From 4364b9ebb3acef566a2c1955423426584147226e Mon Sep 17 00:00:00 2001
From: Luca Boccassi <bluca@debian.org>
Date: Mon, 20 Mar 2023 01:40:20 +0000
Subject: Support /proc in _dbus_file_get_content

procfs has special semantics: most files are 0 size,
only one read can be done on a file, and they are
not larger than 4MB. Enhance _dbus_file_get_content()
so that we can read files from /proc with it.

Signed-off-by: Luca Boccassi <bluca@debian.org>
---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 92124838..2620f372 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1023,6 +1023,9 @@ if test x$with_valgrind != xno; then
   AC_DEFINE([WITH_VALGRIND], [1], [Define to add Valgrind instrumentation])
 fi
 
+AC_CHECK_HEADERS(sys/vfs.h, [AC_CHECK_FUNCS(fstatfs)])
+AC_CHECK_HEADERS([linux/magic.h])
+
 #### Set up final flags
 LIBDBUS_LIBS="$THREAD_LIBS $NETWORK_libs $SYSTEMD_LIBS"
 AC_SUBST([LIBDBUS_LIBS])
-- 
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