no-static-libs.inc: use `?=' to set a default DISABLE_STATIC

It could be overrided by basic variable setting `='.

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/meta/conf/distro/include/no-static-libs.inc b/meta/conf/distro/include/no-static-libs.inc
index 7c165c717fca30f1c8ca4df7174f99d0c521c749..7fd578b3ce7983feaa7f329bf4ac24fda1d8cbe1 100644 (file)
--- a/meta/conf/distro/include/no-static-libs.inc
+++ b/meta/conf/distro/include/no-static-libs.inc
@@ -1,4 +1,4 @@
-DISABLE_STATIC = " --disable-static"
+DISABLE_STATIC ?= " --disable-static"
 
 # qemu aborts on unrecognised option
 DISABLE_STATIC_pn-qemu = ""