226 lines
5.7 KiB
Bash
Executable File
226 lines
5.7 KiB
Bash
Executable File
#! /bin/sh
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# Install modified versions of certain problematic Irix include files.
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# If possible, create a wrapper (see fixinc.wrap) instead of copying files.
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#
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# Copyright (C) 1997, 1998 Free Software Foundation, Inc.
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# Contributed by Brendan Kehoe (brendan@cygnus.com).
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#
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# This file is part of GNU CC.
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#
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# GNU CC is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# GNU CC is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU CC; see the file COPYING. If not, write to
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# the Free Software Foundation, 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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#
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# See README-fixinc for more information.
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# Directory containing the original header files.
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INPUT=${2-${INPUT-/usr/include}}
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# Fail if no arg to specify a directory for the output.
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if [ x$1 = x ]
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then echo fixincludes: no output directory specified
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exit 1
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fi
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# Directory in which to store the results.
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LIB=${1?"fixincludes: output directory not specified"}
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# Make sure it exists.
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if [ ! -d $LIB ]; then
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mkdir $LIB || exit 1
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fi
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ORIG_DIR=`pwd`
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# Make LIB absolute if it is relative.
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# Don't do this if not necessary, since may screw up automounters.
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case $LIB in
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/*)
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;;
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*)
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LIB=$ORIG_DIR/$LIB
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;;
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esac
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echo 'Building fixincludes in ' ${LIB}
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#
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# Note: For Irix, we deliberately don't try to create the directory trees,
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# since we only modify math.h, limits.h and unistd.h. If we
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# ADD ANY OTHERS, the "Making directories:" and symlinks code from
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# fixinc.svr4 may have to go back in.
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# This math.h fix is copied from fixinc.wrap. We want to avoid copying
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# math.h because both math.h and stdlib.h have a declaration for initstate,
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# and this declaration changed between Irix 6.2 and Irix 6.3. If we copy this
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# file, then the same toolchain can't be shared between 6.2 and 6.3+.
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# Some math.h files define struct exception, which conflicts with
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# the class exception defined in the C++ file std/stdexcept.h. We
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# redefine it to __math_exception. This is not a great fix, but I
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# haven't been able to think of anything better.
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file=math.h
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if [ -r $INPUT/$file ]; then
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echo Checking $INPUT/$file
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if grep 'struct exception' $INPUT/$file >/dev/null
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then
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echo Fixed $file
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rm -f $LIB/$file
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cat <<'__EOF__' >$LIB/$file
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#ifndef _MATH_H_WRAPPER
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#ifdef __cplusplus
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# define exception __math_exception
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#endif
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#include_next <math.h>
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#ifdef __cplusplus
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# undef exception
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#endif
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#define _MATH_H_WRAPPER
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#endif /* _MATH_H_WRAPPER */
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__EOF__
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# Define _MATH_H_WRAPPER at the end of the wrapper, not the start,
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# so that if #include_next gets another instance of the wrapper,
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# this will follow the #include_next chain until we arrive at
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# the real <math.h>.
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chmod a+r $LIB/$file
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fi
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fi
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# Avoid the definition of the bool type in curses.h when using
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# g++, since it's now an official type in the C++ language.
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# This is also from fixinc.wrap.
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file=curses.h
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if [ -r $INPUT/$file ]; then
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echo Checking $INPUT/$file
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w='[ ]'
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if grep "typedef$w$w*char$w$w*bool$w*;" $INPUT/$file >/dev/null
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then
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echo Fixed $file
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rm -f $LIB/$file
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cat <<'__EOF__' >$LIB/$file
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#ifndef _CURSES_H_WRAPPER
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#ifdef __cplusplus
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# define bool __curses_bool_t
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#endif
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#include_next <curses.h>
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#ifdef __cplusplus
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# undef bool
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#endif
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#define _CURSES_H_WRAPPER
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#endif /* _CURSES_H_WRAPPER */
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__EOF__
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# Define _CURSES_H_WRAPPER at the end of the wrapper, not the start,
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# so that if #include_next gets another instance of the wrapper,
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# this will follow the #include_next chain until we arrive at
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# the real <curses.h>.
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chmod a+r $LIB/$file
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fi
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fi
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# In limits.h, put #ifndefs around things that are supposed to be defined
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# in float.h to avoid redefinition errors if float.h is included first.
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file=limits.h
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base=`basename $file`
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if [ -r ${LIB}/$file ]; then
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file_to_fix=${LIB}/$file
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else
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if [ -r ${INPUT}/$file ]; then
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file_to_fix=${INPUT}/$file
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else
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file_to_fix=""
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fi
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fi
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if [ \! -z "$file_to_fix" ]; then
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echo Checking $file_to_fix
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sed -e '/[ ]FLT_MIN[ ]/i\
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#ifndef FLT_MIN
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'\
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-e '/[ ]FLT_MIN[ ]/a\
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#endif
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'\
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-e '/[ ]FLT_MAX[ ]/i\
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#ifndef FLT_MAX
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'\
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-e '/[ ]FLT_MAX[ ]/a\
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#endif
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'\
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-e '/[ ]FLT_DIG[ ]/i\
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#ifndef FLT_DIG
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'\
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-e '/[ ]FLT_DIG[ ]/a\
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#endif
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'\
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-e '/[ ]DBL_MIN[ ]/i\
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#ifndef DBL_MIN
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'\
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-e '/[ ]DBL_MIN[ ]/a\
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#endif
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'\
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-e '/[ ]DBL_MAX[ ]/i\
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#ifndef DBL_MAX
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'\
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-e '/[ ]DBL_MAX[ ]/a\
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#endif
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'\
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-e '/[ ]DBL_DIG[ ]/i\
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#ifndef DBL_DIG
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'\
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-e '/[ ]DBL_DIG[ ]/a\
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#endif
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' $file_to_fix > /tmp/$base
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if cmp $file_to_fix /tmp/$base >/dev/null 2>&1; then \
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true
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else
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echo Fixed $file_to_fix
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rm -f ${LIB}/$file
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cp /tmp/$base ${LIB}/$file
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chmod a+r ${LIB}/$file
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fi
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rm -f /tmp/$base
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fi
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# The Irix unistd.h will introduce a call to __vfork in its libc, but the
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# function is never actually prototyped.
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file=unistd.h
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base=`basename $file`
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if [ -r ${LIB}/$file ]; then
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file_to_fix=${LIB}/$file
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else
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if [ -r ${INPUT}/$file ]; then
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file_to_fix=${INPUT}/$file
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else
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file_to_fix=""
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fi
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fi
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if [ \! -z "$file_to_fix" ]; then
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echo Checking $file_to_fix
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sed -e '/__vfork/i\
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extern pid_t __vfork(void);'\
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$file_to_fix > /tmp/$base
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if cmp $file_to_fix /tmp/$base >/dev/null 2>&1; then \
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true
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else
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echo Fixed $file_to_fix
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rm -f ${LIB}/$file
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cp /tmp/$base ${LIB}/$file
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chmod a+r ${LIB}/$file
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fi
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rm -f /tmp/$base
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fi
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exit 0
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