Re: Having trouble with newt

[David Goodenough <david.goodenough@btconnect.com>]

On Sunday 23 March 2008, Neil Williams wrote:
> On Sun, 2008-03-23 at 18:49 +0000, David Goodenough wrote:
> > Looking further at the debian/rules file there is a place to compile
> > the file, but it uses $CROSSCC, is this set for a non-cross compile?
>
> Check the contents of debian/rules after the patch is applied:
>
> DEB_BUILD_GNU_SYSTEM = $(shell dpkg-architecture -qDEB_BUILD_GNU_SYSTEM)
> DEB_BUILD_GNU_CPU = $(shell dpkg-architecture -qDEB_BUILD_GNU_CPU)
>
> DEB_HOST_GNU_TYPE=$(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
> DEB_BUILD_GNU_TYPE=$(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
> ifneq ($(DEB_HOST_GNU_TYPE), $(DEB_BUILD_GNU_TYPE))
> CROSS=--build $(DEB_BUILD_GNU_TYPE) --host $(DEB_HOST_GNU_TYPE)
> CROSSCC=$(DEB_HOST_GNU_TYPE)-gcc
> else
> CROSS=
> CROSSCC=gcc
> endif
>
> So $(CROSS) is just a placeholder, $(CROSSCC) equals gcc in a native
> build or arm-linux-gnu-gcc in a crossbuild for ARM. This is done so that
> the patch can be incorporated upstream in Debian. See #465105
>
> (The patch in the bug report IIRC sets --build in $(CROSS) in line with
> the autotools-dev recommendations but it's only a precaution.)
>
> (Use embug -u; embug -l to see the list of crossbuilding bugs).

No, the relevant code reads:

ifneq ($(DEB_HOST_CNU_TYPE),$(DEB_BUILD_GNU_TYPE))
CROSS=CC=$(DEB_HOST_GNU_TYPE)-gcc
# CROSS is passed to make, CROSCC is called directly
CROSSCC=$(DEB_HOST_GNU_TYPE)-gcc
endif

David