Re: [Buildroot] Issue with compiling buildroot toolchain on Fedora

["Adrian Prałat" <apralat.mikroel@gmail.com>]

Right, yesterday I had no time so a quick glance did not show anything, 
but today I searched for errors and found the possible culprit:

configure:4715: $? = 0
configure:4704: /home/mikroel/project/buildroot/output/host/bin/ccache 
/usr/bin/gcc -v >&5
Using built-in specs.
COLLECT_GCC=/usr/bin/gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/9/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none:hsa
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 
9.4.0-1ubuntu1~20.04.1' 
--with-bugurl=file:///usr/share/doc/gcc-9/README.Bugs 
--enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 
--prefix=/usr --with-gcc-major-version-only --program-suffix=-9 
--program-prefix=x86_64-linux-gnu- --enable-shared 
--enable-linker-build-id --libexecdir=/usr/lib 
--without-included-gettext --enable-threads=posix --libdir=/usr/lib 
--enable-nls --enable-clocale=gnu --enable-libstdcxx-debug 
--enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new 
--enable-gnu-unique-object --disable-vtable-verify --enable-plugin 
--enable-default-pie --with-system-zlib --with-target-system-zlib=auto 
--enable-objc-gc=auto --enable-multiarch --disable-werror 
--with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 
--enable-multilib --with-tune=generic 
--enable-offload-targets=nvptx-none=/build/gcc-9-Av3uEd/gcc-9-9.4.0/debian/tmp-nvptx/usr,hsa 
--without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu 
--host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 9.4.0 (Ubuntu 9.4.0-1ubuntu1~20.04.1)
configure:4715: $? = 0
configure:4704: /home/mikroel/project/buildroot/output/host/bin/ccache 
/usr/bin/gcc -V >&5
gcc: error: unrecognized command line option '-V'
gcc: fatal error: no input files
compilation terminated.
configure:4715: $? = 1
configure:4704: /home/mikroel/project/buildroot/output/host/bin/ccache 
/usr/bin/gcc -qversion >&5
gcc: error: unrecognized command line option '-qversion'; did you mean 
'--version'?
gcc: fatal error: no input files
compilation terminated.
configure:4715: $? = 1
configure:4735: checking whether the C compiler works
configure:4757: /home/mikroel/project/buildroot/output/host/bin/ccache 
/usr/bin/gcc -O2 -I/home/mikroel/project/buildroot/output/host/include 
-I/home/mikroel/project/buildroot/output/host/include 
-L/home/mikroel/project/buildroot/output/host/lib 
-Wl,-rpath,/home/mikroel/project/buildroot/output/host/lib conftest.c  >&5
configure:4761: $? = 0
configure:4809: result: yes
configure:4812: checking for C compiler default output file name
configure:4814: result: a.out
configure:4820: checking for suffix of executables
configure:4827: /home/mikroel/project/buildroot/output/host/bin/ccache 
/usr/bin/gcc -o conftest -O2 
-I/home/mikroel/project/buildroot/output/host/include 
-I/home/mikroel/project/buildroot/output/host/include 
-L/home/mikroel/project/buildroot/output/host/lib 
-Wl,-rpath,/home/mikroel/project/buildroot/output/host/lib conftest.c  >&5
configure:4831: $? = 0
configure:4853: result:
configure:4875: checking whether we are cross compiling
configure:4883: /home/mikroel/project/buildroot/output/host/bin/ccache 
/usr/bin/gcc -o conftest -O2 
-I/home/mikroel/project/buildroot/output/host/include 
-I/home/mikroel/project/buildroot/output/host/include 
-L/home/mikroel/project/buildroot/output/host/lib 
-Wl,-rpath,/home/mikroel/project/buildroot/output/host/lib conftest.c  >&5
configure:4887: $? = 0
configure:4894: ./conftest
configure:4898: $? = 0
configure:4886: result: no
configure:4891: checking for suffix of object files
configure:4913: /home/mikroel/project/buildroot/output/host/bin/ccache 
/usr/bin/gcc -c -O2 
-I/home/mikroel/project/buildroot/output/host/include 
-I/home/mikroel/project/buildroot/output/host/include conftest.c >&5
ccache: error: Failed to create directory 
/home/mikroel/.buildroot-ccache/tmp: Permission denied
configure:4917: $? = 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "GNU M4"
| #define PACKAGE_TARNAME "m4"
| #define PACKAGE_VERSION "1.4.18"
| #define PACKAGE_STRING "GNU M4 1.4.18"
| #define PACKAGE_BUGREPORT "bug-m4@gnu.org"
| #define PACKAGE_URL "http://www.gnu.org/software/m4/"
| #define PACKAGE "m4"
| #define VERSION "1.4.18"
| /* end confdefs.h.  */
|
| int
| main ()
| {
|
|   ;
|   return 0;
| }
configure:4931: error: in 
`/home/mikroel/project/buildroot/output/build/host-m4-1.4.18':
configure:4933: error: cannot compute suffix of object files: cannot compile
See `config.log' for more details

## ---------------- ##
## Cache variables. ##
## ---------------- ##

In package config I tried passing in the `--without-config` flag in the 
`HOST_M4_CONF_OPTS`, but it made no difference. However, disabling the 
ccache in the device config file allowed the compilation to proceed.

For my purposes this is ok for now, but I would like the ccache to 
function properly, what can I do to help find the cause?

On 6/2/23 08:12, James Hilliard wrote:
> On Fri, Jun 2, 2023 at 12:06 AM Adrian Prałat <apralat.mikroel@gmail.com> wrote:
>> Hi all,
>>
>> today we hit an issue with compiling the toolchain for our device, the issue is with the package M4.
>>
>> During the compilation on other machines running Debian (kernel 5.10.0-23-amd64) everything builds normally. On my system however (Fedora 38, kernel 6.3.4-201.fc38.x86_64) the build fails with the message:
>>
>> configure: error: cannot compute suffix of object files: cannot compile
>> See `config.log' for more details
>> make: *** [package/pkg-generic.mk:222: /home/mikroel/project/buildroot/output/build/host-m4-1.4.18/.stamp_configured] Error 1
>>
>> The only difference should be the kernel, since we build our images in ubuntu 22.04 docker containers. The issue is present on branch 2018.08.4 and also other branches, such as current 2023.05-rc2
>>
>> Any ideas on what can we can check or do to narrow down the issue and correct the problem in buildroot itself?
> Check the config.log file as the error message suggests.
>
>> --
>> Pozdrawiam / Regards, Adrian Prałat
>>
>> _______________________________________________
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>> buildroot@buildroot.org
>> https://lists.buildroot.org/mailman/listinfo/buildroot
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