On Wed, Apr 29, 2020 at 03:44:19PM -0400, Daniele Buono wrote: > This patch adds a flag to enable the SafeStack instrumentation provided > by LLVM. > The checks make sure that the compiler supports the flags, and that we > are using the proper coroutine implementation (coroutine-ucontext). > While SafeStack is supported only on Linux, NetBSD, FreeBSD and macOS, > we are not checking for the O.S. since this is already done by LLVM. > > Signed-off-by: Daniele Buono <dbu...@linux.vnet.ibm.com> > --- > configure | 29 +++++++++++++++++++++++++++++ > 1 file changed, 29 insertions(+)
Great, this can become Patch 1 and it can set CONFIG_SAFESTACK as mentioned in my earlier reply. > diff --git a/configure b/configure > index 23b5e93752..f37e4ae0bd 100755 > --- a/configure > +++ b/configure > @@ -302,6 +302,7 @@ audio_win_int="" > libs_qga="" > debug_info="yes" > stack_protector="" > +safe_stack="no" The comment above this says: # Always add --enable-foo and --disable-foo command line args. Please add --disable-safe-stack.
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