Hello Michael,

Am Wed, Dec 08, 2021 at 08:24:06AM +0100 schrieb Michael Olbrich:
> On Tue, Nov 30, 2021 at 11:39:26AM +0100, Christian Melki wrote:
> > This option sometimes breaks builds with various external dependencies.
> > Especially vendor trees that have sourcedir path references.
> 
> Hmmm, I don't really like this, but I do understand why it can be
> necessary :-/.
> 
> > Signed-off-by: Christian Melki <[email protected]>
> > ---
> >  platforms/u-boot.in | 10 ++++++++++
> >  rules/u-boot.make   | 12 ++++++++++--
> >  2 files changed, 20 insertions(+), 2 deletions(-)
> > 
> > diff --git a/platforms/u-boot.in b/platforms/u-boot.in
> > index 410391fe8..0d8213f45 100644
> > --- a/platforms/u-boot.in
> > +++ b/platforms/u-boot.in
> > @@ -20,6 +20,16 @@ config U_BOOT_MD5
> >     string
> >     prompt "U-Boot source md5"
> >  
> > +config U_BOOT_BUILD_OOT
> > +   prompt "Out of tree build"
> > +   default y
> > +   bool
> > +   help
> > +     U-Boot is usually built out of tree.
> > +     But for some builds, f.ex. with firmware blobs, out of tree builds
> > +     can break because of vendors using source paths to files.
> > +     This is mostly a workaround for those type of builds.
> > +
> >  choice
> >     prompt "config system"
> >     default U_BOOT_CONFIGSYSTEM_LEGACY
> > diff --git a/rules/u-boot.make b/rules/u-boot.make
> > index 38c32bf27..2c6a1ada4 100644
> > --- a/rules/u-boot.make
> > +++ b/rules/u-boot.make
> > @@ -23,9 +23,14 @@ U_BOOT_SUFFIX            := tar.bz2
> >  U_BOOT_URL         := 
> > https://ftp.denx.de/pub/u-boot/$(U_BOOT).$(U_BOOT_SUFFIX)
> >  U_BOOT_SOURCE              := $(SRCDIR)/$(U_BOOT).$(U_BOOT_SUFFIX)
> >  U_BOOT_DIR         := $(BUILDDIR)/$(U_BOOT)
> > -U_BOOT_BUILD_DIR   := $(U_BOOT_DIR)-build
> >  U_BOOT_DEVPKG              := NO
> > +ifdef PTXCONF_U_BOOT_BUILD_OOT
> > +U_BOOT_BUILD_DIR   := $(U_BOOT_DIR)-build
> >  U_BOOT_BUILD_OOT   := KEEP
> > +else
> > +U_BOOT_BUILD_DIR   := $(U_BOOT_DIR)
> > +U_BOOT_BUILD_OOT   := NO
> 
> I prefere:
> 
> U_BOOT_BUILD_DIR      := $(U_BOOT_DIR)$(call ptx/ifdef, 
> PTXCONF_U_BOOT_BUILD_OOT,-build)
> U_BOOT_BUILD_OOT      := $(call ptx/ifdef, PTXCONF_U_BOOT_BUILD_OOT,KEEP,NO)
> 
> to keep it more compact.
> 
> > +endif
> >  
> >  ifdef PTXCONF_U_BOOT_CONFIGSYSTEM_KCONFIG
> >  U_BOOT_CONFIG      := $(call ptx/in-platformconfigdir, \
> > @@ -54,10 +59,13 @@ U_BOOT_WRAPPER_BLACKLIST := \
> >  
> >  U_BOOT_CONF_OPT            := \
> >     -C $(U_BOOT_DIR) \
> > -   O=$(U_BOOT_BUILD_DIR) \
> 
> Right. In theory it should still work if O= is used unconditionally.
> Because U_BOOT_BUILD_DIR points to the source tree in the non-OOT case. But
> who knowns what happens in broken vendor trees.
> 
> But wrap it with ptx/ifdef instead to keep it here.

This is done few lines later, slightly different …

> 
> Michael
> 
> >     V=$(PTXDIST_VERBOSE) \
> >     $(call remove_quotes,$(PTXCONF_U_BOOT_CUSTOM_MAKE_OPTS))
> >  
> > +ifdef PTXCONF_U_BOOT_BUILD_OOT
> > +U_BOOT_CONF_OPT            += O=$(U_BOOT_BUILD_DIR)
> > +endif
> > +

^^ Here.

Greets
Alex

> >  U_BOOT_MAKE_ENV            := \
> >     CROSS_COMPILE=$(BOOTLOADER_CROSS_COMPILE) \
> >     HOSTCC=$(HOSTCC)
> > -- 
> > 2.30.2
> > 
> > 
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> > 
> 
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