1 dnl Process this file with autoconf to produce a configure script.
4 AC_PREFIX_DEFAULT(/usr/local/citadel)
5 if test "$prefix" = NONE; then
6 AC_DEFINE_UNQUOTED(BBSDIR, "$ac_default_prefix")
8 AC_DEFINE_UNQUOTED(BBSDIR, "$prefix")
11 AC_ARG_ENABLE(autologin, [ --disable-autologin disable autologin (default is enabled if possible)])
13 dnl By default, we only build the client (citadel and whobbs) unless we can
14 dnl figure out how to build with POSIX threads.
17 dnl Check for Digital Unix: it has a different way of building for pthreads,
18 dnl and we can't build pthreads programs with gcc due to header problems.
22 if test -z "$CC"; then
25 SERVER_LDFLAGS=-pthread
26 TARGETS="client server utils serv_modules"
30 dnl Checks for programs.
32 if test "$GCC" = yes; then
33 CFLAGS="$CFLAGS -Wall -Wstrict-prototypes"
34 dnl pass -rdynamic to the linker to enable dlopen() modules to
35 dnl refer to symbols in the main executable (applies to citserver)
36 SERVER_LDFLAGS=-rdynamic
41 missing_dir=`cd $ac_aux_dir && pwd`
42 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
44 dnl Checks for libraries.
46 dnl libdl, libgdbm, and libcrypt are only used in the server, so the
47 dnl Makefile only passes $(LIBS) to that target. If other programs start
48 dnl requiring additional libraries, we'll have to use other variables, as is
51 dnl We only need crypt() if we're using autologin. FIXME: implement shadow
52 dnl passwords and/or PAM...
53 if test "$enable_autologin" != no; then
54 AC_CHECK_LIB(crypt, crypt)
57 AC_CHECK_LIB(dl, dlopen)
58 AC_CHECK_LIB(gdbm, gdbm_open)
59 AC_CHECK_LIB(curses, initscr, CURSES=-lcurses)
61 dnl Check for libpthread(s) if we're not using Digital UNIX. (On which the
62 dnl -pthread flag takes care of this.) If we find one of the libraries, then
63 dnl set up the TARGETS variable to build the server as well as the client.
64 if test "$SERVER_LDFLAGS" != -pthread; then
65 AC_CHECK_LIB(pthread, pthread_create, [LIBS="$LIBS -lpthread"
66 TARGETS="client server utils serv_modules"])
67 AC_CHECK_LIB(pthreads, pthread_create, [LIBS="$LIBS -lpthreads"
68 TARGETS="client server utils serv_modules"])
71 dnl Checks for header files.
75 AC_CHECK_HEADERS(curses.h fcntl.h limits.h termios.h strings.h sys/ioctl.h sys/select.h sys/time.h syslog.h unistd.h)
77 dnl Checks for typedefs, structures, and compiler characteristics.
84 dnl Checks for library functions.
86 AC_PROG_GCC_TRADITIONAL
89 AC_CHECK_FUNCS(snprintf mkdir mktime rmdir select socket strerror)
91 dnl Enable autologin if the feature is requested (which is the default) and
92 dnl a crypt() function is available.
93 if test "$enable_autologin" != no; then
94 AC_CHECK_FUNC(crypt, AC_DEFINE(ENABLE_AUTOLOGIN))
97 dnl Tell the Makefile whether we need to use our snprintf() replacement.
98 if test "$ac_cv_func_snprintf" = no; then
102 dnl Done! Now write the Makefile and sysdep.h
105 AC_SUBST(SERVER_LDFLAGS)
108 AC_CONFIG_HEADER(sysdep.h)
109 AC_OUTPUT(Makefile weekly)