I get this error building coreutils from git (make V=1):
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| gcc -I. -I./lib -Ilib -I./lib -Isrc -I./src -Werror -Wall
-Warith-conversion -Wbad-function-cast -Wcast-align=strict -Wdate-time
-Wdisabled-optimization -Wduplicated-cond -Wextra -Wformat-signedness
-Winit-self -Winvalid-pch -Wlogical-op -Wmissing-declarations
-Wmissing-include-dirs -Wnull-dereference -Wopenmp-simd -Woverlength-strings
-Wpacked -Wpointer-arith -Wshadow -Wstrict-prototypes -Wsuggest-attribute=cold
-Wsuggest-attribute=const -Wsuggest-attribute=format -Wsuggest-attribute=malloc
-Wsuggest-attribute=noreturn -Wsuggest-attribute=pure -Wsuggest-final-methods
-Wsuggest-final-types -Wsync-nand -Wtrampolines -Wunknown-pragmas
-Wvariadic-macros -Wvla -Wwrite-strings -Warray-bounds=2 -Wattribute-alias=2
-Wbidi-chars=any,ucn -Wformat=2 -Wimplicit-fallthrough=5 -Wshift-overflow=2
-Wuse-after-free=3 -Wunused-const-variable=2 -Wvla-larger-than=4031
-Wno-sign-compare -Wno-unused-parameter -Wno-format-nonliteral
-fdiagnostics-show-option -funit-at-a-time -Wno-return-local-addr
-Wno-stringop-overflow -Wno-cast-qual -Wno-conversion -Wno-float-equal
-Wno-sign-compare -Wno-undef -Wno-unused-function -Wno-unused-parameter
-Wno-float-conversion -Wimplicit-fallthrough -Wno-pedantic -Wno-sign-conversion
-Wno-type-limits -Wno-unsuffixed-float-constants -g -O2 -MT
lib/libcoreutils_a-file-has-acl.o -MD -MP -MF
lib/.deps/libcoreutils_a-file-has-acl.Tpo -c -o
lib/libcoreutils_a-file-has-acl.o `test -f 'lib/file-has-acl.c' || echo
'./'`lib/file-has-acl.c
| lib/file-has-acl.c: In function 'have_xattr':
| lib/file-has-acl.c:54:1: error: function might be candidate for attribute
'pure' if it is known to return normally [-Werror=suggest-attribute=pure]
| 54 | have_xattr (char const *attr, char const *listbuf, ssize_t listsize)
| | ^~~~~~~~~~
| cc1: all warnings being treated as errors
| make[2]: *** [Makefile:13267: lib/libcoreutils_a-file-has-acl.o] Error 1
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This is on Debian unstable, amd64 architecture and GCC 12.2.0.
Cheers,
Sven
