[OpenWrt-Devel] OpenWRT broken for some reason in my system

[Hannu Nyman]

I am not sure if there is anything that strange.
See https://dev.openwrt.org/browser/trunk/include/prereq-build.mk#L27

'gcc' basically just checks that gcc exists. (check that it responds to 'gcc 
--version' command)
'working-gcc' checks if gcc actually can compile anything. It tries to 
compile an one-line program.
The later five failing tests also depend on a working gcc.

If you are really interested, check the test command from lines 39-40 manually:
  echo 'int main(int argc, char **argv) { return 0; }' | gcc -x c -o 
$(TMP_DIR)/a.out -

Manually running it might give a better error message.


On 9.11.2015 19:18, Carlos Ferreira wrote:
> The weirdest part is this.
>
> Checking 'gcc'... ok.
> Checking 'working-gcc'... failed.
> Checking 'g++'... ok.
> Checking 'working-g++'... failed.
> Checking 'ncurses'... failed.
> Checking 'zlib'... failed.
> Checking 'libssl'... failed.
>
>
> GCC and G++ checks out but the tests implemented in prereq-build.mk 
> <http://prereq-build.mk> (working-gcc and working-g++) seem to fail.
> I too believe this was triggered by a recent OS update.
>
>
> On 9 November 2015 at 17:14, Carlos Ferreira <carlosmf.pt at gmail.com 
> <mailto:carlosmf.pt at gmail.com>> wrote:
>
>     For reference, I'm using Manjaro Linux (Arch Linux based).
>
>     [claymore at Claymore trunk]$ uname -a
>     Linux Claymore 4.3.0-1-MANJARO #1 SMP PREEMPT Mon Nov 2 07:40:28 UTC
>     2015 x86_64 GNU/Linux
>
>
>     On 9 November 2015 at 16:42, Hannu Nyman <hannu.nyman at iki.fi
>     <mailto:hannu.nyman at iki.fi>> wrote:
>
>         One more "me too" report:
>         There was probably something unusual in the last OS kernel update
>         for Ubuntu 15.10 x64, which has caused some compiler tools to
>         require re-installation.
>
>         I updated Ubuntu 15.10 kernel last week along other updates offered
>         by the system, and after the kernel update I ran a command to purge
>         old kernels, like I always do after kernel updates. At that point I
>         noticed that exceptionally also a few of the build
>         tools/prerequisities of Openwrt got uninstalled at the same time.
>         Almost like there had been a forced dependency to the previous
>         kernel version. Normally only the old kernel modules are purged, so
>         this looked strange.
>
>         I re-installed the Openwrt prerequisities (gcc-multilib, flex,
>         git-core, gettext, libssl-dev, ...). Not all of those needed
>         re-installation, but some did. So some of them had been really
>         uninstalled. Since then the things have been normal again.
>
>         Your situation pretty much matches what I would probably have seen
>         if I had not re-installed the prerequisities.
>         Just try reinstalling the ~20 prerequisities for Openwrt and see if
>         that helps.
>
>         I don't think that this has anything to do with Openwrt itself.
>

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