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Add spectre v2 migitations for GCC

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Loganaden Velvindron 2018-02-18 18:58:24 +04:00
parent 91b774d49d
commit 1203d721ce
1 changed files with 3 additions and 0 deletions
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3
configure.ac
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@ -202,6 +202,9 @@ AC_CHECK_DEFINE([_FORTIFY_SOURCE], [], [
AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],
[CFLAGS="$CFLAGS -fvisibility=hidden"])
AX_CHECK_COMPILE_FLAG([-mfunction-return=thunk -mindirect-branch=thunk],
[CFLAGS="$CFLAGS -mfunction-return=thunk -mindirect-branch=thunk"])
AS_CASE([$host_os], [cygwin*|mingw*|msys|pw32*|cegcc*], [ ], [
AX_CHECK_COMPILE_FLAG([-fPIC], [CFLAGS="$CFLAGS -fPIC"])
])