[systemd-devel] [PATCH 3/5] Makefile.am: Allow for user override of EFI include dir

[Zbigniew Jędrzejewski-Szmek]

On Wed, Aug 21, 2013 at 11:13:41AM -0700, Darren Hart wrote:
> Enable cross-compiling by allowing the user to specify an alternative to
> the /usr/include directory for the EFI includes. Add a variable INCDIR
> defaulting to /usr/include, but still allowing the user to provide their
> own value.
> 
> Signed-off-by: Darren Hart <dvhart at linux.intel.com>
> ---
>  Makefile.am | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/Makefile.am b/Makefile.am
> index c3dfcb2..5dc9493 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -72,10 +72,11 @@ CLEANFILES += man/gummiboot.8
>  efi_loadername = gummiboot$(MACHINE_TYPE_NAME).efi
>  efi_sources = src/efi/gummiboot.c
>  
> +INCDIR := /usr/include
Please not like this. There's no reason to use :=, and
this should be an AC_ARG_VAR defined in configure.ac, so that
it is properly advertised and remembered.

Zbyszek