On 2017-06-21 07:22, Denys Dmytriyenko wrote:
On Tue, Jun 20, 2017 at 09:33:24PM -0500, Brad Mouring wrote:
On Tue, Jun 20, 2017 at 10:59:55PM +0200, Marek Vasut wrote:
On 06/20/2017 10:53 PM, Brad Mouring wrote:
On Tue, Jun 20, 2017 at 10:43:51PM +0200, Marek Vasut wrote:
On 06/20/2017 10:40 PM, Brad Mouring wrote:
As implemented currently, the fw-utils recipe does not allow for
...
+# by the U-Boot environment utilities "fw_printenv" and "fw_setenv".
+# By default, use the default included in the U-Boot source
+UBOOT_FW_ENV_CONFIG ??= "${S}/tools/env/fw_env.config"
+
  inherit uboot-config
do_compile () {
@@ -19,7 +24,7 @@ do_install () {
        install -d ${D}${sysconfdir}
        install -m 755 ${S}/tools/env/fw_printenv 
${D}${base_sbindir}/fw_printenv
        install -m 755 ${S}/tools/env/fw_printenv ${D}${base_sbindir}/fw_setenv
-       install -m 0644 ${S}/tools/env/fw_env.config 
${D}${sysconfdir}/fw_env.config
+       install -m 0644 ${UBOOT_FW_ENV_CONFIG} ${D}${sysconfdir}/fw_env.config

Do we really need yet another variable ? Wouldn't it make more sense to
add do_install_append_yourmachine() {} in your meta-whatever to
u-boot-fw-utils_%.bbappend and install whatever additional files you need ?

This is (kinda) what we were doing, there was some discussion as to
whether or not this made sense upstream.

Link?

I know it's not a great answer, but we've not pushed the version of the
branch where these changes are going in. Eventually, they'll end up in
this repo:

https://github.com/ni/meta-nilrt

I was unsure of the
acceptability of a do_install_append.*() clobbering a file of the
original do_install().

That's probably what really needs to be discussed.

We can probably add some task which by default installs the
fw_env.config example and can be overridden in meta-whatever . Maybe the
others can jump into here and explain how to handle overriding the
default config file best.

That sounds like a solution that would certainly work for this
use-case, if no one pipes up with objections or a currently-unseen
silver bullet solution, I'll try to whip something together tomorrow
and post. Thanks for the idea.

Denys, I know you keep pushing the "shove it in a do_install_append()",
but to me and my under-informed sensibilities, this seems weird and
unclean to clobber a file in a _append(), would it cause some QA failure?

Hmm, I mentioned it only once... To a patch that does already mention
appending stuff...


We do this all the time for this recipe.  It just takes a simple .bbappend
like this one.

--
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------
FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"

SRC_URI += "file://fw_env.config \
"

do_install_append() {
   install -d ${D}${sysconfdir}
   install -m 0644 ${WORKDIR}/fw_env.config ${D}${sysconfdir}/fw_env.config   
}

PACKAGE_ARCH = "${MACHINE_ARCH}"
COMPATIBLE_MACHINE = "${MACHINE}"

-- 
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