lib: Change uid_wrapper to preloadable version.
[samba.git] / lib / uid_wrapper / wscript
1 #!/usr/bin/env python
2
3 import os
4
5 VERSION="1.0.1"
6
7 def configure(conf):
8     if conf.CHECK_BUNDLED_SYSTEM('uid_wrapper', minversion=VERSION, set_target=False):
9         conf.DEFINE('USING_SYSTEM_UID_WRAPPER', 1)
10         libuid_wrapper_so_path = 'libuid_wrapper.so'
11     else:
12         # check HAVE_GCC_THREAD_LOCAL_STORAGE
13         conf.CHECK_CODE('''
14             __thread int tls;
15
16             int main(void) {
17                 return 0;
18             }
19             ''',
20             'HAVE_GCC_THREAD_LOCAL_STORAGE',
21             addmain=False,
22             msg='Checking for thread local storage')
23
24         # check HAVE_DESTRUCTOR_ATTRIBUTE
25         conf.CHECK_CODE('''
26             void test_destructor_attribute(void) __attribute__ ((destructor));
27
28             void test_destructor_attribute(void)
29             {
30                 return;
31             }
32
33             int main(void) {
34                 return 0;
35             }
36             ''',
37             'HAVE_DESTRUCTOR_ATTRIBUTE',
38             addmain=False,
39             msg='Checking for library destructor support')
40
41         # Create full path to uid_wrapper
42         srcdir = os.path.realpath(conf.srcdir)
43         libuid_wrapper_so_path = srcdir + '/bin/default/lib/uid_wrapper/libuid-wrapper.so'
44
45     conf.DEFINE('LIBUID_WRAPPER_SO_PATH', libuid_wrapper_so_path)
46     conf.DEFINE('UID_WRAPPER', 1)
47
48 def build(bld):
49     if not bld.CONFIG_SET("USING_SYSTEM_UID_WRAPPER"):
50         # We need to do it this way or the library wont work.
51         # Using private_library=True will add symbol version which
52         # breaks preloading!
53         bld.SAMBA_LIBRARY('uid_wrapper',
54                           source='uid_wrapper.c',
55                           cflags='-DNDEBUG',
56                           deps='dl',
57                           install=False,
58                           realname='libuid-wrapper.so')
59