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bc11759dd1
The dynamic generation of the linker version script for libnotmuch
exports has grown rather complicated.
Reverse the visibility control by hiding symbols by default using
-fvisibility=hidden, and explicitly exporting symbols in notmuch.h
using #pragma GCC visibility. (We could also use __attribute__
((visibility ("default"))) for each exported function, but the pragma
is more convenient.)
The above is not quite enough alone, as it would "leak" a number of
weak symbols from Xapian and C++ standard library. Combine it with a
small static version script that filters out everything except the
notmuch_* symbols that we explicitly exposed, and the C++ RTTI
typeinfo symbols for exception handling.
Finally, as the symbol hiding test can no longer look at the generated
symbol table, switch the test to parse the functions from notmuch.h.
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|---|---|---|
| .. | ||
| built-with.c | ||
| config.cc | ||
| database-private.h | ||
| database.cc | ||
| directory.cc | ||
| filenames.c | ||
| index.cc | ||
| Makefile | ||
| Makefile.local | ||
| message-file.c | ||
| message-private.h | ||
| message-property.cc | ||
| message.cc | ||
| messages.c | ||
| notmuch-private.h | ||
| notmuch.h | ||
| notmuch.sym | ||
| parse-time-vrp.cc | ||
| parse-time-vrp.h | ||
| query-fp.cc | ||
| query-fp.h | ||
| query.cc | ||
| regexp-fields.cc | ||
| regexp-fields.h | ||
| sha1.c | ||
| string-list.c | ||
| string-map.c | ||
| tags.c | ||
| thread.cc | ||