[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [XEN PATCH v9 30/30] build: adding out-of-tree support to the xen build
On 1/25/22 06:01, Anthony PERARD wrote: > This implement out-of-tree support, there's two ways to create an > out-of-tree build tree (after that, `make` in that new directory > works): > make O=build > mkdir build; cd build; make -f ../Makefile > also works with an absolute path for both. > > This implementation only works if the source tree is clean, as we use > VPATH. > > This patch copies most new code with handling out-of-tree build from > Linux v5.12. > > Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx> > Acked-by: Jan Beulich <jbeulich@xxxxxxxx> > --- > > Notes: > v9: > - acked > - add "source -> ." symlink in the in-tree build as well. This allow to > make relative symlink to the "common/efi/*.c" sources. > - also now, the "source" symlink is removed on `distclean`, add added to > .gitignore. > > v8: > - replace script/mkmakefile by cmd_makefile like it's been done in Linux > 5.13. > - fix GNU Make version, replace few 0.81 by 3.81. > - reorder include header path in CFLAGS ( -I ), to have the $(objtree) > paths listed before the $(srctree) paths. This will be usefull later > if we allow to build out-of-tree from a dirty source tree. > - make use of -iquote > - sometime, add -iquote path even when not necessary when building > in-tree. > - extract code movement into a separate patch > - make use of the new "$(srcdir)" shortcut > - split command line in headers*.chk target into more lines > > .gitignore | 1 + > xen/Makefile | 143 +++++++++++++++++++++++++++++++---- > xen/Rules.mk | 11 ++- > xen/arch/x86/arch.mk | 5 +- > xen/arch/x86/boot/Makefile | 6 ++ > xen/common/efi/efi-common.mk | 3 +- > xen/include/Makefile | 11 ++- > xen/test/livepatch/Makefile | 2 + > xen/xsm/flask/Makefile | 3 +- > xen/xsm/flask/ss/Makefile | 1 + > 10 files changed, 164 insertions(+), 22 deletions(-) > <snip/> > diff --git a/xen/xsm/flask/Makefile b/xen/xsm/flask/Makefile > index a99038cb5722..d25312f4fa1c 100644 > --- a/xen/xsm/flask/Makefile > +++ b/xen/xsm/flask/Makefile > @@ -4,7 +4,8 @@ obj-y += flask_op.o > > obj-y += ss/ > > -CFLAGS-y += -I$(obj)/include > +CFLAGS-y += -iquote $(obj)/include > +CFLAGS-y += -I$(srcdir)/include > > AWK = awk > > diff --git a/xen/xsm/flask/ss/Makefile b/xen/xsm/flask/ss/Makefile > index aba1339f3808..ffe92ec19ed6 100644 > --- a/xen/xsm/flask/ss/Makefile > +++ b/xen/xsm/flask/ss/Makefile > @@ -8,4 +8,5 @@ obj-y += services.o > obj-y += conditional.o > obj-y += mls.o > > +CFLAGS-y += -iquote $(objtree)/xsm/flask/include > CFLAGS-y += -I$(srctree)/xsm/flask/include Reviewed-by: Daniel P. Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx> V/r, Daniel P. Smith Apertus Solutions, LLC
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