On Tue, May 05, 2020 at 07:03:19PM +0900, Masahiro Yamada wrote:
> Commit 067c650c456e ("dtc: Use pkg-config to locate libyaml") added
> 'pkg-config --libs' to link libyaml installed in a non-standard
> location.
>
> yamltree.c includes <yaml.h>, but that commit did not add the search
> path for <yaml.h>. If /usr/include/yaml.h does not exist, it fails to
> build. A user can explicitly pass HOSTCFLAGS to work around it, but
> the policy is not consistent.
>
> There are two ways to deal with libraries in a non-default location.
>
> [1] Use HOSTCFLAGS and HOSTLDFLAGS for additional search paths for
> headers and libraries.
> They are documented in Documentation/kbuild/kbuild.rst
>
> $ make HOSTCFLAGS='-I <prefix>/include' HOSTLDFLAGS='-L <prefix>/lib'
>
> [2] Use pkg-config
>
> 'pkg-config --cflags' for querying the header search path
> 'pkg-config --libs' for querying the lib and its path
>
> If we go with pkg-config, use [2] consistently. Do not mix up
> [1] and [2].
>
> Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> ---
>
> scripts/dtc/Makefile | 3 +++
> 1 file changed, 3 insertions(+)
Sorry, missed this one. Now applied for 5.8.
Rob
