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Libsodium is now required if and only if --with-libsodium is used

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This patch is proposed for https://github.com/zeromq/libzmq/issues/912.  If a user specifies that they want libzmq built with libsodium, and the requirement cannot be satisfied, we should error at the user so they can either A) install libsodium to a reasonable location or B) relax their requirement for libsodium support.

Previously a warning was issued in this case, causing users who wanted libsodium support not to get it, which may be discovered at a much later time when their programs didn't work as expected.

I release this patch under the LGPL v3 or any later version.
This commit is contained in:
Drew Crawford 2014-03-10 13:59:33 -05:00
parent b63c5e5469
commit 6009e2c6c4
2 changed files with 7 additions and 1 deletions
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AUTHORS
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@ -37,6 +37,7 @@ Dhammika Pathirana <dhammika@gmail.com>
Dhruva Krishnamurthy <dhruva@ymail.com>
Dirk O. Kaar <dok@dok-net.net>
Douglas Creager <douglas.creager@redjack.com>
Drew Crawford <drew@sealedabstract.com>
Erich Heine <sophacles@gmail.com>
Erik Hugne <erik.hugne@ericsson.com>
Erik Rigtorp <erik@rigtorp.com>

7
configure.ac
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@ -299,7 +299,12 @@ esac
# Checks for libraries
AC_CHECK_LIB([pthread], [pthread_create])
AC_CHECK_LIB([rt], [clock_gettime])
AC_CHECK_LIB([sodium], [sodium_init],,AC_MSG_WARN(libsodium is needed for CURVE security))
if test "x$zmq_search_libsodium" = "xyes"; then
AC_CHECK_LIB([sodium], [sodium_init],,AC_MSG_ERROR(libsodium is not installed. Install it or don't pass --with-libsodium to configure script))
else
AC_CHECK_LIB([sodium], [sodium_init],,AC_MSG_WARN(libsodium is needed for CURVE security))
fi
#
# Check if the compiler supports -fvisibility=hidden flag. MinGW32 uses __declspec