glibc: merge libc-common.bbclass into glibc.bb

There's only one user of libc-common now that we don't ship both glibc and
eglibc, so copy the contents directly into the recipe.

[ YOCTO #12135 ]

(From OE-Core rev: a0bff0db1eeb128776757d5f3d0bc1ebdc135498)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/libc-common.bbclass

@@ -1,37 +0,0 @@
-do_install() {
-	oe_runmake install_root=${D} install
-	install -Dm 0644 ${WORKDIR}/etc/ld.so.conf ${D}/${sysconfdir}/ld.so.conf
-	install -d ${D}${localedir}
-	make -f ${WORKDIR}/generate-supported.mk IN="${S}/localedata/SUPPORTED" OUT="${WORKDIR}/SUPPORTED"
-	# get rid of some broken files...
-	for i in ${GLIBC_BROKEN_LOCALES}; do
-		sed -i "/$i/d" ${WORKDIR}/SUPPORTED
-	done
-	rm -f ${D}${sysconfdir}/rpc
-	rm -rf ${D}${datadir}/zoneinfo
-	rm -rf ${D}${libexecdir}/getconf
-}
-
-def get_libc_fpu_setting(bb, d):
-    if d.getVar('TARGET_FPU') in [ 'soft', 'ppc-efd' ]:
-        return "--without-fp"
-    return ""
-
-python populate_packages_prepend () {
-    if d.getVar('DEBIAN_NAMES'):
-        pkgs = d.getVar('PACKAGES').split()
-        bpn = d.getVar('BPN')
-        prefix = d.getVar('MLPREFIX') or ""
-        # Set the base package...
-        d.setVar('PKG_' + prefix + bpn, prefix + 'libc6')
-        libcprefix = prefix + bpn + '-'
-        for p in pkgs:
-            # And all the subpackages.
-            if p.startswith(libcprefix):
-                renamed = p.replace(bpn, 'libc6', 1)
-                d.setVar('PKG_' + p, renamed)
-        # For backward compatibility with old -dbg package
-        d.appendVar('RPROVIDES_' + libcprefix + 'dbg', ' ' + prefix + 'libc-dbg')
-        d.appendVar('RCONFLICTS_' + libcprefix + 'dbg', ' ' + prefix + 'libc-dbg')
-        d.appendVar('RREPLACES_' + libcprefix + 'dbg', ' ' + prefix + 'libc-dbg')
-}