Fix copyright.
[rsync/rsync.git] / configure.in
index 060ebc2..4f39943 100644 (file)
@@ -1,33 +1,91 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT(byteorder.h)
+
+AC_INIT()
+AC_CONFIG_SRCDIR([byteorder.h])
 AC_CONFIG_HEADER(config.h)
 AC_PREREQ(2.52)
 
+RSYNC_VERSION=2.5.6cvs
+AC_SUBST(RSYNC_VERSION)
+AC_MSG_NOTICE([Configuring rsync $RSYNC_VERSION])
+
+AC_DEFINE_UNQUOTED(RSYNC_VERSION, ["$RSYNC_VERSION"], [rsync release version])
+
 LDFLAGS=${LDFLAGS-""}
 
-AC_CANONICAL_SYSTEM
-AC_VALIDATE_CACHE_SYSTEM_TYPE
+AC_CANONICAL_TARGET([])
 
-# compile with optimisation and without debugging by default, unless
-# --debug is given.  We must decide this before testing the compiler.
+dnl Checks for programs.
+AC_PROG_CC
+AC_PROG_CPP
+AC_PROG_INSTALL
+AC_PROG_CC_STDC
+AC_SUBST(SHELL)
 
-AC_ARG_ENABLE(debug,
-        [  --enable-debug          including debugging symbols and features])
+AC_DEFINE([_GNU_SOURCE], 1,
+          [Define _GNU_SOURCE so that we get all necessary prototypes])
+
+if test "$xac_cv_prog_cc_stdc" = xno
+then
+       AC_MSG_WARN([rsync requires an ANSI C compiler and you don't seem to have one])
+fi
+
+# We must decide this before testing the compiler.
+
+# Please allow this to default to yes, so that your users have more
+# chance of getting a useful stack trace if problems occur.
 
 AC_MSG_CHECKING([whether to include debugging symbols])
-if test x"$enable_debug" = x"yes"
+AC_ARG_ENABLE(debug,
+       AC_HELP_STRING([--enable-debug],
+               [including debugging symbols and features (default yes)]),
+               [], [])
+
+if test x"$enable_debug" = x"no"
 then
-    AC_MSG_RESULT(yes)
-    # leave CFLAGS alone; AC_PROG_CC will try to include -g if it can
-    AC_DEFINE(DEBUG, 1, [Define to turn on debugging code that may slow normal operation])
-    CFLAGS=${CFLAGS-"-g"}
-else
     AC_MSG_RESULT(no)
     CFLAGS=${CFLAGS-"-O"}
+else
+    AC_MSG_RESULT([yes])
+    # leave CFLAGS alone; AC_PROG_CC will try to include -g if it can
+    dnl AC_DEFINE(DEBUG, 1, [Define to turn on debugging code that may slow normal operation])
+    dnl CFLAGS=${CFLAGS-"-g"}
 fi
 
+
+
+
+AC_ARG_ENABLE(profile,
+       AC_HELP_STRING([--enable-profile],      
+               [turn on CPU profiling (default no)],
+               [], []))
+if test x"$enable_profile" = xyes
+then
+       CFLAGS="$CFLAGS -pg"
+fi
+
+
+# Specifically, this turns on panic_action handling.
+AC_ARG_ENABLE(maintainer-mode,
+       AC_HELP_STRING([--enable-maintainer-mode],      
+               [turn on extra debug features],
+               [], []))
+if test x"$enable_maintainer_mode" = xyes
+then
+       CFLAGS="$CFLAGS -DMAINTAINER_MODE"
+fi
+
+
+# This is needed for our included version of popt.  Kind of silly, but
+# I don't want our version too far out of sync.
 CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
 
+# If GCC, turn on warnings.
+if test "x$GCC" = "xyes"
+then
+       CFLAGS="$CFLAGS -Wall -W"
+fi
+
 AC_ARG_WITH(included-popt,
         [  --with-included-popt    use bundled popt library, not from system])
 
@@ -35,16 +93,26 @@ AC_ARG_WITH(rsync-path,
        [  --with-rsync-path=PATH  set default --rsync-path to PATH (default: \"rsync\")],
        [ RSYNC_PATH="$with_rsync_path" ],
        [ RSYNC_PATH="rsync" ])
-AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [ ])
 
-dnl Checks for programs.
-AC_PROG_CC
-AC_PROG_INSTALL
-AC_SUBST(SHELL)
+AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [location of rsync on remote machine])
+
+AC_ARG_WITH(rsh,
+       AC_HELP_STRING([--with-rsh=CMD], [set rsh command to CMD (default: \"remsh\" or \"rsh\")]))
 
 AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0)
-AC_DEFINE_UNQUOTED(HAVE_REMSH, $HAVE_REMSH, [ ])
+AC_DEFINE_UNQUOTED(HAVE_REMSH, $HAVE_REMSH, [remote shell is remsh not rsh])
 
