1 files changed, 101 insertions, 0 deletions
diff --git a/meta/classes/debian.bbclass b/meta/classes/debian.bbclass
new file mode 100644
index 000000000..5688dad93
--- /dev/null
+++ b/meta/classes/debian.bbclass
@@ -0,0 +1,101 @@
+STAGING_PKGMAPS_DIR = "${STAGING_DIR}/pkgmaps/debian"
+
+# Debain package renaming only occurs when a package is built
+# We therefore have to make sure we build all runtime packages
+# before building the current package to make the packages runtime
+# depends are correct
+BUILD_ALL_DEPS = "1"
+
+python debian_package_name_hook () {
+	import glob, copy, stat, errno, re
+
+	workdir = bb.data.getVar('WORKDIR', d, 1)
+	packages = bb.data.getVar('PACKAGES', d, 1)
+
+	def socrunch(s):
+		s = s.lower().replace('_', '-')
+		m = re.match("^(.*)(.)\.so\.(.*)$", s)
+		if m is None:
+			return None
+		if m.group(2) in '0123456789':
+			bin = '%s%s-%s' % (m.group(1), m.group(2), m.group(3))
+		else:
+			bin = m.group(1) + m.group(2) + m.group(3)
+		dev = m.group(1) + m.group(2)
+		return (bin, dev)
+
+	def isexec(path):
+		try:
+			s = os.stat(path)
+		except (os.error, AttributeError):
+			return 0
+		return (s[stat.ST_MODE] & stat.S_IEXEC)
+
+	def auto_libname(packages, orig_pkg):
+		bin_re = re.compile(".*/s?bin$")
+		lib_re = re.compile(".*/lib$")
+		so_re = re.compile("lib.*\.so")
+		sonames = []
+		has_bins = 0
+		has_libs = 0
+		pkg_dir = os.path.join(workdir, "install", orig_pkg)
+		for root, dirs, files in os.walk(pkg_dir):
+			if bin_re.match(root) and files:
+				has_bins = 1
+			if lib_re.match(root) and files:
+				has_libs = 1
+				for f in files:
+					if so_re.match(f):
+						fp = os.path.join(root, f)
+						cmd = (bb.data.getVar('BUILD_PREFIX', d, 1) or "") + "objdump -p " + fp + " 2>/dev/null"
+						fd = os.popen(cmd)
+						lines = fd.readlines()
+						fd.close()
+						for l in lines:
+							m = re.match("\s+SONAME\s+([^\s]*)", l)
+							if m and not m.group(1) in sonames:
+								sonames.append(m.group(1))
+
+		bb.debug(1, 'LIBNAMES: pkg %s libs %d bins %d sonames %s' % (orig_pkg, has_libs, has_bins, sonames))
+		soname = None
+		if len(sonames) == 1:
+			soname = sonames[0]
+		elif len(sonames) > 1:
+			lead = bb.data.getVar('LEAD_SONAME', d, 1)
+			if lead:
+				r = re.compile(lead)
+				filtered = []
+				for s in sonames:
+					if r.match(s):
+						filtered.append(s)
+				if len(filtered) == 1:
+					soname = filtered[0]
+				elif len(filtered) > 1:
+					bb.note("Multiple matches (%s) for LEAD_SONAME '%s'" % (", ".join(filtered), lead))
+				else:
+					bb.note("Multiple libraries (%s) found, but LEAD_SONAME '%s' doesn't match any of them" % (", ".join(sonames), lead))
+			else:
+				bb.note("Multiple libraries (%s) found and LEAD_SONAME not defined" % ", ".join(sonames))
+
+		if has_libs and not has_bins and soname:
+			soname_result = socrunch(soname)
+			if soname_result:
+				(pkgname, devname) = soname_result
+				for pkg in packages.split():
+					if (bb.data.getVar('PKG_' + pkg, d) or bb.data.getVar('DEBIAN_NOAUTONAME_' + pkg, d)):
+						continue
+					if pkg == orig_pkg:
+						newpkg = pkgname
+					else:
+						newpkg = pkg.replace(orig_pkg, devname, 1)
+					if newpkg != pkg:
+						bb.data.setVar('PKG_' + pkg, newpkg, d)
+
+	for pkg in (bb.data.getVar('AUTO_LIBNAME_PKGS', d, 1) or "").split():
+		auto_libname(packages, pkg)
+}
+
+EXPORT_FUNCTIONS package_name_hook
+
+DEBIAN_NAMES = 1
+