[PATCH 1/2] tools: mkeficapsule: use pkg-config to get -luuid and -lgnutls

[Pali Rohár]

On Tuesday 19 July 2022 20:38:37 Heiko Thiery wrote:
> Instead of hardcoding -luuid -lgnutls as the flags needed to build
> mkeficapsule, use pkg-config when available.
> 
> We gracefully fallback on the previous behavior of hardcoding -luuid
> -lgnutls if pkg-config is not available or fails with an error.
> 
> Signed-off-by: Heiko Thiery <heiko.thiery at gmail.com>
> ---
>  tools/Makefile | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/Makefile b/tools/Makefile
> index 9f2339666a..9f6b282ad8 100644
> --- a/tools/Makefile
> +++ b/tools/Makefile
> @@ -242,7 +242,8 @@ hostprogs-$(CONFIG_MIPS) += mips-relocs
>  hostprogs-$(CONFIG_ASN1_COMPILER)	+= asn1_compiler
>  HOSTCFLAGS_asn1_compiler.o = -idirafter $(srctree)/include
>  
> -HOSTLDLIBS_mkeficapsule += -lgnutls -luuid
> +HOSTLDLIBS_mkeficapsule += \
> +	$(shell pkg-config --libs gnutls uuid 2> /dev/null || echo "-lgnutls -luuid")

When using pkg-config then you should add also --cflags into HOSTCFLAGS_

>  hostprogs-$(CONFIG_TOOLS_MKEFICAPSULE) += mkeficapsule
>  
>  # We build some files with extra pedantic flags to try to minimize things
> -- 
> 2.30.2
>