[tao-announce] ACE 6.5.7 and TAO 2.5.7 available for download

Johnny Willemsen jwillemsen at remedy.nl
Fri Nov 22 03:52:48 CST 2019

Hi all,

Once again, thanks to the efforts of many developers, testers, and
users, we are pleased to announce the micro release of ACE 6.5.7 and TAO
2.5.7 which is available from the usual download location at:


under the heading "Latest Micro Release".

Or from the github release page at:


The doxygen documentation for this release is also available.  In
addition to the packages combined of sources and generate makefiles,
this release provides source-only packages for developers who use MPC to
generate their own makefiles.

We encourage you to download the new release, use it with your
applications, and let us know if you encounter any problems. Please use the:


so that we have the proper version/platform/compiler/options you're
using to report problems.

Overviews of our recent changes are available at:


The overall success rates for the test results gathered from all our
daily builds is 98% for the ACE tests and 98% for the TAO tests.

Please see:


for a summary of these tests.  As always, we appreciate your help in
resolving any remaining problems. Please see:


for an overview of our bug fixing policies.  Moreover, please see:


for information commercial support services available from various

The following is a list of key changes since the last major release.
Please refer to the corresponding ChangeLog files, NEWS files, or
github issues for more details on the problem and the nature of fixes

Changes to ACE

. Fixed compile problem with glibc 2.30 and newer
. gnuace makefiles: Updated handling of generated files and use
requires/avoids to make postbuild steps conditional
. Removed references to the ACE_LACKS_MONOTONIC_TIME preprocessor macro
because it was equivalent to ACE_LACKS_CLOCK_MONOTONIC.
. Exposed support status of monotonic times features using preprocessor
macros. See "Testing for Monotonic Time Support" in
docs/ACE-monotonic-timer.html for details.
. Added support for ARM and ARM64 stack traces with Microsoft Visual C++.
. The "optional argument for the receive address in
ACE_SOCK_Dgram::recv" feature from ACE-6.5.5 is now supported on
Windows.  This includes enhanced support for sendmsg/recvmsg on Windows.

Changes to TAO

. Fixed deprecated-copy warnings in TAO_IDL generated code
. The TAO IDL Frontend now supports annotations on interfaces,
operations, and attributes. (#967)
. `idl_global->eval` in the TAO IDL Frontend will now produce error and
warning messages. This can be silenced by passing `true` as a second
argument. (#967)
. Expanded documentation on what can be annotated and roughly how to
extend annotation support in `TAO_IDL/docs/annotations.md`. Also made
various corrections. (#967)
. Fixed invalid free in the TAO IDL Frontend while parsing an IDL
wstring literal. (#984)

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