Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1010 insertions, 0 deletions

diff --git a/lib/replace/wscript b/lib/replace/wscript
new file mode 100644
index 0000000..77e655b
--- /dev/null
+++ b/lib/replace/wscript
@@ -0,0 +1,1010 @@
+#!/usr/bin/env python
+
+APPNAME = 'libreplace'
+VERSION = '1.2.1'
+
+import sys
+import os
+
+# find the buildtools directory
+top = '.'
+while not os.path.exists(top+'/buildtools') and len(top.split('/')) < 5:
+    top = top + '/..'
+sys.path.insert(0, top + '/buildtools/wafsamba')
+
+out = 'bin'
+
+import wafsamba
+from wafsamba import samba_dist
+from waflib import Options, Utils, Logs, Context
+
+samba_dist.DIST_DIRS('lib/replace buildtools:buildtools third_party/waf:third_party/waf')
+
+def options(opt):
+    opt.BUILTIN_DEFAULT('NONE')
+    opt.PRIVATE_EXTENSION_DEFAULT('')
+    opt.RECURSE('buildtools/wafsamba')
+
+@Utils.run_once
+def configure(conf):
+    conf.RECURSE('buildtools/wafsamba')
+
+    conf.env.standalone_replace = conf.IN_LAUNCH_DIR()
+
+    if sys.platform.rfind('linux') > -1:
+        conf.DEFINE('LINUX', '1')
+
+    conf.DEFINE('BOOL_DEFINED', 1)
+    conf.DEFINE('HAVE_LIBREPLACE', 1)
+    conf.DEFINE('LIBREPLACE_NETWORK_CHECKS', 1)
+
+    conf.CHECK_HEADERS('linux/types.h crypt.h locale.h acl/libacl.h compat.h')
+    conf.CHECK_HEADERS('acl/libacl.h attr/xattr.h compat.h ctype.h dustat.h')
+    conf.CHECK_HEADERS('fcntl.h fnmatch.h glob.h history.h krb5.h langinfo.h')
+    conf.CHECK_HEADERS('locale.h ndir.h pwd.h')
+    conf.CHECK_HEADERS('shadow.h sys/acl.h')
+    conf.CHECK_HEADERS('sys/attributes.h attr/attributes.h sys/capability.h sys/dir.h sys/epoll.h')
+    conf.CHECK_HEADERS('sys/fcntl.h sys/filio.h sys/filsys.h sys/fs/s5param.h')
+    conf.CHECK_HEADERS('sys/id.h sys/ioctl.h sys/ipc.h sys/mman.h sys/mode.h sys/ndir.h sys/priv.h')
+    conf.CHECK_HEADERS('sys/resource.h sys/security.h sys/shm.h sys/statfs.h sys/statvfs.h sys/termio.h')
+    conf.CHECK_HEADERS('sys/vfs.h sys/xattr.h termio.h termios.h sys/file.h')
+    conf.CHECK_HEADERS('sys/ucontext.h sys/wait.h sys/stat.h')
+
+    if not conf.CHECK_DECLS('malloc', headers='stdlib.h'):
+        conf.CHECK_HEADERS('malloc.h')
+
+    conf.CHECK_HEADERS('grp.h')
+    conf.CHECK_HEADERS('sys/select.h setjmp.h utime.h sys/syslog.h syslog.h')
+    conf.CHECK_HEADERS('stdarg.h vararg.h sys/mount.h mntent.h')
+    conf.CHECK_HEADERS('stropts.h unix.h string.h strings.h sys/param.h limits.h')
+    conf.CHECK_HEADERS('''sys/socket.h netinet/in.h netdb.h arpa/inet.h netinet/in_systm.h
+                          netinet/ip.h netinet/tcp.h netinet/in_ip.h
+                          sys/sockio.h sys/un.h''', together=True)
+    conf.CHECK_HEADERS('sys/uio.h ifaddrs.h direct.h dirent.h')
+    conf.CHECK_HEADERS('windows.h winsock2.h ws2tcpip.h')
+    conf.CHECK_HEADERS('errno.h')
+    conf.CHECK_HEADERS('getopt.h iconv.h')
+    conf.CHECK_HEADERS('memory.h nss.h sasl/sasl.h')
+    conf.CHECK_HEADERS('linux/openat2.h')
+
+    conf.CHECK_FUNCS_IN('inotify_init', 'inotify', checklibc=True,
+                        headers='sys/inotify.h')
+
+    conf.CHECK_HEADERS('security/pam_appl.h zlib.h asm/unistd.h')
+    conf.CHECK_HEADERS('sys/unistd.h alloca.h float.h')
+
+    conf.SET_TARGET_TYPE('tirpc', 'EMPTY')
+
+    if conf.CHECK_CODE(
+            '\n#ifndef _TIRPC_RPC_H\n#error "no tirpc headers in system path"\n#endif\n',
+            'HAVE_RPC_RPC_HEADERS',
+            headers=['rpc/rpc.h', 'rpc/nettype.h'],
+            msg='Checking for tirpc rpc headers in default system path'):
+        if conf.CONFIG_SET('HAVE_RPC_RPC_H'):
+            conf.undefine('HAVE_RPC_RPC_H')
+
+    if not conf.CONFIG_SET('HAVE_RPC_RPC_H'):
+        if conf.CHECK_CFG(package='libtirpc', args='--cflags --libs',
+                       msg='Checking for libtirpc headers',
+                       uselib_store='TIRPC'):
+            conf.CHECK_HEADERS('rpc/rpc.h rpc/nettype.h', lib='tirpc', together=True)
+            conf.SET_TARGET_TYPE('tirpc', 'SYSLIB')
+    if not conf.CONFIG_SET('HAVE_RPC_RPC_H'):
+        if conf.CHECK_CFG(package='libntirpc', args='--cflags',
+                       msg='Checking for libntirpc headers',
+                       uselib_store='TIRPC'):
+            conf.CHECK_HEADERS('rpc/rpc.h rpc/nettype.h', lib='tirpc', together=True)
+            conf.SET_TARGET_TYPE('tirpc', 'SYSLIB')
+    if not conf.CONFIG_SET('HAVE_RPC_RPC_H'):
+            Logs.warn('No rpc/rpc.h header found, tirpc or libntirpc missing?')
+
+    # This file is decprecated with glibc >= 2.30 so we need to check if it
+    # includes a deprecation warning:
+    # #warning "The <sys/sysctl.h> header is deprecated and will be removed."
