1 files changed, 6 insertions, 0 deletions
diff --git a/INSTALL b/INSTALL
index e77cb2d4e2..60f714e0df 100644
--- a/INSTALL
+++ b/INSTALL
@@ -196,6 +196,12 @@ will be used, and CFLAGS sets optimization options for the compiler.
           colon-separated list in a single environment variable
           'GLIBC_TUNABLES'.
 
+'--enable-obsolete-nsl'
+     By default, libnsl is only built as shared library for backward
+     compatibility and the NSS modules libnss_compat, libnss_nis and
+     libnss_nisplus are not built at all.  Use this option to enable
+     libnsl with all depending NSS modules and header files.
+
 '--build=BUILD-SYSTEM'
 '--host=HOST-SYSTEM'
      These options are for cross-compiling.  If you specify both options