[Buildroot] [PATCH v2 0/3] WIP: package/eudev: Split libudev and daemon

[Buildroot] [PATCH v2 0/3] WIP: package/eudev: Split libudev and daemon

[Bernd Kuhls]

Hi,

in order to support a growing number of packages[1] depending on libudev,
even when /dev is not managed by systemd/eudev, it is necessary to
provide libudev as a stand-alone solution for systems which have
BR2_ROOTFS_DEVICE_CREATION_STATIC=y.

This patch series
- bumps eudev to 1.7
- integrates my older libudev package into eudev
- fixes mesa3d build error

Still to be discussed:
- should we keep BR2_PACKAGE_HAS_UDEV which now means libudev, and
- introduce BR2_PACKAGE_HAS_UDEV_DAEMON for packages needing the daemon, or

- introduce BR2_PACKAGE_HAS_LIBUDEV and switch many packages over to this option

Regards, Bernd

[1] Inspired by mesa3d: https://bugs.freedesktop.org/show_bug.cgi?id=75212#c6

Bernd Kuhls (3):
  package/eudev: Bump version to 1.7
  package/eudev: Split libudev and daemon
  package/mesa3d: depend on udev

-- 
1.7.10.4

[Buildroot] [PATCH v2 1/3] package/eudev: Bump version to 1.7

[Bernd Kuhls]

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
---
 package/eudev/eudev.mk |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/eudev/eudev.mk b/package/eudev/eudev.mk
index fc9c7d9..5f1525c 100644
--- a/package/eudev/eudev.mk
+++ b/package/eudev/eudev.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-EUDEV_VERSION = v1.6
+EUDEV_VERSION = v1.7
 EUDEV_SITE = $(call github,gentoo,eudev,$(EUDEV_VERSION))
 EUDEV_LICENSE = GPLv2+ (programs), LGPLv2.1+ (libraries)
 EUDEV_LICENSE_FILES = COPYING
-- 
1.7.10.4

[Buildroot] [PATCH v2 2/3] package/eudev: Split libudev and daemon

[Bernd Kuhls]

Provide new option BR2_PACKAGE_EUDEV_DAEMON, default y for backward-
compatability.

If BR2_PACKAGE_EUDEV_DAEMON is disabled only libudev is build which
does not depend on BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV.

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
---
 package/eudev/Config.in |   43 ++++++++++++++++++++++++++-----------------
 package/eudev/eudev.mk  |   39 +++++++++++++++++++++++++++++++++++----
 2 files changed, 61 insertions(+), 21 deletions(-)

diff --git a/package/eudev/Config.in b/package/eudev/Config.in
index 40ff721..582909e 100644
--- a/package/eudev/Config.in
+++ b/package/eudev/Config.in
@@ -1,15 +1,9 @@
 config BR2_PACKAGE_EUDEV
 	bool "eudev"
-	depends on !BR2_avr32 # no epoll_create1
-	depends on BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV
-	depends on BR2_USE_MMU # uses fork()
-	depends on BR2_LARGEFILE # util-linux
-	depends on BR2_USE_WCHAR # util-linux
-	depends on !BR2_PREFER_STATIC_LIB # kmod
+	depends on !BR2_avr32 # no __NR_name_to_handle_at
+	depends on BR2_USE_WCHAR
+	depends on !BR2_PREFER_STATIC_LIB
 	select BR2_PACKAGE_HAS_UDEV
-	select BR2_PACKAGE_UTIL_LINUX
-	select BR2_PACKAGE_UTIL_LINUX_LIBBLKID
-	select BR2_PACKAGE_KMOD
 	help
 	  Userspace device daemon. This is a standalone version,
 	  independent of systemd. It is a fork maintained by Gentoo.
@@ -24,19 +18,34 @@ if BR2_PACKAGE_EUDEV
 config BR2_PACKAGE_PROVIDES_UDEV
 	default "eudev"
 