+    conf.CHECK_CODE('''
+                    #include <sys/sysctl.h>
+                    int main(void) { return 0; }
+                    ''',
+                    define='HAVE_SYS_SYSCTL_H',
+                    cflags=['-Werror=cpp'],
+                    addmain=False,
+                    msg='Checking for header sys/sysctl.h')
+
+    conf.CHECK_HEADERS('sys/fileio.h sys/filesys.h sys/dustat.h sys/sysmacros.h')
+    conf.CHECK_HEADERS('xfs/libxfs.h netgroup.h')
+
+    conf.CHECK_HEADERS('valgrind.h valgrind/valgrind.h')
+    conf.CHECK_HEADERS('valgrind/memcheck.h valgrind/helgrind.h valgrind/callgrind.h')
+    conf.CHECK_HEADERS('nss_common.h nsswitch.h ns_api.h')
+    conf.CHECK_HEADERS('sys/extattr.h sys/ea.h sys/proplist.h sys/cdefs.h')
+    conf.CHECK_HEADERS('utmp.h utmpx.h lastlog.h')
+    conf.CHECK_HEADERS('syscall.h sys/syscall.h inttypes.h')
+    conf.CHECK_HEADERS('sys/atomic.h stdatomic.h')
+    conf.CHECK_HEADERS('libgen.h')
+
+    if conf.CHECK_CFLAGS('-Wno-format-truncation'):
+        conf.define('HAVE_WNO_FORMAT_TRUNCATION', '1')
+
+    if conf.CHECK_CFLAGS('-Wno-unused-function'):
+        conf.define('HAVE_WNO_UNUSED_FUNCTION', '1')
+
+    if conf.CHECK_CFLAGS('-Wno-strict-overflow'):
+        conf.define('HAVE_WNO_STRICT_OVERFLOW', '1')
+
+    if conf.CHECK_CFLAGS('-Wno-unused-but-set-variable'):
+        conf.define('HAVE_WNO_UNUSED_BUT_SET_VARIABLE', '1')
+
+    if conf.CHECK_CFLAGS('-Wuse-after-free=1'):
+        conf.define('HAVE_WUSE_AFTER_FREE_1', '1')
+
+    # Check for process set name support
+    conf.CHECK_CODE('''
+                    #include <sys/prctl.h>
+                    int main(void) {
+                        prctl(0);
+                        return 0;
+                    }
+                    ''',
+                    'HAVE_PRCTL',
+                    addmain=False,
+                    headers='sys/prctl.h',
+                    msg='Checking for prctl syscall')
+
+    conf.CHECK_CODE('''
+                    #include <unistd.h>
+                    #ifdef HAVE_FCNTL_H
+                    #include <fcntl.h>
+                    #endif
+                    int main(void) { int fd = open("/dev/null", O_DIRECT); }
+                    ''',
+                    define='HAVE_OPEN_O_DIRECT',
+                    addmain=False,
+                    msg='Checking for O_DIRECT flag to open(2)')
+
+    conf.CHECK_TYPES('"long long" intptr_t uintptr_t ptrdiff_t comparison_fn_t')
+    if not conf.CHECK_TYPE('bool', define='HAVE_BOOL', headers='stdbool.h'):
+            raise Errors.WafError('Samba requires a genuine boolean type')
+
+    conf.CHECK_TYPE('int8_t', 'char')
+    conf.CHECK_TYPE('uint8_t', 'unsigned char')
+    conf.CHECK_TYPE('int16_t', 'short')
+    conf.CHECK_TYPE('uint16_t', 'unsigned short')
+    conf.CHECK_TYPE('int32_t', 'int')
+    conf.CHECK_TYPE('uint32_t', 'unsigned')
+    conf.CHECK_TYPE('int64_t', 'long long')
+    conf.CHECK_TYPE('uint64_t', 'unsigned long long')
+    conf.CHECK_TYPE('size_t', 'unsigned int')
+    conf.CHECK_TYPE('ssize_t', 'int')
+    conf.CHECK_TYPE('ino_t', 'unsigned')
+    conf.CHECK_TYPE('loff_t', 'off_t')
+    conf.CHECK_TYPE('offset_t', 'loff_t')
+    conf.CHECK_TYPE('volatile int', define='HAVE_VOLATILE')
+    conf.CHECK_TYPE('uint_t', 'unsigned int')
+    conf.CHECK_TYPE('blksize_t', 'long', headers='sys/types.h sys/stat.h unistd.h')
+    conf.CHECK_TYPE('blkcnt_t', 'long', headers='sys/types.h sys/stat.h unistd.h')
+
+    conf.CHECK_SIZEOF('bool char int "long long" long short size_t ssize_t')
+    sizeof_int = conf.env["SIZEOF_INT"]
+    if sizeof_int < 4:
+        conf.fatal(f"Samba won't work with int of size {sizeof_int} (requires >= 4)")
+
+    conf.CHECK_SIZEOF('int8_t uint8_t int16_t uint16_t int32_t uint32_t int64_t uint64_t')
+    conf.CHECK_SIZEOF('void*', define='SIZEOF_VOID_P')
+    conf.CHECK_SIZEOF('off_t dev_t ino_t time_t')
+
+    conf.CHECK_TYPES('socklen_t', headers='sys/socket.h')
+    conf.CHECK_TYPE_IN('struct ifaddrs', 'ifaddrs.h')
+    conf.CHECK_TYPE_IN('struct addrinfo', 'netdb.h')
+    conf.CHECK_TYPE_IN('struct sockaddr', 'sys/socket.h')
+    conf.CHECK_CODE('struct sockaddr_in6 x', define='HAVE_STRUCT_SOCKADDR_IN6',
+                    headers='sys/socket.h netdb.h netinet/in.h')
+    conf.CHECK_TYPE_IN('struct sockaddr_storage', 'sys/socket.h')
+    conf.CHECK_TYPE_IN('sa_family_t', 'sys/socket.h')
+
+    conf.CHECK_TYPE_IN('sig_atomic_t', 'signal.h', define='HAVE_SIG_ATOMIC_T_TYPE')
+    conf.CHECK_FUNCS('sigsetmask siggetmask sigprocmask sigblock sigaction sigset')
+
+    # Those functions are normally available in libc
+    if not conf.CHECK_FUNCS('''
+                            inet_ntoa
+                            inet_aton
+                            inet_ntop
+                            inet_pton
+                            connect
+                            gethostbyname
+                            getaddrinfo
+                            getnameinfo
+                            freeaddrinfo
+                            gai_strerror
+                            socketpair''',
+                            headers='sys/socket.h netinet/in.h arpa/inet.h netdb.h'):
+        conf.CHECK_FUNCS_IN('''
+                            inet_ntoa
+                            inet_aton
+                            inet_ntop
+                            inet_pton
+                            connect
+                            gethostbyname
+                            getaddrinfo
+                            getnameinfo
+                            freeaddrinfo
+                            gai_strerror
+                            socketpair''',
+                            'socket nsl',
+                            headers='sys/socket.h netinet/in.h arpa/inet.h netdb.h')
+        conf.DEFINE('REPLACE_REQUIRES_LIBSOCKET_LIBNSL', 1)
+
+    conf.CHECK_FUNCS('memset_s memset_explicit')
+
+    conf.CHECK_CODE('''
+                    #include <string.h>
+
+                    int main(void)
+                    {
+                        char buf[] = "This is some content";
+                        memset(buf, '\0', sizeof(buf)); __asm__ volatile("" : : "g"(&buf) : "memory");
+                        return 0;
+                    }
+                    ''',
+                    define='HAVE_GCC_VOLATILE_MEMORY_PROTECTION',
+                    addmain=False,
+                    msg='Checking for volatile memory protection',
+                    local_include=False)
+
+    # Some old Linux systems have broken header files and
+    # miss the IPV6_V6ONLY define in netinet/in.h,
+    # but have it in linux/in6.h.
