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Text File | 1993-06-27 | 16.6 KB | 682 lines

#!/bin/sh # # (c) Copyright 1992, 1993 by Panagiotis Tsirigotis # # # $Id: compile-src,v 6.8 1993/06/17 16:56:30 panos Exp $ # script_name=`basename $0` if test "$script_name" != "$0" -a "./$script_name" != "$0" ; then echo This script must be executed from the top level directory exit 1 fi # # The order with which the libraries are listed is important. # It is also a problem; to understand why consider this: # Library A depends (uses some functions from) library B # Then, B must be compiled and installed before A so that # A can find B's include files at the standard place. # But when linking the program with A and B, if B precedes A # then none of B's code will be included since nobody has yet # tried to use it (since has not been encountered yet). # # Our solution is to list the libraries in the order they are compiled # and while compiling them also generate the reverse list which is the # order they have to be linked. # mandatory_libs="sio misc pset xlog str" optional_libs="pq timer" catch_sigs="2 15" inc=/usr/include # # The value of ccopt is used for setting the DEBUG makefile variable. # Therefore, it can be used to either enable debugging support (i.e. -g), # profiling support (i.e. -pg), or optimization support (i.e. -O) # The default is optimization. # ccopt=-O while test $# -gt 0 do option=$1 ; shift case $option in -libc) if test $# -eq 0 ; then echo "Argument missing. Exiting..." exit 1 fi libc=$1 shift if test ! -r $libc ; then echo "File is not readable: $libc" exit 1 fi ;; -signals) if test $# -eq 0 ; then echo "Argument missing. Exiting..." exit 1 fi signal_handling=$1 shift ;; -ccopt) if test $# -eq 0 ; then echo "Argument missing. Exiting..." exit 1 fi ccopt=$1 shift ;; -os) if test $# -eq 0 ; then echo "Argument missing. Exiting..." exit 1 fi osversion=$1 ; shift ;; -auto) autoconfig=yes ;; -sf|-cf) if test $# -eq 0 ; then echo "Missing argument to $option. Exiting..." exit 1 fi if test "$option" = "-sf" ; then v=yes else v=no fi specified_flags=yes flag=$1 shift # # The first 2 lines are for xinetd. # The 3rd line has to do with the man pages (xinetd and libraries) # The rest of the lines are for the libraries # case "$flag" in old_wait|no_rpc|no_termios|no_posix_types) eval $flag=$v ;; no_siglist) eval $flag=$v ;; has_SB) eval $flag=$v ;; old_dir|no_ftw|no_timers|no_syslog) eval $flag=$v ;; has_mmap|has_memops|has_bcopy) eval $flag=$v ;; has_isatty|has_bsdtty|has_sysvtty) eval $flag=$v ;; has_onexit|has_atexit) eval $flag=$v ;; *) echo "Bad flag name: $flag. Exiting..." ; exit 1 esac ;; -custom) custom=yes ;; -verbose) verbose=yes ;; # # THIS IS THE SCRIPT DOCUMENTATION # -help) echo "Usage: $script_name [options]" echo "Options:" echo " -libc pathname : specifies the location of the C library" echo " -signals type : type of signal handling" echo " -os osname : specifies the OS name and version" echo " -auto : automatic configuration" echo " -verbose : display info about configuration" echo " -custom : there is a custom xinetd configuration file" echo " -ccopt option : option should be either -g for debugging" echo " or -O for optimization" echo "Possible arguments to -signals:" echo " posix, bsd, simple" echo "Possible arguments to -os:" echo " sunos4, ultrix4" echo "The -sf and -cf options set or clear flags that specify" echo "what facilities are available from the operating system" echo "Only one flag can be specified per -sf/-cf but these options" echo "can be used multiple times." echo "Available flags:" echo " no_timers : BSD-type timers are not available" echo " no_rpc : system does not support RPC" echo " no_termios : termios(3) is not available" echo " no_siglist : sys_siglist(3) is not available" echo " no_ftw : ftw(3) is not available" echo " no_syslog : syslog(3) is not available" echo " no_posix_types : POSIX types are not available" echo " has_isatty : isatty(3) is available" echo " has_bsdtty : system has BSD-type tty interface" echo " has_sysvtty : system has SysV-type tty interface" echo " has_mmap : mmap(2) is available" echo " has_memops : memops(3) functions are available" echo " has_bcopy : bcopy(3) is available" echo " has_onexit : onexit(3) is available" echo " has_atexit : atexit(3) is available" echo " old_wait : wait(2) expects a 'union wait' argument" echo " old_dir : old directory(3) package" echo " has_SB : system supports .SB in man pages" echo echo "You can use the -os option to specify an operating system" echo "and then you can use -sf/-cf for further mods." exit 2 ;; *) echo "Bad argument: $1. Exiting..." ; exit 1 esac done if test "$autoconfig" -a "$osversion" ; then echo "Only one of -auto, -os can be specified" exit 1 fi if test ! "$osversion" -a ! "$autoconfig" ; then echo "I need to know the operating system you are using and the version." echo "I know about" echo " SunOS 4.x (sunos4)" echo " Ultrix 4.x (ultrix4)" echo "If your OS is among these, use the name in the parentheses, otherwise" echo "just hit <return> and I will try to figure out how to properly" echo -n "configure xinetd for your system --> " read osversion fi # # This if statement checks if we have a known osversion. # If we don't, we set the autoconfig flag. # if test "$osversion" ; then case $osversion in sunos4|ultrix4) autoconfig= signal_handling=bsd ;; *) echo "I don't know anything about this OS. Exiting..." ; exit 1 esac else autoconfig=yes fi # # Get namelist of C library # if test "$autoconfig" ; then echo "Obtaining name list of C library" if test ! "$libc" ; then if test -r /lib/libc.a ; then libc=/lib/libc.a else if test -r /usr/lib/libc.a ; then libc=/usr/lib/libc.a else echo -n "Please give me the pathname of the C library -> " read libc if test ! "$libc" -o ! -r "$libc" ; then echo "Bad pathname. Exiting..." exit 1 fi fi fi fi nmfile=/tmp/libc.nm.$$ nm $libc > $nmfile 2>/dev/null if test $? -ne 0 ; then if test ! -s $nmfile ; then echo "Couldn't get the namelist of C library. Exiting..." rm -f $nmfile exit 1 else # name list file is not empty echo "WARNING: The 'nm' command returned a non-zero exit status" echo "WARNING: so the namelist obtained from the C library may be incomplete" echo "Continuing with auto-configuration" fi fi fi if test "$specified_flags" -o "$autoconfig" ; then lib_defs= xinetd_defs= # # Determine supported signal handing # if test "$autoconfig" -a ! "$signal_handling" ; then if test "$verbose" ; then echo "Looking for sigaction" ; fi found=`grep sigaction $nmfile | grep T` if test "$found" ; then signal_handling=posix else if test "$verbose" ; then echo "Looking for sigvec" ; fi found=`grep sigvec $nmfile | grep T` if test "$found" ; then signal_handling=bsd else signal_handling=simple fi fi fi case "$signal_handling" in posix) v= ;; bsd) v="-DNO_POSIX_SIGS" ;; simple) v="-DNO_POSIX_SIGS -DNO_SIGVEC" ;; esac xinetd_defs="$xinetd_defs $v" # # Check for setitimer(2) # case "$no_timers" in yes) v=-DNO_TIMERS ;; no) v= ;; *) if test "$autoconfig" ; then if test "$verbose" ; then echo "Looking for setitimer" ; fi found=`grep setitimer $nmfile | grep T` if test ! "$found" ; then v=-DNO_TIMERS ; else v= ; fi else v= fi esac xinetd_defs="$xinetd_defs $v" # # Check for sys_siglist # case "$no_siglist" in yes) v=-DNO_SIGLIST ;; no) v= ;; *) if