diff options
Diffstat (limited to 'lib/replace/wscript')
| -rw-r--r-- | lib/replace/wscript | 1010 |
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() |