       export MPI_INC_DIR=$MPI_GCC_DIR/include
29    #       export PATH=$MPI_GCC_DIR/bin:$PATH
30    #
31    # and on IRIDIS at Southampton
32    # http://www.southampton.ac.uk/isolutions/computing/hpc/iridis/
33    #    with
34    #       module load openmpi/1.4.3/gcc-4.3.3
35    #    and
36    #       export MPI_INC_DIR=$MPIROOT/include
37    
38    #-------
39    # run with OpenMP: needs to set environment var. OMP_NUM_THREADS
40    #    and generally, needs to increase the thread stack-size:
41    #   -  sh,bash:
42    #     > export OMP_NUM_THREADS=2
43    #     > export GOMP_STACKSIZE=400m
44    #   - csh,tcsh:
45    #     > setenv OMP_NUM_THREADS 2
46    #     > setenv GOMP_STACKSIZE 400m
47    #-------
48    
49    if test "x$MPI" = xtrue ; then
50      CC=${CC:=mpicc}
51      FC=${FC:=mpif77}
52      F90C=${F90C:=mpif90}
53    else
54      CC=gcc
55      FC=gfortran
56      F90C=gfortran
57    fi
58    
 FC=gfortran  
 F90C=gfortran  
 CC=gcc  
59  DEFINES='-DWORDLENGTH=4 -DNML_TERMINATOR'  DEFINES='-DWORDLENGTH=4 -DNML_TERMINATOR'
60  CPP='cpp  -traditional -P'  EXTENDED_SRC_FLAG='-ffixed-line-length-132'
61  NOOPTFLAGS='-O0'  F90FIXEDFORMAT='-ffixed-form'
62    GET_FC_VERSION="--version"
63    OMPFLAG='-fopenmp'
64    
65  if test "x$DEVEL" != x ; then  NOOPTFLAGS='-O0'
66      FFLAGS='-g -Wall -W -ffpe-trap=invalid,zero,overflow -fbounds-check'  NOOPTFILES=''
 else  
     FFLAGS=''  
 fi  
67    
68  # Requires gfortran from 2006 onwards for -fconvert=big-endian  CFLAGS='-O0'
69    #- Requires gfortran from 2006 onwards for -fconvert=big-endian
70  FFLAGS="$FFLAGS -fconvert=big-endian -fimplicit-none"  FFLAGS="$FFLAGS -fconvert=big-endian -fimplicit-none"
71    #- for big setups, compile & link with "-fPIC" or set memory-model to "medium":
72    #CFLAGS="$CFLAGS -fPIC"
73    #FFLAGS="$FFLAGS -fPIC"
74    #-  with FC 19, need to use this without -fPIC (which cancels -mcmodel option):
75     CFLAGS="$CFLAGS -mcmodel=medium"
76     FFLAGS="$FFLAGS -mcmodel=medium"
77    #- might want to use '-fdefault-real-8' for fizhi pkg:
78    #FFLAGS="$FFLAGS -fdefault-real-8 -fdefault-double-8"
79    
80  if test "x$IEEE" = x ; then  if test "x$IEEE" = x ; then     #- with optimisation:
81      #  No need for IEEE-754     #- full optimisation
82      FOPTIM='-O3 -funroll-loops'      FOPTIM='-O3 -funroll-loops'
83        NOOPTFILES="$NOOPTFILES ini_masks_etc.F"
84       #- can use -O2 (safe optimisation) to avoid Pb with some gcc version of -O3:
85       #FOPTIM='-O2 -funroll-loops'
86  else  else
87      #  Try to follow IEEE-754     # these may also be useful, but require specific gfortran versions:
88       # -Wnonstd-intrinsics        for gfortran <= 4.3
89       # -Wintrinsics-std           for gfortran >= 4.4
90       # -Wno-tabs                  for gfortran >= 4.3
91       # -Wno-unused-dummy-argument for gfortran >= 4.6
92       #FFLAGS="$FFLAGS -Waliasing -Wampersand -Wsurprising -Wline-truncation"
93       #- or simply:
94        FFLAGS="$FFLAGS -Wall"
95       #- to get plenty of warnings: -Wall -Wextra (older form: -Wall -W) or:
96       #FFLAGS="$FFLAGS -Wconversion -Wimplicit-interface -Wunused-labels"
97      if test "x$DEVEL" = x ; then  #- no optimisation + IEEE :
98      FOPTIM='-O0'      FOPTIM='-O0'
99      else                          #- development/check options:
100        FOPTIM='-O0 -g -fbounds-check'
101        FOPTIM="$FOPTIM -ffpe-trap=invalid,zero,overflow -finit-real=inf"
102      fi
103  fi  fi
104    
105  F90FLAGS=$FFLAGS  F90FLAGS=$FFLAGS
106  F90OPTIM=$FOPTIM  F90OPTIM=$FOPTIM
107  CFLAGS=$FOPTIM  
108    INCLUDEDIRS=''
109    INCLUDES=''
110    LIBS=''
111    
112  if [ "x$NETCDF_ROOT" != x ] ; then  if [ "x$NETCDF_ROOT" != x ] ; then
113      INCLUDEDIR="${NETCDF_ROOT}/include"      INCLUDEDIR="${NETCDF_ROOT}/include"
# Line 74  elif test -d /usr/local/netcdf ; then Line 142  elif test -d /usr/local/netcdf ; then
142  elif test -d /usr/local/include/netcdf.inc ; then  elif test -d /usr/local/include/netcdf.inc ; then
143      INCLUDES='-I/usr/local/include'      INCLUDES='-I/usr/local/include'
144      LIBS='-L/usr/local/lib64'      LIBS='-L/usr/local/lib64'
145    elif test -d /usr/include/netcdf.inc ; then
146        INCLUDES='-I/usr/include'
147        LIBS='-L/usr/lib64'
148    fi
149    
150    if [ -n "$MPI_HOME" -a -z "$MPI_INC_DIR" ]; then
151        MPI_INC_DIR="$MPI_HOME/include"
152    fi
153    if [ -n "$MPI_INC_DIR" -a "x$MPI" = xtrue ] ; then
154        INCLUDES="$INCLUDES -I$MPI_INC_DIR"
155        INCLUDEDIRS="$INCLUDEDIRS $MPI_INC_DIR"
156        #- used for parallel (MPI) DIVA
157        MPIINCLUDEDIR="$MPI_INC_DIR"
158       #MPI_HEADER_FILES='mpif.h mpiof.h'
159  fi  fi
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