commit 52ecaaa63d8d4c6d2ae9072e944a45d8d4e2ac76
author Bram Moolenaar <Bram@vim.org> Sat May 12 21:38:13 2018 +0200
committer Bram Moolenaar <Bram@vim.org> Sat May 12 21:38:13 2018 +0200
tree 4d7ae7e616c6036ea0efcc56aedfe84ce47d424d
parent dd1d7be4e6691f447667a8217844a3b2561203be

patch 8.0.1826: configure uses old compiler flag

Problem:    Configure uses old compiler flag.
Solution:   Remove _DARWIN_C_SOURCE. (Kazunobu Kuriyama)

src/configure.ac

diff --git a/src/configure.ac b/src/configure.ac
index 7f55281..cfc3b1b 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -168,7 +168,7 @@
 if test "`(uname) 2>/dev/null`" = Darwin; then
   AC_MSG_RESULT(yes)
   MACOS_X=yes
-  CPPFLAGS="$CPPFLAGS -D_DARWIN_C_SOURCE -DMACOS_X"
+  CPPFLAGS="$CPPFLAGS -DMACOS_X"
 
   AC_MSG_CHECKING(--disable-darwin argument)
   AC_ARG_ENABLE(darwin,