--- /dev/null
+#!/usr/bin/env python
+
+import os
+
+VERSION="1.0.0"
+
+def configure(conf):
+ if conf.CHECK_BUNDLED_SYSTEM('resolv_wrapper', minversion=VERSION, set_target=False):
+ conf.DEFINE('USING_SYSTEM_RESOLV_WRAPPER', 1)
+ libresolv_wrapper_so_path = 'libresolv_wrapper.so'
+ else:
+ # check HAVE_GCC_THREAD_LOCAL_STORAGE
+ conf.CHECK_CODE('''
+ __thread int tls;
+
+ int main(void) {
+ return 0;
+ }
+ ''',
+ 'HAVE_GCC_THREAD_LOCAL_STORAGE',
+ addmain=False,
+ msg='Checking for thread local storage')
+
+ # check HAVE_DESTRUCTOR_ATTRIBUTE
+ conf.CHECK_CODE('''
+ void test_destructor_attribute(void) __attribute__ ((destructor));
+
+ void test_destructor_attribute(void)
+ {
+ return;
+ }
+
+ int main(void) {
+ return 0;
+ }
+ ''',
+ 'HAVE_DESTRUCTOR_ATTRIBUTE',
+ addmain=False,
+ msg='Checking for library destructor support')
+
+ # check HAVE_FUNCTION_ATTRIBUTE_FORMAT
+ conf.CHECK_CODE('''
+ void log_fn(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
+
+ int main(void) {
+ return 0;
+ }
+ ''',
+ 'HAVE_FUNCTION_ATTRIBUTE_FORMAT',
+ addmain=False,
+ msg='Checking for printf format validation support')
+
+ conf.CHECK_HEADERS('resolv.h')
+
+ conf.CHECK_STRUCTURE_MEMBER('struct _res_state',
+ '_u._ext.nsaddrs',
+ headers='resolv.h',
+ define='HAVE_RESOLV_IPV6_NSADDRS')
+
+ conf.CHECK_FUNCS_IN('res_ninit', 'resolv')
+ if conf.CONFIG_SET('HAVE_RES_NINIT'):
+ conf.DEFINE('HAVE_RES_NINIT_IN_LIBRESOLV', 1)
+
+ conf.CHECK_FUNCS_IN('res_nclose', 'resolv')
+ if conf.CONFIG_SET('HAVE_RES_NCLOSE'):
+ conf.DEFINE('HAVE_RES_NCLOSE_IN_LIBRESOLV', 1)
+
+ conf.CHECK_FUNCS_IN('res_init __res_init', 'resolv', checklibc=True)
+ conf.CHECK_FUNCS_IN('res_ninit __res_ninit', 'resolv', checklibc=True)
+ conf.CHECK_FUNCS_IN('res_close __res_close', 'resolv', checklibc=True)
+ conf.CHECK_FUNCS_IN('res_nclose __res_nclose', 'resolv', checklibc=True)
+ conf.CHECK_FUNCS_IN('res_query __res_query', 'resolv', checklibc=True)
+ conf.CHECK_FUNCS_IN('res_nquery __res_nquery', 'resolv', checklibc=True)
+ conf.CHECK_FUNCS_IN('res_search __res_search', 'resolv', checklibc=True)
+ conf.CHECK_FUNCS_IN('res_nsearch __res_nsearch', 'resolv', checklibc=True)
+
+ # Create full path to resolv_wrapper
+ srcdir = os.path.realpath(conf.srcdir)
+ libresolv_wrapper_so_path = srcdir + '/bin/default/lib/resolv_wrapper/libresolv-wrapper.so'
+
+ conf.DEFINE('LIBRESOLV_WRAPPER_SO_PATH', libresolv_wrapper_so_path)
+ conf.DEFINE('RESOLV_WRAPPER', 1)
+
+def build(bld):
+ if bld.CONFIG_SET("HAVE_RESOLV_H") and not bld.CONFIG_SET("USING_SYSTEM_RESOLV_WRAPPER"):
+ # We need to do it this way or the library wont work.
+ # Using private_library=True will add symbol version which
+ # breaks preloading!
+ bld.SAMBA_LIBRARY('resolv_wrapper',
+ source='resolv_wrapper.c',
+ cflags='-DNDEBUG',
+ deps='dl resolv',
+ install=False,
+ realname='libresolv-wrapper.so')