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e4ebf9b0be
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Yann E. MORIN e4ebf9b0be core/pkg-toolchain-external: quiesce spurious stderr 
Since 392b0a26f5 (toolchain-external: default BR2_TOOLCHAIN_EXTERNAL_PATH
to empty), calling 'make clean' or similar can yield a spurious stderr
message:
    dirname: missing operand
    Try 'dirname --help' for more information.

Which is definitely baffling and unsettling...

It turns out that it is pretty trivial to reproduce, and this defconfig
is just enough:

    $ cat my-defconfig
    BR2_TOOLCHAIN_EXTERNAL=y

    $ make BR2_DEFCONFIG=$(pwd)/my-defconfig defconfig

    $ make clean
    dirname: missing operand
    Try 'dirname --help' for more information.
    [--snip--]

This is because the cross-compiler is not found in the PATH (and for
good reasons, I don't have it in the PATH, not even at all).

So, when the cross-compiler is not found in the path, we simply
continue as if all was good, and postpone the check to much later,
when we try to copy the toolchain libs...

So, use a make construct rather than calling to the shell: $(dir ...)
does not whine if passed nothing.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Arnout Vandecappelle <arnout@mind.be>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Thomas De Schampheleire <patrickdepinguin@gmail.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2017-08-19 15:06:45 +02:00
arch arch/arm: add big.LITTLE cpu variants 2017-07-22 23:29:24 +02:00
board board/beaglebone: skip bonegreen.dtb if not built 2017-08-11 22:36:39 +02:00
boot boot/syslinux: fix i386 bios build with recent binutils 2017-08-16 22:54:03 +02:00
configs configs/toradex_apalis_imx6: bump to U-Boot 2016.11 and kernel 4.1.41 2017-08-17 09:54:59 +02:00
docs Update for 2017.08-rc2 2017-08-11 22:36:39 +02:00
fs fs/iso9660: really create initrd temp dir 2017-08-15 17:50:11 +02:00
linux linux: Fix URL for release candidate versions 2017-08-11 12:35:16 +02:00
package package/openocd: add license infos 2017-08-17 09:55:03 +02:00
support support/testing: allow to use a multiplier for timeouts 2017-08-10 10:08:06 +02:00
system skeleton: Rename skeleton-sysv to skeleton-init-sysv 2017-08-14 21:52:45 +02:00
toolchain core/pkg-toolchain-external: quiesce spurious stderr 2017-08-19 15:06:45 +02:00
utils utils/readme.txt: add documentation of genrandconfig 2017-07-29 15:41:09 +02:00
.defconfig
.gitignore
.gitlab-ci.yml .gitlab-ci.yml: use large timeouts for runtime tests 2017-08-10 10:08:55 +02:00
.gitlab-ci.yml.in .gitlab-ci.yml: use large timeouts for runtime tests 2017-08-10 10:08:55 +02:00
CHANGES Update for 2017.08-rc2 2017-08-11 22:36:39 +02:00
Config.in Config.in: add BR2_HOST_GCC_AT_LEAST_7 2017-07-05 16:20:27 +02:00
Config.in.legacy binutils: remove support for 2.26 2017-08-01 23:38:05 +02:00
COPYING
DEVELOPERS configs/socrates_cyclone5: new defconfig 2017-08-02 21:45:26 +02:00
Makefile Update for 2017.08-rc2 2017-08-11 22:36:39 +02:00
Makefile.legacy
README

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