commit bd7f7c123db58dd7f50f4d1391577686d2f1bcc6
author Bram Moolenaar <Bram@vim.org> Tue Jul 28 21:03:37 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Tue Jul 28 21:03:37 2020 +0200
tree 4e7a5662cd144de1f49cf9a012e7b469428c9466
parent 461f21242a8fc7f2fe9d1c723741eeda45f0ac72

patch 8.2.1310: configure with Xcode 12 fails to check for tgetent

Problem:    Configure with Xcode 12 fails to check for tgetent.
Solution:   Declare tgetent(). (Ozaki Kiichi, closes #6558)

src/configure.ac

diff --git a/src/configure.ac b/src/configure.ac
index 19ce4c7..598d73c 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -3510,7 +3510,7 @@
 
 if test "x$olibs" = "x$LIBS"; then
   AC_MSG_CHECKING([for tgetent()])
-  AC_TRY_LINK([],
+  AC_TRY_LINK([int tgetent(char *, const char *);],
       [char s[10000]; int res = tgetent(s, "thisterminaldoesnotexist");],
 	AC_MSG_RESULT(yes),
 	AC_MSG_ERROR([NOT FOUND!