waf:libreplace: set _OSF_SOURCE to fix build on Tru64

diff --git a/lib/replace/wscript b/lib/replace/wscript
index cfb4181066503dc0798815a3fbd2672023373d0b..4bafcadbd40f3300083cf7062880ce9c987d0a5d 100644 (file)
--- a/lib/replace/wscript
+++ b/lib/replace/wscript
@@ -29,6 +29,10 @@ def configure(conf):
 
     conf.DEFINE('LIBREPLACE_NETWORK_CHECKS', 1)
 
+    # on Tru64 certain features are only available with _OSF_SOURCE
+    if conf.env['SYSTEM_UNAME_SYSNAME'] == 'OSF1':
+        conf.DEFINE('_OSF_SOURCE', 1, add_to_cflags=True)
+
     conf.CHECK_HEADERS('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')