Install in $kerneldir/../extra/dpdk. Usually $kerneldir should something
like: /lib/modules/$kver/build, so this directory will match the default
one used by legacy makefiles.

Fixes: a52f4574f798 ("igb_uio: build with meson")

Signed-off-by: Luca Boccassi <redacted>
---
 kernel/linux/igb_uio/meson.build | 2 ++
 meson_options.txt                | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/linux/igb_uio/meson.build b/kernel/linux/igb_uio/meson.build
index 71ed2e7a85..f5a9d5ccf3 100644
--- a/kernel/linux/igb_uio/meson.build
+++ b/kernel/linux/igb_uio/meson.build

@@ -15,4 +15,6 @@ custom_target('igb_uio',
 			'/../../../lib/librte_eal/common/include',
 		'modules'],
 	depends: mkfile,
+	install: true,
+	install_dir: kernel_dir + '/../extra/dpdk',
 	build_by_default: get_option('enable_kmods'))

diff --git a/meson_options.txt b/meson_options.txt
index c843278587..f452986da3 100644
--- a/meson_options.txt
+++ b/meson_options.txt

@@ -7,7 +7,7 @@ option('examples', type: 'string', value: '',
 option('include_subdir_arch', type: 'string', value: '',
 	description: 'subdirectory where to install arch-dependent headers')
 option('kernel_dir', type: 'string', value: '',
-	description: 'path to the kernel for building kernel modules')
+	description: 'path to the kernel for building kernel modules, they will be installed in $prefix/$kernel_dir/../extra/dpdk')