test "$autoconfig" ; then if test "$verbose" ; then echo "Looking for sys_siglist" ; fi found=`grep sys_siglist $nmfile | grep D` if test ! "$found" ; then v=-DNO_SIGLIST ; else v= ; fi else v= fi esac xinetd_defs="$xinetd_defs $v" # # Check for RPC # case "$no_rpc" in yes) v=-DNO_RPC ;; no) v= ;; *) if test "$autoconfig" ; then if test "$verbose" ; then echo "Looking for RPC" ; fi found=`grep rpcent $inc/netdb.h` if test ! "$found" ; then v=-DNO_RPC ; else v= ; fi else v= fi esac xinetd_defs="$xinetd_defs $v" # # Check if this system supports the old wait # case "$old_wait" in yes) v=-DOLD_WAIT ;; no) v= ;; *) if test "$autoconfig" ; then if test "$verbose" ; then echo "Looking for WEXITSTATUS" ; fi found=`grep WEXITSTATUS $inc/sys/wait.h` if test ! "$found" ; then v=-DOLD_WAIT ; else v= ; fi else v= fi esac xinetd_defs="$xinetd_defs $v" # # Check for pid_t # case "$no_posix_types" in yes) v=-DNO_POSIX_TYPES ;; no) v= ;; *) if test "$autoconfig" ; then if test "$verbose" ; then echo "Looking for pid_t" ; fi found=`cd $inc/sys ; grep pid_t *.h | grep typedef` if test ! "$found" ; then v=-DNO_POSIX_TYPES ; else v= ; fi else v= fi esac xinetd_defs="$xinetd_defs $v" # # Check for termios # case "$no_termios" in yes) v=-DNO_TERMIOS ;; no) v= ;; *) if test "$autoconfig" ; then if test -r $inc/sys/termios.h -o -r $inc/termios.h ; then v= else v=-DNO_TERMIOS fi else v= fi esac xinetd_defs="$xinetd_defs $v" # # Check for new directory types # case "$old_dir" in yes) v=-DOLD_DIR ;; no) v= ;; *) if test "$autoconfig" ; then if test -r $inc/dirent.h ; then v= else v=-DOLD_DIR fi else v= fi esac lib_defs="$lib_defs $v" # # Check for ftw(3) # case "$no_ftw" in yes) v=-D__FTWX_NO_FTW ;; no) v= ;; *) if test "$autoconfig" ; then if test -r $inc/ftw.h ; then v= else v=-D__FTWX_NO_FTW fi else v= fi esac lib_defs="$lib_defs $v" # # Check for syslog(3) # case "$no_syslog" in yes) v=-DNO_SYSLOG ;; no) v= ;; *) if test "$autoconfig" ; then if test "$verbose" ; then echo "Looking for syslog" ; fi found=`grep syslog $nmfile | grep T` if test ! "$found" ; then v=-DNO_SYSLOG ; else v= ; fi else v= fi esac lib_defs="$lib_defs $v" # # Check for mmap. Since it is not required, we do not try to find # if the system supports it. # case "$has_mmap" in yes) v=-DHAS_MMAP ;; *) v= ;; esac lib_defs="$lib_defs $v" case "$has_onexit" in yes) v=-DHAS_ONEXIT ;; no) v= ;; *) if test "$autoconfig" ; then if test "$verbose" ; then echo "Looking for on_exit" ; fi found=`grep on_exit $nmfile | grep T` if test "$found" ; then v=-DHAS_ONEXIT ; else v= ; fi else v= fi esac lib_defs="$lib_defs $v" case "$has_atexit" in yes) v=-DHAS_ATEXIT ;; no) v= ;; *) if test "$autoconfig" ; then if test "$verbose" ; then echo "Looking for atexit" ; fi found=`grep atexit $nmfile | grep T` if test "$found" ; then v=-DHAS_ATEXIT ; else v= ; fi else v= fi esac lib_defs="$lib_defs $v" case "$has_memops" in yes) v=-DHAS_MEMOPS ;; no) v= ;; *) if test "$autoconfig" ; then if test "$verbose" ; then echo "Looking for memcpy" ; fi found=`grep memcpy $nmfile | grep T` if test "$found" ; then v=-DHAS_MEMOPS ; else v= ; fi else v= fi esac lib_defs="$lib_defs $v" case "$has_bcopy" in yes) v=-DHAS_BCOPY ;; no) v= ;; *) if test "$autoconfig" ; then if test "$verbose" ; then echo "Looking for bcopy" ; fi found=`grep bcopy $nmfile | grep T` if test "$found" ; then v=-DHAS_BCOPY ; else v= ; fi else v= fi esac lib_defs="$lib_defs $v" case "$has_isatty" in yes) v=-DHAS_ISATTY ;; no) v= ;; *) if test "$autoconfig" ; then if test "$verbose" ; then echo "Looking for isatty" ; fi found=`grep bcopy $nmfile | grep T` if test "$found" ; then v=-DHAS_ISATTY ; else v= ; fi else