autotools.bbclass: Change acpaths defaults to be a weak assignment

We currently have to override the default setting using a particular
assignment order in the recipe, setting it weakly helps to get rid
of this problem.

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/autotools.bbclass b/meta/classes/autotools.bbclass
index 3741d09706f4eb415f7bfd0f431630fe9d9ecd0c..da5ec27575f665d542095e7fd071e3f3b84d0013 100644 (file)
--- a/meta/classes/autotools.bbclass
+++ b/meta/classes/autotools.bbclass
@@ -27,7 +27,7 @@ inherit siteinfo
 # results for autoconf tests we cannot run at build time.
 export CONFIG_SITE = "${@siteinfo_get_files(d)}"
 
-acpaths = "default"
+acpaths ?= "default"
 EXTRA_AUTORECONF = "--exclude=autopoint"
 
 export lt_cv_sys_lib_dlsearch_path_spec = "${libdir} ${base_libdir}"