home *** CD-ROM | disk | FTP | other *** search
- dnl tempnam needs replaced on some systems e.g. next
- dnl
- dnl Look for the X11 include files in various places, if they're
- dnl not in the compiler's path. Substitute for `xincludedir' and
- dnl `xlibdir'. Perhaps we need different checks for Xt and Xaw?
- define(AC_X11_LOCATION,
- [echo checking for X11 headers and libraries
- dir=""
- AC_TEST_CPP([#include <X11/Intrinsic.h>], :,
- if test -r /usr/local/[[include]]/X11/Intrinsic.h; then
- dir=/usr/local/[[include]]
-
- elif test -r /usr/[[include]]/X11R4/X11/Intrinsic.h; then
- dir=/usr/[[include]]/X11R4
- elif test -r /usr/[[include]]/X11R5/X11/Intrinsic.h; then
- dir=/usr/[[include]]/X11R5
-
- elif test -r /usr/lpp/X11/Xamples/[[include]]/X11/Intrinsic.h; then
- dir=/usr/lpp/X11/Xamples/[[include]]
-
- elif test -r /usr/X11/[[include]]/X11/Intrinsic.h; then
- dir=/usr/X11/[[include]]
- elif test -r /usr/X11R5/[[include]]/X11/Intrinsic.h; then
- dir=/usr/X11R5/[[include]]
-
- elif test -r /usr/openwin/[[include]]/X11/Intrinsic.h; then
- dir=/usr/openwin/[[include]]
- elif test -r /usr/openwin/share/[[include]]/X11/Intrinsic.h; then
- dir=/usr/openwin/share/[[include]]
-
- elif test -r /usr/[[include]]/X11/Intrinsic.h; then
- dir= # everyone's cc searches /usr/include, right?
- else
- no_x=t
- fi
- )
- dnl Can't use AC_SUBST inside AC_TEST_CPP.
- if test -n "$dir"; then
- xincludedir=-I$dir
- echo "(using $xincludedir)"
- elif test -n "$no_x"; then
- # Not all programs may use this symbol, but it won't hurt to define it.
- xincludedir=-DX_DISPLAY_MISSING
- fi
- AC_SUBST(xincludedir)
- #
- # Now check for the libraries. Amazing how every single X vendor puts
- # these in a different place, and all because MIT thought they should go
- # in /usr/lib.
- dir1=""
- if test -r /usr/local/lib/libXt.a; then
- dir1=/usr/local/lib
-
- elif test -r /usr/lib/X11R4/libXt.sl; then
- dir1=/usr/lib/X11R4
- elif test -r /usr/lib/X11R4/libXt.a; then
- dir1=/usr/lib/X11R4
- elif test -r /usr/lib/X11R5/libXt.a; then
- dir1=/usr/lib/X11R5
-
- elif test -r /usr/lpp/X11/Xamples/lib/Xt/libXt.a; then
- dir1=/usr/lpp/X11/Xamples/lib/Xt
-
- elif test -r /usr/X11/lib/libXt.a; then
- dir1=/usr/X11/lib
- elif test -r /usr/X11R5/lib/libXt.a; then
- dir1=/usr/X11R5/lib
-
- elif test -r /usr/openwin/lib/libXt.a; then
- dir1=/usr/openwin/lib
- elif test -r /usr/openwin/lib/libXt.so; then
- dir1=/usr/openwin/lib
-
- fi
- dir2=""
- if test -r /usr/lpp/X11/Xamples/lib/Xmu/libXmu.a; then
- dir2=/usr/lpp/X11/Xamples/lib/Xmu
- fi
- #
- # It would be nice to have a more robust check for the -R ld option then
- # just checking for Solaris. The parentheses elide `uname: not found'.
- #
- # It would also be nice to do this for all -L options, not just this one.
- if test -n "$dir1"; then
- xlibdir=-L$dir1
- if test "`(uname) >/dev/null 2>&1`" = SunOS && uname -r | grep '^5'; then
- xlibdir="$xlibdir -R$dir1"
- fi
- #
- # Don't need all that stuff for dir2, since it only gets used on AIX.
- test -n "$dir2" && xlibdir="$xlibdir -L$dir2"
- fi
- #
- # Check for additional X libraries.
