[oe] [PATCH] xfconfig: use sysroot and target perl

[Koen Kooi]

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Ulf Samuelsson schreef op 07-12-13 23:29:
> xfconf-4.10.0 does not use OE sysroot as is. --with-sysroot=yes will make
> configure run CC --print-sysroot and use that.
> 
> When searching the PATH for perl, no target perl is found, since PATH
> does not contain any reference. Instead native perl is found, and if
> certain perl packages are installed on the host machine, the xfconf perl
> support is enabled which may cause the build to fail on 64 bit hosts. If
> the perl packages are not installed on the host, then perl support in
> xfconf is disabled, and the xfconf build will succeed, even on 64 bit
> hosts.
> 
> If native perl is found, and the perl packages are available on the host,
> the perl support is enabled.
> 
> Since native perl is used, the native linker is used to link the 
> resulting *target* code.
> 
> The perl support requires some libraries, which are built for the
> target. If the host is 64 bit (x86_64) and the target is 32 bit (ARM?), 
> there is a mismatch which is detected by the linker, and the libraries
> found are rejected.
> 
> If the host does not have the correct libraries, then the xfconf build
> fails. If the host has the correct libraries, then the linker will try to
> link host libraries with the target application.
> 
> The patch will define PERL as the target perl. This means that configure
> will look for the required perl packages in the target sysroot, instead
> of in the native filesystem.
> 
> The patch has been tested in Angstrom master, which does not build the
> required perl packages, and thus perl support in xfconf is disabled, and
> the build succeeds.
> 
> A simpler way to do this, proposed by Charles Ash <ashcharles at gmail.com> 
> is to simply disable the perl-support in xfconf. This patch will be
> better, if ever the support for the needed perl packages is added to the
> OpenEmbedded/Angstrom build.
> 
> 
> Signed-off-by: Ulf Samuelsson <ulf at emagii.com> --- 
> meta-xfce/recipes-xfce/xfconf/xfconf_4.10.0.bb |    6 +++++- 1 file
> changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/meta-xfce/recipes-xfce/xfconf/xfconf_4.10.0.bb
> b/meta-xfce/recipes-xfce/xfconf/xfconf_4.10.0.bb index 4ea2b88..6d5bf57
> 100644 --- a/meta-xfce/recipes-xfce/xfconf/xfconf_4.10.0.bb +++
> b/meta-xfce/recipes-xfce/xfconf/xfconf_4.10.0.bb @@ -2,10 +2,14 @@
> DESCRIPTION = "Xfce configuration daemon and utilities" SECTION =
> "x11/wm" LICENSE = "GPLv2" LIC_FILES_CHKSUM =
> "file://COPYING;md5=59530bdf33659b29e73d4adb9f9f6552" -DEPENDS =
> "dbus-glib libxfce4util perl-native" +DEPENDS = "dbus-glib libxfce4util
> perl" +PR="r1"

PR is deprecated and shouldn't be used anymore

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