dnl Process this file with autoconf to produce a configure script.
-AC_PREREQ(2.12)
+dnl $Id$
+AC_PREREQ(2.13)
AC_INIT(citserver.c)
AC_PREFIX_DEFAULT(/usr/local/citadel)
if test "$prefix" = NONE; then
AC_DEFINE_UNQUOTED(BBSDIR, "$prefix")
fi
-AC_ARG_ENABLE(autologin, [ --enable-autologin enable autologin (default is disabled)],[if test "$enableval" = yes; then
- AC_DEFINE(ENABLE_AUTOLOGIN)
-fi])
+AC_ARG_ENABLE(autologin, [ --disable-autologin disable autologin (default is enabled if possible)])
+AC_ARG_ENABLE(chkpwd, [ --disable-chkpwd don't build 'chkpwd'])
-AC_ARG_ENABLE(ansi-color, [ --enable-ansi-color enable ANSI color (default is disabled)],[if test "$enableval" = yes; then
- AC_DEFINE(ANSI_COLOR)
-fi])
+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.
TARGETS=client
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.
+ dnl Also has stupid non-reentrant gethostbyaddr() and friends.
+ *-*-bsdi[123]*)
+ test -z "$CC" -a -x /usr/bin/shlicc2 && CC=shlicc2
+ SO=.mo
+ AC_DEFINE(HAVE_NONREENTRANT_NETDB)
+ ;;
+ *-*-bsdi*)
+ AC_DEFINE(HAVE_NONREENTRANT_NETDB)
+ ;;
+ dnl Digital Unix has an odd way to build for pthreads, and we can't
+ dnl build pthreads programs with gcc due to header problems.
alpha*-dec-osf*)
- dnl We can't use gcc on Digital UNIX due to header file probs
- if test -z "$CC"; then
- CC=cc
+ test -z "$CC" && CC=cc
+ PTHREAD_DEFS=-pthread
+ PTHREAD_LIBS=-pthread
+ check_pthread=no
+ ;;
+ dnl FreeBSD is similar to Digital UNIX:
+ *-*-freebsd*)
+ if test "$with_kthread" = yes; then
+ PTHREAD_LIBS=-kthread
+ else
+ PTHREAD_LIBS=-pthread
fi
- SERVER_LDFLAGS=-pthread
- TARGETS="client server utils serv_modules"
+ check_pthread=no
+ PTHREAD_DEFS=-D_THREAD_SAFE
+ ;;
+ *-*-openbsd*)
+ PTHREAD_LIBS=-pthread
+ check_pthread=no
+ PTHREAD_DEFS=-pthread
+ LINK_SHARED="ld -x -Bshareable"
+ ;;
+ *-*-solaris*)
+ PTHREAD_DEFS="-D_REENTRANT -D_PTHREADS"
;;
esac
dnl Checks for programs.
AC_PROG_CC
+
+dnl Set up system-dependent compiler flags.
if test "$GCC" = yes; then
- CFLAGS="$CFLAGS -Wall -Wstrict-prototypes"
- SERVER_LDFLAGS=-rdynamic
+ case "$host" in
+ *-*-bsdi[123]*)
+ CFLAGS="$CFLAGS -Wall -Wstrict-prototypes"
+ ;;
+ mips*-sgi-irix*)
+ CFLAGS="$CFLAGS -Wall -Wstrict-prototypes"
+ PICFLAGS=-fPIC
+ ;;
+ *-*-solaris*)
+ CFLAGS="$CFLAGS -Wall -Wno-char-subscripts"
+ PICFLAGS=-fPIC
+ ;;
+ *)
+ CFLAGS="$CFLAGS -Wall -Wstrict-prototypes"
+ SERVER_LDFLAGS="$SERVER_LDFLAGS -rdynamic"
+ PICFLAGS=-fPIC
+ ;;
+ esac
fi
AC_PROG_RANLIB
+AC_PROG_INSTALL
+missing_dir=`cd $ac_aux_dir && pwd`
+AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
+
+dnl Checks for system services.
