From 454f6ebb976b808a078ff66ff01abb76b3209f18 Mon Sep 17 00:00:00 2001
From: Benno Schulenberg <bensberg@justemail.net>
Date: Wed, 23 Dec 2015 09:39:50 +0000
Subject: [PATCH] AC_CHECK_HEADERS_ONCE() is very special cannot be
 conditionalized. Use plain AC_CHECK_HEADERS() instead, so ./configure will
 not check for magic.h and zlib.h when --disable-libmagic is given. Patch by
 Christian Weisgerber.

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5505 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
---
 ChangeLog    | 7 ++++++-
 configure.ac | 4 ++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 4f8d604b..0f370796 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,9 @@
-2015-12-22 Benno Schulenberg  <bensberg@justemail.net>
+2015-12-23  Christian Weisgerber  <naddy@mips.inka.de>
+	* configure.ac: AC_CHECK_HEADERS_ONCE() is very special and cannot be
+	conditionalized.  Use plain AC_CHECK_HEADERS() instead, to not check
+	for magic.h and zlib.h when configuring with --disable-libmagic.
+
+2015-12-22  Benno Schulenberg  <bensberg@justemail.net>
 	* src/color.c (precalc_multicolorinfo, alloc_multidata_if_needed):
 	Move these two functions to the file where they belong.  And make
 	the checking for an impatient user into a separate routine.
diff --git a/configure.ac b/configure.ac
index fe72c21d..ae89cc65 100644
--- a/configure.ac
+++ b/configure.ac
@@ -657,9 +657,9 @@ AC_MSG_RESULT(no),
 AC_MSG_WARN([*** Can't check for macro redefinability when cross-compiling]))
 
 AS_IF([test "x$enable_libmagic" != "xno"], [
-  AC_CHECK_HEADERS_ONCE([magic.h])
+  AC_CHECK_HEADERS([magic.h])
   AC_CHECK_LIB(magic, magic_open)
-  AC_CHECK_HEADERS_ONCE([zlib.h])
+  AC_CHECK_HEADERS([zlib.h])
   AC_CHECK_LIB(z, inflate)
 ])
 
-- 
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