| #! /bin/sh |
| # Install modified versions of certain problematic Irix include files. |
| # If possible, create a wrapper (see fixinc.wrap) instead of copying files. |
| # |
| # Copyright (C) 1997, 1998 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. |
| |
| # 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 $LIB || exit 1 |
| fi |
| |
| ORIG_DIR=`${PWDCMD-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} |
| # Directory containing the original header files. |
| shift |
| if [ $# -eq 0 ] ; then |
| set /usr/include |
| fi |
| |
| INLIST="$@" |
| |
| for INPUT in ${INLIST} ; do |
| cd ${ORIG_DIR} |
| cd ${INPUT} |
| |
| # |
| # Note: For Irix, we deliberately don't try to create the directory trees, |
| # since we only modify math.h, limits.h and unistd.h. If we |
| # ADD ANY OTHERS, the "Making directories:" and symlinks code from |
| # fixinc.svr4 may have to go back in. |
| |
| # This math.h fix is copied from fixinc.wrap. We want to avoid copying |
| # math.h because both math.h and stdlib.h have a declaration for initstate, |
| # and this declaration changed between Irix 6.2 and Irix 6.3. If we copy this |
| # file, then the same toolchain can't be shared between 6.2 and 6.3+. |
| |
| # Some math.h files define 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 |
| if [ -r $INPUT/$file ]; then |
| echo Checking $INPUT/$file |
| if grep 'struct exception' $INPUT/$file >/dev/null |
| then |
| echo Fixed $file |
| rm -f $LIB/$file |
| cat <<'__EOF__' >$LIB/$file |
| #ifndef _MATH_H_WRAPPER |
| #ifdef __cplusplus |
| # define exception __math_exception |
| #endif |
| #include_next <math.h> |
| #ifdef __cplusplus |
| # undef exception |
| #endif |
| #define _MATH_H_WRAPPER |
| #endif /* _MATH_H_WRAPPER */ |
| __EOF__ |
| # Define _MATH_H_WRAPPER at the end of the wrapper, not the start, |
| # so that if #include_next gets another instance of the wrapper, |
| # this will follow the #include_next chain until we arrive at |
| # the real <math.h>. |
| chmod a+r $LIB/$file |
| fi |
| fi |
| |
| # Avoid the definition of the bool type in curses.h when using |
| # g++, since it's now an official type in the C++ language. |
| |
| # This is also from fixinc.wrap. |
| |
| file=curses.h |
| if [ -r $INPUT/$file ]; then |
| echo Checking $INPUT/$file |
| w='[ ]' |
| if grep "typedef$w$w*char$w$w*bool$w*;" $INPUT/$file >/dev/null |
| then |
| echo Fixed $file |
| rm -f $LIB/$file |
| cat <<'__EOF__' >$LIB/$file |
| #ifndef _CURSES_H_WRAPPER |
| #ifdef __cplusplus |
| # define bool __curses_bool_t |
| #endif |
| #include_next <curses.h> |
| #ifdef __cplusplus |
| # undef bool |
| #endif |
| #define _CURSES_H_WRAPPER |
| #endif /* _CURSES_H_WRAPPER */ |
| __EOF__ |
| # Define _CURSES_H_WRAPPER at the end of the wrapper, not the start, |
| # so that if #include_next gets another instance of the wrapper, |
| # this will follow the #include_next chain until we arrive at |
| # the real <curses.h>. |
| chmod a+r $LIB/$file |
| fi |
| 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 |
| |
| # The Irix unistd.h will introduce a call to __vfork in its libc, but the |
| # function is never actually prototyped. |
| file=unistd.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 '/__vfork/i\ |
| extern pid_t __vfork(void);'\ |
| $file_to_fix > /tmp/$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/$base |
| fi |
| |
| done |
| |
| if [ x${INSTALL_ASSERT_H} != x ] |
| then |
| cd ${ORIG_DIR} |
| rm -f include/assert.h |
| cp ${srcdir}/assert.h include/assert.h || exit 1 |
| chmod a+r include/assert.h |
| fi |
| |
| exit 0 |