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Merge #10301: Check if sys/random.h is required for getentropy.

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ee2d10a Check if sys/random.h is required for getentropy on OSX. (James Hilliard)

Pull request description:

  This should check and include sys/random.h if required for osx as mentioned [here](https://github.com/bitcoin/bitcoin/pull/9821#issuecomment-290936636).

Tree-SHA512: e9491f67f2e8b2e6bcdbcbb8063295e844d5627daf5336e3e17b4a8027d888fa65a08e4580a745abdc35ffd8d86b4fc7434daaac172c4a06ab7566a2ed0bfb92
This commit is contained in:
Wladimir J. van der Laan
2017-08-07 17:13:49 +02:00
parent fa64636948 ee2d10ad0c
commit 318392ca7c
2 changed files with 21 additions and 1 deletions
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8
configure.ac
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@@ -674,6 +674,14 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]],
[ AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING(for getentropy via random.h)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>
#include <sys/random.h>]],
[[ getentropy(nullptr, 32) ]])],
[ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_GETENTROPY_RAND, 1,[Define this symbol if the BSD getentropy system call is available with sys/random.h]) ],
[ AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING(for sysctl KERN_ARND)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <sys/sysctl.h>]],