--- MITgcm/tools/genmake2	2003/12/09 18:58:24	1.57
+++ MITgcm/tools/genmake2	2004/01/23 16:12:45	1.63
@@ -1,6 +1,6 @@
 #! /usr/bin/env bash
 #
-# $Header: /home/ubuntu/mnt/e9_copy/MITgcm/tools/genmake2,v 1.57 2003/12/09 18:58:24 edhill Exp $
+# $Header: /home/ubuntu/mnt/e9_copy/MITgcm/tools/genmake2,v 1.63 2004/01/23 16:12:45 edhill Exp $
 #
 # Makefile generator for MITgcm UV codes
 #   created  by cnh 03/98
@@ -437,6 +437,33 @@
 }
 
 
+check_netcdf_libs()  {
+    cat <<EOF > genmake_tnc.F
+      program fgennc
+#include "netcdf.inc"
+      integer iret, ncid, xid
+      iret = nf_create('genmake_tnc.nc', NF_CLOBBER, ncid)
+      IF (iret .NE. NF_NOERR) write(*,*) NF_STRERROR(iret)
+      iret = nf_def_dim(ncid, 'X', 11, xid)
+      IF (iret .NE. NF_NOERR) write(*,*) NF_STRERROR(iret)
+      iret = nf_close(ncid)
+      IF (iret .NE. NF_NOERR) write(*,*) NF_STRERROR(iret)
+      end
+EOF
+    $CPP genmake_tnc.F > genmake_tnc.f  \
+	&&  $FC $FFLAGS $FOPTIM -o genmake_tnc genmake_tnc.f $LIBS >> genmake_tnc.log 2>&1
+    RET_COMPILE=$?
+    test -x ./genmake_tnc  &&  ./genmake_tnc >> genmake_tnc.log 2>&1
+    RETVAL=$?
+    if test "x$RET_COMPILE" = x0 -a "x$RETVAL" = x0 ; then
+	HAVE_NETCDF=t
+    else
+	cat genmake_tnc.log >> genmake_warnings
+    fi
+    rm -f genmake_tnc*
+}
+
+
 #  Set defaults here
 COMMANDL="$0 $@"
 
@@ -445,6 +472,7 @@
 S64=
 KPP=
 FC=
+CPP=
 LINK=
 # DEFINES="-DWORDLENGTH=4"
 DEFINES=
@@ -473,6 +501,7 @@
 HAVE_FDATE=
 FC_NAMEMANGLE=
 HAVE_CLOC=
+HAVE_NETCDF=
 
 MODS=
 TOOLSDIR=
@@ -512,7 +541,7 @@
 
 #  The following state can be set directly by command-line switches
 gm_s1="OPTFILE PDEPEND PDEFAULT MAKEFILE PLATFORM ROOTDIR MODS DISABLE ENABLE"
-gm_s2="FC IEEE MPI JAM DUMPSTATE STANDARDDIRS"
+gm_s2="FC CPP IEEE MPI JAM DUMPSTATE STANDARDDIRS"
 
 #  The following state is not directly set by command-line switches
 gm_s3="LN S64 KPP LINK PACKAGES MAKEDEPEND PDEPEND PDEFAULT INCLUDES FFLAGS FOPTIM "
@@ -805,12 +834,21 @@
 if test "x$LINK" = x ; then
     LINK=$FC
 fi
-if test "x$CPP" = x ; then
-    CPP="cpp"
-fi
 if test "x$MAKE" = x ; then
     MAKE="make"
 fi
+if test "x$CPP" = x ; then
+    CPP=cpp
+fi
+#EH3 === UGLY ===
+#  The following an ugly little hack to check for $CPP in /lib/ and it
+#  should eventually be replaced with a more general function that
+#  searches a combo of the user's path and a list of "usual suspects"
+#  to find the correct location for binaries such as $CPP.
+for i in " " "/lib/" ; do
+    echo "#define A a" | $i$CPP > test_cpp 2>&1 && CPP=$i$CPP
+done
+#EH3 === UGLY ===
 echo "#define A a" | $CPP > test_cpp 2>&1
 RETVAL=$?
 if test "x$RETVAL" != x0 ; then
@@ -897,6 +935,14 @@
 fi
 rm -f genmake_t*
 
+echo -n "  Can we create NetCDF-enabled binaries...  "
+check_netcdf_libs
+if test "x$HAVE_NETCDF" != x ; then
+    echo "yes"
+else
+    echo "no"
+fi
+
 
 printf "\n===  Setting defaults  ===\n"
 echo -n "  Adding MODS directories:  "
@@ -957,11 +1003,25 @@
 	rm -f make_eesupp.errors
     else
 	echo "Error: problem encountered while building source files in eesupp:"
-	cat make_eesupp.errors
+	cat make_eesupp.errors 1>&2
 	exit 1
     fi
 fi
 
+#same for exch2
+if test -r $ROOTDIR"/pkg/exch2/Makefile" ; then
+    echo "  Making source files in exch2 from  templates"
+    ( cd $ROOTDIR"/pkg/exch2/" && $MAKE ) > make_exch2.errors 2>&1
+    RETVAL=$?
+    if test "x${RETVAL}" = x0 ; then
+        rm -f make_exch2.errors
+    else
+        echo "Error: problem encountered while building source files in exch2:"
+        cat make_exch2.errors 1>&2
+        exit 1
+    fi
+fi
+
 printf "\n===  Determining package settings  ===\n"
 if  test "x${PDEPEND}" = x ; then
     tmp=$ROOTDIR"/pkg/pkg_depend"
@@ -1145,6 +1205,32 @@
     fi
 done
 
+#  Build MNC templates and check for ability to build and use NetCDF
+echo $PACKAGES | grep ' mnc ' > /dev/null 2>&1
+RETVAL=$?
+if test "x$RETVAL" = x0 ; then
+    ( cd $ROOTDIR"/pkg/mnc" && $MAKE templates ) > make_mnc.errors 2>&1
+    RETVAL=$?
+    if test "x${RETVAL}" = x0 ; then
+	rm -f make_mnc.errors
+    else
+	echo "Error: problem encountered while building source files in pkg/mnc:"
+	cat make_mnc.errors 1>&2
+	exit 1
+    fi
+    if test -a "x$HAVE_NETCDF" != xt ; then
+	cat <<EOF
+
+WARNING: the "mnc" package has been enabled but tests failed to 
+  compile and/or execute NetCDF applications.  Please check that:
+
+  1) NetCDF is installed for your compiler and
+  2) the LIBS variable (within the 'optfile") specifies the correct 
+       NetCDF library to link against.
+  
+EOF
+    fi
+fi
 
 # Create a list of #define and #undef to enable/disable packages
 PACKAGES_DOT_H=PACKAGES_CONFIG.h
@@ -1257,6 +1343,7 @@
     done
 done
 
+
 echo
 echo "===  Creating the Makefile  ==="
 echo "  setting INCLUDES"
@@ -1676,7 +1763,7 @@
 if test ! -f $PACKAGES_DOT_H ; then
     mv -f $PACKAGES_DOT_H".tmp" $PACKAGES_DOT_H
 else
-    cmp $PACKAGES_DOT_H".tmp" $PACKAGES_DOT_H
+    cmp $PACKAGES_DOT_H".tmp" $PACKAGES_DOT_H > /dev/null 2>&1
     RETVAL=$?
     if test "x$RETVAL" = x0 ; then
 	rm -f $PACKAGES_DOT_H".tmp"