[Buildroot] [Bug 14816] New: Build fails on latest master with a systemd build failure, implicit func declaration gettid() error

[Buildroot] [Bug 14816] New: Build fails on latest master with a systemd build failure, implicit func declaration gettid() error

[bugzilla]

https://bugs.busybox.net/show_bug.cgi?id=14816

            Bug ID: 14816
           Summary: Build fails on latest master with a systemd build
                    failure, implicit func declaration gettid() error
           Product: buildroot
           Version: unspecified
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: blocker
          Priority: P5
         Component: Other
          Assignee: unassigned@buildroot.uclibc.org
          Reporter: amol.em33@gmail.com
                CC: buildroot@uclibc.org
  Target Milestone: ---

I building a root filesystem for Raspberry Pi 2 on my Ubuntu 20.04 machine and
my local Linaro precompiled cross-compilation toolchain. Not attempting to
build the kernel or bootloader since I've compiled that separately from source.

Following is the console error log. I have configured lot of packages and libs
for this build so attaching a .config file instead of listing them out here.

>>> systemd 250.4 Building
PATH="/home/amol/Projects/EmbeddedLinuxTools/buildroot/output/host/bin:/home/amol/Projects/EmbeddedLinuxTools/buildroot/output/host/sbin:/home/amol/anaconda3/condabin:/home/amol/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/home/amol/Projects/BBB/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin:/usr/local/bin/gm"
LC_ALL=C.UTF-8 PYTHONNOUSERSITE=y
/home/amol/Projects/EmbeddedLinuxTools/buildroot/output/host/bin/ninja   -C
/home/amol/Projects/EmbeddedLinuxTools/buildroot/output/build/systemd-250.4//build
ninja: Entering directory
`/home/amol/Projects/EmbeddedLinuxTools/buildroot/output/build/systemd-250.4//build'
[3/748] Compiling C object
src/libsystemd/libsystemd_static.a.p/sd-journal_journal-send.c.o
FAILED: src/libsystemd/libsystemd_static.a.p/sd-journal_journal-send.c.o 
/home/amol/Projects/EmbeddedLinuxTools/buildroot/output/host/bin/arm-linux-gnueabihf-gcc
-Isrc/libsystemd/libsystemd_static.a.p -Isrc/libsystemd -I../src/libsystemd
-Isrc/basic -I../src/basic -Isrc/fundamental -I../src/fundamental -Isrc/systemd
-I../src/systemd -I. -I.. -I../src/libsystemd/sd-bus
-I../src/libsystemd/sd-device -I../src/libsystemd/sd-event
-I../src/libsystemd/sd-hwdb -I../src/libsystemd/sd-id128
-I../src/libsystemd/sd-journal -I../src/libsystemd/sd-netlink
-I../src/libsystemd/sd-network -I../src/libsystemd/sd-resolve
-fdiagnostics-color=always -Wall -Winvalid-pch -Wextra -std=gnu99 -O3
-Wno-format-signedness -Wno-missing-field-initializers -Wno-unused-parameter
-Wdate-time -Wendif-labels -Werror=format=2
-Werror=implicit-function-declaration -Werror=incompatible-pointer-types
-Werror=int-conversion -Werror=overflow -Werror=override-init
-Werror=return-type -Werror=shift-count-overflow -Werror=shift-overflow=2
-Werror=undef -Wfloat-equal -Wimplicit-fallthrough=5 -Winit-self -Wlogical-op
-Wmissing-include-dirs -Wmissing-noreturn -Wnested-externs
-Wold-style-definition -Wpointer-arith -Wredundant-decls -Wshadow
-Wstrict-aliasing=2 -Wstrict-prototypes -Wsuggest-attribute=noreturn
-Wunused-function -Wwrite-strings -Wno-maybe-uninitialized -Wno-unused-result
-Werror=missing-declarations -Werror=missing-prototypes
-fdiagnostics-show-option -fno-common -fno-strict-aliasing -fstack-protector
-fstack-protector-strong -fvisibility=hidden --param=ssp-buffer-size=4
-ffunction-sections -fdata-sections -Werror=shadow -include config.h
-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0
-D_FORTIFY_SOURCE=1 -fPIC -pthread -fvisibility=default -MD -MQ
src/libsystemd/libsystemd_static.a.p/sd-journal_journal-send.c.o -MF
src/libsystemd/libsystemd_static.a.p/sd-journal_journal-send.c.o.d -o
src/libsystemd/libsystemd_static.a.p/sd-journal_journal-send.c.o -c
../src/libsystemd/sd-journal/journal-send.c
../src/libsystemd/sd-journal/journal-send.c: In function ‘close_journal_fd’:
../src/libsystemd/sd-journal/journal-send.c:76:25: error: implicit declaration
of function ‘gettid’; did you mean ‘getgid’?
[-Werror=implicit-function-declaration]
         if (getpid() != gettid())
                         ^~~~~~
                         getgid
../src/libsystemd/sd-journal/journal-send.c:76:25: warning: nested extern
declaration of ‘gettid’ [-Wnested-externs]
cc1: some warnings being treated as errors
[10/743] Compiling C object
src/libsystemd/libsystemd_static.a.p/sd-event_sd-event.c.o
ninja: build stopped: subcommand failed.
make[1]: *** [package/pkg-generic.mk:293:
/home/amol/Projects/EmbeddedLinuxTools/buildroot/output/build/systemd-250.4/.stamp_built]
Error 1
make: *** [Makefile:84: _all] Error 2

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[Buildroot] [Bug 14816] Build fails on latest master with a systemd build failure, implicit func declaration gettid() error

[bugzilla]

https://bugs.busybox.net/show_bug.cgi?id=14816

--- Comment #1 from Amol Dhamale <amol.em33@gmail.com> ---
Created attachment 9311
  --> https://bugs.busybox.net/attachment.cgi?id=9311&action=edit
The .config file after making custom configurations using menuconfig to
raspberrypi2_defconfig

https://github.com/amoldhamale1105/EmbeddedLinux/blob/master/boards/raspberrypi2/.config

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[Buildroot] [Bug 14816] Build fails on latest master with a systemd build failure, implicit func declaration gettid() error

[bugzilla]

https://bugs.busybox.net/show_bug.cgi?id=14816

Yann E. MORIN <yann.morin.1998@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |yann.morin.1998@free.fr

--- Comment #2 from Yann E. MORIN <yann.morin.1998@free.fr> ---
Amol, All,

The failure is because systemd calls gettid(), and you are using a toolchain
that is tool old to provide it.

Indeed, gettid() was only introduced in glibc 2.30, but the Linaro toolchain
still uses glibc 2.25.

Use another toolchain.

It is not really trivial to prevent such a configuration, because we dpo not
have kconfig symbols that repreesents the glibc version (like we have for the
kernel headers or gcc), so maybe we should just add an ad-hoc excluion of that
toolchain (and other old ones?) in systemd/Config.in

Regards,
Yann E. MRON.

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[Buildroot] [Bug 14816] Build fails on latest master with a systemd build failure, implicit func declaration gettid() error

[bugzilla]

https://bugs.busybox.net/show_bug.cgi?id=14816

Yann E. MORIN <yann.morin.1998@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED

--- Comment #3 from Yann E. MORIN <yann.morin.1998@free.fr> ---
Thank you for your report.

The issue tracker for the Buildroot project has been moved to
the Gitlab.com issue tracker:
    https://gitlab.com/buildroot.org/buildroot/-/issues

We are taking this opportunity to close old issues in this old
tracker. If you believe your issue is still relevant, please
open one in the new issue tracker.

Thank you!

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