diff options
Diffstat (limited to 'packages/screen/screen-4.0.3/configure.patch')
| -rw-r--r-- | packages/screen/screen-4.0.3/configure.patch | 970 |
1 files changed, 970 insertions, 0 deletions
diff --git a/packages/screen/screen-4.0.3/configure.patch b/packages/screen/screen-4.0.3/configure.patch new file mode 100644 index 0000000000..2770a7a481 --- /dev/null +++ b/packages/screen/screen-4.0.3/configure.patch @@ -0,0 +1,970 @@ + +# +# Patch by Hannes Reich (hannes@skynet.ie) 22-Jul-2005 +# Resolves _some_ of the cross-compilation issues in screen's configure.in +# + +--- screen-4.0.1/configure.in~configure ++++ screen-4.0.1/configure.in +@@ -37,6 +37,323 @@ + VERSION="$rev.$vers.$pat" + AC_NOTE(this is screen version $VERSION) + AC_SUBST(VERSION) ++ ++AH_TOP([ ++/* Copyright (c) 1993-2000 ++ * Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de) ++ * Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de) ++ * Copyright (c) 1987 Oliver Laumann ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2, or (at your option) ++ * any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program (see the file COPYING); if not, write to the ++ * Free Software Foundation, Inc., ++ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA ++ * ++ */ ++ ++ ++/********************************************************************** ++ * ++ * User Configuration Section ++ */ ++ ++/* ++ * Maximum of simultaneously allowed windows per screen session. ++ */ ++#ifndef MAXWIN ++# define MAXWIN 40 ++#endif ++ ++/* ++ * Define SOCKDIR to be the directory to contain the named sockets ++ * screen creates. This should be in a common subdirectory, such as ++ * /usr/local or /tmp. It makes things a little more secure if you ++ * choose a directory which is not writable by everyone or where the ++ * "sticky" bit is on, but this isn't required. ++ * If SOCKDIR is not defined screen will put the named sockets in ++ * the user's home directory. Notice that this can cause you problems ++ * if some user's HOME directories are AFS- or NFS-mounted. Especially ++ * AFS is unlikely to support named sockets. ++ * ++ * Screen will name the subdirectories "S-$USER" (e.g /tmp/S-davison). ++ */ ++#undef SOCKDIR ++ ++/* ++ * Define this if the SOCKDIR is not shared between hosts. ++ */ ++#define SOCKDIR_IS_LOCAL_TO_HOST ++ ++/* ++ * Screen sources two startup files. First a global file with a path ++ * specified here, second your local $HOME/.screenrc ++ * Don't define this, if you don't want it. ++ */ ++#ifndef ETCSCREENRC ++# define ETCSCREENRC "/usr/local/etc/screenrc" ++#endif ++ ++/* ++ * Screen can look for the environment variable $SYSSCREENRC and -if it ++ * exists- load the file specified in that variable as global screenrc. ++ * If you want to enable this feature, define ALLOW_SYSSCREENRC to one (1). ++ * Otherwise ETCSCREENRC is always loaded. ++ */ ++#define ALLOW_SYSSCREENRC 1 ++ ++/* ++ * Screen needs encoding files for the translation of utf8 ++ * into some encodings, e.g. JIS, BIG5. ++ * Only needed if FONT, ENCODINGS and UTF8 are defined. ++ */ ++#ifndef SCREENENCODINGS ++# define SCREENENCODINGS "/usr/local/lib/screen/encodings" ++#endif ++/* ++ * Define CHECKLOGIN to force Screen users to enter their Unix password ++ * in addition to the screen password. ++ * ++ * Define NOSYSLOG if yo do not have logging facilities. Currently ++ * syslog() will be used to trace ``su'' commands only. ++ */ ++#define CHECKLOGIN 1 ++#undef NOSYSLOG ++ ++ ++/* ++ * define PTYMODE if you do not like the default of 0622, which allows ++ * public write to your pty. ++ * define PTYGROUP to some numerical group-id if you do not want the ++ * tty to be in "your" group. ++ * Note, screen is unable to change mode or group of the pty if it ++ * is not installed with sufficient privilege. (e.g. set-uid-root) ++ * define PTYROFS if the /dev/pty devices are mounted on a read-only ++ * filesystem so screen should not even attempt to set mode or