commit 7d147f690c96cc424ce3fd78b12b43877ae8a6eb
from: Thomas Adam <thomas@xteddy.org>
date: Fri Jan 03 10:49:08 2025 UTC

portable: define HAVE_TREE_H if libbsd found

When using libbsd, ensure that we define HAVE_TREE_H; this means
libbsd's <sys/tree.h> is used over the compat version which stops
redefinition warnings from libbsd.

commit - 992e786b8f5cf5352f511063a514244871b1aeba
commit + 7d147f690c96cc424ce3fd78b12b43877ae8a6eb
blob - 18e3b9fa48ea95ade2ce6230d07557de4274bdcf
blob + 11c980256f2b2e1e96780971d892ff5e672f13f5
--- configure.ac
+++ configure.ac
@@ -272,6 +272,13 @@ AC_CHECK_FUNCS([ \
 	sysconf \
 	wcwidth \
 ])
+
+AC_CHECK_DECL(
+	RB_GENERATE_STATIC,
+	found_sys_tree_h=yes,
+	found_sys_tree_h=no,
+	[#include <sys/tree.h>]
+)
 
 AM_CONDITIONAL([HAVE_SETPROCTITLE], [test "x$ac_cv_func_setproctitle" = xyes])
 
@@ -697,6 +704,7 @@ if test "$PLATFORM" = "linux"; then
 			AC_SUBST(libbsd_CFLAGS)
 			AC_SUBST(libbsd_LIBS)
 			AC_DEFINE([HAVE_LIBBSD], [1], [BSD UUID])
+			AC_DEFINE([HAVE_TREE_H], [test x"$found_sys_tree_h" = "xyes"], [HAVE_TREE_H])
 		],
 		[
 			AC_MSG_ERROR("*** couldn't find libbsd-overlay via pkg-config")
@@ -752,14 +760,6 @@ else
 	AC_MSG_ERROR("*** sys/queue.h missing key defines ***)
 fi
 
-AC_CHECK_DECL(
-	RB_GENERATE_STATIC,
-	found_sys_tree_h=yes,
-	found_sys_tree_h=no,
-	[#include <sys/tree.h>]
-)
-
-
 # Look for crypto (part of openssl)
 # Note:  libcrypto (via openssl) has a .pc file in pretty-much all distros and
 # BSDs which we support.