Add patch to fix bcrypt test with GCC8

libxcrypt-4.0.0_gcc8_fix_test.patch

@@ -0,0 +1,22 @@
+From db1a30dea83a74a0314fddffc35e165b1ebb3158 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Bj=C3=B6rn=20Esser?= <besser82@fedoraproject.org>
+Date: Wed, 31 Jan 2018 00:43:49 +0100
+Subject: [PATCH] test-crypt-bcrypt: Fix test with GCC8
+
+---
+ test-crypt-bcrypt.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/test-crypt-bcrypt.c b/test-crypt-bcrypt.c
+index fffee97..02a2f07 100644
+--- a/test-crypt-bcrypt.c
++++ b/test-crypt-bcrypt.c
+@@ -177,7 +177,7 @@ main (void)
+       const char *key = tests[i][1];
+       const char *setting = tests[i][2];
+       const char *p;
+-      int ok = !setting || strlen (hash) >= 30;
++      int ok = !setting || hash[0] != '*';
+       char s_buf[30];
+       char o_buf[sizeof (struct crypt_data)];
+       int errnm, match;

libxcrypt.spec

@@ -19,7 +19,7 @@
 
 Name:           libxcrypt
 Version:        4.0.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Extended crypt library for DES, MD5, Blowfish and others
 
 # For explicit license breakdown, see the
@@ -28,6 +28,8 @@ License:        LGPLv2+ and BSD and CDDL and Public Domain
 URL:            https://github.com/besser82/%{name}
 Source0:        %{url}/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
 
+Patch0:         %{url}/commit/db1a30dea83a74a0314fddffc35e165b1ebb3158.patch#/%{name}-4.0.0_gcc8_fix_test.patch
+
 BuildRequires:  fipscheck
 BuildRequires:  libtool
 
@@ -182,6 +184,9 @@ is highly discouraged.
 
 
 %changelog
+* Wed Jan 31 2018 Björn Esser <besser82@fedoraproject.org> - 4.0.0-2
+- Add patch to fix bcrypt test with GCC8
+
 * Sat Jan 27 2018 Björn Esser <besser82@fedoraproject.org> - 4.0.0-1
 - New upstream release