Add pahole package.

This package is needed to build the kernel when using CONFIG_DEBUG_INFO_BTF.

Signed-off-by: Francis Laniel <flaniel@linux.microsoft.com>

deploy/iso/minikube-iso/package/Config.in

@@ -1,6 +1,7 @@
 menu "System tools"
     source "$BR2_EXTERNAL_MINIKUBE_PATH/package/tbb/Config.in"
     source "$BR2_EXTERNAL_MINIKUBE_PATH/package/sysdig/Config.in"
+    source "$BR2_EXTERNAL_MINIKUBE_PATH/package/pahole/Config.in.host"
     source "$BR2_EXTERNAL_MINIKUBE_PATH/package/crun/Config.in"
     source "$BR2_EXTERNAL_MINIKUBE_PATH/package/automount/Config.in"
     source "$BR2_EXTERNAL_MINIKUBE_PATH/package/gluster/Config.in"

deploy/iso/minikube-iso/package/pahole/Config.in.host

@@ -0,0 +1,7 @@
+config BR2_PACKAGE_HOST_PAHOLE
+	bool "host pahole"
+	default y
+	help
+	  Pahole and other DWARF utils.
+
+	  https://git.kernel.org/pub/scm/devel/pahole/pahole.git

deploy/iso/minikube-iso/package/pahole/pahole.hash

@@ -0,0 +1,2 @@
+# Locally computed
+sha256 cde85af68b368f50a913be387f94f6b43612a04af6c92387b4dcabb712a668fe pahole-v1.23-br1.tar.gz

deploy/iso/minikube-iso/package/pahole/pahole.mk

@@ -0,0 +1,22 @@
+########################################################################
+#
+# pahole
+#
+########################################################################
+
+PAHOLE_VERSION = v1.23
+PAHOLE_SITE = git://git.kernel.org/pub/scm/devel/pahole/pahole.git
+PAHOLE_SITE_METHOD = git
+# This guy saved me:
+# https://stackoverflow.com/a/50526817
+# Indeed, pahole contains git submodule and relies on them to be built.
+# The problem is that buildroot default behavior is to remove .git from archive.
+# Thus, it is not possible to use git submodule...
+PAHOLE_GIT_SUBMODULES = YES
+# We want to have static pahole binary to avoid problem while using it during
+# Linux kernel build.
+HOST_PAHOLE_CONF_OPTS = -DBUILD_SHARED_LIBS=OFF -D__LIB=lib
+PAHOLE_LICENSE = GPL-2.0
+PAHOLE_LICENSE_FILES = COPYING
+
+$(eval $(host-cmake-package))