+config BR2_PACKAGE_EUDEV_DAEMON
+	bool "enable daemon"
+	default y
+	depends on BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV
+	depends on BR2_USE_MMU # uses fork()
+	depends on BR2_LARGEFILE # util-linux
+	select BR2_PACKAGE_UTIL_LINUX
+	select BR2_PACKAGE_UTIL_LINUX_LIBBLKID
+	select BR2_PACKAGE_KMOD
+	help
+	  Enable eudev daemon
+
+comment "eudev daemon needs eudev /dev management"
+	depends on BR2_USE_MMU
+	depends on !BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV
+
+comment "eudev daemon needs a toolchain w/ largefile"
+	depends on BR2_USE_MMU
+	depends on !BR2_LARGEFILE
+
 config BR2_PACKAGE_EUDEV_RULES_GEN
 	bool "enable rules generator"
+	depends on BR2_PACKAGE_EUDEV_DAEMON
 	help
 	  Enable persistent rules generator
 
 endif
 
-comment "eudev needs eudev /dev management"
-	depends on !BR2_avr32
-	depends on BR2_USE_MMU
-	depends on !BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV
-
-comment "eudev needs a toolchain w/ largefile, wchar, dynamic library"
+comment "eudev needs a toolchain w/ wchar, dynamic library"
 	depends on !BR2_avr32
-	depends on BR2_USE_MMU
-	depends on !BR2_LARGEFILE || !BR2_USE_WCHAR || BR2_PREFER_STATIC_LIB
+	depends on !BR2_USE_WCHAR || BR2_PREFER_STATIC_LIB
diff --git a/package/eudev/eudev.mk b/package/eudev/eudev.mk
index 5f1525c..974e2bc 100644
--- a/package/eudev/eudev.mk
+++ b/package/eudev/eudev.mk
@@ -16,17 +16,23 @@ EUDEV_CONF_ENV += LIBS=-lrt
 
 EUDEV_CONF_OPT =		\
 	--disable-manpages	\
-	--sbindir=/sbin		\
 	--with-rootlibdir=/lib	\
 	--libexecdir=/lib	\
 	--with-firmware-path=/lib/firmware	\
 	--disable-introspection			\
-	--enable-split-usr			\
-	--enable-libkmod
+	--enable-split-usr
 
-EUDEV_DEPENDENCIES = host-gperf host-pkgconf util-linux kmod
+EUDEV_DEPENDENCIES = host-pkgconf
 EUDEV_PROVIDES = udev
 
+ifeq ($(BR2_PACKAGE_EUDEV_DAEMON),y)
+
+EUDEV_DEPENDENCIES += host-gperf util-linux kmod
+
+EUDEV_CONF_OPT += \
+	--sbindir=/sbin \
+	--enable-libkmod
+
 ifeq ($(BR2_PACKAGE_EUDEV_RULES_GEN),y)
 EUDEV_CONF_OPT += --enable-rule_generator
 endif
@@ -42,4 +48,29 @@ define EUDEV_INSTALL_INIT_SYSV
 	$(INSTALL) -m 0755 package/eudev/S10udev $(TARGET_DIR)/etc/init.d/S10udev
 endef
 
+else
+
+EUDEV_CONF_OPT += \
+	--disable-keymap \
+	--disable-libkmod \
+	--disable-modules \
+	--disable-selinux \
+	--disable-rule-generator \
+	--disable-gtk-doc \
+	--disable-gudev
+
+define EUDEV_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/src/libudev
+endef
+
+define EUDEV_INSTALL_STAGING_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/src/libudev DESTDIR=$(STAGING_DIR) install
+endef
+
+define EUDEV_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/src/libudev DESTDIR=$(TARGET_DIR) install
+endef
+
+endif
+
 $(eval $(autotools-package))
-- 
1.7.10.4

[Buildroot] [PATCH v2 3/3] package/mesa3d: depend on udev

[Bernd Kuhls]

checking for LIBUDEV... no
configure: error: libudev-dev required for building DRI

Fixes
http://autobuild.buildroot.net/results/16d/16d12b986051db884eae86e9658e6c4fc0f28885/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
---
 package/mesa3d/Config.in |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/package/mesa3d/Config.in b/package/mesa3d/Config.in
index fc96cc5..d3ded82 100644
--- a/package/mesa3d/Config.in
+++ b/package/mesa3d/Config.in
@@ -10,6 +10,7 @@ menuconfig BR2_PACKAGE_MESA3D
 	select BR2_PACKAGE_XLIB_LIBXDAMAGE if BR2_PACKAGE_XORG7
 	select BR2_PACKAGE_XLIB_LIBXFIXES if BR2_PACKAGE_XORG7
 	select BR2_PACKAGE_LIBXCB if BR2_PACKAGE_XORG7
+	depends on BR2_PACKAGE_HAS_UDEV
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_LARGEFILE
 	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL
@@ -125,6 +126,6 @@ config BR2_PACKAGE_PROVIDES_LIBGLES
 
 endif # BR2_PACKAGE_MESA3D
 
-comment "mesa3d needs a toolchain w/ C++, largefile, NPTL"
+comment "mesa3d needs udev /dev management and a toolchain w/ C++, largefile, NPTL"
 	depends on !BR2_LARGEFILE || !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_HAS_THREADS_NPTL
+		!BR2_TOOLCHAIN_HAS_THREADS_NPTL || !BR2_PACKAGE_HAS_UDEV
-- 
1.7.10.4

