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package/libnids: disable libnet only if not available

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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@gmail.com>
[yann.morin.1998@free.fr: slightly compact the code]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Guillaume W. Bres 2020-06-24 14:17:42 +02:00 committed by Yann E. MORIN
parent 5a7d6bab6c
commit 9a54b16058
1 changed files with 12 additions and 1 deletions
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13
package/libnids/libnids.mk
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@ -11,7 +11,18 @@ 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 += --enable-libnet --with-libnet=yes LNETLIB=-lnet
else
LIBNIDS_CONF_OPTS += --disable-libnet
endif
# disable libglib2 if not available
# The test in configure.in is flawed: passing --enable-libglib would also