fix

Author: rscharfe

config.mak.uname

@@ -138,6 +138,9 @@ ifeq ($(uname_S),Darwin)
         ifeq ($(shell test "`expr "$(uname_R)" : '\([0-9][0-9]*\)\.'`" -ge 20 && echo 1),1)
 		OPEN_RETURNS_EINTR = UnfortunatelyYes
         endif
+	ifeq ($(shell echo __ENVIRONMENT_OS_VERSION_MIN_REQUIRED__ | $(CC) -E - | tail -1),__ENVIRONMENT_OS_VERSION_MIN_REQUIRED__)
+		BASIC_CFLAGS += -D__ENVIRONMENT_OS_VERSION_MIN_REQUIRED__=140000
+	endif
 	NO_MEMMEM = YesPlease
 	USE_ST_TIMESPEC = YesPlease
 	HAVE_DEV_TTY = YesPlease