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いくつかの Python ライブラリをビットベイクしていますが、2 つ目のライブラリを追加しているときに次の警告が表示されました。

WARNING: The recipe is trying to install files into a shared area when those files already exist. Those files are:
   /home/ilya/beaglebone-dany/build/tmp/sysroots/beaglebone/usr/lib/python2.7/site-packages/site.py
   /home/ilya/beaglebone-dany/build/tmp/sysroots/beaglebone/usr/lib/python2.7/site-packages/site.pyo

ライブラリは両方ともinherit distutils. これは bitbake に関する限り問題ありませんが、opkg 経由で 2 番目のパッケージをインストールしようとすると、次のエラーが発生しました。

# opkg install http://yocto.local:8080/python-requests_1.2.0-r0_armv7a-vfp-neon.ipk
Downloading http://yocto.local:8080/python-requests_1.2.0-r0_armv7a-vfp-neon.ipk.
Installing python-requests (1.2.0-r0) to root...
Configuring python-requests.

# opkg install http://yocto.local:8000/python-mylib_0.0.1-r0_armv7a-vfp-neon.ipk
Downloading http://yocto.local:8080/python-mylib_0.0.1-r0_armv7a-vfp-neon.ipk.
Installing python-mylib (0.0.1-r0) to root...
Collected errors:
 * check_data_file_clashes: Package mylib-python wants to install file /usr/lib/python2.7/site-packages/site.py
        But that file is already provided by package  * python-requests
 * check_data_file_clashes: Package mylib-python wants to install file /usr/lib/python2.7/site-packages/site.pyo
        But that file is already provided by package  * python-requests
 * opkg_install_cmd: Cannot install package mylib-python.

両方のレシピは次のようになります。

DESCRIPTION = "Requests: HTTP for Humans"
HOMEPAGE = "http://docs.python-requests.org/en/latest/"
SECTION = "devel/python"
LICENSE = "Apache-2.0"

DEPENDS = "python"
RDEPENDS_${PN} = "python-core"
PR = "r0"

SRC_URI = "git://github.com/kennethreitz/requests;protocol=git"

S = "${WORKDIR}/git/"

inherit distutils

#NOTE: I'm not 100% sure whether I still need to export these?
export BUILD_SYS
export HOST_SYS
export STAGING_INCDIR
export STAGING_LIBDIR

BBCLASSEXTEND = "native"

これをpycurl レシピからコピーしました。これには、削除した次の行も含まれています。

do_install_append() {
    rm -rf ${D}${datadir}/share
}
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