V2 [PATCH 2/4] mpi: Add .note.gnu.property section for Intel CET

[H.J. Lu]

* mpi/config.links: Include <cet.h> in <asm-syntax.h>.
--

When Intel CET is enabled, include <cet.h> in <asm-syntax.h> for
assembly codes to mark Intel CET support.

Signed-off-by: H.J. Lu <hjl.tools at gmail.com>
---
 mpi/config.links | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/mpi/config.links b/mpi/config.links
index 3ead4f08..4f43b732 100644
--- a/mpi/config.links
+++ b/mpi/config.links
@@ -382,6 +382,16 @@ if test x"$mpi_cpu_arch" = x ; then
     mpi_cpu_arch="unknown"
 fi
 
+# Add .note.gnu.property section for Intel CET in assembler sources
+# when CET is enabled.  */
+if test x"$mpi_cpu_arch" = xx86 ; then
+    cat <<EOF >> ./mpi/asm-syntax.h
+
+#if defined(__ASSEMBLER__) && defined(__CET__)
+# include <cet.h>
+#endif
+EOF
+fi
 
 # Make sysdep.h
 echo '/* created by config.links - do not edit */' >./mpi/sysdep.h
-- 
2.24.1