+if test x"$with_rsh" != x
+then
+       RSYNC_RSH="$with_rsh"
+elif test x"$HAVE_REMSH" = x1
+then 
+       RSYNC_RSH="remsh"
+else
+       RSYNC_RSH="rsh"
+fi
+
+AC_DEFINE_UNQUOTED(RSYNC_RSH, "$RSYNC_RSH", [default -e command])
 
 # arrgh. libc in the current debian stable screws up the largefile
 # stuff, getting byte range locking wrong
@@ -82,7 +150,102 @@ if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
    AC_SYS_LARGEFILE
 fi
 
+ipv6type=unknown
+ipv6lib=none
+ipv6trylibc=yes
 
+AC_ARG_ENABLE(ipv6, 
+       AC_HELP_STRING([--disable-ipv6], [don't even try to use IPv6]))
+
+if test "x$enable_ipv6" != xno
+then
+       AC_MSG_CHECKING([ipv6 stack type])
+       for i in inria kame linux-glibc linux-inet6 toshiba v6d zeta; do
+               case $i in
+               inria)
+                       # http://www.kame.net/
+                       AC_EGREP_CPP(yes, [
+#include <netinet/in.h>
+#ifdef IPV6_INRIA_VERSION
+yes
+#endif],
+                               [ipv6type=$i;
+                               AC_DEFINE(INET6, 1, [true if you have IPv6])
+                               ])
+                       ;;
+               kame)
+                       # http://www.kame.net/
+                       AC_EGREP_CPP(yes, [
+#include <netinet/in.h>
+#ifdef __KAME__
+yes
+#endif],
+                               [ipv6type=$i; 
+                               AC_DEFINE(INET6, 1, [true if you have IPv6])])
+                       ;;
+               linux-glibc)
+                       # http://www.v6.linux.or.jp/
+                       AC_EGREP_CPP(yes, [
+#include <features.h>
+#if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
+yes
+#endif],
+                               [ipv6type=$i;
+AC_DEFINE(INET6, 1, [true if you have IPv6])])
+                       ;;
+               linux-inet6)
+                       # http://www.v6.linux.or.jp/
+                       if test -d /usr/inet6 -o -f /usr/inet6/lib/libinet6.a; then
+                               ipv6type=$i
+                               ipv6lib=inet6
+                               ipv6libdir=/usr/inet6/lib
+                               ipv6trylibc=yes;
+                               AC_DEFINE(INET6, 1, [true if you have IPv6])
+                               CFLAGS="-I/usr/inet6/include $CFLAGS"
+                       fi
+                       ;;
+               toshiba)
+                       AC_EGREP_CPP(yes, [
+#include <sys/param.h>
+#ifdef _TOSHIBA_INET6
+yes
+#endif],
+                               [ipv6type=$i;
+                               ipv6lib=inet6;
+                               ipv6libdir=/usr/local/v6/lib;
+                               AC_DEFINE(INET6, 1, [true if you have IPv6])])
+                       ;;
+               v6d)
+                       AC_EGREP_CPP(yes, [
+#include </usr/local/v6/include/sys/v6config.h>
+#ifdef __V6D__
+yes
+#endif],
+                               [ipv6type=$i;
+                               ipv6lib=v6;
+                               ipv6libdir=/usr/local/v6/lib;
+                               AC_DEFINE(INET6, 1, [true if you have IPv6])])
+                       ;;
+               zeta)
+                       AC_EGREP_CPP(yes, [
+#include <sys/param.h>
+#ifdef _ZETA_MINAMI_INET6
+yes
+#endif],
+                               [ipv6type=$i;
+                               ipv6lib=inet6;
+                               ipv6libdir=/usr/local/v6/lib;
+                               AC_DEFINE(INET6, 1, [true if you have IPv6])])
+                       ;;
+               esac
+               if test "$ipv6type" != "unknown"; then
+                       break
+               fi
+       done
+       AC_MSG_RESULT($ipv6type)
+
+       AC_SEARCH_LIBS(getaddrinfo, inet6)
+fi
 
 AC_C_BIGENDIAN
 AC_HEADER_DIRENT
@@ -90,8 +253,10 @@ AC_HEADER_TIME
 AC_HEADER_SYS_WAIT
 AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h unistd.h utime.h grp.h)
 AC_CHECK_HEADERS(compat.h sys/param.h ctype.h sys/wait.h sys/ioctl.h)
-AC_CHECK_HEADERS(sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h)
-AC_CHECK_HEADERS(glob.h alloca.h mcheck.h)
+AC_CHECK_HEADERS(sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h sys/un.h)
+AC_CHECK_HEADERS(glob.h alloca.h mcheck.h sys/sysctl.h arpa/inet.h arpa/nameser.h)
+AC_CHECK_HEADERS(netdb.h)
+AC_CHECK_HEADERS(malloc.h)
 
