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Amiga Games Extra 1996 September
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vim-4.2
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src
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osdef.sh
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Linux/UNIX/POSIX Shell Script
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1996-05-29
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2KB
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84 lines
#! /bin/sh
#
# osdef.sh -- copy osdef.h.in to osdef.h while removing declarations
# found in the system header files. Caution: weird sed magic going on here.
# Warnings are printed if sed did not survive.
#
# (C) Michael Schroeder, Juergen Weigert
#
# split osdef.h.in into osdef1.h.in and osdef2.h.in, because some sed's could
# not handle the amount of commands.
#
# 31.10.95 jw.
if test -z "$CC"; then
CC=cc
fi
if test -z "$srcdir"; then
srcdir=.
fi
rm -f core* *.core
cat << EOF > osdef0.c
#define select select_declared_wrong
#define tgetstr tgetstr_declared_wrong
#include "config.h"
#include "unix.h" /* bring in most header files, more follow below */
#include "unixunix.h" /* bring in header files for unix.c */
#ifdef HAVE_TERMCAP_H
# include <termcap.h> /* only for term.c */
#endif
#include <fcntl.h> /* only used in a few files */
#ifdef HAVE_SYS_STATFS_H
# include <sys/types.h>
# include <sys/statfs.h> /* only for memfile.c */
#endif
EOF
$CC -I. -I$srcdir -E osdef0.c >osdef0.ccc
sed < $srcdir/osdef1.h.in -n -e '/^extern/s@.*[)* ][)* ]*\([^ *]*\) __ARGS.*@/[)*, ]\1[ (]/i\\\
\\/\\[^a-zA-Z_\\]\1 __ARGS\\/d@p' > osdef11.sed
sed < $srcdir/osdef2.h.in -n -e '/^extern/s@.*[)* ][)* ]*\([^ *]*\) __ARGS.*@/[)*, ]\1[ (]/i\\\
\\/\\[^a-zA-Z_\\]\1 __ARGS\\/d@p' > osdef21.sed
cat << EOF > osdef2.sed
1i\\
/*
1i\\
* osdef.h is automagically created from osdef?.h.in by osdef.sh -- DO NOT EDIT
1i\\
*/
EOF
cat osdef0.ccc | sed -n -f osdef11.sed >> osdef2.sed
sed -f osdef2.sed < $srcdir/osdef1.h.in > osdef.h
cat osdef0.ccc | sed -n -f osdef21.sed > osdef2.sed
sed -f osdef2.sed < $srcdir/osdef2.h.in >> osdef.h
rm osdef0.c osdef0.ccc osdef11.sed osdef21.sed osdef2.sed
if test -f core*; then
file core*
echo " Sorry, your sed is broken. Call the system administrator."
echo " Meanwhile, you may try to compile Vim with an empty osdef.h file."
echo " If you compiler complains about missing prototypes, move the needed"
echo " ones from osdef1.h.in and osdef2.h.in to osdef.h."
exit 1
fi
cat osdef1.h.in osdef2.h.in >osdefX.h.in
if eval test "`diff osdef.h osdefX.h.in | wc -l`" -eq 4; then
echo " Hmm, sed is very pessimistic about your system header files."
echo " But it did not dump core -- strange! Let's continue carefully..."
echo " If this fails, you may want to remove offending lines from osdef.h"
echo " or try with an empty osdef.h file, if your compiler can do without"
echo " function declarations."
fi
rm osdefX.h.in