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shlib-compat: Update documentation of the compat_symbol_reference macro

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Carlos O'Donell 2017-10-16 20:43:28 +02:00 committed by Florian Weimer
parent 596f70134a
commit 3480ddc40b
2 changed files with 11 additions and 2 deletions
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ChangeLog
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@ -1,3 +1,8 @@
2017-10-16 Carlos O'Donell <carlos@redhat.com>
* include/shlib-compat.h (compat_symbol_reference): Update
comment.
2017-10-16 Joseph Myers <joseph@codesourcery.com>
* math/Makefile (test-types): Add

8
include/shlib-compat.h
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@ -78,8 +78,12 @@
#endif
/* Use compat_symbol_reference for a reference to a specific version
of a symbol. Use compat_symbol to define such a symbol. */
/* Use compat_symbol_reference for a reference *or* definition of a
specific version of a symbol. Definitions are primarily used to
ensure tests reference the exact compat symbol required, or define an
interposing symbol of the right version e.g. __malloc_initialize_hook
in mcheck-init.c. Use compat_symbol to define such a symbol within
the shared libraries that are built for users. */
#define compat_symbol_reference(lib, local, symbol, version) \
compat_symbol_reference_1 (lib, local, symbol, version)
#define compat_symbol_reference_1(lib, local, symbol, version) \