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14-Aug-2015 |
Jocelyn Bohr <bohr@chromium.org> |
Allow compilation with -O2 flag, add -fPIC flag.
CL:292945 introduces CFLAGS environment variable, which contains -O2 in
emerge environment. This patch fixes compiler errors "warning:
dereferencing type-punned pointer will break strict-aliasing rules"
introduced by using -O2 flag.
This flag also introduces -fPIC when compiling not for embedded. This is
needed to link against libtpm2.
TEST=$ sudo emerge tpm2
builds libtpm2.a with all compiler flags
$ sudo emerge tpm2-simulator
builds tpm2-simulator
The simulator works as before with trunks (can run --startup,
--clear, and partially --own --owner_password="")
$ make EMBEDDED_MODE=1 ROOTDIR=1
builds libtpm2.a for embedded
BUG=none
Change-Id: Iacc821fb840b653af1466edfaa8e5615fd73b36e
Signed-off-by: Jocelyn Bohr <bohr@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/293815
Reviewed-by: Utkarsh Sanghi <usanghi@chromium.org>
/external/tpm2/PropertyCap.c
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