```bitbake
SUMMARY = "Gesture Recognition And Instantiation Library"

HOMEPAGE = "https://launchpad.net/grail"

LICENSE = "GPLv3 & LGPLv3"
LIC_FILES_CHKSUM = " \
    file://COPYING;md5=e6a600fd5e1d9cbde2d983680233ad02 \
    file://COPYING.GPL3;md5=d32239bcb673463ab874e80d47fae504 \
"

inherit autotools pkgconfig

DEPENDS = "frame"

SRC_URI = "https://launchpad.net/${BPN}/trunk/${PV}/+download/${BPN}-${PV}.tar.bz2"
SRC_URI[md5sum] = "0df1b3ec6167920f310e2effe6e2ad44"
SRC_URI[sha256sum] = "5eed1f650f042481daa3a2de5e7d43261fe343b2a1b1e240f3b7fc26572c9df3"

PACKAGECONFIG ??= "${@bb.utils.filter('DISTRO_FEATURES', 'x11', d)}"
PACKAGECONFIG[x11] = "--with-x11, --without-x11, libxi"

PACKAGE_BEFORE_PN += "${PN}-test"
FILES_${PN}-test = "${bindir}/grail-test*"
```

Disable elision warnings for clang
user
```bitbake
SUMMARY = "Gesture Recognition And Instantiation Library"

HOMEPAGE = "https://launchpad.net/grail"

LICENSE = "GPLv3 & LGPLv3"
LIC_FILES_CHKSUM = " \
    file://COPYING;md5=e6a600fd5e1d9cbde2d983680233ad02 \
    file://COPYING.GPL3;md5=d32239bcb673463ab874e80d47fae504 \
"

inherit autotools pkgconfig

DEPENDS = "frame"
CXXFLAGS_append_toolchain-clang = " -Wno-pessimizing-move"
SRC_URI = "https://launchpad.net/${BPN}/trunk/${PV}/+download/${BPN}-${PV}.tar.bz2"
SRC_URI[md5sum] = "0df1b3ec6167920f310e2effe6e2ad44"
SRC_URI[sha256sum] = "5eed1f650f042481daa3a2de5e7d43261fe343b2a1b1e240f3b7fc26572c9df3"

PACKAGECONFIG ??= "${@bb.utils.filter('DISTRO_FEATURES', 'x11', d)}"
PACKAGECONFIG[x11] = "--with-x11, --without-x11, libxi"

PACKAGE_BEFORE_PN += "${PN}-test"
FILES_${PN}-test = "${bindir}/grail-test*"
```
assistant