group ++ * even if running as root (e.g. on TiVo). ++ */ ++#undef PTYMODE ++#undef PTYGROUP ++#undef PTYROFS ++ ++/* ++ * If screen is NOT installed set-uid root, screen can provide tty ++ * security by exclusively locking the ptys. While this keeps other ++ * users from opening your ptys, it also keeps your own subprocesses ++ * from being able to open /dev/tty. Define LOCKPTY to add this ++ * exclusive locking. ++ */ ++#undef LOCKPTY ++ ++/* ++ * If you'd rather see the status line on the first line of your ++ * terminal rather than the last, define TOPSTAT. ++ */ ++#undef TOPSTAT ++ ++/* ++ * define DETACH can detach a session. An absolute 'must'. ++ */ ++#define DETACH ++ ++/* ++ * here come the erlangen extensions to screen: ++ * define LOCK if you want to use a lock program for a screenlock. ++ * define PASSWORD for secure reattach of your screen. ++ * define COPY_PASTE to use the famous hacker's treasure zoo. ++ * define POW_DETACH to have a detach_and_logout key (requires DETACH). ++ * define REMOTE_DETACH (-d option) to move screen between terminals. ++ * define AUTO_NUKE to enable Tim MacKenzies clear screen nuking ++ * define PSEUDOS to allow window input/output filtering ++ * define MULTI to allow multiple attaches. ++ * define MULTIUSER to allow other users attach to your session ++ * (if they are in the acl, of course) ++ * define MAPKEYS to include input keyboard translation. ++ * define FONT to support ISO2022/alternet charset support ++ * define COLOR to include ansi color support. This may expose ++ * a bug in x11r6-color-xterm. ++ * define DW_CHARS to include support for double-width character ++ * sets. ++ * define ENCODINGS to include support for encodings like euc or big5. ++ * Needs FONT to work. ++ * define UTF8 if you want support for UTF-8 encoding. ++ * Needs FONT and ENCODINGS to work. ++ * define COLORS16 if you want 16 colors. ++ * Needs COLOR to work. ++ * define BUILTIN_TELNET to add telnet support to screen. ++ * Syntax: screen //telnet host [port] ++ * define RXVT_OSC if you want support for rxvts special ++ * change fgcolor/bgcolor/bgpicture sequences ++ */ ++#undef SIMPLESCREEN ++#ifndef SIMPLESCREEN ++# define LOCK ++# define PASSWORD ++# define COPY_PASTE ++# define REMOTE_DETACH ++# define POW_DETACH ++# define AUTO_NUKE ++# define PSEUDOS ++# define MULTI ++# define MULTIUSER ++# define MAPKEYS ++# define COLOR ++# define FONT ++# define DW_CHARS ++# define ENCODINGS ++# define UTF8 ++# define COLORS16 ++# define ZMODEM ++# define BLANKER_PRG ++#endif /* SIMPLESCREEN */ ++ ++#undef BUILTIN_TELNET ++#undef RXVT_OSC ++#undef COLORS256 ++ ++ ++/* ++ * If you have a braille display you should define HAVE_BRAILLE. ++ * The code inside #ifdef HAVE_BRAILLE was contributed by Hadi Bargi ++ * Rangin (bargi@dots.physics.orst.edu). ++ * WARNING: this is more or less unsupported code, it may be full of ++ * bugs leading to security holes, enable at your own risk! ++ */ ++#undef HAVE_BRAILLE ++ ++ ++/* ++ * As error messages are mostly meaningless to the user, we ++ * try to throw out phrases that are somewhat more familiar ++ * to ...well, at least familiar to us NetHack players. ++ */ ++#ifndef NONETHACK ++# define NETHACK ++#endif /* NONETHACK */ ++ ++/* ++ * If screen is installed with permissions to update /etc/utmp (such ++ * as if it is installed set-uid root), define UTMPOK. ++ */ ++#define UTMPOK ++ ++/* Set LOGINDEFAULT to one (1) ++ * if you want entries added to /etc/utmp by default, else set it to ++ * zero (0). ++ * LOGINDEFAULT will be one (1) whenever LOGOUTOK is undefined! ++ */ ++#define LOGINDEFAULT 1 ++ ++/* Set LOGOUTOK to one (1) ++ * if you want the user to be able to log her/his windows out. ++ * (Meaning: They are there, but not visible in /etc/utmp). ++ * Disabling this feature only makes sense if you have a secure /etc/utmp ++ * database. ++ * Negative examples: suns usually have a world writable utmp file, ++ * xterm will run perfectly