fi
+# Check for the XF86VMODE server extension header.
+#
+have_xf86vmode=no
+with_xf86vmode_req=unspecified
+AC_ARG_WITH(xf86vmode-ext,
+[ --with-xf86vmode-ext Include support for XFree86 virtual screens, if
+ possible (this is the default).
+ --without-xf86vmode-ext Do not compile in support for this extension.],
+ [with_xf86vmode="$withval"; with_xf86vmode_req="$withval"],
+ [with_xf86vmode=yes])
+
+HANDLE_X_PATH_ARG(with_xf86vmode, --with-xf86vmode-ext, xf86vmode)
+
+if test "$with_xf86vmode" = yes; then
+
+ # first check for xf86vmode.h
+ AC_CHECK_X_HEADER(X11/extensions/xf86vmode.h, [have_xf86vmode=yes])
+
+ # if that succeeded, then check for the -lXxf86vm
+ if test "$have_xf86vmode" = yes; then
+ have_xf86vmode=no
+ AC_CHECK_X_LIB(Xxf86vm, XF86VidModeGetViewPort,
+ [have_xf86vmode=yes; SAVER_LIBS="$SAVER_LIBS -lXxf86vm"], [],
+ -lXext -lX11)
+ fi
+
+ # if that succeeded, then we've really got it.
+ if test "$have_xf86vmode" = yes; then
+ AC_DEFINE(HAVE_XF86VMODE)
+ fi
+
+elif test "$with_xf86vmode" != no; then
+ echo "error: must be yes or no: --with-xf86vmode-ext=$with_xf86vmode"
+ exit 1
+fi
+
+
# Check for /proc/interrupts
#
have_proc_interrupts=no
AC_CHECK_X_LIB($gl_lib_1, glBindTexture, [AC_DEFINE(HAVE_GLBINDTEXTURE)],
[], $GL_LIBS -lX11 -lXext -lm)
+
+ # Check whether the `xscreensaver' executable should link against GL.
+ # See comments in utils/visual-gl.c for why this is sometimes necessary.
+ #
+ AC_MSG_CHECKING(whether drastic GL measures must be taken)
+ case "$host" in
+ *-sgi*)
+ AC_MSG_RESULT([yes -- hello, SGI.])
+ AC_DEFINE(DAEMON_USE_GL)
+ SAVER_GL_SRCS='$(UTILS_SRC)/visual-gl.c'
+ SAVER_GL_OBJS='$(UTILS_BIN)/visual-gl.o'
+ SAVER_GL_LIBS="$GL_LIBS"
+ ;;
+ *)
+ AC_MSG_RESULT([no -- non-SGI.])
+ SAVER_GL_SRCS=''
+ SAVER_GL_OBJS=''
+ SAVER_GL_LIBS=''
+ ;;
+ esac
+
fi
elif test "$with_gl" != no; then
[ --with-pam Include support for PAM (Pluggable Authentication
Modules) if possible (this is the default.)
--without-pam Do not compile in support for PAM.],
- [with_pam="$withval"; with_pam_req="$withval"],[with_pam=no])
-#### Leave PAM off by default for now, since it's buggy on Solaris
-#### (and probably Linux, but it's so hard to tell...)
+ [with_pam="$withval"; with_pam_req="$withval"],[with_pam=yes])
HANDLE_X_PATH_ARG(with_pam, --with-pam, PAM)
have_pam=yes
AC_DEFINE(HAVE_PAM)
PASSWD_LIBS="${PASSWD_LIBS} -lpam -ldl"
+
+
+ AC_MSG_CHECKING(how to call pam_strerror)
+ AC_CACHE_VAL(ac_cv_pam_strerror_args,
+ [AC_TRY_COMPILE([#include <stdio.h>
+ #include <stdlib.h>
+ #include <security/pam_appl.h>],
+ [pam_handle_t *pamh = 0;
+ char *s = pam_strerror(pamh, PAM_SUCCESS);],
+ [ac_pam_strerror_args=2],
+ [AC_TRY_COMPILE([#include <stdio.h>
+ #include <stdlib.h>
+ #include <security/pam_appl.h>],
+ [char *s =
+ pam_strerror(PAM_SUCCESS);],
+ [ac_pam_strerror_args=1],
+ [ac_pam_strerror_args=0])])
+ ac_cv_pam_strerror_args=$ac_pam_strerror_args])
+ ac_pam_strerror_args=$ac_cv_pam_strerror_args
+ if test "$ac_pam_strerror_args" = 1 ; then
+ AC_MSG_RESULT(one argument)
+ elif test "$ac_pam_strerror_args" = 2 ; then
+ AC_DEFINE(PAM_STRERROR_TWO_ARGS)
+ AC_MSG_RESULT(two arguments)
+ else
+ AC_MSG_RESULT(unknown)
+ fi
fi
elif test "$with_pam" != no; then
echo "error: must be yes or no: --with-pam=$with_pam"
fi
+# for the "sonar" hack -- check how to ping.
