On Sat, Mar 31, Peter Maydell wrote: > On 31 March 2012 16:41, Andreas Färber <afaer...@suse.de> wrote: > > This is the only usage of += outside Makefile fragments, so I wonder if > > its use may have been by accident. Is it safe in a POSIX context? > > Or should we better use CFLAGS="$CFLAGS -march=486"? > > For QEMU_CFLAGS we use the pattern QEMU_CFLAGS="-options $QEMU_CFLAGS" > > to allow overriding options. > > For that matter, should this be setting QEMU_CFLAGS instead of > CFLAGS? I have to say I'm not entirely sure what the difference > is...
I havent looked into qemu build internals, but there is most likely a concept of HOST_TOOLS_CFLAGS and TARGET_CFLAGS in qemus Makefiles. Olaf
