From bb9a8332e54fd6d2b0d4767b55c7df9a36ad3022 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Esser?= <besser82@fedoraproject.org>
Date: Sun, 21 Jan 2018 18:55:31 +0100
Subject: [PATCH] cryptmodule: Include <crypt.h> for declaration of crypt() if
 needed

Not every target system may provide a crypt() function in its stdlibc
and may use an external or replacement library, like libxcrypt, for
providing such functions.
---
 Modules/_cryptmodule.c | 4 ++++
 configure.ac           | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Modules/_cryptmodule.c b/Modules/_cryptmodule.c
index 58d179e6a3..0031037b64 100644
--- a/Modules/_cryptmodule.c
+++ b/Modules/_cryptmodule.c
@@ -5,6 +5,10 @@
 
 #include <sys/types.h>
 
+#if defined(HAVE_CRYPT_H)
+#include <crypt.h>
+#endif
+
 /* Module crypt */
 
 /*[clinic input]
diff --git a/configure.ac b/configure.ac
index 39e2e8e769..79397a7a24 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2049,7 +2049,7 @@ AC_CHECK_HEADERS(asm/types.h conio.h direct.h dlfcn.h errno.h \
 fcntl.h grp.h \
 ieeefp.h io.h langinfo.h libintl.h process.h pthread.h \
 sched.h shadow.h signal.h stropts.h termios.h \
-unistd.h utime.h \
+unistd.h crypt.h utime.h \
 poll.h sys/devpoll.h sys/epoll.h sys/poll.h \
 sys/audioio.h sys/xattr.h sys/bsdtty.h sys/event.h sys/file.h sys/ioctl.h \
 sys/kern_control.h sys/loadavg.h sys/lock.h sys/mkdev.h sys/modem.h \
-- 
2.16.1