[Buildroot] [PATCH v2 3/3] package/mesa3d: depend on udev

[Thomas Petazzoni]

Dear Bernd Kuhls,

On Wed, 11 Jun 2014 19:41:48 +0200, Bernd Kuhls wrote:
> checking for LIBUDEV... no
> configure: error: libudev-dev required for building DRI
> 
> Fixes
> http://autobuild.buildroot.net/results/16d/16d12b986051db884eae86e9658e6c4fc0f28885/
> 
> Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
> ---
>  package/mesa3d/Config.in |    5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

Is this patch independent from PATCH 2/3 ? I'd like the mesa3d problem
to be fixed now, regardless of the split between libudev and the daemon
in eudev. The split between libudev and the daemon in eudev is an
improvement, while the mesa3d build failure affecting the autobuilders
since the past 3 days is a significant regression that we should handle
in priority.

I know that Yann is also working on this issue, I'm not sure how much
in sync both of you are.

Thanks!

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

[Buildroot] [PATCH v2 3/3] package/mesa3d: depend on udev

[Yann E. MORIN]

Bernd, All,

On 2014-06-11 19:41 +0200, Bernd Kuhls spake thusly:
> checking for LIBUDEV... no
> configure: error: libudev-dev required for building DRI
> 
> Fixes
> http://autobuild.buildroot.net/results/16d/16d12b986051db884eae86e9658e6c4fc0f28885/
> 
> Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>

This is a stop-gap fix until we have a proper libudev package.
This shoudl be independent from the previous patches, so can go in
as-is:

Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

Regards,
Yann E. MORIN.

> ---
>  package/mesa3d/Config.in |    5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/package/mesa3d/Config.in b/package/mesa3d/Config.in
> index fc96cc5..d3ded82 100644
> --- a/package/mesa3d/Config.in
> +++ b/package/mesa3d/Config.in
> @@ -10,6 +10,7 @@ menuconfig BR2_PACKAGE_MESA3D
>  	select BR2_PACKAGE_XLIB_LIBXDAMAGE if BR2_PACKAGE_XORG7
>  	select BR2_PACKAGE_XLIB_LIBXFIXES if BR2_PACKAGE_XORG7
>  	select BR2_PACKAGE_LIBXCB if BR2_PACKAGE_XORG7
> +	depends on BR2_PACKAGE_HAS_UDEV
>  	depends on BR2_INSTALL_LIBSTDCPP
>  	depends on BR2_LARGEFILE
>  	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL
> @@ -125,6 +126,6 @@ config BR2_PACKAGE_PROVIDES_LIBGLES
>  
>  endif # BR2_PACKAGE_MESA3D
>  
> -comment "mesa3d needs a toolchain w/ C++, largefile, NPTL"
> +comment "mesa3d needs udev /dev management and a toolchain w/ C++, largefile, NPTL"
>  	depends on !BR2_LARGEFILE || !BR2_INSTALL_LIBSTDCPP || \
> -		!BR2_TOOLCHAIN_HAS_THREADS_NPTL
> +		!BR2_TOOLCHAIN_HAS_THREADS_NPTL || !BR2_PACKAGE_HAS_UDEV
> -- 
> 1.7.10.4
> 
> _______________________________________________
> buildroot mailing list
> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot

-- 
.-----------------.--------------------.------------------.--------------------.
|  Yann E. MORIN  | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
| +33 662 376 056 | Software  Designer | \ / CAMPAIGN     |  ___               |
| +33 223 225 172 `------------.-------:  X  AGAINST      |  \e/  There is no  |
| http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL    |   v   conspiracy.  |
'------------------------------^-------^------------------^--------------------'

[Buildroot] [PATCH v2 0/3] WIP: package/eudev: Split libudev and daemon

[Yann E. MORIN]

Bernd, All,

On 2014-06-11 19:41 +0200, Bernd Kuhls spake thusly:
> in order to support a growing number of packages[1] depending on libudev,
> even when /dev is not managed by systemd/eudev, it is necessary to
> provide libudev as a stand-alone solution for systems which have
> BR2_ROOTFS_DEVICE_CREATION_STATIC=y.
> 
> This patch series
> - bumps eudev to 1.7
> - integrates my older libudev package into eudev
> - fixes mesa3d build error

> Still to be discussed:
> - should we keep BR2_PACKAGE_HAS_UDEV which now means libudev, and
> - introduce BR2_PACKAGE_HAS_UDEV_DAEMON for packages needing the daemon, or
> 
> - introduce BR2_PACKAGE_HAS_LIBUDEV and switch many packages over to this option

Nope, the other way around.

