<div>Many thanks Tom,</div><div> </div><div>I am thinking about it.</div><div> </div><div>-- </div><div>Regards Nick<div> </div><div> +7(916)175-3061</div><div> +7(958)820-7975</div><div> </div><div> </div><div> </div><div> </div><div>09.06.2020, 18:24, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>:</div><blockquote><p>=?utf-8?B?0J3QuNC60L7Qu9Cw0Lkg0KfQsNC00LDQtdCy?= <<a href="mailto:nick-ch58(at)yandex(dot)ru">nick-ch58(at)yandex(dot)ru</a>> writes:<br />PG>make PG_CONFIG=/usr/pgsql-12/bin/pg_config<br />. . . . . .<br />$>make PG_CONFIG=/usr/pgsql-12/bin/pg_config<br />/opt/rh/llvm-toolset-7/root/usr/bin/clang -Wno-ignored-attributes -fno-strict-aliasing -fwrapv -O2 -I. -I./ -I/usr/pgsql-12/include/server -I/usr/pgsql-12/include/internal -D_GNU_SOURCE -I/usr/include/libxml2 -I/usr/include -flto=thin -emit-llvm -c -o pg_hashids.bc pg_hashids.c<br />clang: error: unknown argument: '-flto=thin'<br /><br />Hm. I'm guessing that that version of clang is too old. Are you<br />perhaps overriding the value of CLANG that our Makefile.global<br />tries to set?<br /><br /> regards, tom lane</p></blockquote></div>