[Buildroot] [PATCH 1/1] package/libnids: disable libnet only if not available
Yann E. MORIN
yann.morin.1998 at free.fr
Wed Jun 24 19:20:33 UTC 2020
Guillaume, All,
On 2020-06-24 14:17 +0200, Guillaume W. Bres spake thusly:
> libnids can be built against an existing libnet lib,
> take advantage of that.
>
> Unfortunately, pkg-config is not available for libnet,
> so configure --with-libnet is our only option at the
> moment.
>
> --with-libnet expects a build directory,
> not an installation path like in our context.
> We use --with-libnet=yes to skip tests that would fail.
> In this situation, 'LIBNET' goes undefined, so we
> need to define it ourselves.
> This works because we make sure -lnet is installed
> prior anything related to libnids.
>
> Signed-off-by: Guillaume W. Bres <guillaume.bressaix at gmail.com>
> ---
> package/libnids/libnids.mk | 16 +++++++++++++++-
> 1 file changed, 15 insertions(+), 1 deletion(-)
>
> diff --git a/package/libnids/libnids.mk b/package/libnids/libnids.mk
> index f0330787c7..01d50879b6 100644
> --- a/package/libnids/libnids.mk
> +++ b/package/libnids/libnids.mk
> @@ -11,7 +11,21 @@ LIBNIDS_LICENSE_FILES = COPYING
> LIBNIDS_INSTALL_STAGING = YES
> LIBNIDS_DEPENDENCIES = host-pkgconf libpcap
> LIBNIDS_AUTORECONF = YES
> -LIBNIDS_CONF_OPTS = --disable-libnet
> +
> +# disable libnet if not available
> +# Tests in configure.in expect --with-libnet=$build_dir
> +# not an installation patch like in our context.
> +# We use with-libnet=yes to skip the unusual paths tests.
> +# But 'LNETLIB' gets left out, so we need to define it ourselves.
> +ifeq ($(BR2_PACKAGE_LIBNET),y)
> +LIBNIDS_DEPENDENCIES += libnet
> +
> +LIBNIDS_CONF_OPTS += --with-libnet=yes \
> + LNETLIB=-lnet \
> + --enable-libnet
I've reordered the options in a more logical way. Additionally, when an
assignment (or any other statement) fits on a 80-char line, we don't
split it on multiple lines, so I;ve changed to:
LIBNIDS_CONF_OPTS += --enable-libnet --with-libnet=yes LNETLIB=-lnet
and applied to master, thanks.
Regards,
Yann E. MORIN.
> +else
> +LIBNIDS_CONF_OPTS += --disable-libnet
> +endif
>
> # disable libglib2 if not available
> # The test in configure.in is flawed: passing --enable-libglib would also
> --
> 2.20.1
>
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