On Thu, Aug 20, 2015 at 12:32 AM, Yen-Chin Lee <coldnew.tw at gmail.com> wrote: > -SRC_URI = "git://uclibc.org/uClibc.git;branch=master \ > +SRCBRANCH ??= "master" > + > +SRC_URI = "git://uclibc.org/uClibc.git;branch=${SRCBRANCH} \ this is ok. Just call is BRANCH instead of SRCBRANCH