1#! /bin/sh 2# 3# osdef.sh -- copy osdef.h.in to osdef.h while removing declarations 4# found in the system header files. Caution: weird sed magic going on here. 5# Warnings are printed if sed did not survive. 6# 7# (C) Michael Schroeder, Juergen Weigert 8# 9# osdef.h.in has been split into osdef1.h.in and osdef2.h.in, because some 10# sed's could not handle the amount of commands (is 50 commands the limit?). 11# 12# 31.10.95 jw. 13 14if test -z "$CC"; then 15 CC=cc 16fi 17if test -z "$srcdir"; then 18 srcdir=. 19fi 20 21rm -f core* *.core 22 23cat << EOF > osdef0.c 24#ifndef __APPLE__ 25# define select select_declared_wrong 26#endif 27#define tgetstr tgetstr_declared_wrong 28#include "auto/config.h" 29#include "os_unix.h" /* bring in most header files, more follow below */ 30#include "os_unixx.h" /* bring in header files for os_unix.c */ 31 32#ifdef HAVE_TERMCAP_H 33# include <termcap.h> /* only for term.c */ 34#endif 35 36#ifdef HAVE_FCNTL_H 37# include <fcntl.h> /* only used in a few files */ 38#endif 39 40#ifdef HAVE_SYS_STATFS_H 41# include <sys/types.h> 42# include <sys/statfs.h> /* only for memfile.c */ 43#endif 44 45#ifdef HAVE_X11 46# include <X11/Intrinsic.h> 47#endif 48EOF 49 50$CC -I. -I$srcdir -E osdef0.c >osdef0.cc 51 52# insert a space in front of each line, so that a function name at the 53# start of the line is matched with "[)*, ]\1[ (]" 54sed < osdef0.cc -e '/\(..*\)/s// \1/' > osdef0.ccc 55 56sed < $srcdir/osdef1.h.in -n -e '/^extern/s@.*[)* ][)* ]*\([a-zA-Z_][a-zA-Z0-9_]*\) __ARGS.*@/[)*, ][(]*\1[)]*[ (]/i\\\ 57\\/\\[^a-zA-Z_\\]\1 __ARGS\\/d@p' > osdef11.sed 58 59sed < $srcdir/osdef2.h.in -n -e '/^extern/s@.*[)* ][)* ]*\([a-zA-Z_][a-zA-Z0-9_]*\) __ARGS.*@/[)*, ][(]*\1[)]*[ (]/i\\\ 60\\/\\[^a-zA-Z_\\]\1 __ARGS\\/d@p' > osdef21.sed 61 62cat << EOF > osdef2.sed 631i\\ 64/* 651i\\ 66 * osdef.h is automagically created from osdef?.h.in by osdef.sh -- DO NOT EDIT 671i\\ 68 */ 69EOF 70 71cat osdef0.ccc | sed -n -f osdef11.sed >> osdef2.sed 72sed -f osdef2.sed < $srcdir/osdef1.h.in > auto/osdef.h 73 74cat osdef0.ccc | sed -n -f osdef21.sed > osdef2.sed 75sed -f osdef2.sed < $srcdir/osdef2.h.in >> auto/osdef.h 76 77rm osdef0.c osdef0.cc osdef0.ccc osdef11.sed osdef21.sed osdef2.sed 78 79if test -f core*; then 80 file core* 81 echo " Sorry, your sed is broken. Call the system administrator." 82 echo " Meanwhile, you may try to compile Vim with an empty osdef.h file." 83 echo " If you compiler complains about missing prototypes, move the needed" 84 echo " ones from osdef1.h.in and osdef2.h.in to osdef.h." 85 exit 1 86fi 87cat $srcdir/osdef1.h.in $srcdir/osdef2.h.in >osdefX.h.in 88if eval test "`diff auto/osdef.h osdefX.h.in | wc -l`" -eq 4; then 89 echo " Hmm, sed is very pessimistic about your system header files." 90 echo " But it did not dump core -- strange! Let's continue carefully..." 91 echo " If this fails, you may want to remove offending lines from osdef.h" 92 echo " or try with an empty osdef.h file, if your compiler can do without" 93 echo " function declarations." 94fi 95rm osdefX.h.in 96