qemu: Move gcc version check, qemu-TARGET logic into qemu.bbclass

Move the logic to determine what qemu-TARGET to run into qemu.bbclass so
we can check for the right binary in sanity.bbclass.  This code was
duplicated by glibc-package and eglibc-package anyhow and with the new fn
we can clean up the usage in these classes a bit.  Now that we have a class
for qemu stuff, and the gcc check is just for qemu, move it there.

Conflicts:

	classes/base.bbclass
	classes/sanity.bbclass

1 files changed, 27 insertions, 0 deletions

diff --git a/classes/qemu.bbclass b/classes/qemu.bbclass
new file mode 100644
index 0000000000..40a3542450
--- /dev/null
+++ b/classes/qemu.bbclass
@@ -0,0 +1,27 @@
+#
+# This class contains functions for recipes that need QEMU or test for its
+# existance.
+#
+
+def check_gcc3(data):
+	# Used by qemu to make sure we have a workable gcc-3.x.
+	# Start by checking for the program name as we build it as there
+	# are some distribtuion provided gcc-3.x's that will not work.
+	gcc3_versions = 'gcc-3.4.6 gcc-3.4.4 gcc34 gcc-3.4 gcc-3.4.7 gcc-3.3 gcc33 gcc-3.3.6 gcc-3.2 gcc32'
+
+	for gcc3 in gcc3_versions.split():
+		if check_app_exists(gcc3, data):
+			return gcc3
+
+	return False
+
+def qemu_target_binary(data):
+	import bb
+
+	target_arch = bb.data.getVar("TARGET_ARCH", data, 1)
+	if target_arch in ("i486", "i586", "i686"):
+		target_arch = "i386"
+	elif target_arch == "powerpc":
+		target_arch = "ppc"
+
+	return "qemu-" + target_arch