kvmtool: add lightweight hypervisor native Linux KVM tool

Add Native Linux KVM tool, a lightweight tool for hosting KVM guests
maintained by the Linux kernel community.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/recipes-extended/kvmtool/files/external-crosscompiler.patch b/recipes-extended/kvmtool/files/external-crosscompiler.patch
new file mode 100644
index 00000000..75cef3b1
--- /dev/null
+++ b/recipes-extended/kvmtool/files/external-crosscompiler.patch
@@ -0,0 +1,31 @@
+Upstream-Status: Inappropriate [embedded specific]
+
+This allows OpenEmbedded to pass in cross compiler configuration using
+the default envirnment variables. It is required so that kvmtool can
+be linked against the cross-compiled libfdt library.
+
+diff --git a/Makefile b/Makefile
+index 1f0196f..8bfb068 100644
+--- a/Makefile
++++ b/Makefile
+@@ -14,11 +14,6 @@ export E Q
+ include config/utilities.mak
+ include config/feature-tests.mak
+ 
+-CC     := $(CROSS_COMPILE)gcc
+-CFLAGS :=
+-LD     := $(CROSS_COMPILE)ld
+-LDFLAGS        :=
+-
+ FIND   := find
+ CSCOPE := cscope
+ TAGS   := ctags
+@@ -297,7 +292,7 @@ $(warning No static libc found. Skipping guest init)
+ endif
+ 
+ ifeq (y,$(ARCH_WANT_LIBFDT))
+-       ifneq ($(call try-build,$(SOURCE_LIBFDT),$(CFLAGS),-lfdt),y)
++       ifneq ($(call try-build,$(SOURCE_LIBFDT),$(CPPFLAGS) $(CFLAGS),-lfdt),y)
+           $(error No libfdt found. Please install libfdt-dev package)
+        else
+                CFLAGS_DYNOPT   += -DCONFIG_HAS_LIBFDT