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* [Buildroot] [PATCH] libcap: disable GOLANG
@ 2020-08-31  2:16 Tian Yuanhao
  2020-08-31 15:15 ` Peter Korsgaard
  0 siblings, 1 reply; 6+ messages in thread
From: Tian Yuanhao @ 2020-08-31  2:16 UTC (permalink / raw
  To: buildroot

libcap is a pure C library before 2.27, it lacks some environment
variables set in pkg-golang.mk.

Signed-off-by: Tian Yuanhao <tianyuanhao@aliyun.com>
---
 ?package/libcap/libcap.mk | 4 ++--
 ?1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/package/libcap/libcap.mk b/package/libcap/libcap.mk
index 08c1bc9..5843ef9 100644
--- a/package/libcap/libcap.mk
+++ b/package/libcap/libcap.mk
@@ -62,12 +62,12 @@ endef

 ?define HOST_LIBCAP_BUILD_CMDS
 ???? $(HOST_MAKE_ENV) $(HOST_CONFIGURE_OPTS) $(MAKE) -C $(@D)\
-??? ??? RAISE_SETFCAP=no
+??? ??? GOLANG=no RAISE_SETFCAP=no
 ?endef

 ?define HOST_LIBCAP_INSTALL_CMDS
 ???? $(HOST_MAKE_ENV) $(MAKE) -C $(@D) prefix=$(HOST_DIR) \
-??? ??? RAISE_SETFCAP=no lib=lib install
+??? ??? GOLANG=no RAISE_SETFCAP=no lib=lib install
 ?endef

 ?$(eval $(generic-package))
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [Buildroot] [PATCH] libcap: disable GOLANG
  2020-08-31  2:16 [Buildroot] [PATCH] libcap: disable GOLANG Tian Yuanhao
@ 2020-08-31 15:15 ` Peter Korsgaard
  2020-08-31 16:14   ` Tian Yuanhao
  0 siblings, 1 reply; 6+ messages in thread
From: Peter Korsgaard @ 2020-08-31 15:15 UTC (permalink / raw
  To: buildroot

>>>>> "Tian" == Tian Yuanhao via buildroot <buildroot@busybox.net> writes:

 > libcap is a pure C library before 2.27, it lacks some environment
 > variables set in pkg-golang.mk.

 > Signed-off-by: Tian Yuanhao <tianyuanhao@aliyun.com>

Can you be more specific? What exactly is this fixing? I don't see any
related autobuilder errors?

http://autobuild.buildroot.net/?reason=libcap-2.27

And I don't see any reference to GOLANG in libcap-2.27?

-- 
Bye, Peter Korsgaard

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Buildroot] [PATCH] libcap: disable GOLANG
  2020-08-31 15:15 ` Peter Korsgaard
@ 2020-08-31 16:14   ` Tian Yuanhao
  2020-08-31 16:24     ` Peter Korsgaard
  2020-09-09 20:42     ` Yann E. MORIN
  0 siblings, 2 replies; 6+ messages in thread
From: Tian Yuanhao @ 2020-08-31 16:14 UTC (permalink / raw
  To: buildroot

This patch is for the next branch.

Recently, the go infrastructure has changed, and libcap has been
upgraded to 2.42. libcap introduced golang in 2.28, see:

https://git.kernel.org/pub/scm/linux/kernel/git/morgan/libcap.git/commit/Make.Rules?id=0615d996379dceedefcd65a114f93fefd81c208f

When you compile host-go and then compile host-libcap, GOLANG will be
automatically set to yes. Because libcap.mk lacks golang support,
compilation will fail.

 > > libcap is a pure C library before 2.27, it lacks some environment
 > > variables set in pkg-golang.mk.
 >
 > Can you be more specific? What exactly is this fixing? I don't see
 > any related autobuilder errors?
 >
 > http://autobuild.buildroot.net/?reason=libcap-2.27
 >
 > And I don't see any reference to GOLANG in libcap-2.27?

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Buildroot] [PATCH] libcap: disable GOLANG
  2020-08-31 16:14   ` Tian Yuanhao
@ 2020-08-31 16:24     ` Peter Korsgaard
  2020-09-09 20:35       ` Joseph Kogut
  2020-09-09 20:42     ` Yann E. MORIN
  1 sibling, 1 reply; 6+ messages in thread
From: Peter Korsgaard @ 2020-08-31 16:24 UTC (permalink / raw
  To: buildroot

>>>>> "Tian" == Tian Yuanhao via buildroot <buildroot@busybox.net> writes:

 > This patch is for the next branch.

