build: a first attempt at waf build for talloc and libreplace

very rough so far

2 files changed, 178 insertions, 0 deletions

diff --git a/lib/replace/autoconf.py b/lib/replace/autoconf.py
new file mode 100644
index 0000000000..cb7e7f0bc7
--- /dev/null
+++ b/lib/replace/autoconf.py
@@ -0,0 +1,46 @@
+# a waf tool to add autoconf-like macros to the configure section
+
+from Configure import conf
+
+@conf
+def DEFUN(conf, d, v):
+    conf.define(d, v, quote=False)
+    conf.env.append_value('CCDEFINES', d + '=' + str(v))
+
+@conf
+def CHECK_HEADERS(conf, list):
+    for hdr in list.rsplit(' '):
+        if conf.check(header_name=hdr):
+            conf.env.hlist.append(hdr)
+
+@conf
+def CHECK_TYPES(conf, list):
+    for t in list.rsplit(' '):
+        conf.check(type_name=t, header_name=conf.env.hlist)
+
+@conf
+def CHECK_TYPE_IN(conf, t, hdr):
+    if conf.check(header_name=hdr):
+        conf.check(type_name=t, header_name=hdr)
+
+@conf
+def CHECK_TYPE(conf, t, alternate):
+    if not conf.check(type_name=t, header_name=conf.env.hlist):
+        conf.DEFUN(t, alternate)
+
+@conf
+def CHECK_FUNCS(conf, list):
+    for f in list.rsplit(' '):
+        conf.check(function_name=f, header_name=conf.env.hlist)
+
+@conf
+def CHECK_FUNCS_IN(conf, list, library):
+    if conf.check(lib=library, uselib_store=library):
+        for f in list.rsplit(' '):
+            conf.check(function_name=f, lib=library, header_name=conf.env.hlist)
+
+@conf
+def check_rpath(conf):
+    # this should check if rpath works
+    conf.env.append_value('RPATH', '-Wl,-rpath=build/default')
+
diff --git a/lib/replace/wscript b/lib/replace/wscript
new file mode 100644
index 0000000000..45ce6cddf6
--- /dev/null
+++ b/lib/replace/wscript
@@ -0,0 +1,132 @@
+srcdir = '.'
+blddir = 'build'
+
+import Options, os
+
+def set_options(opt):
+    opt.tool_options('compiler_cc')
+    opt.add_option('--disable-rpath',
+                   help=("Disable use of rpath"),
+                   action="store_true", dest='disable_rpath', default=False)
+
+def configure(conf):
+    conf.env.hlist = []
+
+    # load our local waf extensions
+    conf.check_tool('autoconf', tooldir='. ../replace')
+    conf.check_rpath()
+
+    conf.check_tool('compiler_cc')
+    conf.DEFUN('_GNU_SOURCE', 1)
+    conf.DEFUN('_XOPEN_SOURCE_EXTENDED', 1)
+    conf.DEFUN('LIBREPLACE_NETWORK_CHECKS', 1)
+
+    conf.CHECK_HEADERS('unistd.h sys/types.h stdlib.h stdio.h')
+    conf.CHECK_HEADERS('sys/wait.h sys/stat.h malloc.h grp.h')
+    conf.CHECK_HEADERS('crypt.h dlfcn.h dl.h standards.h stdbool.h stdint.h')
+    conf.CHECK_HEADERS('sys/select.h setjmp.h utime.h sys/syslog.h syslog.h')
+    conf.CHECK_HEADERS('sys/time.h time.h 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')
+    conf.CHECK_HEADERS('netinet/ip.h netinet/tcp.h netinet/in_ip.h sys/sockio.h sys/un.h')
+    conf.CHECK_HEADERS('sys/uio.h ifaddrs.h direct.h dirent.h')
+    conf.CHECK_HEADERS('windows.h winsock2.h ws2tcpip.h')
+
+    conf.check(type_name='long long')
+    conf.CHECK_TYPES('intptr_t uintptr_t ptrdiff_t')
+    conf.CHECK_TYPES('comparison_fn_t socklen_t bool')
+
+    conf.CHECK_TYPE('int8_t', '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('bool', 'off_t')
+
+    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_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 seteuid setresuid setegid')
+    conf.CHECK_FUNCS('setresgid chroot bzero strerror vsyslog setlinebuf mktime')
+    conf.CHECK_FUNCS('ftruncate chsize rename waitpid wait4 strlcpy strlcat')
+    conf.CHECK_FUNCS('initgroups memmove strdup pread pwrite strndup strcasestr')
+    conf.CHECK_FUNCS('strtok_r mkdtemp dup2 dprintf vdprintf isatty chown lchown')
+    conf.CHECK_FUNCS('link readlink symlink realpath fdatasync snprintf vsnprintf')
+    conf.CHECK_FUNCS('asprintf vasprintf setenv unsetenv strnlen strtoull __strtoull')
+    conf.CHECK_FUNCS('strtouq strtoll __strtoll strtoq memmem printf memset memcpy')
+    conf.CHECK_FUNCS('connect gethostbyname if_nametoindex socketpair')
+    conf.CHECK_FUNCS('inet_ntoa inet_ntop dirfd getdirentries getdents syslog')
+    conf.CHECK_FUNCS('timegm getifaddrs freeifaddrs')
+
+    conf.CHECK_FUNCS_IN('dlopen dlsym dlerror dlclose', 'dl')
+
+    # we could also put code fragments like this in separate files,
+    # for example in test/snprintf.c
+    conf.check_cc(fragment='''
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+void foo(const char *format, ...) {
+       va_list ap;
+       int len;
+       char buf[20];
+       long long l = 1234567890;
+       l *= 100;
+
+       va_start(ap, format);
+       len = vsnprintf(buf, 0, format, ap);
+       va_end(ap);
+       if (len != 5) exit(1);
+
+       va_start(ap, format);
+       len = vsnprintf(0, 0, format, ap);
+       va_end(ap);
+       if (len != 5) exit(2);
+
+       if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(3);
+
+       if (snprintf(buf, 20, "%lld", l) != 12 || strcmp(buf, "123456789000") != 0) exit(4);
+       if (snprintf(buf, 20, "%zu", 123456789) != 9 || strcmp(buf, "123456789") != 0) exit(5);
+       if (snprintf(buf, 20, "%2\$d %1\$d", 3, 4) != 3 || strcmp(buf, "4 3") != 0) exit(6);
+       if (snprintf(buf, 20, "%s", 0) < 3) exit(7);
+
+       printf("1");
+       exit(0);
+}
+main() { foo("hello"); }
+''',
+                define_name="HAVE_C99_VSNPRINTF",
+		execute=1,
+                define_ret=1,
+                quote=0,
+		msg="Checking for C99 vsnprintf")
+
+    conf.write_config_header('config.h')
+
+def build(bld):
+    # the libreplace shared library
+    bld(
+        features = 'cc cshlib',
+        source = 'replace.c',
+        target='replace',
+        includes = '. default /usr/include')
+
+    # test program
+    bld(
+        features = 'cc cprogram',
+        source = '''test/testsuite.c test/main.c test/strptime.c
+        test/os2_delete.c test/getifaddrs.c''',
+        target = 'replace_testsuite',
+        uselib_local = 'replace',
+        includes = '. default /usr/include')
+