+    # We can't include both files so we just check if the value
+    # if defined and do the replacement in system/network.h
+    if not conf.CHECK_VARIABLE('IPV6_V6ONLY',
+                               headers='sys/socket.h netdb.h netinet/in.h'):
+        conf.CHECK_CODE('''
+                        #include <linux/in6.h>
+                        #if (IPV6_V6ONLY != 26)
+                        #error no IPV6_V6ONLY support on linux
+                        #endif
+                        int main(void) { return IPV6_V6ONLY; }
+                        ''',
+                        define='HAVE_LINUX_IPV6_V6ONLY_26',
+                        addmain=False,
+                        msg='Checking for IPV6_V6ONLY in linux/in6.h',
+                        local_include=False)
+
+    conf.CHECK_CODE('''
+                       struct sockaddr_storage sa_store;
+                       struct addrinfo *ai = NULL;
+                       struct in6_addr in6addr;
+                       int idx = if_nametoindex("iface1");
+                       int s = socket(AF_INET6, SOCK_STREAM, 0);
+                       int ret = getaddrinfo(NULL, NULL, NULL, &ai);
+                       if (ret != 0) {
+                           const char *es = gai_strerror(ret);
+                       }
+                       freeaddrinfo(ai);
+                       {
+                          int val = 1;
+                          #ifdef HAVE_LINUX_IPV6_V6ONLY_26
+                          #define IPV6_V6ONLY 26
+                          #endif
+                          ret = setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,
+                                           (const void *)&val, sizeof(val));
+                       }
+                       ''',
+                    define='HAVE_IPV6',
+                    lib='nsl socket',
+                    headers='sys/socket.h netdb.h netinet/in.h net/if.h')
+
+    if conf.CONFIG_SET('HAVE_SYS_UCONTEXT_H') and conf.CONFIG_SET('HAVE_SIGNAL_H'):
+        conf.CHECK_CODE('''
+                       ucontext_t uc;
+                       sigaddset(&uc.uc_sigmask, SIGUSR1);
+                       ''',
+                       'HAVE_UCONTEXT_T',
+                       msg="Checking whether we have ucontext_t",
+                       headers='signal.h sys/ucontext.h')
+
+    # Check for atomic builtins. */
+    conf.CHECK_CODE('''
+                    int i;
+                    (void)__sync_fetch_and_add(&i, 1);
+                    ''',
+                    'HAVE___SYNC_FETCH_AND_ADD',
+                    msg='Checking for __sync_fetch_and_add compiler builtin')
+
+    conf.CHECK_CODE('''
+                    int i;
+                    (void)__sync_add_and_fetch(&i, 1);
+                    ''',
+                    'HAVE___SYNC_ADD_AND_FETCH',
+                    msg='Checking for __sync_add_and_fetch compiler builtin')
+
+    conf.CHECK_CODE('''
+                    int32_t i;
+                    atomic_add_32(&i, 1);
+                    ''',
+                    'HAVE_ATOMIC_ADD_32',
+                    headers='stdint.h sys/atomic.h',
+                    msg='Checking for atomic_add_32 compiler builtin')
+
+    conf.CHECK_CODE('''
+                    uint32_t i,j;
+                    j = __atomic_add_fetch(&i,1,__ATOMIC_SEQ_CST)
+                    ''',
+                    'HAVE___ATOMIC_ADD_FETCH',
+                    headers='stdint.h',
+                    msg='Checking for __atomic_add_fetch compiler builtin')
+
+    conf.CHECK_CODE('''
+                    uint32_t i,j;
+                    __atomic_load(&i,&j,__ATOMIC_SEQ_CST)
+                    ''',
+                    'HAVE___ATOMIC_ADD_LOAD',
+                    headers='stdint.h',
+                    msg='Checking for __atomic_load compiler builtin')
+
+    # Check for thread fence. */
+    tf = conf.CHECK_CODE('atomic_thread_fence(memory_order_seq_cst);',
+                         'HAVE_ATOMIC_THREAD_FENCE',
+                         headers='stdatomic.h',
+                         msg='Checking for atomic_thread_fence(memory_order_seq_cst) in stdatomic.h')
+    if not tf:
+        tf = conf.CHECK_CODE('__atomic_thread_fence(__ATOMIC_SEQ_CST);',
+                             'HAVE___ATOMIC_THREAD_FENCE',
+                             msg='Checking for __atomic_thread_fence(__ATOMIC_SEQ_CST)')
+    if not tf:
+        # __sync_synchronize() is available since 2005 in gcc.
+        tf = conf.CHECK_CODE('__sync_synchronize();',
+                             'HAVE___SYNC_SYNCHRONIZE',
+                             msg='Checking for __sync_synchronize')
+    if tf:
+        conf.DEFINE('HAVE_ATOMIC_THREAD_FENCE_SUPPORT', 1)
+
+    conf.CHECK_CODE('''
+                    #define FALL_THROUGH __attribute__((fallthrough))
+
+                    enum direction_e {
+                        UP = 0,
+                        DOWN,
+                    };
+
+                    int main(void) {
+                        enum direction_e key = UP;
+                        int i = 10;
+                        int j = 0;
+
+                        switch (key) {
+                        case UP:
+                            i = 5;
+                            FALL_THROUGH;
+                        case DOWN:
+                            j = i * 2;
+                            break;
+                        default:
+                            break;
+                        }
+
+                        if (j < i) {
+                            return 1;
+                        }
+
+                        return 0;
+                    }
+                    ''',
+                    'HAVE_FALLTHROUGH_ATTRIBUTE',
+                    addmain=False,
+                    strict=True,
+                    cflags=['-Werror=missing-declarations'],
+                    msg='Checking for fallthrough attribute')
+
+    # these may be builtins, so we need the link=False strategy
+    conf.CHECK_FUNCS('strdup memmem printf memset memcpy memmove strcpy strncpy bzero', link=False)
+
+    # See https://bugzilla.samba.org/show_bug.cgi?id=1097
+    #
+    # Ported in from autoconf where it was added with this commit:
+    # commit 804cfb20a067b4b687089dc72a8271b3abf20f31
+    # Author: Simo Sorce <idra@samba.org>
+    # Date:   Wed Aug 25 14:24:16 2004 +0000
+    #     r2070: Let's try to overload srnlen and strndup for AIX where they are natly broken.
