package/bcc/bcc.mk

################################################################################
#
# bcc
#
################################################################################

BCC_VERSION = 0.29.1
BCC_SITE = https://github.com/iovisor/bcc/releases/download/v$(BCC_VERSION)
BCC_SOURCE = bcc-src-with-submodule.tar.gz
BCC_LICENSE = Apache-2.0
BCC_LICENSE_FILES = LICENSE.txt
BCC_INSTALL_STAGING = YES
BCC_DEPENDENCIES = \
	clang \
	elfutils \
	flex \
	host-bison \
	host-flex \
	host-python-setuptools \
	host-zip \
	llvm \
	python3

# ENABLE_LLVM_SHARED=ON to use llvm.so - we only support shared libs
# Force REVISION otherwise bcc will use git describe to generate a version number.
BCC_CONF_OPTS = \
	-DENABLE_LLVM_SHARED:BOOL=ON \
	-DREVISION:STRING=$(BCC_VERSION) \
	-DENABLE_CLANG_JIT:BOOL=ON \
	-DENABLE_MAN:BOOL=OFF \
	-DENABLE_EXAMPLES:BOOL=OFF \
	-DPY_SKIP_DEB_LAYOUT:BOOL=ON

define BCC_LINUX_CONFIG_FIXUPS
	# Enable kernel support for eBPF
	$(call KCONFIG_ENABLE_OPT,CONFIG_BPF)
	$(call KCONFIG_ENABLE_OPT,CONFIG_BPF_SYSCALL)
	$(call KCONFIG_ENABLE_OPT,CONFIG_NET_CLS_BPF)
	$(call KCONFIG_ENABLE_OPT,CONFIG_NET_ACT_BPF)
	$(call KCONFIG_ENABLE_OPT,CONFIG_BPF_JIT)
	# [for Linux kernel versions 4.1 through 4.6]
	$(call KCONFIG_ENABLE_OPT,CONFIG_HAVE_BPF_JIT)
	# [for Linux kernel versions 4.7 and later]
	$(call KCONFIG_ENABLE_OPT,CONFIG_HAVE_EBPF_JIT)
	$(call KCONFIG_ENABLE_OPT,CONFIG_BPF_EVENTS)
	# [for Linux kernel versions 5.2 and later]
	$(call KCONFIG_ENABLE_OPT,CONFIG_IKHEADERS)
	# bcc needs debugfs at runtime
	$(call KCONFIG_ENABLE_OPT,CONFIG_DEBUG_FS)
endef

$(eval $(cmake-package))