On 2021-04-15 14:01 +0100, John Burrell via lfs-dev wrote:
> Using the systemd development version of the book 20210326-systemd,
> when compiling I get:
>
> FAILED: systemd-rfkill.p/src_rfkill_rfkill.c.o
>
> and then:
>
> ../src/rfkill/rfkill.c:339:23: warning: comparison of integer
> expressions of different signedness: ‘ssize_t’ {aka ‘long int’} and
> ‘long unsigned int’ [-Wsign-compare]
> 339 | if (l < RFKILL_EVENT_SIZE_V1)
> | ^
> In file included from ../src/basic/macro.h:657,
> from ../src/basic/alloc-util.h:9,
> from ../src/rfkill/rfkill.c:13:
> ../src/rfkill/rfkill.c:340:70: error: format ‘%d’ expects argument of
> type ‘int’, but argument 8 has type ‘long unsigned int’
> [-Werror=format=]
> 340 | return
> log_error_errno(SYNTHETIC_ERRNO(EIO), "Short read of struct
> rfkill_event: (%zd < %d)",
>
> and finally:
>
> cc1: some warnings being treated as errors
> [791/1466] Compiling C object
> src/resolve/libsystemd-resolve-core.a.p/resolved-dns-packet.c.o
> ninja: build stopped: subcommand failed.
>
> Out of interest, I tried version 248 but that produced the same result.
It's caused by changes in Linux 5.11.14 (API headers). I'll raise a PR in
systemd.
The kernel version in the book (5.11.10) won't trigger this.
--
Xi Ruoyao <xry...@mengyan1223.wang>
School of Aerospace Science and Technology, Xidian University
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