+
+    host_os = sys.platform
+    if host_os.rfind('aix') > -1:
+        conf.DEFINE('BROKEN_STRNLEN', 1)
+        conf.DEFINE('BROKEN_STRNDUP', 1)
+
+    conf.CHECK_FUNCS('shl_load shl_unload shl_findsym')
+    conf.CHECK_FUNCS('pipe strftime srandom random srand rand usleep setbuffer')
+    conf.CHECK_FUNCS('lstat getpgrp utime utimes setuid seteuid setreuid setresuid setgid setegid')
+    conf.CHECK_FUNCS('setregid setresgid chroot strerror vsyslog setlinebuf mktime')
+    conf.CHECK_FUNCS('ftruncate chsize rename waitpid wait4')
+    conf.CHECK_FUNCS('initgroups pread pwrite strndup strcasestr strsep')
+    conf.CHECK_FUNCS('strtok_r mkdtemp dup2 dprintf vdprintf isatty chown lchown')
+    conf.CHECK_FUNCS('link readlink symlink realpath snprintf vsnprintf')
+    conf.CHECK_FUNCS('asprintf vasprintf setenv unsetenv strnlen strtoull __strtoull')
+    conf.CHECK_FUNCS('strtouq strtoll __strtoll strtoq memalign posix_memalign')
+    conf.CHECK_FUNCS('fmemopen')
+
+    if conf.CONFIG_SET('HAVE_MEMALIGN'):
+        conf.CHECK_DECLS('memalign', headers='malloc.h')
+
+    # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
+    if conf.CHECK_CODE('''
+#define _XOPEN_SOURCE 600
+#include <stdlib.h>
+#if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
+#error probably broken posix_fallocate
+#endif
+''',
+                       '_POSIX_FALLOCATE_CAPABLE_LIBC',
+                       msg='Checking for posix_fallocate-capable libc'):
+        conf.CHECK_FUNCS('posix_fallocate')
+
+    conf.CHECK_FUNCS('prctl dirname basename')
+
+    strlcpy_in_bsd = False
+
+    # libbsd on some platforms provides strlcpy and strlcat
+    if not conf.CHECK_FUNCS('strlcpy strlcat'):
+        if conf.CHECK_FUNCS_IN('strlcpy strlcat', 'bsd', headers='bsd/string.h',
+                               checklibc=True):
+            strlcpy_in_bsd = True
+    elif conf.env.enable_fuzzing:
+        # Just to complicate it more, some versions of Honggfuzz have
+        # got strlcpy and strlcat in libc, but not in <string.h>
+        # (unless it is there coincidentally, on a BSD). Therefore we
+        # can't use CHECK_FUNCS alone to decide whether to add the
+        # headers to replace.h.
+        #
+        # As this is only known to happen on a fuzzing compiler, we'll
+        # skip the check when not in fuzzing mode.
+        conf.CHECK_HEADERS('bsd/string.h')
+
+    if not conf.CHECK_FUNCS('getpeereid'):
+        conf.CHECK_FUNCS_IN('getpeereid', 'bsd', headers='sys/types.h bsd/unistd.h')
+    if not conf.CHECK_FUNCS_IN('setproctitle', 'setproctitle', headers='setproctitle.h'):
+        conf.CHECK_FUNCS_IN('setproctitle', 'bsd', headers='sys/types.h bsd/unistd.h')
+    if not conf.CHECK_FUNCS('setproctitle_init'):
+        conf.CHECK_FUNCS_IN('setproctitle_init', 'bsd', headers='sys/types.h bsd/unistd.h')
+
+    if not conf.CHECK_FUNCS('closefrom'):
+        conf.CHECK_FUNCS_IN('closefrom', 'bsd', headers='bsd/unistd.h')
+
+    conf.CHECK_CODE('''
+                struct ucred cred;
+                socklen_t cred_len;
+                int ret = getsockopt(0, SOL_SOCKET, SO_PEERCRED, &cred, &cred_len);''',
+                'HAVE_PEERCRED',
+                msg="Checking whether we can use SO_PEERCRED to get socket credentials",
+                headers='sys/types.h sys/socket.h')
+
+    #Some OS (ie. freebsd) return EINVAL if the conversion could not be done, it's not what we expect
+    #Let's detect those cases
+    if conf.CONFIG_SET('HAVE_STRTOLL'):
+        conf.CHECK_CODE('''
+                        long long nb = strtoll("Text", NULL, 0);
+                        if (errno == EINVAL) {
+                            return 0;
+                        } else {
+                            return 1;
+                        }
+                        ''',
+                        msg="Checking correct behavior of strtoll",
+                        headers = 'errno.h',
+                        execute = True,
+                        define = 'HAVE_BSD_STRTOLL',
+                        )
+    conf.CHECK_FUNCS('if_nameindex if_nametoindex strerror_r')
+    conf.CHECK_FUNCS('syslog')
+    conf.CHECK_FUNCS('gai_strerror get_current_dir_name')
+    conf.CHECK_FUNCS('timegm getifaddrs freeifaddrs mmap setgroups syscall setsid')
+    conf.CHECK_FUNCS('getgrent_r getgrgid_r getgrnam_r getgrouplist getpagesize')
+    conf.CHECK_FUNCS('getpwent_r getpwnam_r getpwuid_r epoll_create1')
+    conf.CHECK_FUNCS('getprogname')
+    if not conf.CHECK_FUNCS('copy_file_range'):
+        conf.CHECK_CODE('''
+syscall(SYS_copy_file_range,0,NULL,0,NULL,0,0);
+                        ''',
+                        'HAVE_SYSCALL_COPY_FILE_RANGE',
+                        headers='sys/syscall.h unistd.h',
+                        msg='Checking whether we have copy_file_range system call')
+
+    conf.SET_TARGET_TYPE('attr', 'EMPTY')
+
+    xattr_headers='sys/attributes.h attr/xattr.h sys/xattr.h'
+
+    # default to 1, we set it to 0 if we don't find any EA implementation below:
+    conf.DEFINE('HAVE_XATTR_SUPPORT', 1)
+    if conf.CHECK_FUNCS_IN('getxattr', 'attr', checklibc=True, headers=xattr_headers):
+        conf.DEFINE('HAVE_XATTR_XATTR', 1)
+        # Darwin has extra options to xattr-family functions
+        conf.CHECK_CODE('getxattr(NULL, NULL, NULL, 0, 0, 0)',
+                        headers=xattr_headers, local_include=False,
+                        define='XATTR_ADDITIONAL_OPTIONS',
+                        msg="Checking whether xattr interface takes additional options")
+    elif conf.CHECK_FUNCS_IN('attr_listf', 'attr', checklibc=True, headers=xattr_headers):
+        conf.DEFINE('HAVE_XATTR_ATTR', 1)
+    elif conf.CHECK_FUNCS('extattr_list_fd'):
+        conf.DEFINE('HAVE_XATTR_EXTATTR', 1)
+    elif conf.CHECK_FUNCS('flistea'):
+        conf.DEFINE('HAVE_XATTR_EA', 1)
+    elif not conf.CHECK_FUNCS('attropen'):
+            conf.DEFINE('HAVE_XATTR_SUPPORT', 0)
+
+
+    conf.CHECK_FUNCS_IN('dlopen dlsym dlerror dlclose', 'dl',
+                        checklibc=True, headers='dlfcn.h dl.h')
+
+    conf.CHECK_C_PROTOTYPE('dlopen', 'void *dlopen(const char* filename, unsigned int flags)',
+                           define='DLOPEN_TAKES_UNSIGNED_FLAGS', headers='dlfcn.h dl.h')
+
+    #
+    # Check for clock_gettime and fdatasync
+    #
+    # First check libc to avoid linking libreplace against librt.
