fi
AC_ARG_ENABLE(autologin, [ --disable-autologin disable autologin (default is enabled if possible)])
+AC_ARG_ENABLE(chkpwd, [ --disable-chkpwd don't build 'chkpwd'])
+
+AC_ARG_ENABLE(icq, [ --enable-icq include server ICQ support], [
+ if test "x$enableval" = xyes; then
+ SERV_ICQ='modules/serv_icq$(SO)'
+ fi])
+AC_ARG_ENABLE(threaded-client, [ --disable-threaded-client
+ disable multithreaded client])
+
+AC_ARG_WITH(pam, [ --with-pam use PAM if present (see PAM.txt before you try this)])
+AC_ARG_WITH(kthread, [ --with-kthread use kernel threads (on FreeBSD) (not recommended yet)])
dnl By default, we only build the client (citadel and whobbs) unless we can
dnl figure out how to build with POSIX threads.
AC_CANONICAL_HOST
SO=.so
+PTHREAD_DEFS=-D_REENTRANT
+LINK_SHARED='$(CC) -shared'
case "$host" in
dnl BSDI 3.0 wants relocatable object modules instead of shared libs
- dnl for dlopen(), and has a wrapper script to link with shared libs
- i?86-*-bsdi*)
+ dnl for dlopen(), and has a wrapper script to link with shared libs.
+ dnl Also has stupid non-reentrant gethostbyaddr() and friends.
+ *-*-bsdi[123]*)
test -z "$CC" -a -x /usr/bin/shlicc2 && CC=shlicc2
SO=.mo
+ AC_DEFINE(HAVE_NONREENTRANT_NETDB)
;;
- dnl Digital Unix has an odd way to build pthreads, and we can't build
- dnl pthreads programs with gcc due to header problems.
+ *-*-bsdi*)
+ AC_DEFINE(HAVE_NONREENTRANT_NETDB)
+ ;;
+ dnl Digital Unix has an odd way to build for pthreads, and we can't
+ dnl build pthreads programs with gcc due to header problems.
alpha*-dec-osf*)
test -z "$CC" && CC=cc
- SERVER_LDFLAGS=-pthread
+ PTHREAD_DEFS=-pthread
+ PTHREAD_LIBS=-pthread
+ check_pthread=no
+ ;;
+ dnl FreeBSD is similar to Digital UNIX:
+ *-*-freebsd*)
+ if test "$with_kthread" = yes; then
+ PTHREAD_LIBS=-kthread
+ else
+ PTHREAD_LIBS=-pthread
+ fi
+ check_pthread=no
+ PTHREAD_DEFS=-D_THREAD_SAFE
;;
- *-*-cygwin32)
- SUFFIX=.exe
+ *-*-openbsd*)
+ PTHREAD_LIBS=-pthread
+ check_pthread=no
+ PTHREAD_DEFS=-pthread
+ LINK_SHARED="ld -x -Bshareable"
+ ;;
+ *-*-solaris*)
+ PTHREAD_DEFS="-D_REENTRANT -D_PTHREADS"
;;
esac
dnl Set up system-dependent compiler flags.
if test "$GCC" = yes; then
- CFLAGS="$CFLAGS -Wall -Wstrict-prototypes"
case "$host" in
- i?86-*-bsdi*)
+ *-*-bsdi[123]*)
+ CFLAGS="$CFLAGS -Wall -Wstrict-prototypes"
;;
mips*-sgi-irix*)
+ CFLAGS="$CFLAGS -Wall -Wstrict-prototypes"
+ PICFLAGS=-fPIC
+ ;;
+ *-*-solaris*)
+ CFLAGS="$CFLAGS -Wall -Wno-char-subscripts"
PICFLAGS=-fPIC
;;
*)
- SERVER_LDFLAGS=-rdynamic
+ CFLAGS="$CFLAGS -Wall -Wstrict-prototypes"
+ SERVER_LDFLAGS="$SERVER_LDFLAGS -rdynamic"
PICFLAGS=-fPIC
;;
esac
fi
AC_PROG_RANLIB
AC_PROG_INSTALL
+AC_PROG_YACC
missing_dir=`cd $ac_aux_dir && pwd`
AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
+dnl Checks for system services.
