avoid _XOPEN_SOURCE redefinition in alpine by making sure git-compat-util.h is included first (as recommended in CodingGuidelines) and therefore avoid: In file included from ./hash.h:4, from reftable/dump.c:19: ./git-compat-util.h:147: warning: "_XOPEN_SOURCE" redefined 147 | #define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */ | In file included from /usr/include/unistd.h:8, from reftable/reftable-writer.h:15, from reftable/dump.c:14: /usr/include/features.h:16: note: this is the location of the previous definition 16 | #define _XOPEN_SOURCE 700 | Signed-off-by: Carlo Marcelo Arenas Belón <carenas@xxxxxxxxx> --- Using code contributed by Junio and only reusing the commit from my original reftable/dump.c | 1 + 1 file changed, 1 insertion(+) diff --git a/reftable/dump.c b/reftable/dump.c index 668cfa8996..ef017701b6 100644 --- a/reftable/dump.c +++ b/reftable/dump.c @@ -6,6 +6,7 @@ license that can be found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd */ +#include "git-compat-util.h" #include "reftable-blocksource.h" #include "reftable-error.h" #include "reftable-merged.h" -- 2.33.0.rc2.476.g1b09a32a73