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There is an existing macro to declare atexit data structure as global variables, so that it can be discarded if not used to save memory consumption. But this macro was only enabled for certain targets. This patch adds an configure option --disable-reenterable-atexit for more targets. ChangeLog: 2013-10-16 Joey Ye <joey.ye@arm.com> configure.in (disable-reenterable-atexit): New option. configure: Regenerated. newlib.hin (_REENT_GLOBAL_ATEXIT): Place-holder. README (disable-reenterable-atexit): Description for new option.
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