+AC_EXEEXT
+
dnl Checks for libraries.
dnl libdl, libgdbm, and libcrypt are only used in the server, so the
dnl requiring additional libraries, we'll have to use other variables, as is
dnl done with curses.
-dnl We want to test for crypt() and dlopen() in libc before checking for
-dnl -lcrypt and -ldl, because some systems (like Irix) have both.
-AC_CHECK_FUNCS(crypt dlopen)
+dnl We want to test for the following in libc before checking for their
+dnl respective libraries, because some systems (like Irix) have both, and the
+dnl non-libc versions may be broken.
+AC_CHECK_FUNCS(crypt dlopen gethostbyname connect)
-dnl We only need crypt() if we're using autologin. FIXME: implement shadow
-dnl passwords and/or PAM...
-if test "$enable_autologin" != no -a "$ac_cv_func_crypt" = no; then
- AC_CHECK_LIB(crypt, crypt)
+if test "$ac_cv_func_gethostbyname" = no; then
+ AC_CHECK_LIB(nsl, gethostbyname, NETLIBS="-lnsl $NETLIBS")
fi
-dnl Enable autologin if the feature is requested (which is the default) and
-dnl a crypt() functin is available.
-if test "$enable_autologin" != no -a \( "$ac_cv_func_crypt" = yes -o "$ac_cv_lib_crypt_crypt" = yes \); then
- AC_DEFINE(ENABLE_AUTOLOGIN)
+if test "$ac_cv_func_connect" = no; then
+ AC_CHECK_LIB(socket, connect, NETLIBS="-lsocket $NETLIBS",, $NETLIBS)
fi
if test "$ac_cv_func_dlopen" = no; then
- AC_CHECK_LIB(dl, dlopen)
+ AC_CHECK_LIB(dl, dlopen, [LIBS="-ldl $LIBS"
+ test "$with_pam" = yes && chkpwd_LIBS="-ldl $chkpwd_LIBS"])
+fi
+
+dnl Determine the system's authentication capabilities, if autologin is
+dnl requested. We currently support PAM, standard getpwnam(), and getspnam()
+dnl (Linux shadow passwords)
+if test "$enable_autologin" != no; then
+ if test "$with_pam" = yes; then
+ save_LIBS=$LIBS
+ AC_CHECK_LIB(pam, pam_start, [chkpwd_LIBS="-lpam $chkpwd_LIBS"
+ LIBS="-lpam $LIBS"])
+ AC_CHECK_FUNCS(pam_start)
+ test "$enable_chkpwd" != no && LIBS=$save_LIBS
+ fi
+ if test "$ac_cv_func_pam_start" = no -o "$with_pam" != yes; then
+ save_LIBS=$LIBS
+ AC_SEARCH_LIBS(getspnam, shadow, [
+ if test "$ac_cv_search_getspnam" = -lshadow; then
+ chkpwd_LIBS="-lshadow $chkpwd_LIBS"
+ fi])
+ test "$enable_chkpwd" != no && LIBS=$save_LIBS
+ if test "$ac_cv_func_crypt" = no; then
+ AC_CHECK_LIB(crypt, crypt, [
+ chkpwd_LIBS="-lcrypt $chkpwd_LIBS"
+ test "$enable_chkpwd" = no && \
+ LIBS="-lcrypt $LIBS"])
+ fi
+ fi
+ if test "$ac_cv_func_crypt" = yes -o "$ac_cv_lib_crypt_crypt" = yes -o "$ac_cv_func_pam_start" = yes; then
+ AC_DEFINE(ENABLE_AUTOLOGIN)
+ if test "$enable_chkpwd" != no; then
