From: Glenn Morris <rgm@gnu.org>
Date: Wed, 17 Feb 2021 05:25:18 +0000 (-0800)
Subject: * configure.ac: Replace obsolete AC_CHECK_HEADER usage.  (Bug#46578)
X-Git-Tag: emacs-28.0.90~3689
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=26fcd8289057805f506a24c6ae7277c653463208;p=emacs.git

* configure.ac: Replace obsolete AC_CHECK_HEADER usage.  (Bug#46578)
---

diff --git a/configure.ac b/configure.ac
index 9a294bc796f..11a06a39bee 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1767,7 +1767,8 @@ fi
 
 dnl On Solaris 8 there's a compilation warning for term.h because
 dnl it doesn't define 'bool'.
-AC_CHECK_HEADERS(term.h, , , -)
+AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[#include <term.h>]],[[]])],
+  AC_DEFINE(HAVE_TERM_H, 1, [Define to 1 if you have the <term.h> header file.]))
 AC_HEADER_SYS_WAIT
 
 AC_CHECK_HEADERS_ONCE(sys/socket.h)