 AC_CHECK_SIZEOF(int)
 AC_CHECK_SIZEOF(long)
@@ -106,7 +271,8 @@ AC_TYPE_OFF_T
 AC_TYPE_SIZE_T
 AC_TYPE_PID_T
 AC_TYPE_GETGROUPS
-AC_STRUCT_ST_RDEV
+AC_CHECK_MEMBERS([struct stat.st_rdev])
+
 AC_CHECK_TYPE([ino_t], [unsigned])
 TYPE_SOCKLEN_T
 
@@ -153,7 +319,45 @@ if test x"$ac_cv_func_connect" = x"no"; then
     fi
 fi
 
-# 
+AC_CHECK_LIB(resolv, inet_ntop)
+
+dnl AC_MSG_NOTICE([Looking in libraries: $LIBS])
+
+AC_CHECK_FUNCS(inet_ntop, , AC_LIBOBJ(lib/inet_ntop)) 
+AC_CHECK_FUNCS(inet_pton, , AC_LIBOBJ(lib/inet_pton))
+
+# Tru64 UNIX has getaddrinfo() but has it renamed in libc as
+# something else so we must include <netdb.h> to get the
+# redefinition.
+AC_CHECK_FUNCS(getaddrinfo, ,
+       [AC_MSG_CHECKING([for getaddrinfo by including <netdb.h>])
+       AC_TRY_LINK([#include <sys/types.h>
+       #include <sys/socket.h>
+       #include <netdb.h>],[getaddrinfo(NULL, NULL, NULL, NULL);],
+               [AC_MSG_RESULT([yes])
+               AC_DEFINE(HAVE_GETADDRINFO, 1,
+                       [Define if you have the `getaddrinfo' function.])],
+               [AC_MSG_RESULT([no])
+               AC_LIBOBJ(lib/getaddrinfo)])])
+AC_CHECK_FUNCS(getnameinfo, , AC_LIBOBJ(lib/getnameinfo))
+
+AC_CHECK_MEMBER([struct sockaddr.sa_len], 
+               [ AC_DEFINE(HAVE_SOCKADDR_LEN) ],
+               [],
+               [
+#include <sys/types.h>
+#include <sys/socket.h>
+])
+
+AC_MSG_CHECKING(struct sockaddr_storage)
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/socket.h>],
+[struct sockaddr_storage x;],
+       AC_MSG_RESULT(yes)
+       AC_DEFINE(HAVE_SOCKADDR_STORAGE, 1, 
+               [Define if you have strct sockaddr_storage.] ),
+       AC_MSG_RESULT(no))
+
 # if we can't find strcasecmp, look in -lresolv (for Unixware at least)
 #
 AC_CHECK_FUNCS(strcasecmp)
@@ -161,20 +365,26 @@ if test x"$ac_cv_func_strcasecmp" = x"no"; then
     AC_CHECK_LIB(resolv, strcasecmp)
 fi
 
-AC_FUNC_MEMCMP
+dnl At the moment we don't test for a broken memcmp(), because all we
+dnl need to do is test for equality, not comparison, and it seems that
+dnl every platform has a memcmp that can do at least that.  
+dnl AC_FUNC_MEMCMP
+
 AC_FUNC_UTIME_NULL
-AC_CHECK_FUNCS(waitpid wait4 getcwd strdup strerror chown chmod mknod)
+AC_CHECK_FUNCS(waitpid wait4 getcwd strdup strerror chown chmod mknod mkfifo)
 AC_CHECK_FUNCS(fchmod fstat strchr readlink link utime utimes strftime)
 AC_CHECK_FUNCS(memmove lchown vsnprintf snprintf asprintf setsid glob strpbrk)
-AC_CHECK_FUNCS(strlcat strlcpy mtrace)
+AC_CHECK_FUNCS(strlcat strlcpy mtrace mallinfo setgroups)
 
 AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[
-AC_TRY_RUN([#include <sys/types.h>
-           #include <sys/socket.h>
-           main() {
-               int fd[2];
-               exit((socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1);
-           }],
+AC_TRY_RUN([
+#include <sys/types.h>
+#include <sys/socket.h>
+
+main() {
+       int fd[2];
+       exit((socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1);
+}],
 rsync_cv_HAVE_SOCKETPAIR=yes,rsync_cv_HAVE_SOCKETPAIR=no,rsync_cv_HAVE_SOCKETPAIR=cross)])
 if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then
     AC_DEFINE(HAVE_SOCKETPAIR, 1, [ ])
@@ -378,4 +588,9 @@ AC_SUBST(OBJ_RESTORE)
 AC_SUBST(CC_SHOBJ_FLAG)
 AC_SUBST(BUILD_POPT)
 
-AC_OUTPUT(Makefile lib/dummy zlib/dummy popt/dummy shconfig)
+AC_CONFIG_FILES([Makefile lib/dummy zlib/dummy popt/dummy shconfig])
+AC_OUTPUT
+
+AC_MSG_RESULT()
+AC_MSG_RESULT([    rsync ${RSYNC_VERSION} configuration successful])
+AC_MSG_RESULT()