v= fi esac # # Since SIO cannot compile without the isatty function, if isatty is not # in the C library, we have to provide our own. For this, we need to know # if the system supports BSD or SysV tty handling. # if test ! "$osversion" -a ! "$v" ; then while test ! "$v" do echo "Is your OS based on System V or on BSD 4.x ? I am really" echo -n "interested in terminal handling. You can say sysv or bsd -->" read ans case $ans in sysv) v=-DHAS_SYSVTTY ;; bsd) v=-DHAS_BSDTTY ;; *) echo "Please say either 'sysv' or 'bsd'" esac done fi lib_defs="$lib_defs $v" fi if test "$autoconfig" ; then rm -f $nmfile fi # # If we know the OS, we can provide the appropriate flags for SIO # case "$osversion" in sunos4) sio_defs="-DHAS_MMAP -DHAS_ONEXIT -DHAS_MEMOPS -DHAS_ISATTY" ;; ultrix4) sio_defs="-DHAS_MEMOPS -DHAS_ATEXIT -DHAS_ISATTY" ;; *) sio_defs="$lib_defs" esac case "$no_timers" in yes) lib_names="$mandatory_libs" ;; *) case "$signal_handling" in posix) lib_names="$mandatory_libs $optional_libs" ;; bsd) lib_names="$mandatory_libs $optional_libs" lib_defs="$lib_defs -DNO_POSIX_SIGS" ;; *) lib_names="$mandatory_libs" esac esac PWD=`pwd` incdir=$PWD/libs/include mandir=$PWD/libs/man libdir=$PWD/libs/lib # # Only Suns undestand .SB in man pages, so if we are not dealing with # a Sun we replace .SB with .B # if test "$osversion" = "sunos4" ; then modify_manpages= else case "$has_SB" in yes) modify_manpages= ;; no) modify_manpages=yes ;; *) echo -n "Can your machine handle .SB in a man page ? (if you are not sure, say no) -->" read x if test "$x" = "n" -o "$x" = "no" ; then modify_manpages=yes else modify_manpages= fi esac fi if test "$modify_manpages" ; then # # We can't take any interrupts while processing the manpages # trap 'interrupt_occured=yes' $catch_sigs echo "Replacing .SB in library man pages with .B (if a man page is changed" echo "the original will be kept by appending .orig to its name)" for i in $lib_names do cd $PWD/libs/src/$i for i in *.3 do mv $i $i.orig # save the original sed 's/[.]SB/.B/' $i.orig > $i # do the replacement cmp -s $i $i.orig # are they the same ? if test $? -eq 0 ; then rm $i.orig ; fi # if yes, remove the copy done if test "$interrupt_occured" = "yes" ; then echo "Interrupt: quiting" exit 1 fi done trap $catch_sigs # no more trapping fi # # Make the libraries # Also prepare the value of the LIBS variable in the xinetd Makefile # mvars="DEBUG=$ccopt MANDIR=$mandir INCLUDEDIR=$incdir LIBDIR=$libdir" for i in $lib_names do libs="-l$i $libs" cd $PWD/libs/src/$i echo Making library: $i # # Remove the archive if it is already there; this is to avoid ld complaints # that the table of contents is out of date. # rm -f lib$i.a if test "$i" = "sio" ; then make $mvars DEFS="$sio_defs" install else make $mvars DEFS="$lib_defs" install fi if test $? -ne 0 ; then echo "Failed to create library: $i" exit 2 fi done # # Now make xinetd # We remove the xinetd executable, if there is one, in case the libraries # have changed # cd $PWD/xinetd rm -f xinetd mvars="DEBUG=$ccopt INCLUDEDIR=-I$incdir LDFLAGS=-L$libdir" if test "$custom" ; then xinetd_defs="$xinetd_defs -DCUSTOMCONF" ; fi make "DEFS=$xinetd_defs" "LIBS=$libs" $mvars if test $? -ne 0 ; then echo Failed to create xinetd exit 2 fi if test "$modify_manpages" ; then trap 'interrupt_occured=yes' $catch_sigs echo "Replacing .SB in xinetd man pages with .B" for i in *.man do mv $i $i.orig sed 's/[.]SB/.B/' $i.orig > $i cmp -s $i $i.orig # are they the same ? if test $? -eq 0 ; then rm $i.orig ; fi # if yes, remove the copy if test "$interrupt_occured" = "yes" ; then echo "Interrupt: quiting" exit 1 fi done trap $catch_sigs # no more trapping fi