+    #
+    if conf.CHECK_FUNCS('fdatasync'):
+        # some systems are missing the declaration
+        conf.CHECK_DECLS('fdatasync')
+    else:
+        if conf.CHECK_FUNCS_IN('fdatasync', 'rt'):
+            # some systems are missing the declaration
+            conf.CHECK_DECLS('fdatasync')
+
+    has_clock_gettime = False
+    if conf.CHECK_FUNCS('clock_gettime'):
+        has_clock_gettime = True
+
+    if not has_clock_gettime:
+        if conf.CHECK_FUNCS_IN('clock_gettime', 'rt', checklibc=True):
+            has_clock_gettime = True
+
+    if has_clock_gettime:
+        for c in ['CLOCK_MONOTONIC', 'CLOCK_PROCESS_CPUTIME_ID', 'CLOCK_REALTIME']:
+            conf.CHECK_CODE('''
+                #if TIME_WITH_SYS_TIME
+                # include <sys/time.h>
+                # include <time.h>
+                #else
+                # if HAVE_SYS_TIME_H
+                #  include <sys/time.h>
+                # else
+                #  include <time.h>
+                # endif
+                #endif
+                clockid_t clk = %s''' % c,
+                'HAVE_%s' % c,
+                msg='Checking whether the clock_gettime clock ID %s is available' % c)
+
+    conf.CHECK_TYPE('struct timespec', headers='sys/time.h time.h')
+
+    # these headers need to be tested as a group on freebsd
+    conf.CHECK_HEADERS(headers='sys/socket.h net/if.h', together=True)
+    conf.CHECK_HEADERS(headers='netinet/in.h arpa/nameser.h resolv.h', together=True)
+    conf.CHECK_FUNCS_IN('res_search', 'resolv', checklibc=True,
+                        headers='netinet/in.h arpa/nameser.h resolv.h')
+
+
+    # try to find libintl (if --without-gettext is not given)
+    conf.env.intl_libs=''
+    if not Options.options.disable_gettext:
+        conf.CHECK_HEADERS('libintl.h')
+        conf.CHECK_LIB('intl')
+        conf.CHECK_DECLS('dgettext gettext bindtextdomain textdomain bind_textdomain_codeset', headers="libintl.h")
+        # *textdomain functions are not strictly necessary
+        conf.CHECK_FUNCS_IN('bindtextdomain textdomain bind_textdomain_codeset',
+                            '', checklibc=True, headers='libintl.h')
+        # gettext and dgettext must exist
+        # on some systems (the ones with glibc, those are in libc)
+        if conf.CHECK_FUNCS_IN('dgettext gettext', '', checklibc=True, headers='libintl.h'):
+            # save for dependency definitions
+            conf.env.intl_libs=''
+        # others (e.g. FreeBSD) have separate libintl
+        elif conf.CHECK_FUNCS_IN('dgettext gettext', 'intl', checklibc=False, headers='libintl.h'):
+            # save for dependency definitions
+            conf.env.intl_libs='intl'
+            # recheck with libintl
+            conf.CHECK_FUNCS_IN('bindtextdomain textdomain bind_textdomain_codeset',
+                            'intl', checklibc=False, headers='libintl.h')
+        else:
+            # Some hosts need lib iconv for linking with lib intl
+            # So we try with flags just in case it helps.
+            oldflags = list(conf.env['EXTRA_LDFLAGS']);
+            conf.env['EXTRA_LDFLAGS'].extend(["-liconv"])
+            conf.CHECK_FUNCS_IN('dgettext gettext bindtextdomain textdomain bind_textdomain_codeset',
+                                'intl', checklibc=False, headers='libintl.h')
+            conf.env['EXTRA_LDFLAGS'] = oldflags
+            if conf.env['HAVE_GETTEXT'] and conf.env['HAVE_DGETTEXT']:
+                # save for dependency definitions
+                conf.env.intl_libs='iconv intl'
+
+    # did we find both prototypes and a library to link against?
+    # if not, unset the detected values (see Bug #9911)
+    if not (conf.env['HAVE_GETTEXT'] and conf.env['HAVE_DECL_GETTEXT']):
+       conf.undefine('HAVE_GETTEXT')
+       conf.undefine('HAVE_DECL_GETTEXT')
+    if not (conf.env['HAVE_DGETTEXT'] and conf.env['HAVE_DECL_DGETTEXT']):
+       conf.undefine('HAVE_DGETTEXT')
+       conf.undefine('HAVE_DECL_DGETTEXT')
+
+    conf.CHECK_FUNCS_IN('pthread_create', 'pthread', checklibc=True, headers='pthread.h')
+
+    PTHREAD_CFLAGS='error'
+    PTHREAD_LDFLAGS='error'
+
+    if PTHREAD_LDFLAGS == 'error':
+        # Check if pthread_attr_init() is provided by libc first!
