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host-mkpasswd: fix crash on Fedora 28 build host

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crypt() is an optional glibc feature. Some distros, like Fedora 28, are
phasing it out to be replaced with libxcrypt [1]. Unfortunately this
change is only ABI compatible, not source code compatible, i.e. the code
will compile with warnings about undefined crypt(), but the resulting
binary will crash.

Follow the guidance in the Fedora bug and include crypt.h when
_XOPEN_CRYPT is not defined.

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1566464

Signed-off-by: Stefan Becker <chemobejk@gmail.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 3c514c2dc5)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Stefan Becker 2018-05-02 12:05:08 +03:00 committed by Peter Korsgaard
parent 314c9050e5
commit 36e19e3f6a
1 changed files with 5 additions and 0 deletions
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package/mkpasswd/mkpasswd.c
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@ -44,6 +44,11 @@
#include <sys/time.h>
#endif
/* glibc without crypt() */
#ifndef _XOPEN_CRYPT
#include <crypt.h>
#endif
/* Application-specific */
#include "utils.h"