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Add bootstrap-cet.mk to bootstrap GCC with Intel CET 

Bootstrap GCC with Intel CET by configuring GCC with

--with-build-config="bootstrap-cet bootstrap-debug"

Tested on Linux/i686 and Linux/x86-64.

config/

	* bootstrap-cet.mk: New file.

gcc/

	* doc/install.texi: Document bootstrap-cet.

From-SVN: r254043
This commit is contained in:
H.J. Lu 2017-10-24 12:50:03 +00:00 committed by H.J. Lu
parent 160826fefd
commit c58a9f350a
4 changed files with 19 additions and 0 deletions
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4
config/ChangeLog
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@ -1,3 +1,7 @@
2017-10-24 H.J. Lu <hongjiu.lu@intel.com>
* bootstrap-cet.mk: New file.
2017-06-19 Martin Liska <mliska@suse.cz> 2017-06-19 Martin Liska <mliska@suse.cz>
* bootstrap-lto-noplugin.mk: Enable -flto in all PGO stages. * bootstrap-lto-noplugin.mk: Enable -flto in all PGO stages.

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config/bootstrap-cet.mk Normal file
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@ -0,0 +1,4 @@
# This option enables -fcf-protection -mcet for stage2 and stage3.
STAGE2_CFLAGS += -fcf-protection -mcet
STAGE3_CFLAGS += -fcf-protection -mcet

4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2017-10-24 H.J. Lu <hongjiu.lu@intel.com>
* doc/install.texi: Document bootstrap-cet.
2017-10-24 H.J. Lu <hongjiu.lu@intel.com> 2017-10-24 H.J. Lu <hongjiu.lu@intel.com>
PR target/82659 PR target/82659

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gcc/doc/install.texi
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@ -2492,6 +2492,13 @@ useful to verify the full @option{-fcompare-debug} testing coverage. It
must be used along with @code{bootstrap-debug-lean} and must be used along with @code{bootstrap-debug-lean} and
@code{bootstrap-debug-lib}. @code{bootstrap-debug-lib}.
@item @samp{bootstrap-cet}
This option enables Intel CET for host tools during bootstrapping.
@samp{BUILD_CONFIG=bootstrap-cet} is equivalent to adding
@option{-fcf-protection -mcet} to @samp{BOOT_CFLAGS}. This option
assumes that the host supports Intel CET (e.g. GNU assembler version
2.30 or later).
@item @samp{bootstrap-time} @item @samp{bootstrap-time}
Arranges for the run time of each program started by the GCC driver, Arranges for the run time of each program started by the GCC driver,
built in any stage, to be logged to @file{time.log}, in the top level of built in any stage, to be logged to @file{time.log}, in the top level of