tree 88f3add28ea1e6adece564238e6778e4d9168810
parent 58239d002023143d43bdd1eb78f427ce985ad10b
author Yi Kong <yikong@google.com> 1550701736 -0800
committer Yi Kong <yikong@google.com> 1550871195 -0800

Switch libm to libcrt.builtins

After switching libm from libgcc to libcrt.builtins, some of the symbols
are no longer getting included in libm, causing the compiler to complain
about missing symbols from the version script. Explicitly export them in
libc (since libm depends on libc).

Bug: 122993571
Test: m checkbuild
Test: bionic-unit-tests
Change-Id: Ie91765874d20df605f557b1a8c4236619553c549