From 7de9f07b0fc3729679ad2678ce1a04aed88e0f7f Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Thu, 31 May 2012 18:42:31 +0000
Subject: [PATCH] -test for nss.h

---
 configure.ac        | 12 ++++++++++++
 src/gns/Makefile.am |  6 +++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 2cc522bf6..a861bd409 100644
--- a/configure.ac
+++ b/configure.ac
@@ -339,6 +339,18 @@ else
 fi
 
 
+
+AC_CHECK_HEADERS([nss.h],[nss=true],[nss=false])
+if test x$nss = xnss
+then
+	AM_CONDITIONAL(HAVE_GLIBCNSS, false)
+	AC_MSG_WARN([No GNU libc nss header, will not build NSS plugin])
+else
+	AM_CONDITIONAL(HAVE_GLIBCNSS, true)
+fi
+
+
+
 # test for kvm and kstat (for CPU stats under BSD/Solaris)
 AC_CHECK_LIB([kvm],[kvm_open])
 AC_CHECK_LIB([kstat],[kstat_open])
diff --git a/src/gns/Makefile.am b/src/gns/Makefile.am
index 1146950d8..2e28a6a90 100644
--- a/src/gns/Makefile.am
+++ b/src/gns/Makefile.am
@@ -1,6 +1,10 @@
 INCLUDES = -I$(top_srcdir)/src/include
 
-SUBDIRS = . nss
+if HAVE_GLIBCNSS
+NSS_SUBDIR = nss
+endif
+
+SUBDIRS = . $(NSS_SUBDIR)
 
 if MINGW
   WINFLAGS = -Wl,--no-undefined -Wl,--export-all-symbols
-- 
2.25.1