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Thomas Petazzoni 2b75114392 toolchain: add hidden BR2_TOOLCHAIN_HAS_SSP_STRONG boolean
This will allow toolchain to indicate if they support
-fstack-protector-strong or not.

Whenever the gcc version is >= 4.9, we always have SSP_STRONG support
if we have SSP support. However, some toolchains older than gcc 4.9
might have backported SSP_STRONG support, which is why we cannot rely
just on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9.

Having this "default" value allows to avoid adding a "select
BR2_TOOLCHAIN_HAS_SSP_STRONG" in the internal toolchain logic plus in
almost external toolchains. But it allows custom external toolchains
that are pre-4.9 to potentially declare that they support strong SSP.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
2020-02-20 22:58:02 +01:00
arch arch/arc: explicitly set "max-page-size" for GNU LD 2019-12-25 22:09:52 +01:00
board configs/qemu{x86, x86_64}: add a serial console 2020-02-16 22:24:56 +01:00
boot boot/arm-trusted-firmware: add missing qstrip 2020-02-11 23:37:31 +01:00
configs configs/qemu{x86, x86_64}: add a serial console 2020-02-16 22:24:56 +01:00
docs docs/website: add commercial support section 2020-02-20 21:32:23 +01:00
fs fs: don't use := when not needed 2019-10-27 10:35:06 +01:00
linux {linux, linux-headers}: bump 4.{4, 9, 14, 19}.x / 5.4.x series 2020-02-16 15:27:10 +01:00
package package/sdbusplus: fix indentation 2020-02-20 22:54:53 +01:00
support support/scripts/pkg-stats: iterate over CVEs in streaming 2020-02-20 21:31:05 +01:00
system Revert "system: don't attempt swapon/swapoff in inittab if not available" 2020-02-08 20:13:07 +01:00
toolchain toolchain: add hidden BR2_TOOLCHAIN_HAS_SSP_STRONG boolean 2020-02-20 22:58:02 +01:00
utils utils/check-package: ignore ACLOCAL_PATH 2020-02-04 17:15:19 +01:00
.defconfig arch: remove support for sh64 2016-09-08 22:15:15 +02:00
.flake8 .flake8: fix check for 80/132 columns 2019-04-10 12:31:33 +02:00
.gitignore
.gitlab-ci.yml support/testing: add runtime test for Crudini (py2 and py3) 2020-02-05 16:23:42 +01:00
.gitlab-ci.yml.in gitlab-ci: use our updated docker base image 2019-10-27 21:52:28 +01:00
CHANGES Update for 2020.02-rc1 2020-02-18 23:31:02 +01:00
Config.in core: implement per-package SDK and target 2019-11-29 14:24:05 +01:00
Config.in.legacy package/libcurl: rename curl binary config symbol 2020-02-16 11:20:23 +01:00
COPYING COPYING: add exception about patch licensing 2016-02-26 19:50:13 +01:00
DEVELOPERS DEVELOPERS: add Romain Naour for toolchain topic 2020-02-15 12:00:45 +01:00
Makefile Makefile: don't recreate staging symlink if it exists 2020-02-19 20:13:57 +01:00
Makefile.legacy Remove BR2_DEPRECATED 2016-10-15 23:14:45 +02:00
README

Buildroot is a simple, efficient and easy-to-use tool to generate embedded
Linux systems through cross-compilation.

The documentation can be found in docs/manual. You can generate a text
document with 'make manual-text' and read output/docs/manual/manual.text.
Online documentation can be found at http://buildroot.org/docs.html

To build and use the buildroot stuff, do the following:

1) run 'make menuconfig'
2) select the target architecture and the packages you wish to compile
3) run 'make'
4) wait while it compiles
5) find the kernel, bootloader, root filesystem, etc. in output/images

You do not need to be root to build or run buildroot.  Have fun!

Buildroot comes with a basic configuration for a number of boards. Run
'make list-defconfigs' to view the list of provided configurations.

Please feed suggestions, bug reports, insults, and bribes back to the
buildroot mailing list: buildroot@buildroot.org
You can also find us on #buildroot on Freenode IRC.

If you would like to contribute patches, please read
https://buildroot.org/manual.html#submitting-patches