Initial revision

From-SVN: r5064

gcc/fixinc.dgux

+#!/bin/sh
+#
+# modified for dgux by hassey@dg-rtp.dg.com based on
+#
+#   fixinc.svr4  written by Ron Guilmette (rfg@ncd.com).
+#
+# This file is part of GNU CC.
+# 
+# GNU CC is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+# 
+# GNU CC is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with GNU CC; see the file COPYING.  If not, write to
+# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+#
+#	See README-fixinc for more information.
+
+# Directory where gcc sources (and sometimes special include files) live.
+SRCDIR=${3-${SRCDIR-.}}
+
+# Directory containing the original header files.
+INPUT=${2-${INPUT-/usr/include}}
+
+# Fail if no arg to specify a directory for the output.
+if [ x$1 = x ]
+then echo fixincludes: no output directory specified
+exit 1
+fi
+
+# Directory in which to store the results.
+LIB=${1?"fixincludes: output directory not specified"}
+
+# Make sure it exists.
+if [ ! -d $LIB ]; then
+  mkdir $LIB || exit 1
+fi
+
+ORIG_DIR=`pwd`
+
+# Make LIB absolute if it is relative.
+# Don't do this if not necessary, since may screw up automounters.
+case $LIB in
+/*)
+	;;
+*)
+	cd $LIB; LIB=`${PWDCMD-pwd}`
+	;;
+esac
+
+echo 'Building fixincludes in ' ${LIB}
+
+# Determine whether this filesystem has symbolic links.
+if ln -s X $LIB/ShouldNotExist 2>/dev/null; then
+  rm -f $LIB/ShouldNotExist
+  LINKS=true
+else
+  LINKS=false
+fi
+
+echo 'Making directories:'
+cd ${INPUT}
+if $LINKS; then
+  files=`ls -LR | sed -n s/:$//p`
+else
+  files=`find . -type d -print | sed '/^.$/d'`
+fi
+for file in $files; do
+  rm -rf $LIB/$file
+  if [ ! -d $LIB/$file ]
+  then mkdir $LIB/$file
+  fi
+done
+
+# treetops gets an alternating list
+# of old directories to copy
+# and the new directories to copy to.
+treetops="${INPUT} ${LIB}"
+
+if $LINKS; then
+  echo 'Making internal symbolic directory links'
+  for file in $files; do
+    dest=`ls -ld $file | sed -n 's/.*-> //p'`
+    if [ "$dest" ]; then    
+      cwd=`pwd`
+      # In case $dest is relative, get to $file's dir first.
+      cd ${INPUT}
+      cd `echo ./$file | sed -n 's&[^/]*$&&p'`
+      # Check that the target directory exists.
+      # Redirections changed to avoid bug in sh on Ultrix.
+      (cd $dest) > /dev/null 2>&1
+      if [ $? = 0 ]; then
+	cd $dest
+	# X gets the dir that the link actually leads to.
+	x=`pwd`
+	# If link leads back into ${INPUT},
+	# make a similar link here.
+	if expr $x : "${INPUT}/.*" > /dev/null; then
+	  # Y gets the actual target dir name, relative to ${INPUT}.
+	  y=`echo $x | sed -n "s&${INPUT}/&&p"`
+	  # DOTS is the relative path from ${LIB}/$file's dir back to ${LIB}.
+	  dots=`echo "$file" |
+		sed -e 's@^./@@' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
+	  echo $file '->' $dots$y ': Making link'
+	  rm -fr ${LIB}/$file > /dev/null 2>&1
+	  ln -s $dots$y ${LIB}/$file > /dev/null 2>&1
+	else
+	  # If the link is to outside ${INPUT},
+	  # treat this directory as if it actually contained the files.
+# This line used to have $dest instead of $x.
+# $dest seemed to be wrong for links found in subdirectories
+# of ${INPUT}.  Does this change break anything?
+	  treetops="$treetops $x ${LIB}/$file"
+	fi
+      fi
+      cd $cwd
+    fi
+  done
+fi
+
+# Completely replace <_int_varargs.h> with a file that defines
+# va_list and gnuc_va_list
+
+file=_int_varargs.h
+if [ -r ${INPUT}/$file ]; then
+  echo Replacing $file
+  cat > ${LIB}/$file << EOF
+/* This file was generated by fixinc.dgux.  */
+
+/* Define __gnuc_va_list, just as in gstdarg.h.  */
+
+#ifndef __GNUC_VA_LIST
+#define __GNUC_VA_LIST
+#if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX)
+typedef char *__gnuc_va_list;
+#else
+typedef void *__gnuc_va_list;
+#endif
+#endif
+
+typedef __gnuc_va_list va_list;
+
+EOF
+  chmod a+r ${LIB}/$file
+fi
+
+echo 'Removing unneeded directories:'
+cd $LIB
+files=`find . -type d -print | sort -r`
+for file in $files; do
+  rmdir $LIB/$file > /dev/null 2>&1
+done
+
+if $LINKS; then
+  echo 'Making internal symbolic non-directory links'
+  cd ${INPUT}
+  files=`find . -type l -print`
+  for file in $files; do
+    dest=`ls -ld $file | sed -n 's/.*-> //p'`
+    if expr "$dest" : '[^/].*' > /dev/null; then    
+      target=${LIB}/`echo file | sed "s|[^/]*\$|$dest|"`
+      if [ -f $target ]; then
+        ln -s $dest ${LIB}/$file >/dev/null 2>&1
+      fi
+    fi
+  done
+fi
+
+cd ${ORIG_DIR}
+
+exit 0
+