+ AC_DEFINE(ENABLE_CHKPWD)
+ CHKPWD=chkpwd
+ else
+ AUTH=auth.ro
+ fi
+ fi
fi
-AC_CHECK_LIB(gdbm, gdbm_open)
+test -f /usr/local/lib/libgdbm.a && LDFLAGS="$LDFLAGS -L/usr/local/lib"
+AC_CHECK_LIB(gdbm, gdbm_open, GDBM="$GDBM -lgdbm")
+
+test -f /usr/local/lib/libresolv.a && LDFLAGS="$LDFLAGS -L/usr/local/lib"
+AC_CHECK_LIB(resolv, res_query, RESOLV="$RESOLV -lresolv")
save_LIBS=$LIBS
-AC_CHECK_LIB(termcap, tgetent, [LIBS="$LIBS -ltermcap"
- CURSES=-ltermcap])
-AC_CHECK_LIB(curses, initscr, CURSES="-lcurses $CURSES")
+LIBS=$CURSES
+AC_SEARCH_LIBS(tgetent, [curses termcap])
+AC_SEARCH_LIBS(initscr, [curses ncurses])
+CURSES=$LIBS
LIBS=$save_LIBS
-dnl Check for libpthread(s) if we're not using Digital UNIX. (On which the
-dnl -pthread flag takes care of this.)
-if test "$SERVER_LDFLAGS" != -pthread; then
- AC_CHECK_LIB(pthread, pthread_create)
- AC_CHECK_LIB(pthreads, pthread_create)
+dnl Check for libpthread(s) if we're not using Digital UNIX or FreeBSD. (On
+dnl which the -pthread flag takes care of this.)
+if test "$check_pthread" != no; then
+ AC_CHECK_LIB(pthread, pthread_create,
+ PTHREAD_LIBS="-lpthread $PTHREAD_LIBS")
+ AC_CHECK_LIB(pthreads, pthread_create,
+ PTHREAD_LIBS="-lpthreads $PTHREAD_LIBS")
fi
dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS(curses.h fcntl.h limits.h termios.h strings.h sys/ioctl.h sys/select.h sys/time.h syslog.h unistd.h pthread.h gdbm.h utmp.h)
+test -f /usr/local/include/gdbm.h && CPPFLAGS="$CPPFLAGS -I/usr/local/include"
+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 gdbm.h utmp.h utmpx.h paths.h)
+
+dnl some systems require -pthread, -D_REENTRANT, etc to be passed to cc if we
+dnl include pthread.h:
+save_CPPFLAGS=$CPPFLAGS
+CPPFLAGS="$CPPFLAGS $PTHREAD_DEFS"
+AC_CHECK_HEADERS(pthread.h)
+CPPFLAGS=$save_CPPFLAGS
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_STRUCT_TM
AC_CACHE_CHECK([for ut_type in struct utmp], ac_cv_struct_ut_type,
-[AC_TRY_COMPILE([#include <utmp.h>], [struct utmp ut; ut.ut_type;],
+[AC_TRY_COMPILE([#include <sys/types.h>
+#include <utmp.h>], [struct utmp ut; ut.ut_type;],
ac_cv_struct_ut_type=yes, ac_cv_struct_ut_type=no)])
if test $ac_cv_struct_ut_type = yes; then
AC_DEFINE(HAVE_UT_TYPE)
fi
+AC_CACHE_CHECK([for ut_host in struct utmp], ac_cv_struct_ut_host,
+[AC_TRY_COMPILE([#include <sys/types.h>
+#include <utmp.h>], [struct utmp ut; ut.ut_host;],
+ac_cv_struct_ut_host=yes, ac_cv_struct_ut_host=no)])
+if test $ac_cv_struct_ut_host = yes; then
+ AC_DEFINE(HAVE_UT_HOST)
+fi
+
dnl Checks for library functions.