+#
+AC_MSG_CHECKING(for struct icmp)
+AC_CACHE_VAL(ac_cv_have_icmp,
+ [AC_TRY_COMPILE([#include <stdlib.h>
+ #include <stdio.h>
+ #include <math.h>
+ #include <unistd.h>
+ #include <limits.h>
+ #include <signal.h>
+ #include <fcntl.h>
+ #include <sys/types.h>
+ #include <sys/time.h>
+ #include <sys/ipc.h>
+ #include <sys/shm.h>
+ #include <sys/socket.h>
+ #include <netinet/in_systm.h>
+ #include <netinet/in.h>
+ #include <netinet/ip.h>
+ #include <netinet/ip_icmp.h>
+ #include <netinet/udp.h>
+ #include <arpa/inet.h>
+ #include <netdb.h>],
+ [struct icmp i;
+ struct sockaddr s;
+ struct sockaddr_in si;
+ struct ip ip;
+ i.icmp_type = ICMP_ECHO;
+ i.icmp_code = 0;
+ i.icmp_cksum = 0;
+ i.icmp_id = 0;
+ i.icmp_seq = 0;
+ si.sin_family = AF_INET;
+ ip.ip_hl = 0;],
+ [ac_cv_have_icmp=yes],
+ [ac_cv_have_icmp=no])])
+ac_have_icmp=$ac_cv_have_icmp
+AC_MSG_RESULT($ac_cv_have_icmp)
+
+AC_MSG_CHECKING(for struct icmphdr)
+AC_CACHE_VAL(ac_cv_have_icmphdr,
+ [AC_TRY_COMPILE([#include <stdlib.h>
+ #include <stdio.h>
+ #include <math.h>
+ #include <unistd.h>
+ #include <limits.h>
+ #include <signal.h>
+ #include <fcntl.h>
+ #include <sys/types.h>
+ #include <sys/time.h>
+ #include <sys/ipc.h>
+ #include <sys/shm.h>
+ #include <sys/socket.h>
+ #include <netinet/in_systm.h>
+ #include <netinet/in.h>
+ #include <netinet/ip.h>
+ #include <netinet/ip_icmp.h>
+ #include <netinet/udp.h>
+ #include <arpa/inet.h>
+ #include <netdb.h>],
+ [struct icmphdr i;
+ struct sockaddr s;
+ struct sockaddr_in si;
+ struct ip ip;
+ i.type = ICMP_ECHO;
+ i.code = 0;
+ i.cksum = 0;
+ i.un.echo.id = 0;
+ i.un.echo.sequence = 0;
+ si.sin_family = AF_INET;
+ ip.ip_hl = 0;],
+ [ac_cv_have_icmphdr=yes],
+ [ac_cv_have_icmphdr=no])])
+ac_have_icmphdr=$ac_cv_have_icmphdr
+AC_MSG_RESULT($ac_cv_have_icmphdr)
+
+if test "$ac_have_icmp" = yes ; then
+ AC_DEFINE(HAVE_ICMP)
+fi
+if test "$ac_have_icmphdr" = yes ; then
+ AC_DEFINE(HAVE_ICMPHDR)
+fi
+
+
+
+########################## end of tests.
+
+
if test \! -z "$includedir" ; then
INCLUDES="-I$includedir"
fi
tab=' '
if test "$have_gl" = yes; then
GL_EXES='$(GL_EXES)'
- GL_KLUDGE=${tab}
+ GL_MEN='$(GL_MEN)'
+ GL_KLUDGE="${tab} "
else
- GL_KLUDGE=' -'${tab}
+ GL_KLUDGE=" -${tab} "
fi
AC_SUBST(INCLUDES)
AC_SUBST(PASSWD_OBJS)
AC_SUBST(XMU_SRCS)
AC_SUBST(XMU_OBJS)
+AC_SUBST(SAVER_GL_SRCS)
+AC_SUBST(SAVER_GL_OBJS)
+AC_SUBST(SAVER_GL_LIBS)
AC_SUBST(LOCK_SRCS)
AC_SUBST(LOCK_OBJS)
AC_SUBST(GL_EXES)
+AC_SUBST(GL_MEN)
AC_SUBST(GL_KLUDGE)
AC_SUBST(HACKDIR)
AC_SUBST(APPDEFAULTS)
warn 'The DPMS extension was requested, but was not found.'
fi
+if test "$with_xf86vmode_req" = yes -a "$have_xf86vmode" = no ; then
+ warn 'The XF86VMODE extension was requested, but was not found.'
+fi
+
if test "$have_motif" = no -a "$have_athena" = no ; then
warnL "Neither Motif nor Athena widgets seem to be available;"
warn2 "the \`xscreensaver-demo' program requires one or the"