without s-bit. ++ * ++ * If LOGOUTOK is undefined and UTMPOK is defined, all windows are ++ * initially and permanently logged in. ++ * ++ * Set CAREFULUTMP to one (1) if you want that users have at least one ++ * window per screen session logged in. ++ */ ++#define LOGOUTOK 1 ++#undef CAREFULUTMP ++ ++ ++/* ++ * If UTMPOK is defined and your system (incorrectly) counts logins by ++ * counting non-null entries in /etc/utmp (instead of counting non-null ++ * entries with no hostname that are not on a pseudo tty), define USRLIMIT ++ * to have screen put an upper-limit on the number of entries to write ++ * into /etc/utmp. This helps to keep you from exceeding a limited-user ++ * license. ++ */ ++#undef USRLIMIT ++ ++/* ++ * both must be defined if you want to favor tcsendbreak over ++ * other calls to generate a break condition on serial lines. ++ * (Do not bother, if you are not using plain tty windows.) ++ */ ++#define POSIX_HAS_A_GOOD_TCSENDBREAK ++#define SUNOS4_AND_WE_TRUST_TCSENDBREAK ++ ++/* ++ * to lower the interrupt load on the host machine, you may want to ++ * adjust the VMIN and VTIME settings used for plain tty windows. ++ * See the termio(4) manual page (Non-Canonical Mode Input Processing) ++ * for details. ++ * if undefined, VMIN=1, VTIME=0 is used as a default - this gives you ++ * best user responsiveness, but highest interrupt frequency. ++ * (Do not bother, if you are not using plain tty windows.) ++ */ ++#define TTYVMIN 100 ++#define TTYVTIME 2 ++ ++/* ++ * looks like the above values are ignored by setting FNDELAY. ++ * This is default for all pty/ttys, you may disable it for ++ * ttys here. After playing with it for a while, one may find out ++ * that this feature may cause screen to lock up. ++ */ ++#ifdef bsdi ++# define TTY_DISABLE_FNBLOCK /* select barfs without it ... */ ++#endif ++ ++ ++/* ++ * Some terminals, e.g. Wyse 120, use a bitfield to select attributes. ++ * This doesn't work with the standard so/ul/m? terminal entries, ++ * because they will cancel each other out. ++ * On TERMINFO machines, "sa" (sgr) may work. If you want screen ++ * to switch attributes only with sgr, define USE_SGR. ++ * This is *not* recomended, do this only if you must. ++ */ ++#undef USE_SGR ++ ++ ++/* ++ * Define USE_LOCALE if you want screen to use the locale names ++ * for the name of the month and day of the week. ++ */ ++#define USE_LOCALE ++ ++/* ++ * Define USE_PAM if your system supports PAM (Pluggable Authentication ++ * Modules) and you want screen to use it instead of calling crypt(). ++ * (You may also need to add -lpam to LIBS in the Makefile.) ++ */ ++#undef USE_PAM ++ ++/* ++ * Define CHECK_SCREEN_W if you want screen to set TERM to screen-w ++ * if the terminal width is greater than 131 columns. No longer needed ++ * on modern systems which use $COLUMNS or the tty settings instead. ++ */ ++#undef CHECK_SCREEN_W ++ ++/********************************************************************** ++ * ++ * End of User Configuration Section ++ * ++ * Rest of this file is modified by 'configure' ++ * Change at your own risk! ++ * ++ */ ++]) ++# end of AH_TOP ++ + AC_PREFIX_PROGRAM(screen) + AC_PREFIX_PROGRAM(gzip) + +@@ -46,6 +363,7 @@ + AC_PROG_GCC_TRADITIONAL + AC_ISC_POSIX + ++AC_MSG_CHECKING([for compiler sanity]) + AC_TRY_RUN(main(){exit(0);},,[ + if test $CC != cc ; then + AC_NOTE(Your $CC failed - restarting with CC=cc) +@@ -54,22 +372,17 @@ + export CC + exec $0 $configure_args + fi +-]) +- +-AC_TRY_RUN(main(){exit(0);},, +-exec 5>&2 +-eval $ac_link +-AC_NOTE(CC=$CC; CFLAGS=$CFLAGS; LIBS=$LIBS;) +-AC_NOTE($ac_compile) +-AC_MSG_ERROR(Can't run the compiler - sorry)) ++],AC_MSG_WARN([skipping test due to crosscompilation])) + ++AC_MSG_CHECKING([if compiler sets exit status]) + AC_TRY_RUN([ + main() + { + int __something_strange_(); + __something_strange_(0); + } +-],AC_MSG_ERROR(Your compiler does not set the exit status - sorry)) ++],AC_MSG_ERROR(Your compiler does not set