mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-15 04:31:49 +08:00
37f980dc03
... and re-generate all possible configure files, since they may depend
on things in config/.
config/ChangeLog:
Sync with GCC
2018-06-08 Martin Liska <mliska@suse.cz>
* bootstrap-mpx.mk: Remove.
2018-05-10 Martin Liska <mliska@suse.cz>
PR bootstrap/64914
* bootstrap-ubsan.mk: Define UBSAN_BOOTSTRAP.
2018-05-09 Joshua Watt <jpewhacker@gmail.com>
* ax_pthread.m4: Add file.
2018-05-08 Richard Biener <rguenther@suse.de>
PR bootstrap/85571
* bootstrap-lto-noplugin.mk: Disable compare.
* bootstrap-lto.mk: Supply contrib/compare-lto for do-compare.
2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
PR bootstrap/85490
* bootstrap-cet.mk (STAGE4_CFLAGS): New.
2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
PR target/85485
* bootstrap-cet.mk (STAGE2_CFLAGS): Remove -mcet.
(STAGE3_CFLAGS): Likewise.
2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
PR target/85485
* cet.m4 (GCC_CET_FLAGS): Replace -mcet with -mshstk.
2018-04-19 Jakub Jelinek <jakub@redhat.com>
* cet.m4 (GCC_CET_FLAGS): Default to --disable-cet, replace
--enable-cet=default with --enable-cet=auto.
2018-04-18 David Malcolm <dmalcolm@redhat.com>
PR jit/85384
* acx.m4 (GCC_BASE_VER): Remove \$\$ from sed expression.
51 lines
968 B
Plaintext
51 lines
968 B
Plaintext
dnl
|
|
dnl GCC_CET_FLAGS
|
|
dnl (SHELL-CODE_HANDLER)
|
|
dnl
|
|
AC_DEFUN([GCC_CET_FLAGS],[dnl
|
|
GCC_ENABLE(cet, no, ,[enable Intel CET in target libraries],
|
|
permit yes|no|auto)
|
|
AC_MSG_CHECKING([for CET support])
|
|
|
|
case "$host" in
|
|
i[[34567]]86-*-linux* | x86_64-*-linux*)
|
|
case "$enable_cet" in
|
|
auto)
|
|
# Check if target supports multi-byte NOPs
|
|
# and if assembler supports CET insn.
|
|
AC_COMPILE_IFELSE(
|
|
[AC_LANG_PROGRAM(
|
|
[],
|
|
[
|
|
#if !defined(__SSE2__)
|
|
#error target does not support multi-byte NOPs
|
|
#else
|
|
asm ("setssbsy");
|
|
#endif
|
|
])],
|
|
[enable_cet=yes],
|
|
[enable_cet=no])
|
|
;;
|
|
yes)
|
|
# Check if assembler supports CET.
|
|
AC_COMPILE_IFELSE(
|
|
[AC_LANG_PROGRAM(
|
|
[],
|
|
[asm ("setssbsy");])],
|
|
[],
|
|
[AC_MSG_ERROR([assembler with CET support is required for --enable-cet])])
|
|
;;
|
|
esac
|
|
;;
|
|
*)
|
|
enable_cet=no
|
|
;;
|
|
esac
|
|
if test x$enable_cet = xyes; then
|
|
$1="-fcf-protection -mshstk"
|
|
AC_MSG_RESULT([yes])
|
|
else
|
|
AC_MSG_RESULT([no])
|
|
fi
|
|
])
|