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

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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>
* 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>
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
@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}
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