the exit status - sorry),, ++AC_MSG_WARN(skipping test due to crosscompilation)) + + AC_PROG_AWK + +@@ -103,6 +416,7 @@ + dnl + dnl **** special unix variants **** + dnl ++AH_TEMPLATE(ISC,[]) + if test -n "$ISC"; then + AC_DEFINE(ISC) LIBS="$LIBS -linet" + fi +@@ -114,11 +428,13 @@ + dnl fi + dnl fi + ++AH_TEMPLATE([sysV68],[]) + if test -f /sysV68 ; then + AC_DEFINE(sysV68) + fi + + AC_CHECKING(for MIPS) ++AH_TEMPLATE([MIPS],[]) + if test -f /lib/libmld.a || test -f /usr/lib/libmld.a || test -f /usr/lib/cmplrs/cc/libmld.a; then + oldlibs="$LIBS" + test -f /bin/mx || LIBS="$LIBS -lmld" # for nlist. But not on alpha. +@@ -132,6 +448,8 @@ + AC_CHECKING(wait3) + AC_TRY_LINK(,[wait3();], , + AC_CHECKING(wait2) ++AH_TEMPLATE([USE_WAIT2],[On RISCOS we prefer wait2() over wait3(). rouilj@sni-usa.com]) ++dnl TODO(Hannes) shipped config.h.in wraps the define in #ifdef BSDWAIT + AC_TRY_LINK(,[wait2();], + dnl John Rouillard (rouilj@sni-usa.com): + dnl need -I/usr/include/bsd in RISCOS otherwise sockets are broken, no +@@ -154,9 +472,11 @@ + oldlibs="$LIBS" + LIBS="$LIBS -lpyr" + AC_CHECKING(Pyramid OSX) ++AH_TEMPLATE([OSX], [Pyramid OSX]) + AC_TRY_LINK(,[open_controlling_pty("")], AC_DEFINE(OSX), LIBS="$oldlibs") + fi + ++AH_TEMPLATE([POSIX],[Define POSIX if your system supports IEEE Std 1003.1-1988 (POSIX).]) + dnl ghazi@caip.rutgers.edu (Kaveh R. Ghazi): + dnl BBN butterfly is not POSIX, but a MACH BSD system. + dnl Do not define POSIX and TERMIO. +@@ -183,6 +503,7 @@ + fi + + AC_CHECKING(for System V) ++AH_TEMPLATE([SYSV], [Define SYSV if your machine is SYSV complient (Sys V, HPUX, A/UX)]) + AC_TRY_COMPILE( + [#include <sys/types.h> + #include <signal.h> +@@ -198,6 +519,11 @@ + oldlibs="$LIBS" + LIBS="$LIBS -lelf" + AC_CHECKING(SVR4) ++AH_TEMPLATE([SVR4],[]) ++AH_TEMPLATE([BUGGYGETLOGIN], ++[If ttyslot() breaks getlogin() by returning indexes to utmp entries ++ of type DEAD_PROCESS, then our getlogin() replacement should be ++ selected by defining BUGGYGETLOGIN.]) + AC_TRY_LINK([#include <utmpx.h> + ],, + [AC_CHECK_HEADER(dwarf.h, AC_DEFINE(SVR4) AC_DEFINE(BUGGYGETLOGIN), +@@ -235,6 +561,9 @@ + dnl + + AC_CHECKING(BSD job jontrol) ++AH_TEMPLATE([BSDJOBS], ++[Define BSDJOBS if you have BSD-style job control (both process ++ groups and a tty that deals correctly with them)]) + AC_TRY_LINK( + [#include <sys/types.h> + #include <sys/ioctl.h> +@@ -255,6 +584,10 @@ + dnl **** setreuid(), seteuid() **** + dnl + AC_CHECKING(setreuid) ++AH_TEMPLATE([HAVE_SETREUID], ++[If your system has the calls setreuid() and setregid(), ++ define HAVE_SETREUID. Otherwise screen will use a forked process to ++ safely create output files without retaining any special privileges.]) + AC_TRY_LINK(,[ + #ifdef __hpux + setresuid(0, 0, 0); +@@ -269,6 +602,9 @@ + dnl Solaris seteuid doesn't change the saved uid, bad for + dnl multiuser screen sessions + AC_CHECKING(seteuid) ++AH_TEMPLATE([HAVE_SETEUID], ++[If your system supports BSD4.4's seteuid() and setegid(), define ++ HAVE_SETEUID.]) + AC_TRY_LINK(,[ + #if defined(linux) || defined(NeXT) || defined(_AUX_SOURCE) || defined(AUX) || defined(ultrix) || (defined(sun) && defined(SVR4)) || defined(ISC) || defined(sony_news) + seteuid_is_broken(0); +@@ -292,7 +628,8 @@ + dnl **** FIFO tests **** + dnl + +-AC_CHECKING(fifos) ++AC_CACHE_CHECK([usable fifos], ++ [screen_cv_sys_fifo_usable], + AC_TRY_RUN([ + #include <sys/types.h> + #include <sys/stat.h> +@@ -357,12 +694,14 @@ + exit(1); + exit(0); + } +-], AC_NOTE(- your fifos are usable) fifo=1, +-AC_NOTE(- your fifos are not usable)) +-rm -f /tmp/conftest* ++], screen_cv_sys_fifo_usable=yes, screen_cv_sys_fifo_usable=no)) + +-if test -n "$fifo"; then +-AC_CHECKING(for broken fifo implementation) ++if test X"$screen_cv_sys_fifo_usable" = Xyes; then ++AH_TEMPLATE([BROKEN_PIPE], ++[Define this if your system exits select() immediatly if a pipe is ++ opened read-only and no writer has opened it.]) ++AC_CACHE_CHECK([broken fifo