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enables explictly shadow stack and indirect branch tracking on intel #4686

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enables explictly shadow stack and indirect branch tracking on intel #4686

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18 changes: 18 additions & 0 deletions config.m4
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Original file line number Diff line number Diff line change
Expand Up @@ -324,6 +324,24 @@ AC_DEFUN([AC_SWOOLE_CHECK_SOCKETS], [
if test "$ac_cv_gethostbyname2_r" = yes; then
AC_DEFINE(HAVE_GETHOSTBYNAME2_R,1,[Whether you have gethostbyname2_r])
fi

AC_CACHE_CHECK([Intel/AMD CET support],[ac_cv_intel_amd_cet],
[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],
[[
#ifdef __CET__
return 0;
#else
return 1;
#endif
]])],
[ac_cv_intel_amd_cet=yes], [ac_cv_intel_amd_cet=no])
])

if test "$ac_cv_intel_amd_cet" = yes; then
CFLAGS="$CFLAGS -Wl,-zibt -Wl,-zshstk"
fi

])

AC_MSG_CHECKING([if compiling with clang])
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