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author | H.J. Lu <hjl.tools@gmail.com> | 2017-07-07 12:46:07 -0700 |
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committer | H.J. Lu <hjl.tools@gmail.com> | 2017-10-24 04:12:06 -0700 |
commit | f7d1e9901e1220e2604b71f0807c71f9cf4235ab (patch) | |
tree | b6ee225b9792e0505e2ef10d510552842f9d9521 | |
parent | bf9129e6900e6f0ec7de8c043b5c4a87464f212b (diff) | |
download | gcc-hjl/pr82659.tar.gz |
Add bootstrap-cet.mk to bootstrap GCC with Intel CEThjl/pr82659
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.
-rw-r--r-- | config/bootstrap-cet.mk | 4 | ||||
-rw-r--r-- | gcc/doc/install.texi | 7 |
2 files changed, 11 insertions, 0 deletions
diff --git a/config/bootstrap-cet.mk b/config/bootstrap-cet.mk new file mode 100644 index 00000000000..f09193a6dea --- /dev/null +++ b/config/bootstrap-cet.mk @@ -0,0 +1,4 @@ +# This option enables -fcf-protection -mcet for stage2 and stage3. + +STAGE2_CFLAGS += -fcf-protection -mcet +STAGE3_CFLAGS += -fcf-protection -mcet diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi index da360da1c50..82a63607b2d 100644 --- a/gcc/doc/install.texi +++ b/gcc/doc/install.texi @@ -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 |