implementation], ++ [screen_cv_sys_fifo_broken_impl], + AC_TRY_RUN([ + #include <sys/types.h> + #include <fcntl.h> +@@ -407,9 +746,11 @@ + exit(1); + exit(0); + } +-], AC_NOTE(- your implementation is ok), +-AC_NOTE(- you have a broken implementation) AC_DEFINE(BROKEN_PIPE) fifobr=1) +-rm -f /tmp/conftest* ++], screen_cv_sys_fifo_broken_impl=no, ++screen_cv_sys_fifo_broken_impl=yes)) ++if test X"$screen_cv_sys_fifo_broken_impl" = Xyes; then ++ AC_DEFINE(BROKEN_PIPE) ++fi + fi + + dnl +@@ -418,7 +759,8 @@ + dnl may need LIBS="$LIBS -lsocket" here + dnl + +-AC_CHECKING(sockets) ++AC_CACHE_CHECK([sockets are usable], ++ [screen_cv_sys_sockets_usable], + AC_TRY_RUN([ + #include <sys/types.h> + #include <sys/socket.h> +@@ -469,12 +811,16 @@ + exit(1); + exit(0); + } +-], AC_NOTE(- your sockets are usable) sock=1, +-AC_NOTE(- your sockets are not usable)) +-rm -f /tmp/conftest* ++], screen_cv_sys_sockets_usable=yes, ++screen_cv_sys_sockets_usable=no)) + +-if test -n "$sock"; then ++if test X"$screen_cv_sys_sockets_usable" = Xyes; then + AC_CHECKING(socket implementation) ++AH_TEMPLATE([SOCK_NOT_IN_FS], ++[Define this if the unix-domain socket implementation doesn't ++ create a socket in the filesystem.]) ++AC_CACHE_CHECK([if sockets are not stored in the filesystem], ++ [screen_cv_sys_sockets_nofs], + AC_TRY_RUN([ + #include <sys/types.h> + #include <sys/stat.h> +@@ -500,22 +846,25 @@ + close(s); + exit(0); + } +-],AC_NOTE(- you are normal), +-AC_NOTE(- unix domain sockets are not kept in the filesystem) +-AC_DEFINE(SOCK_NOT_IN_FS) socknofs=1) +-rm -f /tmp/conftest* ++], screen_cv_sys_sockets_nofs=no, ++screen_cv_sys_sockets_nofs=yes)) ++ ++if test X"$screen_cv_sys_sockets_nofs" = Xyes; then ++ AC_DEFINE(SOCK_NOT_IN_FS) ++fi + fi + + + dnl + dnl **** choose sockets or fifos **** + dnl +-if test -n "$fifo"; then +- if test -n "$sock"; then +- if test -n "$nore"; then ++AH_TEMPLATE([NAMEDPIPE], [Define this if your system supports named pipes.]) ++if test X"$screen_cv_sys_fifo_usable" = Xyes; then ++ if test X"$screen_cv_sys_sockets_usable" = Xyes; then ++ if test X"$screen_cv_sys_sockets_nofs" = Xyes; then + AC_NOTE(- hmmm... better take the fifos) + AC_DEFINE(NAMEDPIPE) +- elif test -n "$fifobr"; then ++ elif test X"$screen_cv_sys_fifo_broken_impl" = Xyes; then + AC_NOTE(- as your fifos are broken lets use the sockets.) + else + AC_NOTE(- both sockets and fifos usable. let's take fifos.) +@@ -525,7 +874,7 @@ + AC_NOTE(- using named pipes, of course) + AC_DEFINE(NAMEDPIPE) + fi +-elif test -n "$sock"; then ++elif test X"$screen_cv_sys_sockets_usable" = Xyes; then + AC_NOTE(- using unix-domain sockets, of course) + else + AC_MSG_ERROR(you have neither usable sockets nor usable pipes -> no screen) +@@ -535,7 +884,11 @@ + dnl **** check the select implementation **** + dnl + +-AC_CHECKING(select return value) ++AH_TEMPLATE([SELECT_BROKEN], ++[If the select return value doesn't treat a descriptor that is ++ usable for reading and writing as two hits, define SELECT_BROKEN.]) ++AC_CACHE_CHECK([for broken select return value], ++ [screen_cv_sys_select_broken_retval], + AC_TRY_RUN([ + #include <sys/types.h> + #include <sys/stat.h> +@@ -634,19 +987,26 @@ + exit(1); + exit(0); + } +-],AC_NOTE(- select is ok), +-AC_NOTE(- select can't count) AC_DEFINE(SELECT_BROKEN)) ++], screen_cv_sys_select_broken_retval=no, ++screen_cv_sys_select_broken_retval=yes)) ++if test X"$screen_cv_sys_select_broken_retval" = Xyes; then ++ AC_DEFINE(SELECT_BROKEN) ++fi + + dnl + dnl **** termcap or terminfo **** + dnl ++AH_TEMPLATE([TERMINFO], ++[Define TERMINFO if your machine emulates the termcap routines ++ with the terminfo database. ++ Thus the .screenrc file is parsed for ++ the command 'terminfo' and not 'termcap']) ++ + AC_CHECKING(for tgetent) + AC_TRY_LINK(,tgetent((char *)0, (char *)0);,, + olibs="$LIBS" +-if test -f /usr/lib/libncursesw.so ; then +- LIBS="-lncursesw $olibs" +-fi + AC_CHECKING(libncursesw) ++AC_CHECK_LIB(ncursesw,tgetent) + AC_TRY_LINK(,tgetent((char *)0, (char *)0);,, + LIBS="-lcurses $olibs" + AC_CHECKING(libcurses) +@@ -668,24 +1028,39 @@ + AC_TRY_LINK(,tgetent((char *)0, (char *)0);,, + AC_MSG_ERROR(!!! no tgetent - no screen))))))) + +-AC_TRY_RUN([ ++AC_CACHE_CHECK([using terminfo database],[screen_cv_sys_terminfo_used], ++ AC_TRY_RUN([ + main() + { + exit(strcmp(tgoto("%p1%d", 0, 1), "1") ? 