Re: make VAR+=VAL

2016-03-21 Thread David Boyce
On Sat, Mar 19, 2016 at 7:22 AM, Paul Smith wrote: > On Tue, 2016-03-15 at 10:29 +0800, 一瓶水 wrote: > > I saw GNU make (I am using 3.8.1) allows the usage of 'make VAR+=VAL' > > command line, but it does not append VAL to VAR and instead it > > overrides VAR to VAL. > > > > > > Is this expected be

Re: make VAR+=VAL

2016-03-19 Thread Paul Smith
On Tue, 2016-03-15 at 10:29 +0800, 一瓶水 wrote: > I saw GNU make (I am using 3.8.1) allows the usage of 'make VAR+=VAL' > command line, but it does not append VAL to VAR and instead it > overrides VAR to VAL. > > > Is this expected behavior? I did not find any doc explaining the usage > of VAR+=VA