This probably doesn't do what you're expecting it to do, use

ALTERNATIVE_${PN}_append_class-target = " fallocate"

You can check with bitbake -e to see what's the difference between these 2.

On Thu, Jul 26, 2018 at 3:56 PM Ioan-Adrian Ratiu <adrian.ratiu@ni.com> wrote:

Because the util-linux_2.32.bb recipe explicitely disables fallocate
for nativesdk triggering build warnings:

WARNING: nativesdk-util-linux-2.32-r0 do_package: util-linux:
alternative target (sdk/usr/bin/fallocate or sdk/usr/bin/fallocate.util-linux)
does not exist, skipping...
WARNING: nativesdk-util-linux-2.32-r0 do_package: util-linux: NOT adding
alternative provide sdk/usr/bin/fallocate: sdk/usr/bin/fallocate.util-linux
does not exist
WARNING: nativesdk-util-linux-2.32-r0 do_package: util-linux: alt_link ==
alt_target: sdk/usr/bin/fallocate == sdk/usr/bin/fallocate

Signed-off-by: Ioan-Adrian Ratiu <adrian.ratiu@ni.com>
---
 meta/recipes-core/util-linux/util-linux.inc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/meta/recipes-core/util-linux/util-linux.inc b/meta/recipes-core/util-linux/util-linux.inc
index ed5c618750..504f3c5b61 100644
--- a/meta/recipes-core/util-linux/util-linux.inc
+++ b/meta/recipes-core/util-linux/util-linux.inc
@@ -206,8 +206,9 @@ do_install_append_class-native () {
 ALTERNATIVE_PRIORITY = "80"

 ALTERNATIVE_${PN}  = "dmesg kill more mkswap blockdev pivot_root switch_root"
-ALTERNATIVE_${PN} += "hexdump last lastb logger mesg renice wall fallocate unshare"
+ALTERNATIVE_${PN} += "hexdump last lastb logger mesg renice wall unshare"
 ALTERNATIVE_${PN} += "setsid chrt flock utmpdump eject nologin taskset"
+ALTERNATIVE_${PN}_class-target += "fallocate"

 ALTERNATIVE_LINK_NAME[dmesg] = "${base_bindir}/dmesg"
 ALTERNATIVE_LINK_NAME[kill] = "${base_bindir}/kill"
--
2.18.0