[OE-core] [PATCH] kernel: module: module-base: depend on elfutils-native

[Justin Bronder]

libelf is required for CONFIG_STACK_VALIDATION which is required by
CONFIG_UNWINDER_ORC (the default in 4.14+).

We also need to update the module classes to pass HOSTCC and HOSTCPP
just like the kernel class already does.  Otherwise the test for libelf
in the kernel Makefile fails.
---
 meta/classes/kernel.bbclass      | 2 +-
 meta/classes/module-base.bbclass | 1 +
 meta/classes/module.bbclass      | 4 +++-
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 5cdff581ef..d3a7e1e1cb 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -4,7 +4,7 @@ KERNEL_PACKAGE_NAME ??= "kernel"
 KERNEL_DEPLOYSUBDIR ??= "${@ "" if (d.getVar("KERNEL_PACKAGE_NAME") == "kernel") else d.getVar("KERNEL_PACKAGE_NAME") }"
 
 PROVIDES += "${@ "virtual/kernel" if (d.getVar("KERNEL_PACKAGE_NAME") == "kernel") else "" }"
-DEPENDS += "virtual/${TARGET_PREFIX}binutils virtual/${TARGET_PREFIX}gcc kmod-native bc-native lzop-native"
+DEPENDS += "virtual/${TARGET_PREFIX}binutils virtual/${TARGET_PREFIX}gcc kmod-native bc-native lzop-native elfutils-native"
 PACKAGE_WRITE_DEPS += "depmodwrapper-cross"
 
 do_deploy[depends] += "depmodwrapper-cross:do_populate_sysroot"
diff --git a/meta/classes/module-base.bbclass b/meta/classes/module-base.bbclass
index f851b85163..3b56e04534 100644
--- a/meta/classes/module-base.bbclass
+++ b/meta/classes/module-base.bbclass
@@ -23,5 +23,6 @@ PACKAGE_ARCH = "${MACHINE_ARCH}"
 do_make_scripts() {
 	unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS 
 	make CC="${KERNEL_CC}" LD="${KERNEL_LD}" AR="${KERNEL_AR}" \
+	           HOSTCC="${BUILD_CC} ${BUILD_CFLAGS} ${BUILD_LDFLAGS}" HOSTCPP="${BUILD_CPP}" \
 	           -C ${STAGING_KERNEL_DIR} O=${STAGING_KERNEL_BUILDDIR} scripts
 }
diff --git a/meta/classes/module.bbclass b/meta/classes/module.bbclass
index 78d1b21dbd..89dee2dae8 100644
--- a/meta/classes/module.bbclass
+++ b/meta/classes/module.bbclass
@@ -1,10 +1,12 @@
 inherit module-base kernel-module-split pkgconfig
 
+DEPENDS += "elfutils-native"
+
 addtask make_scripts after do_prepare_recipe_sysroot before do_configure
 do_make_scripts[lockfiles] = "${TMPDIR}/kernel-scripts.lock"
 do_make_scripts[depends] += "virtual/kernel:do_shared_workdir"
 
-EXTRA_OEMAKE += "KERNEL_SRC=${STAGING_KERNEL_DIR}"
+EXTRA_OEMAKE += "KERNEL_SRC=${STAGING_KERNEL_DIR} HOSTCC="${BUILD_CC} ${BUILD_CFLAGS} ${BUILD_LDFLAGS}" HOSTCPP="${BUILD_CPP}""
 
 MODULES_INSTALL_TARGET ?= "modules_install"
 MODULES_MODULE_SYMVERS_LOCATION ?= ""
-- 
2.13.6