+        if conf.CHECK_FUNCS('pthread_attr_init'):
+            PTHREAD_CFLAGS='-D_REENTRANT'
+            PTHREAD_LDFLAGS=''
+    if PTHREAD_LDFLAGS == 'error':
+        if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthread'):
+            PTHREAD_CFLAGS='-D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS'
+            PTHREAD_LDFLAGS='-lpthread'
+    if PTHREAD_LDFLAGS == 'error':
+        if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthreads'):
+            PTHREAD_CFLAGS='-D_THREAD_SAFE'
+            PTHREAD_LDFLAGS='-lpthreads'
+    if PTHREAD_LDFLAGS == 'error':
+        if conf.CHECK_FUNCS_IN('pthread_attr_init', 'c_r'):
+            PTHREAD_CFLAGS='-D_THREAD_SAFE -pthread'
+            PTHREAD_LDFLAGS='-pthread'
+
+    # especially for HP-UX, where the CHECK_FUNC macro fails to test for
+    # pthread_attr_init. On pthread_mutex_lock it works there...
+    if PTHREAD_LDFLAGS == 'error':
+        if conf.CHECK_FUNCS_IN('pthread_mutex_lock', 'pthread'):
+            PTHREAD_CFLAGS='-D_REENTRANT'
+            PTHREAD_LDFLAGS='-lpthread'
+
+    if PTHREAD_CFLAGS != 'error' and PTHREAD_LDFLAGS != 'error':
+        if conf.CONFIG_SET('replace_add_global_pthread'):
+            conf.ADD_CFLAGS(PTHREAD_CFLAGS)
+            conf.ADD_LDFLAGS(PTHREAD_LDFLAGS)
+        conf.CHECK_HEADERS('pthread.h')
+        conf.DEFINE('HAVE_PTHREAD', '1')
+
+    if conf.CONFIG_SET('HAVE_PTHREAD'):
+
+        conf.CHECK_FUNCS_IN('pthread_mutexattr_setrobust', 'pthread',
+                            checklibc=True, headers='pthread.h')
+        if not conf.CONFIG_SET('HAVE_PTHREAD_MUTEXATTR_SETROBUST'):
+            conf.CHECK_FUNCS_IN('pthread_mutexattr_setrobust_np', 'pthread',
+                                checklibc=True, headers='pthread.h')
+
+        conf.CHECK_DECLS('PTHREAD_MUTEX_ROBUST', headers='pthread.h')
+        if not conf.CONFIG_SET('HAVE_DECL_PTHREAD_MUTEX_ROBUST'):
+            conf.CHECK_DECLS('PTHREAD_MUTEX_ROBUST_NP', headers='pthread.h')
+
+        conf.CHECK_FUNCS_IN('pthread_mutex_consistent', 'pthread',
+                            checklibc=True, headers='pthread.h')
+        if not conf.CONFIG_SET('HAVE_PTHREAD_MUTEX_CONSISTENT'):
+            conf.CHECK_FUNCS_IN('pthread_mutex_consistent_np', 'pthread',
+                                checklibc=True, headers='pthread.h')
+
+        if ((conf.CONFIG_SET('HAVE_PTHREAD_MUTEXATTR_SETROBUST') or
+             conf.CONFIG_SET('HAVE_PTHREAD_MUTEXATTR_SETROBUST_NP')) and
+            (conf.CONFIG_SET('HAVE_DECL_PTHREAD_MUTEX_ROBUST') or
+             conf.CONFIG_SET('HAVE_DECL_PTHREAD_MUTEX_ROBUST_NP')) and
+            (conf.CONFIG_SET('HAVE_PTHREAD_MUTEX_CONSISTENT') or
+             conf.CONFIG_SET('HAVE_PTHREAD_MUTEX_CONSISTENT_NP'))):
+            conf.DEFINE('HAVE_ROBUST_MUTEXES', 1)
+
+    # __thread is available in Solaris Studio, IBM XL,
+    # gcc, Clang and Intel C Compiler
+    conf.CHECK_CODE('''
+        __thread int tls;
+
+        int main(void) {
+            return 0;
+        }
+        ''',
+        'HAVE___THREAD',
+        addmain=False,
+        msg='Checking for __thread local storage')
+
+    if conf.CONFIG_SET('HAVE_PTHREAD') and not conf.CONFIG_SET('HAVE___THREAD'):
+        conf.fatal('Missing required TLS support in pthread library')
+
+    conf.CHECK_FUNCS_IN('crypt', 'crypt', checklibc=True)
+    conf.CHECK_FUNCS_IN('crypt_r', 'crypt', checklibc=True)
+    conf.CHECK_FUNCS_IN('crypt_rn', 'crypt', checklibc=True)
+
+    conf.CHECK_VARIABLE('rl_event_hook', define='HAVE_DECL_RL_EVENT_HOOK', always=True,
+                        headers='readline.h readline/readline.h readline/history.h')
+    conf.CHECK_VARIABLE('program_invocation_short_name', headers='errno.h')
+
+    conf.CHECK_DECLS('snprintf vsnprintf asprintf vasprintf')
+
+    conf.CHECK_DECLS('errno', headers='errno.h', reverse=True)
+    conf.CHECK_DECLS('EWOULDBLOCK', headers='errno.h')
+    conf.CHECK_DECLS('environ', reverse=True, headers='unistd.h')
+    conf.CHECK_DECLS('getgrent_r getpwent_r', reverse=True, headers='pwd.h grp.h')
+    conf.CHECK_DECLS('pread pwrite setenv setresgid setresuid', reverse=True)
+
+    if conf.CONFIG_SET('HAVE_EPOLL_CREATE1') and conf.CONFIG_SET('HAVE_SYS_EPOLL_H'):
+        conf.DEFINE('HAVE_EPOLL', 1)
+
+    if conf.CHECK_FUNCS('eventfd', headers='sys/eventfd.h'):
+        conf.DEFINE('HAVE_EVENTFD', 1)
+
+    conf.CHECK_HEADERS('poll.h')
+    conf.CHECK_FUNCS('poll')
+
+    conf.CHECK_FUNCS('strptime')
+    conf.CHECK_DECLS('strptime', headers='time.h')
+    conf.CHECK_CODE('''#define LIBREPLACE_CONFIGURE_TEST_STRPTIME
+                       #include "tests/strptime.c"''',
+                       define='HAVE_WORKING_STRPTIME',
+                       execute=True,
+                       addmain=False,
+                       msg='Checking for working strptime')
+
+    conf.CHECK_C_PROTOTYPE('gettimeofday',
+                           'int gettimeofday(struct timeval *tv, struct timezone *tz)',
+                           define='HAVE_GETTIMEOFDAY_TZ', headers='sys/time.h')
+
+    conf.CHECK_C_PROTOTYPE('gettimeofday',
+                           'int gettimeofday(struct timeval *tv, void *tz)',
+                           define='HAVE_GETTIMEOFDAY_TZ_VOID',
+                           headers='sys/time.h')
+
+    conf.CHECK_CODE('#include "tests/snprintf.c"',
+                    define="HAVE_C99_VSNPRINTF",
+                    execute=True,
+                    addmain=False,
+                    msg="Checking for C99 vsnprintf")
+
+    conf.CHECK_CODE('#include "tests/shared_mmap.c"',
+                    addmain=False, add_headers=False, execute=True,
+                    define='HAVE_SHARED_MMAP',
+                    msg="Checking for HAVE_SHARED_MMAP")
+
+    conf.CHECK_CODE('#include "tests/shared_mremap.c"',
+                    addmain=False, add_headers=False, execute=True,
+                    define='HAVE_MREMAP',
+                    msg="Checking for HAVE_MREMAP")
+
+    # OpenBSD (and I've heard HPUX) doesn't sync between mmap and write.