We want to keep _HAS_UDEV to still mean "has a udev daemon", to support
legacy .config files.

We can introduce a new _HAS_LIBUDEV however.

And... I am working on this. I know you are present on IRC, but since
you do not seem to look at your IRC client (or it is not notifying you
when we ping you), it's difficult to synchronise with you.

As I said in my reply to your previous libudev patch:
  "I'll have a look at it tonight (UTC+2)." (which is basically "now").
  "I'll see what I can come up with."

Of course, we appreciate your new submission, hopefully it will make my
life easier. ;-)

Thanks!

Regards,
Yann E. MORIN.

-- 
.-----------------.--------------------.------------------.--------------------.
|  Yann E. MORIN  | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
| +33 662 376 056 | Software  Designer | \ / CAMPAIGN     |  ___               |
| +33 223 225 172 `------------.-------:  X  AGAINST      |  \e/  There is no  |
| http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL    |   v   conspiracy.  |
'------------------------------^-------^------------------^--------------------'

[Buildroot] [PATCH v2 3/3] package/mesa3d: depend on udev

[Bernd Kuhls]

Thomas Petazzoni
<thomas.petazzoni@free-electrons.com> wrote
in news:20140611194914.2529d991 at free-electrons.com: 

> Dear Bernd Kuhls,
> 
> Is this patch independent from PATCH 2/3 ?

Dear Thomas,

yes.

Regards, Bernd

[Buildroot] [PATCH v2 3/3] package/mesa3d: depend on udev

[Thomas Petazzoni]

Dear Yann E. MORIN,

On Wed, 11 Jun 2014 19:52:36 +0200, Yann E. MORIN wrote:

> This is a stop-gap fix until we have a proper libudev package.
> This shoudl be independent from the previous patches, so can go in
> as-is:

Then why was it sent as the last patch of the series?

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

[Buildroot] [PATCH v2 3/3] package/mesa3d: depend on udev

[Yann E. MORIN]

Thomas, All,

On 2014-06-11 20:00 +0200, Thomas Petazzoni spake thusly:
> Dear Yann E. MORIN,
> 
> On Wed, 11 Jun 2014 19:52:36 +0200, Yann E. MORIN wrote:
> 
> > This is a stop-gap fix until we have a proper libudev package.
> > This shoudl be independent from the previous patches, so can go in
> > as-is:
> 
> Then why was it sent as the last patch of the series?

Because Bernd changed the meaning of _HAS_UDEV to mean "has a libudev".

But since that's not what we want, but we need a quick fix, we can still
apply that patch as-is to quickly stop the build-failure bleeding in the
autobuilders.

Then (later!), when we have settled on this libudev thinggy, we can
switch mesa to use the new libudev.

But in the mean time, this patch still applies and still makes sense
without the rest of the series.

Regards,
Yann E. MORIN.

-- 
.-----------------.--------------------.------------------.--------------------.
|  Yann E. MORIN  | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
| +33 662 376 056 | Software  Designer | \ / CAMPAIGN     |  ___               |
| +33 223 225 172 `------------.-------:  X  AGAINST      |  \e/  There is no  |
| http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL    |   v   conspiracy.  |
'------------------------------^-------^------------------^--------------------'

[Buildroot] [PATCH v2 3/3] package/mesa3d: depend on udev

[Peter Korsgaard]

>>>>> "Bernd" == Bernd Kuhls <bernd.kuhls@t-online.de> writes:

 > checking for LIBUDEV... no
 > configure: error: libudev-dev required for building DRI

 > Fixes
 > http://autobuild.buildroot.net/results/16d/16d12b986051db884eae86e9658e6c4fc0f28885/

 > Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>

Committed, thanks.

-- 
Bye, Peter Korsgaard

[Buildroot] [PATCH v2 1/3] package/eudev: Bump version to 1.7

[Peter Korsgaard]

>>>>> "Bernd" == Bernd Kuhls <bernd.kuhls@t-online.de> writes:

 > Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>

Committed, thanks.

-- 
Bye, Peter Korsgaard