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Elliott Hughes 7efad83d43 Ensure __set_errno is still visible on LP32.

The use of the .hidden directive to avoid going via the PLT for
__set_errno had the side-effect of actually making __set_errno
hidden (which is odd because assembler directives don't usually
affect symbols defined in a different file --- you can't even
create a weak reference to a symbol that's defined in a different
file).

This change switches the system call stubs over to a new always-hidden
__set_errno_internal and has a visible __set_errno on LP32 just for
binary compatibility with old NDK apps.

Bug: 17423135
Change-Id: I6b6d7a05dda85f923d22e5ffd169a91e23499b7b

2014-09-08 15:36:21 -07:00

benchmarks

Start hiding "private/bionic_time.h".

2014-07-25 15:24:57 -07:00

libc

Ensure __set_errno is still visible on LP32.

2014-09-08 15:36:21 -07:00

libdl

Turn on -Wunused and fix the mistakes it uncovers.

2014-06-03 15:22:34 -07:00

libm

Use __GNUC_PREREQ rather than __GNUC_PREREQ__ to match glibc.