--- configure.ac.orig	2014-09-27 12:55:02.445395745 +0200
+++ configure.ac	2014-09-27 12:55:39.848729357 +0200
@@ -277,10 +277,7 @@
 	      [nss_crypt=$enableval],
 	      [nss_crypt=no])
 if test x$nss_crypt = xyes; then
-  nss_includes=-I$(nss-config --includedir 2>/dev/null)
-  if test $? -ne 0; then
-    AC_MSG_ERROR([cannot find include directory with nss-config])
-  fi
+  nss_includes='-I/usr/include/nss -I/usr/include/nspr'
   old_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS $nss_includes"
   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([typedef int PRBool;
--- crypt/Makefile.orig	2014-09-27 13:04:28.422466311 +0200
+++ crypt/Makefile	2014-09-27 13:05:00.672466567 +0200
@@ -37,9 +37,9 @@
 endif
 
 ifeq ($(nss-crypt),yes)
-CPPFLAGS-sha256-crypt.c = -DUSE_NSS -I$(shell nss-config --includedir)
-CPPFLAGS-sha512-crypt.c = -DUSE_NSS -I$(shell nss-config --includedir)
-CPPFLAGS-md5-crypt.c = -DUSE_NSS -I$(shell nss-config --includedir)
+CPPFLAGS-sha256-crypt.c = -DUSE_NSS -I/usr/include/nss -I/usr/include/nspr
+CPPFLAGS-sha512-crypt.c = -DUSE_NSS -I/usr/include/nss -I/usr/include/nspr
+CPPFLAGS-md5-crypt.c = -DUSE_NSS -I/usr/include/nss -I/usr/include/nspr
 LDLIBS-crypt.so = -lfreebl3
 else
 libcrypt-routines += md5 sha256 sha512