From 8e43f9a751f1637d483d48aa9a9a647d1e3d2003 Mon Sep 17 00:00:00 2001
From: Richard Purdie <richard.purdie@linuxfoundation.org>
Date: Wed, 21 Dec 2011 13:52:46 +0000
Subject: multilib: Abstract class extension code into classextend.py

(From OE-Core rev: 563828bad19a242bba9ce3db461bb5807037dfdf)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 meta/lib/oe/classextend.py | 81 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 meta/lib/oe/classextend.py

(limited to 'meta/lib')

diff --git a/meta/lib/oe/classextend.py b/meta/lib/oe/classextend.py
new file mode 100644
index 0000000000..fb0d967372
--- /dev/null
+++ b/meta/lib/oe/classextend.py
@@ -0,0 +1,81 @@
+class ClassExtender(object):
+    def __init__(self, extname, d):
+        self.extname = extname
+        self.d = d
+        self.pkgs_mapping = []
+
+    def extend_name(self, name):
+        if name.startswith("kernel-module"):
+            return name
+        if name.startswith("virtual/"):
+            subs = name.split("/", 1)[1]
+            if not subs.startswith(self.extname):
+                return "virtual/" + self.extname + "-" + subs
+            return name
+        if not name.startswith(self.extname):
+            return self.extname + "-" + name
+        return name
+
+    def map_variable(self, varname, setvar = True):
+        var = self.d.getVar(varname, True)
+        if not var:
+            return ""
+        var = var.split()
+        newvar = []
+        for v in var:
+            newvar.append(self.extend_name(v))
+        newdata =  " ".join(newvar)
+        if setvar:
+            self.d.setVar(varname, newdata)
+        return newdata
+
+    def map_depends(self, dep):
+        if dep.endswith(("-native", "-native-runtime")):
+            return dep
+        else:
+            return self.extend_name(dep)
+
+    def map_depends_variable(self, varname, suffix = ""):
+        if suffix:
+            varname = varname + "_" + suffix
+        deps = self.d.getVar(varname, True)
+        if not deps:
+            return
+        deps = bb.utils.explode_deps(deps)
+        newdeps = []
+        for dep in deps:
+            newdeps.append(self.map_depends(dep))
+        self.d.setVar(varname, " ".join(newdeps))
+
+    def map_packagevars(self):
+        for pkg in (self.d.getVar("PACKAGES", True).split() + [""]):
+            self.map_depends_variable("RDEPENDS", pkg)
+            self.map_depends_variable("RRECOMMENDS", pkg)
+            self.map_depends_variable("RSUGGESTS", pkg)
+            self.map_depends_variable("RPROVIDES", pkg)
+            self.map_depends_variable("RREPLACES", pkg)
+            self.map_depends_variable("RCONFLICTS", pkg)
+            self.map_depends_variable("PKG", pkg)
+
+    def rename_packages(self):
+        for pkg in (self.d.getVar("PACKAGES", True) or "").split():
+            if pkg.startswith(self.extname):
+               self.pkgs_mapping.append([pkg.split(self.extname + "-")[1], pkg])
+               continue
+            self.pkgs_mapping.append([pkg, self.extend_name(pkg)])
+
+        self.d.setVar("PACKAGES", " ".join([row[1] for row in self.pkgs_mapping]))
+
+    def rename_package_variables(self, variables):
+        for pkg_mapping in self.pkgs_mapping:
+            for subs in variables:
+                self.d.renameVar("%s_%s" % (subs, pkg_mapping[0]), "%s_%s" % (subs, pkg_mapping[1]))
+
+class NativesdkClassExtender(ClassExtender):
+    def map_depends(self, dep):
+        if dep.endswith(("-native", "-native-runtime", "-cross")):
+            return dep
+        elif dep.endswith(("-gcc-intermediate", "-gcc-initial", "-gcc", "-g++")):
+            return dep + "-crosssdk"
+        else:
+            return self.extend_name(dep)
-- 
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