1 files changed, 314 insertions, 0 deletions
diff --git a/mkdeps.sh b/mkdeps.sh
new file mode 100755
index 0000000..dd87c4f
--- /dev/null
+++ b/mkdeps.sh
@@ -0,0 +1,314 @@
+:
+# NAME:
+#	mkdeps - generate dependencies
+#
+# SYNOPSIS:
+#	mkdeps [options] file ...
+#
+# DESCRIPTION:
+#	This script updates "makefile" with dependencies for
+#	"file"(s).  It borrows ideas from various makedepend scripts
+#	and should be compatible with most.
+#
+#	By default we use grep to extract include file names from
+#	source files.  We source an "rc" file '$Mydir/.${Myname}rc' which
+#	can contain variable assignments such as:
+#.nf
+#   
+#	cpp_c=/usr/lib/cpp
+#	cpp_cc=g++ -E
+#	...
+#
+#.fi
+#	If the variable 'cpp_$suffix' is set, we use it as our cpp in
+#	place of grep.  The program referenced by these variables are
+#	expected to produce output like:
+#.nf
+#
+#	# 10 \"/usr/include/stdio.h\" 1
+#
+#.fi
+#	This allows us to skip most of our processing.  For lex,yacc
+#	and other source files, grep is probably just as quick and
+#	certainly more portable.
+#
+#	If the "rc" file does not exist, we create it and attempt to
+#	find cpp or an equivalent cc invocation to assign to 'cpp_c'.
+#		
+# AUTHOR:
+#	Simon J. Gerraty <sjg@zen.void.oz.au>
+#
+
+# RCSid:
+#	$Id: mkdeps.sh,v 1.23 2002/11/29 06:58:59 sjg Exp $
+#
+#	@(#) Copyright (c) 1993 Simon J. Gerraty
+#
+#	This file is provided in the hope that it will
+#	be of use.  There is absolutely NO WARRANTY.
+#	Permission to copy, redistribute or otherwise
+#	use this file is hereby granted provided that 
+#	the above copyright notice and this notice are
+#	left intact. 
+#      
+#	Please send copies of changes and bug-fixes to:
+#	sjg@zen.void.oz.au
+#
+
+Myname=`basename $0 .sh`
+Mydir=`dirname $0`
+
+case `echo -n .` in
+-n*)	N=; C="\c";;
+*)	N=-n; C=;;
+esac
+
+cc_include=-I/usr/include
+
+TF=/tmp/dep.$$
+EF=/tmp/deperr.$$
+> $EF
+
+case "$*" in
+*-n*)				# don't use rc file
+  rc=/dev/null
+  norc=yes;;
+*)
+  rc=$Mydir/.${Myname}rc
+  ;;
+esac
+
+update=
+Include=include
+
+if [ x"$norc" = x -a -f $rc ]; then
+  . $rc
+else
+  # if /usr/lib/cpp or equivalent is available it is better than
+  # grepping .c files.
+  # See what (if anything) works on this system...
+  echo : > $rc
+  echo "# pre-processor for .c files" >> $rc
+  # try a couple of sane places first
+  for d in /usr/libexec /usr/lib /usr/bin /lib /usr/ccs/bin
+  do
+    cpp_c=$d/cpp
+    [ -x $cpp_c ] && break
+  done
+  
+  if [ -x $cpp_c ]; then
+    echo cpp_c=$cpp_c >> $rc
+  else
+    cpp_c=
+    # rats see if cc can be used
+    echo "#include <stdio.h>" > /tmp/f$$.c
+    echo "main() { return 0; }" >> /tmp/f$$.c
+    # try some sensible args to cc
+    for arg in -E -P -M
+    do
+      ok=`${REALCC:-${CC:-cc}} $arg /tmp/f$$.c 2>/dev/null | grep '^#.*stdio.h' | tail -1`
+      case "$ok" in
+      "") ;;
+      *)
+        cpp_c="${REALCC:-${CC:-cc}} $arg"
+        echo cpp_c="'$cpp_c'" >> $rc
+        break;;
+      esac
+    done
+    rm -f /tmp/f$$.c
+  fi
+fi
+
+clean_up() {
+  trap "" 2 3
+  trap 0
+  if [ -s $EF ]; then
+          egrep -vi "included from|warning" $EF > ${EF}2
+          if [ -s ${EF}2 ]; then
+	          cat $EF >&2
+                  rm -f .depend
+                  ests=1
+	  fi
+  fi
+  rm -f $TF $EF*
+  exit ${ests:-0}
+}
+
+# this lot does not work on HPsUX - complain to Hp.
+trap clean_up 0
+trap exit 2 3
+
+get_incs() {
+  case "$cpp" in
+  grep)
+    # set IGNORE="<" to skip system includes
+    egrep '^#[ 	]*include' $* | egrep -v "$IGNORE" | \
+      sed -e 's/^.*include[^"<]*["<]//' -e 's/[">].*//g';;
+  *)
+    # $cpp (eg. /usr/lib/cpp or cc -E) should produce output like:
+    # 1 "/usr/include/stdio.h" 2
+    # set IGNORE=/usr/include to skip system includes
+    $cpp $cpp_opts $cc_include $* 2>> $EF | egrep '^#.*\.h"' | sed 's,^#.*"\(.*\)".*,\1,' |
+      egrep -v "$IGNORE" | sort -u;;
+  esac
+}
+
+gen_deps() {
+  llen=$1
+  shift
+
+  for ifile in $*
+  do
+    case "$cpp" in
+    grep)
+      # this lot is not needed if not using grep.
