[PATCH v3 01/18] build: Require gio >= 2.40.

Required for 'G_IO_ERROR' and 'g_io_error_from_errno' used by GWeb.
---
 configure.ac | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/configure.ac b/configure.ac
index 7430e2ec9c9b..cae36c9eb182 100644
--- a/configure.ac
+++ b/configure.ac
@@ -284,6 +284,11 @@ fi
 
 AC_DEFINE_UNQUOTED([STATS_MAX_FILE_SIZE], (${stats_max_file_size}), [Maximal size of a statistics round robin file])
 
+PKG_CHECK_MODULES(GIO, gio-2.0 >= 2.40, dummy=yes,
+				AC_MSG_ERROR(GIo >= 2.40 is required))
+AC_SUBST(GIO_CFLAGS)
+AC_SUBST(GIO_LIBS)
+
 PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.40, dummy=yes,
 				AC_MSG_ERROR(GLib >= 2.40 is required))
 AC_SUBST(GLIB_CFLAGS)
-- 
2.45.0