AC_MSG_ERROR(Cannot find OpenSSL's <evp.h>)
fi
+ old_CPPFLAGS=$CPPFLAGS
+ CPPFLAGS="-I$OPENSSL_INC"
+ AC_MSG_CHECKING(for OpenSSL version)
+ AC_EGREP_CPP(yes,[
+ #include <openssl/opensslv.h>
+ #if OPENSSL_VERSION_NUMBER >= 0x0090600fL
+ yes
+ #endif
+ ],[
+ AC_MSG_RESULT(>= 0.9.6)
+ ],[
+ AC_MSG_ERROR(OpenSSL version 0.9.6 or greater required.)
+ ])
+ CPPFLAGS=$old_CPPFLAGS
+
AC_ADD_LIBPATH($OPENSSL_DIR/lib)
AC_ADD_LIBRARY(ssl)
AC_ADD_LIBRARY(crypto)