- CPPFLAGS="$tinc_ac_save_CPPFLAGS"
-
- AC_CHECK_LIB(crypto, SHA1_version,
- [LIBS="$LIBS -lcrypto"],
- [AC_MSG_ERROR("OpenSSL libraries not found.")]
- )
-
- AC_CHECK_FUNCS(RAND_pseudo_bytes)
-
- AC_CHECK_FUNC(OpenSSL_add_all_algorithms,
- [],
- AC_CHECK_FUNC(SSLeay_add_all_algorithms,
- [AC_DEFINE(HAVE_SSLEAY_ADD_ALL_ALGORITHMS)],
- [AC_MSG_ERROR("Missing required OpenSSL functionality!")]
- )
- )
-
- AC_CHECK_FUNC(dlopen,
- [],
- AC_CHECK_LIB(dl, dlopen,
- [LIBS="$LIBS -ldl"],
- [AC_MSG_ERROR("OpenSSL depends on libdl.")]
- )
+ AC_CHECK_LIB(crypto, OPENSSL_init_crypto,
+ [LIBS="-lcrypto $LIBS"],
+ [AC_MSG_ERROR([LibreSSL/OpenSSL libraries not found.])]