+    # FIXME: Anything other than a 0 or 1 exit code should abort configure!
+    conf.CHECK_CODE('#include "tests/incoherent_mmap.c"',
+                    addmain=False, add_headers=False, execute=True,
+                    define='HAVE_INCOHERENT_MMAP',
+                    msg="Checking for HAVE_INCOHERENT_MMAP")
+
+    conf.SAMBA_BUILD_ENV()
+
+    conf.CHECK_CODE('''
+                    typedef struct {unsigned x;} FOOBAR;
+                    #define X_FOOBAR(x) ((FOOBAR) { x })
+                    #define FOO_ONE X_FOOBAR(1)
+                    FOOBAR f = FOO_ONE;
+                    static const struct {
+                        FOOBAR y;
+                    } f2[] = {
+                        {FOO_ONE}
+                    };
+                    static const FOOBAR f3[] = {FOO_ONE};
+                    ''',
+                    define='HAVE_IMMEDIATE_STRUCTURES')
+
+    conf.CHECK_CODE('mkdir("foo",0777)', define='HAVE_MKDIR_MODE', headers='sys/stat.h')
+
+    # we need the st_rdev test under two names
+    conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_rdev',
+                                define='HAVE_STRUCT_STAT_ST_RDEV',
+                                headers='sys/stat.h')
+    conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_rdev', define='HAVE_ST_RDEV',
+                                headers='sys/stat.h')
+    conf.CHECK_STRUCTURE_MEMBER('struct sockaddr_storage', 'ss_family',
+                                headers='sys/socket.h netinet/in.h')
+    conf.CHECK_STRUCTURE_MEMBER('struct sockaddr_storage', '__ss_family',
+                                headers='sys/socket.h netinet/in.h')
+
+
+    if conf.CHECK_STRUCTURE_MEMBER('struct sockaddr', 'sa_len',
+                                   headers='sys/socket.h netinet/in.h',
+                                   define='HAVE_SOCKADDR_SA_LEN'):
+        # the old build system produced both defines
+        conf.DEFINE('HAVE_STRUCT_SOCKADDR_SA_LEN', 1)
+
+    conf.CHECK_STRUCTURE_MEMBER('struct sockaddr_in', 'sin_len',
+                                headers='sys/socket.h netinet/in.h',
+                                define='HAVE_SOCK_SIN_LEN')
+
+    conf.CHECK_STRUCTURE_MEMBER('struct sockaddr_in6', 'sin6_len',
+                                headers='sys/socket.h netinet/in.h',
+                                define='HAVE_SOCK_SIN6_LEN')
+
+    conf.CHECK_CODE('struct sockaddr_un sunaddr; sunaddr.sun_family = AF_UNIX;',
+                    define='HAVE_UNIXSOCKET', headers='sys/socket.h sys/un.h')
+
+
+    conf.CHECK_CODE('''
+                    struct stat st;
+                    char tpl[20]="/tmp/test.XXXXXX";
+                    char tpl2[20]="/tmp/test.XXXXXX";
+                    int fd = mkstemp(tpl);
+                    int fd2 = mkstemp(tpl2);
+                    if (fd == -1) {
+                          if (fd2 != -1) {
+                                  unlink(tpl2);
+                          }
+                          exit(1);
+                    }
+                    if (fd2 == -1) exit(1);
+                    unlink(tpl);
+                    unlink(tpl2);
+                    if (fstat(fd, &st) != 0) exit(1);
+                    if ((st.st_mode & 0777) != 0600) exit(1);
+                    if (strcmp(tpl, "/tmp/test.XXXXXX") == 0) {
+                          exit(1);
+                    }
+                    if (strcmp(tpl, tpl2) == 0) {
+                          exit(1);
+                    }
+                    exit(0);
+                    ''',
+                    define='HAVE_SECURE_MKSTEMP',
+                    execute=True,
+                    mandatory=True) # lets see if we get a mandatory failure for this one
+
+    # look for a method of finding the list of network interfaces
+    for method in ['HAVE_IFACE_GETIFADDRS', 'HAVE_IFACE_AIX', 'HAVE_IFACE_IFCONF', 'HAVE_IFACE_IFREQ']:
+        bsd_for_strlcpy = ''
+        if strlcpy_in_bsd:
+            bsd_for_strlcpy = ' bsd'
+        if conf.CHECK_CODE('''
+                           #define %s 1
+                           #define NO_CONFIG_H 1
+                           #define AUTOCONF_TEST 1
+                           #include "replace.c"
+                           #include "inet_ntop.c"
+                           #include "snprintf.c"
+                           #include "getifaddrs.c"
+                           #define getifaddrs_test main
+                           #include "tests/getifaddrs.c"
+                           ''' % method,
+                           method,
+                           lib='nsl socket' + bsd_for_strlcpy,
+                           addmain=False,
+                           execute=True):
+            break
+
+    conf.RECURSE('system')
+    conf.SAMBA_CONFIG_H()
+    if conf.CHECK_FUNCS('strerror_r'):
+        # Check if strerror_r is XSI-Compatable, the default GNU implementation
+        # is not
+        conf.CHECK_CODE('int strerror_r(int errnum, char *buf, size_t buflen);',
+                        'STRERROR_R_XSI_NOT_GNU',
+                        headers='string.h', addmain=False, link=False,
+                        msg="Checking for XSI (rather than GNU) prototype for strerror_r")
+
+
+REPLACEMENT_FUNCTIONS = {
+    'replace.c': ['ftruncate', 'strlcpy', 'strlcat', 'mktime', 'initgroups',
+                  'memmove', 'strdup', 'setlinebuf', 'vsyslog', 'strnlen',