- #
- # Since we already have an explicit check for POSIXified ISC, use it.
- if test -n "$ISC"; then
- wlibs="$wlibs -lnsl_s -linet"
- echo "(adding -lnsl_s -linet to wlibs)"
- else
- # Martyn.Johnson@cl.cam.ac.uk says this is needed for Ultrix, if the X
- # libraries were built with DECnet support. And karl@cs.umb.edu's Alpha
- # needs dnet_stubs.
- AC_HAVE_LIBRARY(dnet,
- [wlibs="$wlibs -ldnet"
- have_dnet=t
- echo "(adding -ldnet to wlibs)"])
- if test -z "$have_dnet"; then
- AC_HAVE_LIBRARY(dnet_stub,
- [wlibs="$wlibs -ldnet_stub"
- echo "(adding -ldnet_stub to wlibs)"])
- fi
- # lieder@skyler.mavd.honeywell.com says without -lsocket,
- # socket/setsockopt and other routines are undefined under SCO ODT 2.0.
- AC_HAVE_LIBRARY(socket,
- [wlibs="$wlibs -lsocket"
- echo "(adding -lsocket to wlibs)"])
- fi
- test -n "$xlibdir" && echo "(using $xlibdir)"
- AC_SUBST(xlibdir)dnl
- AC_SUBST(wlibs)dnl
- ])dnl
- dnl Process this file with autoconf to produce a configure script.
- dnl
- AC_INIT(io-term.c)
- AC_SUBST(LIBS)dnl
- dnl Checks for programs:
- AC_PROG_CC
- AC_PROG_CPP
- AC_PROG_YACC
- AC_PROG_INSTALL
-
- dnl Checks for UNIX variants that set `DEFS':
- AC_ISC_POSIX
- AC_AIX
-
- dnl Checks for header files:
- AC_STDC_HEADERS
- AC_UNISTD_H
- AC_DIR_HEADER
- AC_HAVE_HEADERS(sys/time.h string.h memory.h sys/select.h)
- AC_X11_LOCATION
- AC_HEADER_CHECK(X11/X.h, AC_DEFINE(HAVE_X11_X_H); LIBS="$LIBS -lX11")
-
- dnl checks for functions
- AC_RETSIGTYPE
- AC_ALLOCA
- AC_REPLACE_FUNCS(random strftime mktime xmalloc)
-
- AC_CONST
-
- dnl Replace vfprintf and vsprintf.
- dnl If either needs to be replaced, replace _doprnt.
- need_doprnt=
- AC_COMPILE_CHECK([vfprintf], , [vfprintf();], ,
- [LIBOBJS="$LIBOBJS vfprintf.o"; need_doprnt=1])
- AC_COMPILE_CHECK([vsprintf], , [vsprintf();], ,
- [LIBOBJS="$LIBOBJS vsprintf.o"; need_doprnt=1])
- if test $need_doprnt; then
- AC_REPLACE_FUNCS(_doprnt)
- fi
-
- AC_HAVE_LIBRARY(termcap, \
- LIBS="$LIBS -lcurses -ltermcap", \
- AC_HAVE_LIBRARY(termlib, \
- LIBS="$LIBS -lcurses -ltermlib", \
- LIBS="$LIBS -lcurses"))
-
- LIBS_save="$LIBS"
- LIBS="$LIBS -lm"
- compile='${CC-cc} $DEFS conftest.c -o conftest $LIBS >/dev/null 2>&1'
- AC_HAVE_FUNCS(rint rename \
- getcap stricmp strincmp \
- strdup strstr strftime mktime)
- AC_COMPILE_CHECK([cbreak], [#include <curses.h>], [cbreak();],
- AC_DEFINE(HAVE_CBREAK))
- LIBS="$LIBS -lm"
- AC_COMPILE_CHECK([hypot], [], [hypot();],
- AC_DEFINE(HAVE_HYPOT))
- LIBS="$LIBS_save"
- AC_COMPILE_CHECK([bogus definition of __GNUC__], [static int x = 54;], [
- #if defined (__GNUC__) && __GNUC__ >= 2
- exit (__extension__ x);
- #endif
- ],
- [echo looks ok],
- [DEFS="$DEFS -D__extension__"])
- AC_OUTPUT(Makefile)
-