0 : 1); +-}], AC_NOTE(- you use the termcap database), +-AC_NOTE(- you use the terminfo database) AC_DEFINE(TERMINFO)) ++} ++ ], screen_cv_sys_terminfo_used=no, ++ screen_cv_sys_terminfo_used=yes) ++) ++ ++if test X"$screen_cv_sys_terminfo_used" = Xyes; then ++ AC_DEFINE(TERMINFO) ++fi ++ + AC_CHECKING(ospeed) ++AH_TEMPLATE([NEED_OSPEED],[If your library does not define ospeed, define this.]) + AC_TRY_LINK(extern short ospeed;,ospeed=5;,,AC_DEFINE(NEED_OSPEED)) + + dnl + dnl **** PTY specific things **** + dnl ++AH_TEMPLATE([HAVE_DEV_PTC], ++[define HAVE_DEV_PTC if you have a /dev/ptc character special ++ device.]) + AC_CHECKING(for /dev/ptc) + if test -r /dev/ptc; then + AC_DEFINE(HAVE_DEV_PTC) + fi + + AC_CHECKING(for SVR4 ptys) ++AH_TEMPLATE([HAVE_SVR4_PTYS], ++[define HAVE_SVR4_PTYS if you have a /dev/ptmx character special ++ device and support the ptsname(), grantpt(), unlockpt() functions.]) + sysvr4ptys= + if test -c /dev/ptmx ; then + AC_TRY_LINK([],[ptsname(0);grantpt(0);unlockpt(0);],[AC_DEFINE(HAVE_SVR4_PTYS) +@@ -701,6 +1076,13 @@ + fi + + AC_CHECKING(for ptyranges) ++AH_TEMPLATE([PTYRANGE0], ++[define PTYRANGE0 and or PTYRANGE1 if you want to adapt screen ++ to unusual environments. E.g. For SunOs the defaults are "qpr" and ++ "0123456789abcdef". For SunOs 4.1.2 ++ #define PTYRANGE0 "pqrstuvwxyzPQRST" ++ is recommended by Dan Jacobson.]) ++AH_TEMPLATE([PTYRANGE1],[]) + if test -d /dev/ptym ; then + pdir='/dev/ptym' + else +@@ -817,6 +1199,9 @@ + dnl **** utmp handling **** + dnl + AC_CHECKING(getutent) ++AH_TEMPLATE([GETUTENT], ++[If your system has getutent(), pututline(), etc. to write to the ++ utmp file, define GETUTENT.]) + AC_TRY_LINK([ + #include <time.h> /* to get time_t on SCO */ + #include <sys/types.h> +@@ -850,6 +1235,7 @@ + [int x = DEAD_PROCESS; pututline((struct utmp *)0); getutent();], AC_DEFINE(GETUTENT), LIBS="$olibs") + ) + AC_CHECKING(ut_host) ++AH_TEMPLATE([UTHOST],[Define UTHOST if the utmp file has a host field.]) + AC_TRY_COMPILE([ + #include <time.h> + #include <sys/types.h> +@@ -860,8 +1246,9 @@ + #include <utmp.h> + #endif + ],[struct utmp u; u.ut_host[0] = 0;], AC_DEFINE(UTHOST)) ++AH_TEMPLATE([HAVE_UTEMPTER],[Define if you have the utempter utmp helper program]) + AC_CHECK_HEADER(utempter.h, have_utempter=yes, have_utempter=no) +-if test "$have_utempter" = yes; then ++if test X"$have_utempter" = Xyes; then + AC_DEFINE(HAVE_UTEMPTER) + LIBS="$LIBS -lutempter" + fi +@@ -869,20 +1256,39 @@ + dnl + dnl **** loadav **** + dnl ++ ++AH_TEMPLATE([LOADAV], ++[If you want the "time" command to display the current load average ++ define LOADAV. Maybe you must install screen with the needed ++ privileges to read /dev/kmem. ++ Note that NLIST_ stuff is only checked, when getloadavg() is not available. ++]) ++AH_TEMPLATE([LOADAV_NUM]) ++AH_TEMPLATE([LOADAV_TYPE]) ++AH_TEMPLATE([LOADAV_SCALE]) ++AH_TEMPLATE([LOADAV_GETLOADAVG]) ++AH_TEMPLATE([LOADAV_UNIX]) ++AH_TEMPLATE([LOADAV_AVENRUN]) ++AH_TEMPLATE([LOADAV_USE_NLIST64]) ++ ++AH_TEMPLATE([NLIST_DECLARED]) ++AH_TEMPLATE([NLIST_STRUCT]) ++AH_TEMPLATE([NLIST_NAME_UNION]) ++ + AC_CHECKING(for libutil(s)) +-test -f /usr/lib/libutils.a && LIBS="$LIBS -lutils" +-test -f /usr/lib/libutil.a && LIBS="$LIBS -lutil" ++dnl I have no idea whether "login" is an appropriate symbol to check for here - Hannes ++AC_CHECK_LIB(utils,login) ++AC_CHECK_LIB(util,login) + + AC_CHECKING(getloadavg) + AC_TRY_LINK(,[getloadavg((double *)0, 0);], + AC_DEFINE(LOADAV_GETLOADAVG) load=1, +-if test -f /usr/lib/libkvm.a ; then + olibs="$LIBS" +-LIBS="$LIBS -lkvm" ++AC_CHECK_LIB(kvm,kvm_open, + AC_CHECKING(getloadavg with -lkvm) + AC_TRY_LINK(,[getloadavg((double *)0, 0);], + AC_DEFINE(LOADAV_GETLOADAVG) load=1, LIBS="$olibs") +-fi ++) + ) + + if test -z "$load" ; then +@@ -1024,6 +1430,11 @@ + dnl + dnl **** signal handling **** + dnl ++ ++AH_TEMPLATE([SIGVOID], ++[Define SIGVOID if your signal handlers return void. On older ++ systems, signal returns int, but on newer ones, it returns void.]) ++ + if test -n "$posix" ; then + + dnl POSIX has reliable signals with void return type. +@@ -1041,6 +1452,7 @@ + #endif + extern void (*signal ()) ();], [int i;], AC_DEFINE(SIGVOID)) + AC_CHECKING(sigset) ++AH_TEMPLATE([USESIGSET], [Define USESIGSET if you have sigset for BSD 4.1 reliable signals.]) + AC_TRY_LINK([ + #include <sys/types.h> + #include <signal.h> +@@ -1052,6 +1464,9 @@ + #endif + ], AC_DEFINE(USESIGSET)) + AC_CHECKING(signal implementation) ++AH_TEMPLATE([SYSVSIGS], ++[Define SYSVSIGS if signal handlers must be reinstalled after ++ they have been called.]) + AC_TRY_RUN([ + #include <sys/types.h> + #include <signal.h> +@@ -1094,13 +1509,14 @@ + dnl + + AC_CHECKING(for crypt and sec libraries) +-test -f /lib/libcrypt_d.a || test -f /usr/lib/libcrypt_d.a && LIBS="$LIBS -lcrypt_d" ++dnl I have no idea whether "crypt" is an appropriate symbol to check for here - Hannes ++AC_CHECK_LIB(crypt_d,crypt) + oldlibs="$LIBS" +-LIBS="$LIBS -lcrypt" + AC_CHECKING(crypt) + AC_TRY_LINK(,,,LIBS="$oldlibs") +-test -f /lib/libsec.a || test -f /usr/lib/libsec.a && LIBS="$LIBS -lsec" +-test -f /lib/libshadow.a || test -f /usr/lib/libshadow.a && LIBS="$LIBS -lshadow" ++AC_CHECK_LIB(crypt,crypt) ++AC_CHECK_LIB(sec,crypt) ++AC_CHECK_LIB(shadow,getspnam) + oldlibs="$LIBS" + LIBS="$LIBS -lsun" + AC_CHECKING(IRIX sun library) +@@ -1123,6 +1539,13 @@ + dnl **** misc things **** + dnl + AC_CHECKING(wait union) ++AH_TEMPLATE([BSDWAIT], ++[Define BSDWAIT if your system defines a 'union wait' in <sys/wait.h> ++ ++ Only allow BSDWAIT i.e. wait3 on nonposix systems, since ++ posix implies wait(3) and waitpid(3). vdlinden@fwi.uva.nl ++ TODO(Hannes) shipped config.h.in does that with a #ifdef ++]) + AC_TRY_COMPILE([#include <sys/types.h> + #include <sys/wait.h> + ],[ +@@ -1133,6 +1556,12 @@ + #endif + ],AC_DEFINE(BSDWAIT)) + ++AH_TEMPLATE([TERMIO], ++[Define TERMIO if you have struct termio instead of struct sgttyb. ++ This is usually the case for SVID systems, where BSD uses sgttyb. ++ POSIX systems should define this anyway, even though they use ++ struct termios.]) ++ + if test -z "$butterfly"; then + AC_CHECKING(for termio or termios) + AC_TRY_CPP([#include <termio.h>], AC_DEFINE(TERMIO), +@@ -1142,17 +1571,35 @@ + ) + fi + ++AH_TEMPLATE([CYTERMIO], [Define CYTERMIO if you have cyrillic termio modes.]) ++ + dnl AC_CHECK_HEADER(shadow.h, AC_DEFINE(SHADOWPW)) + AC_CHECKING(getspnam) ++AH_TEMPLATE([SHADOWPW], ++[If the passwords are stored in a shadow file and you want the ++ builtin lock to work properly, define SHADOWPW.]) + AC_TRY_LINK([#include <shadow.h>], [getspnam("x");],AC_DEFINE(SHADOWPW)) + + AC_CHECKING(getttyent) ++AH_TEMPLATE([GETTTYENT], ++[If your system has the new format /etc/ttys (like 4.3 BSD) and the ++ getttyent(3) library functions, define GETTTYENT.]) + AC_TRY_LINK(,[getttyent();], AC_DEFINE(GETTTYENT)) + + AC_CHECKING(fdwalk) ++AH_TEMPLATE([HAVE_FDWALK], ++[Newer versions of Solaris include fdwalk, which can greatly improve ++ the startup time of screen; otherwise screen spends a lot of time ++ closing file descriptors.]) + AC_TRY_LINK([#include <stdlib.h>], [fdwalk(NULL, NULL);],AC_DEFINE(HAVE_FDWALK)) + +-AC_CHECKING(whether memcpy/memmove/bcopy handles overlapping arguments) ++AH_TEMPLATE([USEBCOPY], ++[Define USEBCOPY if the bcopy/memcpy from your system's C library ++ supports the overlapping of source and destination blocks. When ++ undefined, screen uses its own (probably slower) version of bcopy().]) ++ ++AC_CACHE_CHECK([if bcopy handles