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AC_ARG_ENABLE([ssl],
[AS_HELP_STRING([--enable-ssl=@<:@auto/yes/no@:>@],
[Use OpenSSL for TLS connections and SCRAM-SHA-1 authentication. NOTE: OpenSSL is required for authenticating to MongoDB 3.0 and later])],
[],
[enable_ssl=auto])
AS_IF([test "$enable_ssl" != "no"],[
PKG_CHECK_MODULES(SSL, [openssl], [enable_ssl=yes], [
AS_IF([test "$enable_ssl" != "no"],[
AC_CHECK_LIB([ssl],[SSL_library_init],[have_ssl_lib=yes],[have_ssl_lib=no])
AC_CHECK_LIB([crypto],[CRYPTO_set_locking_callback],[have_crypto_lib=yes],[have_crypto_lib=no])
if test "$enable_ssl" = "yes"; then
if test "$have_ssl_lib" = "no" -o "$have_crypto_lib" = "no" ; then
AC_MSG_ERROR([You must install the OpenSSL libraries and development headers to enable SSL support.])
fi
fi
AC_CHECK_HEADERS([openssl/bio.h openssl/ssl.h openssl/err.h openssl/crypto.h],
[have_ssl_headers=yes],
[have_ssl_headers=no])
if test "$have_ssl_headers" = "no" -a "$enable_ssl" = "yes" ; then
AC_MSG_ERROR([You must install the OpenSSL development headers to enable SSL support.])
fi
if test "$have_ssl_headers" = "yes" -a "$have_ssl_lib" = "yes" -a "$have_crypto_lib" = "yes"; then
SSL_LIBS="-lssl -lcrypto"
enable_ssl=yes
else
enable_ssl=no
fi
])
])
])
AM_CONDITIONAL([ENABLE_SSL], [test "$enable_ssl" = "yes"])
AC_SUBST(SSL_CFLAGS)
AC_SUBST(SSL_LIBS)
dnl Let mongoc-config.h.in know about SSL status.
if test "$enable_ssl" = "yes" ; then
AC_SUBST(MONGOC_ENABLE_SSL, 1)
else
AC_SUBST(MONGOC_ENABLE_SSL, 0)
fi
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