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libcpp: Enable Intel CET on Intel CET enabled host for jit

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Since on Intel CET enabled host, dlopen in Intel CET enabled applications
fails on shared libraries which aren't Intel CET enabled, compile with
-fcf-protection on Intel CET enabled host when jit is enabled to enable
Intel CET on libgccjit.

	* Makefile.in (CET_HOST_FLAGS): New.
	(COMPILER): Add $(CET_HOST_FLAGS).
	* configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
	AC_SUBST(CET_HOST_FLAGS).  Clear CET_HOST_FLAGS if jit isn't
	enabled.
	* aclocal.m4: Regenerated.
	* configure: Likewise.
This commit is contained in:
H.J. Lu
2020-05-12 09:17:34 -07:00
parent 7e9c5bb0fd
commit 051da74259
5 changed files with 180 additions and 2 deletions
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libcpp/ChangeLog
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@@ -1,3 +1,13 @@
2020-05-12 H.J. Lu <hongjiu.lu@intel.com>
* Makefile.in (CET_HOST_FLAGS): New.
(COMPILER): Add $(CET_HOST_FLAGS).
* configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
AC_SUBST(CET_HOST_FLAGS). Clear CET_HOST_FLAGS if jit isn't
enabled.
* aclocal.m4: Regenerated.
* configure: Likewise.
2020-05-08 Nathan Sidwell <nathan@acm.org>
Reimplement directives only processing, support raw literals.