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..
Copyright 1988-2022 Free Software Foundation, Inc.
This is part of the GCC manual.
For copying conditions, see the copyright.rst file.
.. _enabling-libitm:
Enabling libitm
---------------
To activate support for TM in C/C++, the compile-time flag :option:`-fgnu-tm`
must be specified. This enables TM language-level constructs such as
transaction statements (e.g., ``__transaction_atomic``, see :ref:`c-c++-language-constructs-for-tm` for details).
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