# If you're not using GCC version 3 or 4 and Linux or Mac OS X, you'll proably
# need to make some changes to the makefiles and possibly the source code.

# New gcc version grab  assumes a string like
# gcc (GCC) 4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)
# where the version is at position 10
gccversionstring =  $(shell gcc --version | head -1)
gccversion = ${gccversionstring:10:1}

#getversion = --version | head -1 | sed 's/.*) //' | sed 's/\..*//'
#gccversion = $(shell gcc $(getversion))

g77flags = -Wimplicit

export #export all variables
unexport getversion gccversion g77flags message #except these ones

CFLAGS = -Wall -W -O #-ggdb #-pg #-pedantic
#CFLAGS = -Wall -W
CXXFLAGS := $(CFLAGS)
#FFLAGS = -O -ffixed-line-length-132 -ggdb -Wall -W -fbounds-check #-pg #-pedantic
FFLAGS = -O -ffixed-line-length-132  -Wall -W   #-pg #-pedantic
CC = gcc
CXX = g++


ifeq ($(gccversion),4)
  ifeq ($(gccversion),4)
#  ifeq ($(shell gfortran $(getversion)),4)
    FC = gfortran
    # cfortran.h wants gFortran to be defined
    # We have two versions of cfortran.h: one from NetCDF and one from Debian
    # Both versions support GCC 4, whereas the official version does not
    # We use NetCDF's cfortran.h at the moment
    # The other version is in CTP/cfortran.h.debian
    CFLAGS += -DgFortran
    CXXFLAGS += -DgFortran
  else
    # this happens if you're using a JLab RHEL3 system and have typed "use gcc/4.1.1"
    # JLab RHEL3 systems currently have GCC 4 but no gfortran.
    define message

  +--------------------------------------------------------------------------+
  | Warning: Using GNU C compiler version 4 but gfortran not found. Falling  |
  | back to g77 + GCC 3 for Fortran but still using GCC 4 for C and C++.     |
  +--------------------------------------------------------------------------+
    endef
    $(warning $(message))
    FC = g77
    FFLAGS += $(g77flags) -static
  endif
else
  FC = gfortran
  FFLAGS += $(g77flags)
endif

SHELL = /bin/sh
CP = cp -f
RM = rm -f

# This program has only been tested under Linux and Mac OS X lately
# For either Mac or Linux, this variable should be set to Linux
MYOS = Linux
#
# There are a couple places in the Makefiles where libraries are chosen for linking.  
# It is helpful to know in these situations what the real OS is - i.e. Linux vs. MacOSX(Darwin)
# 
MYREALOS := $(subst -,,$(shell uname))

# Once upon a time, there were variables named $(MYOS), $(OSTYPE), and $(ARCH)
# but they all tended to be set to the same value. We only use MYOS now, and
# it's always set to Linux.
#MYOS := $(subst -,,$(shell uname))
#ifeq ($(MYOS),SunOS)
#  OSTYPE = $(MYOS)
#else
#  ifeq ($(MYOS),HPUX)
#    OSTYPE = hpux10
#  else
#    ifeq ($(MYOS),AIX)
#      OSTYPE = aix
#    else
#      OSTYPE = $(MYOS)
#    endif
#  endif
#endif