AC_FUNC_GETPGRP
AC_PROG_GCC_TRADITIONAL
AC_TYPE_SIGNAL
AC_FUNC_VPRINTF
-AC_CHECK_FUNCS(mkdir mkfifo mktime pthread_cancel rmdir select socket strerror)
-AC_CHECK_FUNC(pthread_create, TARGETS="client server utils serv_modules")
+AC_CHECK_FUNCS(getspnam getutxline mkdir mkfifo mktime rmdir select socket strerror)
+
+dnl Now check for pthreads -- set up variables so that the compiler will be run
+dnl with proper flags for pthread programs
+save_LDFLAGS=$LDFLAGS
+LDFLAGS="$LDFLAGS $SERVER_LDFLAGS"
+save_LIBS=$LIBS
+LIBS="$PTHREAD_LIBS $LIBS"
+
+dnl On some platforms, AC_CHECK_FUNC[S] doesn't work for pthreads programs;
+dnl we need to include pthread.h
+dnl AC_CHECK_FUNCS(pthread_cancel)
+
+AC_CACHE_CHECK([for pthread_cancel], ac_cv_func_pthread_cancel,
+[AC_TRY_LINK([#include <pthread.h>],
+[ pthread_t thread;
+
+ /* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
+ choke me
+#else
+ pthread_cancel(thread);
+#endif],
+ac_cv_func_pthread_cancel=yes, ac_cv_func_pthread_cancel=no)])
+if test "$ac_cv_func_pthread_cancel" = yes; then
+ AC_DEFINE(HAVE_PTHREAD_CANCEL)
+fi
+
+dnl AC_CHECK_FUNC(pthread_create, TARGETS="client server utils serv_modules")
+
+AC_CACHE_CHECK([for pthread_create], ac_cv_func_pthread_create,
+[AC_TRY_LINK([#include <pthread.h>],
+[ /* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
+ choke me
+#else
+ pthread_create(NULL, NULL, NULL, NULL);
+#endif],
+ac_cv_func_pthread_create=yes, ac_cv_func_pthread_create=no)])
+if test "$ac_cv_func_pthread_create" = yes; then
+ TARGETS="client server utils serv_modules"
+ if test "x$enable_threaded_client" != xno; then
+ AC_DEFINE(THREADED_CLIENT)
+ CLIENT_PTLIBS=$PTHREAD_LIBS
+ CL_LIBOBJS='$(LIBOBJS:.o=.ro)'
+ CX=.ro
+ fi
+fi
+
+if test "x$CX" != x.ro; then
+ CL_LIBOBJS='$(LIBOBJS)'
+ CX=.o
+fi
+
+dnl Now restore the old ldflags so we don't pass the wrong stuff to makefile
+LDFLAGS=$save_LDFLAGS
+LIBS=$save_LIBS
+
AC_REPLACE_FUNCS(snprintf getutline)
dnl Done! Now write the Makefile and sysdep.h
+AC_SUBST(AUTH)
AC_SUBST(SO)
+AC_SUBST(CHKPWD)
AC_SUBST(CURSES)
+AC_SUBST(GDBM)
+AC_SUBST(RESOLV)
+AC_SUBST(NETLIBS)
+AC_SUBST(chkpwd_LIBS)
AC_SUBST(TARGETS)
AC_SUBST(SERVER_LDFLAGS)
+AC_SUBST(SERV_ICQ)
AC_SUBST(PICFLAGS)
-AC_SUBST(SUFFIX)
+AC_SUBST(LINK_SHARED)
+AC_SUBST(PTHREAD_DEFS)
+AC_SUBST(PTHREAD_LIBS)
+AC_SUBST(CLIENT_PTLIBS)
+AC_SUBST(CL_LIBOBJS)
+AC_SUBST(CX)
AC_CONFIG_HEADER(sysdep.h)
AC_OUTPUT(Makefile weekly)