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authorAlan Third <alan@idiocy.org>2017-09-24 12:01:03 +0100
committerAlan Third <alan@idiocy.org>2017-09-28 19:01:12 +0100
commitfec63089d53d2196b0348086aeed70277fbc02c0 (patch)
treeb181f56681718729e33c34707db366fa6c2c761e
parent0f9a78e7700ab3eed370c2f616d7932d953dd100 (diff)
downloademacs-fec63089d53d2196b0348086aeed70277fbc02c0.tar.gz
Fix build on macOS (bug#28571)
* src/conf_post.h (HAVE_FUTIMENS, HAVE_FUTIMESAT, HAVE_UTIMENSAT) [DARWIN_OS]: Undefine.
-rw-r--r--src/conf_post.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/conf_post.h b/src/conf_post.h
index febdb8b8bf7..af946082eec 100644
--- a/src/conf_post.h
+++ b/src/conf_post.h
@@ -397,3 +397,12 @@ extern int emacs_setenv_TZ (char const *);
#else
# define UNINIT /* empty */
#endif
+
+/* macOS 10.13 supports futimens, futimesat and utimensat, older
+ versions don't but can appear as though they do. Disable them
+ entirely to avoid breaking cross-version builds on macOS. */
+#ifdef DARWIN_OS
+# undef HAVE_FUTIMENS
+# undef HAVE_FUTIMESAT
+# undef HAVE_UTIMENSAT
+#endif