On Sun, 2018-02-04 at 11:42 +0100, Thomas Trepl wrote:
> Hi,
> 
> got a abort message when compiling postgresql:
> 
> gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-
> statement -Wendif-labels -Wmissing-format-attribute -Wformat-security
> -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2
> -I../../../src/interfaces/libpq -DFRONTEND -I../../../src/include  -
> D_GNU_SOURCE   -c -o copy_fetch.o copy_fetch.c
> copy_fetch.c:159:1: Fehler: In Konflikt stehende Typen für
> »copy_file_range«
>  copy_file_range(const char *path, off_t begin, off_t end, bool
> trunc)
>  ^~~~~~~~~~~~~~~
> In file included from copy_fetch.c:15:0:
> /usr/include/unistd.h:1110:9: Anmerkung: Vorherige Deklaration von
> »copy_file_range« war hier
>  ssize_t copy_file_range (int __infd, __off64_t *__pinoff,
>          ^~~~~~~~~~~~~~~
> make[3]: *** [<eingebaut>: copy_fetch.o] Fehler 1
> make[3]: Verzeichnis „/tmp/postgresql/build/postgresql-
> 10.1/src/bin/pg_rewind“ wird verlassen
> make[2]: *** [Makefile:40: all-pg_rewind-recurse] Fehler 2
> make[2]: Verzeichnis „/tmp/postgresql/build/postgresql-10.1/src/bin“
> wird verlassen
> make[1]: *** [Makefile:37: all-bin-recurse] Fehler 2
> make[1]: Verzeichnis „/tmp/postgresql/build/postgresql-10.1/src“ wird
> verlassen
> make: *** [GNUmakefile:11: all-src-recurse] Fehler 2
> 
> To me it looks like a clash to the standard library function
> copy_file_range. It's easy to fix as postgresql's copy_file_range is
> a
> static function. I did following sed
> 
> sed -e "s/copy_file_range/_&/" \
>     -i src/bin/pg_rewind/copy_fetch.c
> 
> with which compilation was successfull. Donno whether it is caused
> now
> by gcc-7.3 and/or glibc-2.27 (on i686).
> 
> Have you seen that issue, too or is it something wired here locally?
> 
> --
> Thomas

From what I've seen, glibc-2.27 introduced copy_file_range. You could
try and swap any instance of copy_file_range in postgresql with, say,
pg_copy_file_range to avoid conflicts (or try and delete
copy_file_range in pgsql entirely, and let it use the one from glibc).
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