--- MITgcm/tools/xmakedepend	2002/02/11 23:15:24	1.1.2.1
+++ MITgcm/tools/xmakedepend	2016/12/30 23:56:52	1.13
@@ -1,4 +1,7 @@
-#!/usr/bin/sh
+#! /usr/bin/env sh
+#
+# $Header: /home/ubuntu/mnt/e9_copy/MITgcm/tools/xmakedepend,v 1.13 2016/12/30 23:56:52 jmc Exp $
+# $Name:  $
 #
 # $TOG: mdepend.cpp /main/13 1997/06/20 21:12:18 kaleb $
 #
@@ -23,17 +26,33 @@
 #	"-" (at least, that is what the documentation implies).
 #
 # $XFree86: xc/config/util/mdepend.cpp,v 3.2 1997/06/29 07:54:20 dawes Exp $
-#
 
-CC="cpp -traditional -Dlinux -D__i386__ -D_POSIX_C_SOURCE=199309L -D_POSIX_SOURCE -D_XOPEN_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE  -D_GNU_SOURCE  "
+CPPARGS="-Dlinux -D__i386__ -D_POSIX_C_SOURCE=199309L -D_POSIX_SOURCE -D_XOPEN_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE  -D_GNU_SOURCE  "
+CPPARGS="-traditional $CPPARGS"
+
+CC="cpp $CPPARGS"
+if test -x /lib/cpp ; then
+    CC="/lib/cpp $CPPARGS"
+fi
 
 silent='-'
 
-TMP=./mdep$$
+#TMP=./mdep$$
+#- try to put temporary files in system-local /tmp dir
+TMP=/tmp/mdep$$
+touch $TMP ; retVal=$?
+if [ $retVal -eq 0 ] ; then
+  if test ! -r $TMP ; then TMP=./mdep$$ ; fi
+else
+  TMP=./mdep$$
+fi
+rm -f $TMP
+#echo "temp files: $TMP"
+
 CPPCMD=${TMP}a
 DEPENDLINES=${TMP}b
 TMPMAKEFILE=${TMP}c
-MAGICLINE=${TMP}d
+HEAD_MKFILE=${TMP}d
 ARGS=${TMP}e
 
 trap "rm -f ${TMP}*; exit 1" 1 2 15
@@ -118,6 +137,11 @@
 			    shift
 			    ;;
 
+			-cpp)
+			    CC="$2 $CPPARGS"
+			    shift
+			    ;;
+
 			-*)
 			    echo "Unknown option '$1' ignored" 1>&2
 			    ;;
@@ -156,7 +180,7 @@
 	;;
 esac
 
-if [ "$verbose"x = "y"x ]; then 
+if [ "$verbose"x = "y"x ]; then
     cat $CPPCMD
 fi
 
@@ -165,18 +189,15 @@
 do
     $CPPCMD $i       | sed -n "/^#/s;^;$i ;p"
 
-done   | sed -e 's|/[^/.][^/]*/\.\.||g' -e 's|/\.[^.][^/]*/\.\.||g'     -e 's|"||g' -e 's| \./| |'   | awk '{
+done   | sed -e 's|/[^/.][^/]*/\.\.||g' -e 's|/\.[^.][^/]*/\.\.||g'     -e 's|"||g' -e 's| \./| |'   | awk '!/<.*>/{
 	if ($1 != $4  &&  $2 != "#ident" && $2 != "#pragma")
 
-
-
 	    {
 	    ofile = substr ($1, 1, length ($1) - 2) "'"$objsuffix"'"
 	    print ofile, $4
 	    }
 	}'   | sort -u   | awk '
 
-
 	    {
 	    newrec = rec " " $2
 	    if ($1 != old1)
@@ -200,7 +221,6 @@
 		print rec
 	    }'   | egrep -v '^[^:]*:[ 	]*$' >> $DEPENDLINES
 
-
 trap "" 1 2 13 15	# Now we are committed
 case "$makefile" in
     $TMPMAKEFILE)
@@ -212,12 +232,10 @@
 	;;
 esac
 
-#
 # If not -a, append the magic string and a blank line so that
 # /^$magic_string/+1,\$d can be used to delete everything from after
 # the magic string to the end of the file.  Then, append a blank
 # line again and then the dependencies.
-#
 if [ "$append" = "n" ]
 then
     cat >> $makefile << END_OF_APPEND
@@ -225,11 +243,21 @@
 $magic_string
 
 END_OF_APPEND
+# ed -h > /dev/null 2>&1
+  which ed > /dev/null 2>&1
+  RETVAL=$?
+  if test x"$RETVAL" = x0 ; then
+    if [ $verbose = y ]; then echo ' using line editor "ed"' ; fi
     ed $silent $makefile << END_OF_ED_SCRIPT
 /^$magic_string/+1,\$d
 w
 q
 END_OF_ED_SCRIPT
+  else
+    if [ $verbose = y ]; then echo ' using sed command' ; fi
+    sed -n "1,/^$magic_string/p" $makefile > $HEAD_MKFILE
+    mv $HEAD_MKFILE $makefile
+  fi
     echo '' >>$makefile
 fi
 
@@ -239,7 +267,6 @@
     $TMPMAKEFILE)
 	cat $TMPMAKEFILE
 	;;
-
 esac
 
 rm -f ${TMP}*