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Waldemar Brodkorb c101f1b1b8 gcc: add hidden symbol for defaults
Some architectures, f.e. Blackfin doesn't support to configure GCC with
--with-cpu to set some CPU specific default CFLAGS (-mcpu=foo). Use a
hidden config symbol to give a hint which architecture supports it,
otherwise add defaults to toolchain wrapper for internal toolchains.

Idea from Thomas Petazzoni.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
[Thomas:
 - simplify the Config.in logic with just one option named
   BR2_GCC_ARCH_HAS_CONFIGURABLE_DEFAULTS, defined in package/gcc in one
   place.
 - improve the organization of the code and name of variables.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-07-04 10:58:40 +02:00
arch m68k: remove BR2_GCC_TARGET_ARCH 2016-06-07 13:11:59 +02:00
board board: add support for Chromebook Snow 2016-07-03 22:24:57 +02:00
boot barebox: bump to version 2016.06.0 2016-06-23 21:07:17 +02:00
configs board: add support for Chromebook Snow 2016-07-03 22:24:57 +02:00
docs docs/manual: document dependency on fortran 2016-07-03 16:58:11 +02:00
fs fs/common: add option to execute custom scripts under fakeroot 2016-07-03 20:58:46 +02:00
linux linux: bump default to version 4.6.3 2016-06-27 10:22:26 +02:00
package gcc: add hidden symbol for defaults 2016-07-04 10:58:40 +02:00
support support/download: don't over-remove files from git archives 2016-07-04 10:04:22 +02:00
system fs/common: add option to execute custom scripts under fakeroot 2016-07-03 20:58:46 +02:00
toolchain toolchain/toolchain-external: update external toolchains that have Fortran support 2016-07-03 16:58:11 +02:00
.defconfig
.gitignore
CHANGES Update for 2016.05 2016-05-31 23:52:36 +02:00
Config.in Config.in: indentation cleanup 2016-07-02 18:54:06 +02:00
Config.in.legacy systemd-bootchart: New package 2016-07-02 16:45:34 +02:00
COPYING
Makefile reproducibility: override locale and timezone 2016-07-02 12:00:24 +02:00
Makefile.legacy
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