+      for dir in $srcdir $dirlist /usr/include
+      do
+        [ -f "$dir/$ifile" ] && break
+      done
+
+      if [ ! -f "$dir/$ifile" ]; then
+        # produce a useful error message (useful to emacs or error)
+        iline=`grep -n ".*include.*[\"<]$ifile[\">]" $file | cut -d: -f1`
+        echo "\"$file\", line $iline: cannot find include file \"$ifile\"" >> $EF
+        # no point adding to dependency list as the resulting makefile
+        # would not work anyway...
+        continue
+      fi
+      ifile=$dir/$ifile
+      
+      # check whether we have done it yet
+      case `grep "$ifile" $TF` in
+      "") echo "$ifile" >> $TF;;
+      *)	continue;;		# no repeats...
+      esac
+      ;;
+    esac
+    
+    len=`expr "$ifile " : '.*'`
+    if [ "`expr $llen + $len`" -gt ${width:-76} ]; then
+      echo "\\" >> .depend
+      echo $N "	$C" >> .depend
+      llen=8
+    fi
+    echo $N "$ifile $C" >> .depend
+    llen=`expr $llen + $len`
+    
+    case "$cpp" in
+    grep)
+      # this lot is not needed unless using grep.
+      ilist=`get_incs $ifile` # recurse needed?
+      [ "$ilist" ] && llen=`gen_deps $llen $ilist`
+      ;;
+    esac
+  done
+  echo $llen
+}
+
+for f in makefile Makefile
+do
+  test -s $f && { MAKEFILE=$f; break; }
+done
+
+MAKEFILE=${MAKEFILE:-makefile}
+IGNORE=${IGNORE:-"^-"}		# won't happen
+obj=o
+cpp_opts=			# incase cpp != grep
+vpath=
+append=
+progDep=
+
+set -- `getopt "AanNV:s:w:o:I:D:b:f:i:p" "$@"`
+for key in "$@"
+do
+  case $key in
+  --)	shift; break;;
+  -A)	Include=;;		# cat .depend >> $MAKEFILE
+  -a)	append=yes; shift;;
+  -n)	shift;;			# ignore rc
+  -N)	update=no; shift;;	# don't update $MAKEFILE
+  -I)	cpp_opts="$cpp_opts$1$2 "; dirlist="$dirlist $2"; shift 2;;
+  -o)	obj=$2; shift 2;;
+  -s)	shift 2;;		# can't handle it anyway...
+  -w)	width=$2; shift 2;;
+  -f)	MAKEFILE=$2; shift 2;;
+  -b)	BASEDIR=$2; shift 2;;
+  -i)	IGNORE="$2"; shift 2;;	# ignore headers matching this...
+  -D)	cpp_opts="$cpp_opts$1$2 "; shift 2;;
+  -V)	VPATH="$2"; shift 2;;	# where to look for files
+  -p)	progDep=yes; shift;;
+  esac
+done
+
+[ "$VPATH" ] && vpath=`IFS=:; set -- $VPATH; echo $*`
+
+[ "$append" ] || > .depend
+
+for file in $*
+do
+  cpp=
+  suffix=`expr $file : '.*\.\([^.]*\)'`
+
+  eval cpp=\"\${cpp_${suffix}:-grep}\"
+  
+  if [ ! -f $file -a "$vpath" ]; then
+    for d in . $vpath
+    do
+      [ -f $d/$file ] && { file=$d/$file; break; }
+    done
+  fi
+  srcdir=`dirname $file`
+  base=`basename $file .$suffix`
+  
+  ilist=`get_incs $file`
+
+  if [ "$ilist" ]; then
+    > $TF
+    if [ "$progDep" ]; then
+      echo "$base:	$file \\" >> .depend
+    else
+      echo "$base.$obj:	$file \\" >> .depend
+    fi
+    echo $N "	$C" >> .depend
+    llen=8
+    llen=`gen_deps $llen $ilist`
+    echo >> .depend
+    echo >> .depend
+  elif [ "$progDep" ]; then
+    echo "$base:	$file" >> .depend
+    echo >> .depend
+  fi
+done
+
+if [ -s .depend ]; then
+  # ./foo.h looks ugly
+  mv .depend $TF
+  { test "$BASEDIR" && sed -e "s;$BASEDIR;\$(BASEDIR);g" $TF || cat $TF; } |
+    sed 's;\([^.]\)\./;\1;g' > .depend 
+
+  #
+  # Save the manually updated section of the makefile
+  #
+  if [ x$update != xno ]; then
+    trap "" 2			# don't die if we got this far
+
+    # if make doesn't support include, then append our deps...
+    depended=`grep 'include.*\.depend' $MAKEFILE`
+    test "$depended" && clean_up
+  
+    sed '/^# DO NOT DELETE.*depend.*$/,$d' < $MAKEFILE > $TF
+    mv $TF $MAKEFILE
+    cat <<! >> $MAKEFILE
+# DO NOT DELETE THIS LINE -- make depend depends on it
+# Do not edit anything below, it was added automagically by $Myname.
+
+!
+  
+    case "$Include" in
+    "")	cat .depend >> $MAKEFILE;;
+    .include)	echo '.include ".depend"' >> $MAKEFILE;;
+    include)	echo include .depend >> $MAKEFILE;;
+    esac
+  fi
+fi
+clean_up