+AC_EXEEXT
dnl Checks for libraries.
-AC_CHECK_LIB(crypt, crypt)
-AC_CHECK_LIB(dl, dlopen)
-AC_CHECK_LIB(gdbm, gdbm_open)
-AC_CHECK_LIB(curses, initscr, CURSES=-lcurses)
-if test "$SERVER_LDFLAGS" != -pthread; then
- AC_CHECK_LIB(pthread, pthread_create, [LIBS="$LIBS -lpthread"
- TARGETS="client server utils serv_modules"])
- AC_CHECK_LIB(pthreads, pthread_create, [LIBS="$LIBS -lpthreads"
- TARGETS="client server utils serv_modules"])
+
+dnl libdl, libgdbm, and libcrypt are only used in the server, so the
+dnl Makefile only passes $(LIBS) to that target. If other programs start
+dnl requiring additional libraries, we'll have to use other variables, as is
+dnl done with curses.
+
+dnl We want to test for the following in libc before checking for their
+dnl respective libraries, because some systems (like Irix) have both, and the
+dnl non-libc versions may be broken.
+AC_CHECK_FUNCS(crypt dlopen gethostbyname connect)
+
+if test "$ac_cv_func_gethostbyname" = no; then
+ AC_CHECK_LIB(nsl, gethostbyname, NETLIBS="-lnsl $NETLIBS")
+fi
+
+if test "$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, [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 "$enable_chkpwd" != no; then
+ AC_DEFINE(ENABLE_CHKPWD)
+ CHKPWD=chkpwd
+ else
+ AUTH=auth.ro
+ fi
+ fi
+fi
+
+test -f /usr/local/lib/libgdbm.a && LDFLAGS="$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
+LIBS=$CURSES
+AC_SEARCH_LIBS(tgetent, [curses termcap])
+AC_SEARCH_LIBS(initscr, [curses ncurses])
+CURSES=$LIBS
+LIBS=$save_LIBS
+
+dnl Check for libpthread(s) if we're not using Digital UNIX or FreeBSD. (On
+dnl which the -pthread flag takes care of this.)
+if test "$check_pthread" != no; then
+ AC_CHECK_LIB(pthread, pthread_create,
+ PTHREAD_LIBS="-lpthread $PTHREAD_LIBS")
+ AC_CHECK_LIB(pthreads, pthread_create,
+ PTHREAD_LIBS="-lpthreads $PTHREAD_LIBS")
fi
dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS(curses.h fcntl.h limits.h termios.h strings.h sys/ioctl.h sys/select.h sys/time.h syslog.h unistd.h)
+test -f /usr/local/include/gdbm.h && CPPFLAGS="$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_HEADER_TIME
AC_STRUCT_TM
+AC_CACHE_CHECK([for ut_type in struct utmp], ac_cv_struct_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 $ac_cv_struct_ut_host = yes; then
+ AC_DEFINE(HAVE_UT_HOST)
+fi
+
dnl Checks for library functions.
AC_FUNC_GETPGRP
AC_PROG_GCC_TRADITIONAL
AC_TYPE_SIGNAL
AC_FUNC_VPRINTF
-AC_CHECK_FUNCS(snprintf mkdir mktime rmdir select socket strerror)
+AC_CHECK_FUNCS(getspnam getutxline mkdir mkfifo mktime rmdir select socket strerror)
+
+dnl Now check for pthreads -- set up variables so that the compiler will be run
+dnl with proper flags for pthread programs
+save_LDFLAGS=$LDFLAGS
+LDFLAGS="$LDFLAGS $SERVER_LDFLAGS"
+save_LIBS=$LIBS
+LIBS="$PTHREAD_LIBS $LIBS"
-if test "$ac_cv_func_snprintf" = no; then
- SNPRINTF=snprintf.o
+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(SNPRINTF)
+AC_SUBST(SERV_ICQ)
+AC_SUBST(PICFLAGS)
+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)
+AC_OUTPUT(Makefile weekly)
projects / citadel.git / blobdiff