overlap], ++ [screen_cv_sys_bcopy_overlap], + AC_TRY_RUN([ + main() { + char buf[10]; +@@ -1165,8 +1612,21 @@ + if (strncmp(buf, "cdedef", 6)) + exit(1); + exit(0); /* libc version works properly. */ +-}], AC_DEFINE(USEBCOPY)) ++}], screen_cv_sys_bcopy_overlap=yes, ++screen_cv_sys_bcopy_overlap=no)) ++if test X"$screen_cv_sys_bcopy_overlap" = Xyes; then ++ AC_DEFINE(USEBCOPY) ++fi + ++AH_TEMPLATE([USEMEMMOVE], ++[SYSV machines may have a working memcpy() -- Oh, this is ++ quite unlikely. Tell me if you see one. ++ "But then, memmove() should work, if at all available" he thought... ++ Boing, never say "works everywhere" unless you checked SCO UNIX. ++ Their memove fails the test in the configure script. Sigh. (Juergen) ++]) ++AC_CACHE_CHECK([if memmove handles overlap], ++ [screen_cv_sys_memmove_overlap], + AC_TRY_RUN([ + #define bcopy(s,d,l) memmove(d,s,l) + main() { +@@ -1180,9 +1640,15 @@ + if (strncmp(buf, "cdedef", 6)) + exit(1); + exit(0); /* libc version works properly. */ +-}], AC_DEFINE(USEMEMMOVE)) +- ++}], screen_cv_sys_memmove_overlap=yes, ++screen_cv_sys_memmove_overlap=no)) ++if test X"$screen_cv_sys_memmove_overlap" = Xyes; then ++ AC_DEFINE(USEMEMMOVE) ++fi + ++AH_TEMPLATE([USEMEMCPY],[]) ++AC_CACHE_CHECK([if memcpy handles overlap], ++ [screen_cv_sys_memcpy_overlap], + AC_TRY_RUN([ + #define bcopy(s,d,l) memcpy(d,s,l) + main() { +@@ -1196,9 +1662,19 @@ + if (strncmp(buf, "cdedef", 6)) + exit(1); + exit(0); /* libc version works properly. */ +-}], AC_DEFINE(USEMEMCPY)) ++}], screen_cv_sys_memcpy_overlap=yes, ++screen_cv_sys_memcpy_overlap=no)) ++if test X"$screen_cv_sys_memcpy_overlap" = Xyes; then ++ AC_DEFINE(USEMEMCPY) ++fi + + AC_MSG_CHECKING(long file names) ++AH_TEMPLATE([NAME_MAX], ++[If you are on a SYS V machine that restricts filename length to 14 ++ characters, you may need to enforce that by setting NAME_MAX to 14]) ++dnl TODO(Hannes) shipped config.h.in has ++dnl #undef NAME_MAX /* KEEP_UNDEF_HERE override system value */ ++dnl ahead of this + (echo 1 > /tmp/conftest9012345) 2>/dev/null + (echo 2 > /tmp/conftest9012346) 2>/dev/null + val=`cat /tmp/conftest9012345 2>/dev/null` +@@ -1211,17 +1687,28 @@ + rm -f /tmp/conftest* + + AC_MSG_CHECKING(for vsprintf) ++AH_TEMPLATE([USEVARARGS], ++[If your system has vsprintf() and requires the use of the macros in ++ "varargs.h" to use functions with variable arguments, ++ define USEVARARGS.]) + AC_TRY_LINK([#include <stdarg.h>],[va_list valist; vsprintf(0,0,valist);], AC_MSG_RESULT(yes);AC_DEFINE(USEVARARGS), AC_MSG_RESULT(no)) + + AC_HEADER_DIRENT + + AC_MSG_CHECKING(for setenv) ++AH_TEMPLATE([USESETENV], [If your system has setenv() and unsetenv() define USESETENV]) + AC_TRY_LINK(,[setenv((char *)0,(char *)0);unsetenv((char *)0);], AC_MSG_RESULT(yes);AC_DEFINE(USESETENV), + AC_MSG_RESULT(no) + AC_MSG_CHECKING(for putenv) ++AH_TEMPLATE([NEEDPUTENV], ++[If your system does not come with a setenv()/putenv()/getenv() ++ functions, you may bring in our own code by defining NEEDPUTENV.]) + AC_TRY_LINK(,[putenv((char *)0);unsetenv((char *)0);], AC_MSG_RESULT(yes) , AC_MSG_RESULT(no);AC_DEFINE(NEEDPUTENV) + )) + AC_MSG_CHECKING([for nl_langinfo(CODESET)]) ++AH_TEMPLATE([HAVE_NL_LANGINFO], ++[define HAVE_NL_LANGINFO if your system has the nl_langinfo() call ++ and <langinfo.h> defines CODESET.]) + AC_TRY_LINK([ + #include <langinfo.h> + ],[nl_langinfo(CODESET);], AC_MSG_RESULT(yes);AC_DEFINE(HAVE_NL_LANGINFO), AC_MSG_RESULT(no)) +@@ -1271,7 +1758,8 @@ + dnl Ptx bug workaround -- insert -lc after -ltermcap + test -n "$seqptx" && LIBS="-ltermcap -lc -lsocket -linet -lnsl -lsec -lseq" + +-AC_TRY_RUN(main(){exit(0);},,AC_MSG_ERROR(Can't run the compiler - internal error. Sorry.)) ++AC_MSG_CHECKING(compiler sanity) ++AC_TRY_RUN(main(){exit(0);},,AC_MSG_ERROR(Can't run the compiler - internal error. Sorry.), AC_MSG_WARN(Skipping test due to crosscompilation)) + + ETCSCREENRC="\"/usr/local/etc/screenrc\"" + if test -n "$prefix"; then |