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, "$prefix")
11 AC_ARG_ENABLE(autologin, [ --disable-autologin disable autologin (default is enabled if possible)])
13 AC_ARG_ENABLE(ansi-color, [ --enable-ansi-color enable ANSI color (default is disabled)],[if test "$enableval" = yes; then
17 dnl By default, we only build the client (citadel and whobbs) unless we can
18 dnl figure out how to build with POSIX threads.
21 dnl Check for Digital Unix: it has a different way of building for pthreads,
22 dnl and we can't build pthreads programs with gcc due to header problems.
26 if test -z "$CC"; then
29 SERVER_LDFLAGS=-pthread
30 TARGETS="client server utils serv_modules"
34 dnl Checks for programs.
36 if test "$GCC" = yes; then
37 CFLAGS="$CFLAGS -Wall -Wstrict-prototypes"
38 dnl pass -rdynamic to the linker to enable dlopen() modules to
39 dnl refer to symbols in the main executable (applies to citserver)
40 SERVER_LDFLAGS=-rdynamic
44 missing_dir=`cd $ac_aux_dir && pwd`
45 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
47 dnl Checks for libraries.
49 dnl libdl, libgdbm, and libcrypt are only used in the server, so the
50 dnl Makefile only passes $(LIBS) to that target. If other programs start
51 dnl requiring additional libraries, we'll have to use other variables, as is
54 dnl We only need crypt() if we're using autologin. FIXME: implement shadow
55 dnl passwords and/or PAM...
56 if test "$enable_autologin" != no; then
57 AC_CHECK_LIB(crypt, crypt)
60 AC_CHECK_LIB(dl, dlopen)
61 AC_CHECK_LIB(gdbm, gdbm_open)
62 AC_CHECK_LIB(curses, initscr, CURSES=-lcurses)
64 dnl Check for libpthread(s) if we're not using Digital UNIX. (On which the
65 dnl -pthread flag takes care of this.) If we find one of the libraries, then
66 dnl set up the TARGETS variable to build the server as well as the client.
67 if test "$SERVER_LDFLAGS" != -pthread; then
68 AC_CHECK_LIB(pthread, pthread_create, [LIBS="$LIBS -lpthread"
69 TARGETS="client server utils serv_modules"])
70 AC_CHECK_LIB(pthreads, pthread_create, [LIBS="$LIBS -lpthreads"
71 TARGETS="client server utils serv_modules"])
74 dnl Checks for header files.
78 AC_CHECK_HEADERS(curses.h fcntl.h limits.h termios.h strings.h sys/ioctl.h sys/select.h sys/time.h syslog.h unistd.h)
80 dnl Checks for typedefs, structures, and compiler characteristics.
87 dnl Checks for library functions.
89 AC_PROG_GCC_TRADITIONAL
92 AC_CHECK_FUNCS(snprintf mkdir mktime rmdir select socket strerror)
94 dnl Enable autologin if the feature is requested (which is the default) and
95 dnl a crypt() function is available.
96 if test "$enable_autologin" != no; then
97 AC_CHECK_FUNC(crypt, AC_DEFINE(ENABLE_AUTOLOGIN))
100 dnl Tell the Makefile whether we need to use our snprintf() replacement.
101 if test "$ac_cv_func_snprintf" = no; then
105 dnl Done! Now write the Makefile and sysdep.h
108 AC_SUBST(SERVER_LDFLAGS)
110 AC_CONFIG_HEADER(sysdep.h)