Re: [Minios-devel] [UNIKRAFT PATCH] build: Define preprocessing symbol for library name

[Costin Lupu <costin.lupu@xxxxxxxxx>]

Please see '[UNIKRAFT/LWIP PATCH 5/5] patches: Declare mem_* functions
only for lwip internal use' for where this is needed.

Cheers,
Costin

On 8/2/19 2:47 PM, Costin Lupu wrote:
> We define preprocessing symbols for library name in order to be able to 
> protect
> code based on the library name using #ifdef preprocessing directives (e.g.
> "#ifdef __liblwip__"). The current solution also replaces dashes with
> underscores given that we might have library names containing dashes (e.g.
> for "pthread-embedded" library).
> 
> Signed-off-by: Costin Lupu <costin.lupu@xxxxxxxxx>
> ---
>  support/build/Makefile.rules | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/support/build/Makefile.rules b/support/build/Makefile.rules
> index d90807e0..9666ead0 100644
> --- a/support/build/Makefile.rules
> +++ b/support/build/Makefile.rules
> @@ -386,7 +386,7 @@ $(3): $(2) | prepare
>                      $($(call vprefix_lib,$(1),CINCLUDES)) $($(call 
> vprefix_lib,$(1),CINCLUDES-y)) \
>                      $(CFLAGS) $(CFLAGS-y) \
>                      $($(call vprefix_lib,$(1),CFLAGS)) $($(call 
> vprefix_lib,$(1),CFLAGS-y)) \
> -                    $(4) -D__LIBNAME__=$(1) -D__BASENAME__=$(notdir $(2)) \
> +                    $(4) -D__LIBNAME__=$(1) -D__BASENAME__=$(notdir $(2)) 
> -D__$(subst -,_,$(1))__ \
>                      -c $(2) -o $(3) $(depflags)
>  )
>  
> 

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