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- #! /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
- #
- # osdef.h.in has been split into osdef1.h.in and osdef2.h.in, because some
- # sed's could not handle the amount of commands (is 50 commands the limit?).
- #
- # 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 "auto/config.h"
- #include "os_unix.h" /* bring in most header files, more follow below */
- #include "os_unixx.h" /* bring in header files for os_unix.c */
-
- #ifdef HAVE_TERMCAP_H
- # include <termcap.h> /* only for term.c */
- #endif
-
- #ifdef HAVE_FCNTL_H
- # include <fcntl.h> /* only used in a few files */
- #endif
-
- #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.cc
-
- # insert a space in front of each line, so that a function name at the
- # start of the line is matched with "[)*, ]\1[ (]"
- sed < osdef0.cc -e '/\(..*\)/s// \1/' > osdef0.ccc
-
- sed < $srcdir/osdef1.h.in -n -e '/^extern/s@.*[)* ][)* ]*\([a-zA-Z_][a-zA-Z0-9_]*\) __ARGS.*@/[)*, ][(]*\1[)]*[ (]/i\\\
- \\/\\[^a-zA-Z_\\]\1 __ARGS\\/d@p' > osdef11.sed
-
- sed < $srcdir/osdef2.h.in -n -e '/^extern/s@.*[)* ][)* ]*\([a-zA-Z_][a-zA-Z0-9_]*\) __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 > auto/osdef.h
-
- cat osdef0.ccc | sed -n -f osdef21.sed > osdef2.sed
- sed -f osdef2.sed < $srcdir/osdef2.h.in >> auto/osdef.h
-
- rm osdef0.c osdef0.cc 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 $srcdir/osdef1.h.in $srcdir/osdef2.h.in >osdefX.h.in
- if eval test "`diff auto/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
-