I get:
------
[418/1741] Compiling C object 'src/core/2ac6ece@@core@sta/path.c.o'
FAILED: src/core/2ac6ece@@core@sta/path.c.o
cc -Isrc/core/2ac6ece@@core@sta -Isrc/core -I../src/core -Isrc/basic
-I../src/basic -Isrc/boot -I../src/boot -Isrc/shared -I../src/shared
-Isrc/systemd -I../src/systemd -Isrc/journal -I../src/journal
-Isrc/journal-remote -I../src/journal-remote -Isrc/nspawn
-I../src/nspawn -Isrc/resolve -I../src/resolve -Isrc/timesync
-I../src/timesync -I../src/time-wait-sync -Isrc/login -I../src/login
-Isrc/udev -I../src/udev -Isrc/libudev -I../src/libudev -Isrc/shutdown
-I../src/shutdown -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-netlink
-I../src/libsystemd/sd-network -I../src/libsystemd/sd-resolve
-Isrc/libsystemd-network -I../src/libsystemd-network -I. -I..
-I/usr/include/libmount -I/usr/include/blkid -fdiagnostics-color=always
-pipe -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra -std=gnu99 -O3
-Wno-unused-parameter -Wno-missing-field-initializers -Wno-unused-
result -Wno-format-signedness -Werror=undef -Wlogical-op -Wmissing-
include-dirs -Wold-style-definition -Wpointer-arith -Winit-self
-Wfloat-equal -Wsuggest-attribute=noreturn -Werror=missing-prototypes
-Werror=implicit-function-declaration -Werror=missing-declarations
-Werror=return-type -Werror=incompatible-pointer-types -Werror=format=2
-Wstrict-prototypes -Wredundant-decls -Wmissing-noreturn -Wimplicit-
fallthrough=5 -Wshadow -Wendif-labels -Wstrict-aliasing=2 -Wwrite-
strings -Werror=overflow -Werror=shift-count-overflow -Werror=shift-
overflow=2 -Wdate-time -Wnested-externs -Wno-error=nonnull -Wno-maybe-
uninitialized -ffast-math -fno-common -fdiagnostics-show-option -fno-
strict-aliasing -fvisibility=hidden -fstack-protector -fstack-
protector-strong --param=ssp-buffer-size=4 -ffunction-sections -fdata-
sections -Werror=shadow -include config.h -fPIC -pthread -MD -MQ
'src/core/2ac6ece@@core@sta/path.c.o' -MF 'src/core/2ac6ece@@core@sta/p
ath.c.o.d' -o 'src/core/2ac6ece@@core@sta/path.c.o' -c
../src/core/path.c
../src/core/path.c: In function ‘path_serialize’:
../src/core/path.c:616:24: error: ‘%s’ directive argument is null [-
Werror=format-overflow=]
616 | (void) serialize_item_format(f, "path-spec",
"%s %i %s",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~
617
| path_type_to_string(s-
>type),
| ~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~
618 | s-
>previous_exists,
| ~~~~~~~~~~~~~~~~~~
~
619 | s->path);
| ~~~~~~~~
In function ‘path_spec_dump’,
inlined from ‘path_dump’ at ../src/core/path.c:392:17:
../src/core/path.c:226:9: error: ‘%s’ directive argument is null [-
Werror=format-overflow=]
226 | fprintf(f,
| ^~~~~~~~~~
227 | "%s%s: %s\n",
| ~~~~~~~~~~~~~
228 | prefix,
| ~~~~~~~
229 | path_type_to_string(s->type),
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
230 | s->path);
| ~~~~~~~~
cc1: some warnings being treated as errors
------
This has been reported upstream:
https://github.com/systemd/systemd/issues/14691
But this particular part does not seem to have been fixed.
As a workaround, I've added: CFLAGS=-Wno-format-overflow to the meson
command. It may not be the best thing to do to pass CFLAGS, but I do
not know enough of meson to do better...
Pierre
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