Ahh, then please mention that. An easy way to do that is using the
--subject-prefix argument to git send-email, E.G.:

git send-email --subject-prefix='PATCH-NEXT' ..

 > Recently, the go infrastructure has changed, and libcap has been
 > upgraded to 2.42. libcap introduced golang in 2.28, see:

 > https://git.kernel.org/pub/scm/linux/kernel/git/morgan/libcap.git/commit/Make.Rules?id=0615d996379dceedefcd65a114f93fefd81c208f

 > When you compile host-go and then compile host-libcap, GOLANG will be
 > automatically set to yes. Because libcap.mk lacks golang support,
 > compilation will fail.

OK.

-- 
Bye, Peter Korsgaard

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Buildroot] [PATCH] libcap: disable GOLANG
  2020-08-31 16:24     ` Peter Korsgaard
@ 2020-09-09 20:35       ` Joseph Kogut
  0 siblings, 0 replies; 6+ messages in thread
From: Joseph Kogut @ 2020-09-09 20:35 UTC (permalink / raw
  To: buildroot

Hi,

On Mon, Aug 31, 2020 at 9:24 AM Peter Korsgaard <peter@korsgaard.com> wrote:
>
> >>>>> "Tian" == Tian Yuanhao via buildroot <buildroot@busybox.net> writes:
>
>  > This patch is for the next branch.
>
> Ahh, then please mention that. An easy way to do that is using the
> --subject-prefix argument to git send-email, E.G.:
>
> git send-email --subject-prefix='PATCH-NEXT' ..
>
>  > Recently, the go infrastructure has changed, and libcap has been
>  > upgraded to 2.42. libcap introduced golang in 2.28, see:
>
>  > https://git.kernel.org/pub/scm/linux/kernel/git/morgan/libcap.git/commit/Make.Rules?id=0615d996379dceedefcd65a114f93fefd81c208f
>
>  > When you compile host-go and then compile host-libcap, GOLANG will be
>  > automatically set to yes. Because libcap.mk lacks golang support,
>  > compilation will fail.
>

This fixes a build issue with libcap 2.42 when ccache is enabled.

https://gist.github.com/jakogut/3675b4a692da1b87b59056fec71575b4

Minor suggestion, but perhaps we should move these flags to
HOST_LIBCAP_MAKE_FLAGS to mirror how the target package is built?

Regardless,
Tested-by: Joseph Kogut <joseph.kogut@gmail.com>

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Buildroot] [PATCH] libcap: disable GOLANG
  2020-08-31 16:14   ` Tian Yuanhao
  2020-08-31 16:24     ` Peter Korsgaard
@ 2020-09-09 20:42     ` Yann E. MORIN
  1 sibling, 0 replies; 6+ messages in thread
From: Yann E. MORIN @ 2020-09-09 20:42 UTC (permalink / raw
  To: buildroot

Tian Yuanhao, All,

On 2020-09-01 00:14 +0800, Tian Yuanhao via buildroot spake thusly:
> This patch is for the next branch.
> 
> Recently, the go infrastructure has changed, and libcap has been
> upgraded to 2.42. libcap introduced golang in 2.28, see:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/morgan/libcap.git/commit/Make.Rules?id=0615d996379dceedefcd65a114f93fefd81c208f
> 
> When you compile host-go and then compile host-libcap, GOLANG will be
> automatically set to yes. Because libcap.mk lacks golang support,
> compilation will fail.

I've taken those explanations and used them as the new commit log, and
applied the patch.

However, the patch was mangled: TABs were replaced by spaces, so I had
to fix that too.

Applied to master, thanks!

Regards,
Yann E. MORIN.

> > > libcap is a pure C library before 2.27, it lacks some environment
> > > variables set in pkg-golang.mk.
> >
> > Can you be more specific? What exactly is this fixing? I don't see
> > any related autobuilder errors?
> >
> > http://autobuild.buildroot.net/?reason=libcap-2.27
> >
> > And I don't see any reference to GOLANG in libcap-2.27?
> 
> _______________________________________________
> buildroot mailing list
> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot

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^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2020-09-09 20:42 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-08-31  2:16 [Buildroot] [PATCH] libcap: disable GOLANG Tian Yuanhao
2020-08-31 15:15 ` Peter Korsgaard
2020-08-31 16:14   ` Tian Yuanhao
2020-08-31 16:24     ` Peter Korsgaard
2020-09-09 20:35       ` Joseph Kogut
2020-09-09 20:42     ` Yann E. MORIN

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