[Buildroot] [PATCH v4 1/2] package/libargon2: conditionally shared/static build

[Baruch Siach]

Hi Andreas,

On Mon, May 18 2026, Andreas Mohr via buildroot wrote:
> Add static build support of libargon2.
> This will allow dependent packages like cryptsetup to build static as well.

The comment in package/cryptsetup/Config.in needs update, then.

Can lua-argon2 build statically now? If not, the comment in its
Config.in pointing at libargon2 needs update as well.

Same goes for python-argon2-cffi-bindings.

baruch

> Signed-off-by: Andreas Mohr <and at gmx.li>
> ---
>  package/libargon2/Config.in    | 5 -----
>  package/libargon2/libargon2.mk | 6 ++++++
>  2 files changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/package/libargon2/Config.in b/package/libargon2/Config.in
> index 6bba74cf..73c1e0d7 100644
> --- a/package/libargon2/Config.in
> +++ b/package/libargon2/Config.in
> @@ -1,12 +1,7 @@
>  config BR2_PACKAGE_LIBARGON2
>  	bool "libargon2"
>  	depends on BR2_USE_MMU
> -	depends on !BR2_STATIC_LIBS
>  	help
>  	  A modern password hashing algorithm
>  
>  	  https://password-hashing.net/#argon2
> -
> -comment "libargon needs a toolchain w/ dynamic library"
> -	depends on BR2_USE_MMU
> -	depends on BR2_STATIC_LIBS
> diff --git a/package/libargon2/libargon2.mk b/package/libargon2/libargon2.mk
> index b3f6e1b2..8ca0071a 100644
> --- a/package/libargon2/libargon2.mk
> +++ b/package/libargon2/libargon2.mk
> @@ -23,6 +23,12 @@ ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),)
>  LIBARGON2_OPTS += NO_THREADS=1
>  endif
>  
> +ifeq ($(BR2_STATIC_LIBS),y)
> +LIBARGON2_OPTS += LIB_SH= LINKED_LIB_SH=
> +else ifeq ($(BR2_SHARED_LIBS),y)
> +LIBARGON2_OPTS += LIB_ST=
> +endif
> +
>  define LIBARGON2_BUILD_CMDS
>  	$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D) \
>  		$(LIBARGON2_OPTS)

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