+                  'strndup', 'waitpid', 'seteuid', 'setegid', 'chroot',
+                  'mkstemp', 'mkdtemp', 'pread', 'pwrite', 'strcasestr',
+                  'strsep', 'strtok_r', 'strtoll', 'strtoull', 'setenv', 'unsetenv',
+                  'utime', 'utimes', 'dup2', 'chown', 'link', 'readlink',
+                  'symlink', 'lchown', 'realpath', 'memmem', 'vdprintf',
+                  'dprintf', 'get_current_dir_name', 'copy_file_range',
+                  'strerror_r', 'clock_gettime', 'memset_s'],
+    'timegm.c': ['timegm'],
+    # Note: C99_VSNPRINTF is not a function, but a special condition
+    # for replacement
+    'snprintf.c': ['C99_VSNPRINTF', 'snprintf', 'vsnprintf', 'asprintf', 'vasprintf'],
+    # Note: WORKING_STRPTIME is not a function, but a special condition
+    # for replacement
+    'strptime.c': ['WORKING_STRPTIME', 'strptime'],
+    }
+
+
+def build(bld):
+    bld.RECURSE('buildtools/wafsamba')
+
+    REPLACE_HOSTCC_SOURCE = ''
+
+    for filename in REPLACEMENT_FUNCTIONS.keys():
+        for function in REPLACEMENT_FUNCTIONS[filename]:
+            if not bld.CONFIG_SET('HAVE_%s' % function.upper()):
+                REPLACE_HOSTCC_SOURCE += ' %s' % filename
+                break
+
+    extra_libs = ''
+    if bld.CONFIG_SET('HAVE_LIBBSD'): extra_libs += ' bsd'
+    if bld.CONFIG_SET('HAVE_LIBRT'): extra_libs += ' rt'
+    if bld.CONFIG_SET('REPLACE_REQUIRES_LIBSOCKET_LIBNSL'): extra_libs += ' socket nsl'
+
+    if not bld.CONFIG_SET('HAVE_CLOSEFROM'):
+        REPLACE_HOSTCC_SOURCE += ' closefrom.c'
+
+    bld.SAMBA_SUBSYSTEM('LIBREPLACE_HOSTCC',
+        REPLACE_HOSTCC_SOURCE,
+        use_hostcc=True,
+        use_global_deps=False,
+        group='hostcc_base_build_main',
+        deps = extra_libs
+    )
+
+    REPLACE_SOURCE = REPLACE_HOSTCC_SOURCE
+
+    if not bld.CONFIG_SET('HAVE_DLOPEN'):        REPLACE_SOURCE += ' dlfcn.c'
+    if not bld.CONFIG_SET('HAVE_POLL'):          REPLACE_SOURCE += ' poll.c'
+
+    if not bld.CONFIG_SET('HAVE_SOCKETPAIR'):    REPLACE_SOURCE += ' socketpair.c'
+    if not bld.CONFIG_SET('HAVE_CONNECT'):       REPLACE_SOURCE += ' socket.c'
+    if not bld.CONFIG_SET('HAVE_GETIFADDRS'):    REPLACE_SOURCE += ' getifaddrs.c'
+    if not bld.CONFIG_SET('HAVE_GETADDRINFO'):   REPLACE_SOURCE += ' getaddrinfo.c'
+    if not bld.CONFIG_SET('HAVE_INET_NTOA'):     REPLACE_SOURCE += ' inet_ntoa.c'
+    if not bld.CONFIG_SET('HAVE_INET_ATON'):     REPLACE_SOURCE += ' inet_aton.c'
+    if not bld.CONFIG_SET('HAVE_INET_NTOP'):     REPLACE_SOURCE += ' inet_ntop.c'
+    if not bld.CONFIG_SET('HAVE_INET_PTON'):     REPLACE_SOURCE += ' inet_pton.c'
+    if not bld.CONFIG_SET('HAVE_GETXATTR') or bld.CONFIG_SET('XATTR_ADDITIONAL_OPTIONS'):
+                                                 REPLACE_SOURCE += ' xattr.c'
+
+    if not bld.CONFIG_SET('HAVE_CLOSEFROM'):
+        REPLACE_SOURCE += ' closefrom.c'
+
+    bld.SAMBA_LIBRARY('replace',
+                      source=REPLACE_SOURCE,
+                      group='base_libraries',
+                      # FIXME: Ideally symbols should be hidden here so they
+                      # don't appear in the global namespace when Samba
+                      # libraries are loaded, but this doesn't appear to work
+                      # at the moment:
+                      # hide_symbols=bld.BUILTIN_LIBRARY('replace'),
+                      private_library=True,
+                      provide_builtin_linking=True,
+                      deps='dl attr' + extra_libs)
+
+    replace_test_cflags = ''
+    if bld.CONFIG_SET('HAVE_WNO_FORMAT_TRUNCATION'):
+        replace_test_cflags += " -Wno-format-truncation"
+    bld.SAMBA_SUBSYSTEM('replace-test',
+                        source='''tests/testsuite.c tests/strptime.c
+                        tests/os2_delete.c tests/getifaddrs.c''',
+                        deps='replace',
+                        cflags=replace_test_cflags)
+
+    bld.SAMBA_BINARY('replace_testsuite',
+                     source='tests/main.c',
+                     deps='replace replace-test',
+                     install=False)
+
+    # build replacements for stdint.h and stdbool.h if needed
+    bld.SAMBA_GENERATOR('replace_stdint_h',
+                        rule='cp ${SRC} ${TGT}',
+                        source='hdr_replace.h',
+                        target='stdint.h',
+                        enabled = not bld.CONFIG_SET('HAVE_STDINT_H'))
+    bld.SAMBA_GENERATOR('replace_stdbool_h',
+                        rule='cp ${SRC} ${TGT}',
+                        source='hdr_replace.h',
+                        target='stdbool.h',
+                        enabled = not bld.CONFIG_SET('HAVE_STDBOOL_H'))
+
+    bld.SAMBA_SUBSYSTEM('samba_intl', source='', use_global_deps=False,deps=bld.env.intl_libs)
+
+def testonly(ctx):
+    '''run talloc testsuite'''
+    import samba_utils
+
+    samba_utils.ADD_LD_LIBRARY_PATH('bin/shared')
+    samba_utils.ADD_LD_LIBRARY_PATH('bin/shared/private')
+
+    cmd = os.path.join(Context.g_module.out, 'replace_testsuite')
+    ret = samba_utils.RUN_COMMAND(cmd)
+    print("testsuite returned %d" % ret)
+    sys.exit(ret)
+
+# WAF doesn't build the unit tests for this, maybe because they don't link with talloc?
+# This forces it
+def test(ctx):
+    Options.commands.append('build')
+    Options.commands.append('testonly')
+
+def dist():
+    '''makes a tarball for distribution'''
+    samba_dist.dist()