Initial revision

From-SVN: r13632

gcc/fixinc.irix

+#! /bin/sh
+# Install modified versions of certain problematic Irix include files.
+# Copyright (C) 1997 Free Software Foundation, Inc.
+# Contributed by Brendan Kehoe (brendan@cygnus.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, 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+#
+#	See README-fixinc for more information.
+
+# 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 $LIB in
+/*)
+	;;
+*)
+ 	LIB=$ORIG_DIR/$LIB
+	;;
+esac
+
+echo 'Building fixincludes in ' ${LIB}
+
+#
+# Note: For Irix, we deliberately don't try to create the directory trees,
+#       since we only modify math.h and limits.h.  If we ADD ANY OTHERS,
+#       the "Making directories:" and symlinks code from fixinc.svr4 may
+#       have to go back in.
+
+# The Irix math.h defines struct exception, which conflicts with
+# the class exception defined in the C++ file std/stdexcept.h.  We
+# redefine it to __math_exception.  This is not a great fix, but I
+# haven't been able to think of anything better.
+file=math.h
+base=`basename $file`
+if [ -r ${LIB}/$file ]; then
+  file_to_fix=${LIB}/$file
+else
+  if [ -r ${INPUT}/$file ]; then
+    file_to_fix=${INPUT}/$file
+  else
+    file_to_fix=""
+  fi
+fi
+if [ \! -z "$file_to_fix" ]; then
+  echo Checking $file_to_fix
+  sed -e '/struct exception/i\
+#ifdef __cplusplus\
+#define exception __math_exception\
+#endif'\
+      -e '/struct exception/a\
+#ifdef __cplusplus\
+#undef exception\
+#endif' $file_to_fix > /tmp/$base
+  if cmp $file_to_fix /tmp/$base >/dev/null 2>&1; then \
+    true
+  else
+    echo Fixed $file_to_fix
+    rm -f ${LIB}/$file
+    cp /tmp/$base ${LIB}/$file
+    chmod a+r ${LIB}/$file
+  fi
+  rm -f /tmp/$base
+fi
+
+# In limits.h, put #ifndefs around things that are supposed to be defined
+# in float.h to avoid redefinition errors if float.h is included first.
+
+file=limits.h
+base=`basename $file`
+if [ -r ${LIB}/$file ]; then
+  file_to_fix=${LIB}/$file
+else
+  if [ -r ${INPUT}/$file ]; then
+    file_to_fix=${INPUT}/$file
+  else
+    file_to_fix=""
+  fi
+fi
+if [ \! -z "$file_to_fix" ]; then
+  echo Checking $file_to_fix
+  sed -e '/[ 	]FLT_MIN[ 	]/i\
+#ifndef FLT_MIN
+'\
+      -e '/[ 	]FLT_MIN[ 	]/a\
+#endif
+'\
+      -e '/[ 	]FLT_MAX[ 	]/i\
+#ifndef FLT_MAX
+'\
+      -e '/[ 	]FLT_MAX[ 	]/a\
+#endif
+'\
+      -e '/[ 	]FLT_DIG[ 	]/i\
+#ifndef FLT_DIG
+'\
+      -e '/[ 	]FLT_DIG[ 	]/a\
+#endif
+'\
+      -e '/[ 	]DBL_MIN[ 	]/i\
+#ifndef DBL_MIN
+'\
+      -e '/[ 	]DBL_MIN[ 	]/a\
+#endif
+'\
+      -e '/[ 	]DBL_MAX[ 	]/i\
+#ifndef DBL_MAX
+'\
+      -e '/[ 	]DBL_MAX[ 	]/a\
+#endif
+'\
+      -e '/[ 	]DBL_DIG[ 	]/i\
+#ifndef DBL_DIG
+'\
+      -e '/[ 	]DBL_DIG[ 	]/a\
+#endif
+' $file_to_fix > /tmp/$base
+  if cmp $file_to_fix /tmp/$base >/dev/null 2>&1; then \
+    true
+  else
+    echo Fixed $file_to_fix
+    rm -f ${LIB}/$file
+    cp /tmp/$base ${LIB}/$file
+    chmod a+r ${LIB}/$file
+  fi
+  rm -f /tmp/$base
+fi
+
+exit 0