#!/usr/bin/make -f
# -*- makefile -*-

# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1

include /usr/share/dpkg/pkg-info.mk

# for building libbpf-tools on selective architecture
include /usr/share/dpkg/architecture.mk
libbpf_tool_skip_arch := armhf s390x ppc64

# Disable tests as they require root to run
export DEB_BUILD_MAINT_OPTIONS=nocheck
export DEB_CPPFLAGS_MAINT_APPEND=-DCUSTOM_MACRO=true

DEB_DIR=$(abspath $(dir $(firstword $(MAKEFILE_LIST))))

# Remove the +ds suffix from the version passed to CMake
VERSION_UPSTREAM=$(shell echo $(DEB_VERSION_UPSTREAM) | sed -e 's/+ds$$//')


%:
	dh $@ --buildsystem=cmake --with pkgkde_symbolshelper,python3

override_dh_auto_clean:
ifneq ($(DEB_HOST_ARCH),$(findstring $(DEB_HOST_ARCH), $(libbpf_tool_skip_arch)))
	make -C libbpf-tools V=1 clean
endif
	dh_auto_clean
	sed -i 's|lib=$$(dirname $$0)$$|lib=$$(dirname $$0)/lib|' $(CURDIR)/tools/*.sh

override_dh_auto_configure:
	sed -i "s/\/lib//" $(CURDIR)/tools/*.sh
	dh_auto_configure -- -DREVISION_LAST=$(VERSION_UPSTREAM) \
		-DREVISION=$(VERSION_UPSTREAM) \
		-DCMAKE_USE_LIBBPF_PACKAGE=on \
		-DLLVM_DEFINITIONS="-D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS" \
		-DPYTHON_CMD="python3" -DENABLE_LLVM_SHARED=on

override_dh_auto_install:
	dh_auto_install
ifneq ($(DEB_HOST_ARCH),$(findstring $(DEB_HOST_ARCH), $(libbpf_tool_skip_arch)))
	make -C libbpf-tools V=1 prefix=$(DEB_DIR)/tmp/libbpf-tools install
endif
	test -d $(CURDIR)/debian/tmp/usr/share/bcc/tools/doc && \
		mv $(CURDIR)/debian/tmp/usr/share/bcc/tools/doc/* \
			$(CURDIR)/debian/tmp/usr/share/bcc/doc/ && \
		rm -d $(CURDIR)/debian/tmp/usr/share/bcc/tools/doc


	for eachFile in $(CURDIR)/debian/tmp/usr/share/bcc/tools/* ; do \
			test -f  $$eachFile && mv $$eachFile $$eachFile-bpfcc ; \
	done

	# Don't rename the C file to different name and move it to
	# /usr/share/bpfcc-tools/
	mkdir -p $(CURDIR)/debian/bpfcc-tools/usr/share/bpfcc-tools/
	mv $(CURDIR)/debian/tmp/usr/share/bcc/tools/deadlock.c-bpfcc \
		$(CURDIR)/debian/bpfcc-tools/usr/share/bpfcc-tools/deadlock.c ; \
	mv $(CURDIR)/debian/tmp/usr/share/bcc/tools/netqtop.c-bpfcc \
		$(CURDIR)/debian/bpfcc-tools/usr/share/bpfcc-tools/netqtop.c ; \

	# Move the swapin_example file to usr/share/bcc/doc and remove -bpfcc its a
	# text file
	mv $(CURDIR)/debian/tmp/usr/share/bcc/tools/swapin-bpfcc \
		$(CURDIR)/debian/tmp/usr/share/bcc/doc/swapin.txt ; \
	chmod -x $(CURDIR)/debian/tmp/usr/share/bcc/doc/swapin.txt ; \

	for eachMan in $(CURDIR)/debian/tmp/usr/share/bcc/man/man8/* ; do \
			test -f $$eachMan && manPage=`basename $$eachMan | cut -d "." -f1`; \
			if [ $$manPage != "bps" ]; then \
				mv $$eachMan $(CURDIR)/debian/tmp/usr/share/bcc/man/man8/$$manPage-bpfcc.8 ; \
			else \
				mkdir -p $(CURDIR)/debian/tmp/usr/share/bcc/introspection/man/man8/ ; \
				mv $$eachMan $(CURDIR)/debian/tmp/usr/share/bcc/introspection/man/man8/ ;\
			fi \
	done

	#FIXME: I know this is ugly but for the time being doing it this way
	for eachMan in $(CURDIR)/debian/tmp/usr/share/bcc/man/man8/* ; do \
		test -f $$eachMan && manPage=`basename $$eachMan | cut -d "." -f1 | cut -d "-" -f1`; \
		if [ $$manPage = "ucalls" -o $$manPage = "uflow" -o $$manPage = "ugc" \
					-o $$manPage = "uobjnew" -o $$manPage = "ustat" -o $$manPage = "uthreads" ]; then \
				mv $$eachMan $(CURDIR)/debian/tmp/usr/share/bcc/man/man8/$$manPage.8 ; \
		fi \
	done


# Some binaries end up in wrong paths like /usr/sbin/lib/
# THis fixes those
	test -d $(CURDIR)/debian/tmp/usr/share/bcc/tools/lib/ && \
		mv $(CURDIR)/debian/tmp/usr/share/bcc/tools/lib/* \
			$(CURDIR)/debian/tmp/usr/share/bcc/tools/ && \
		rm -rf $(CURDIR)/debian/tmp/usr/share/bcc/tools/lib/

override_dh_python3:
	# See Debian Bug #926187
	dh_python3 --shebang=/usr/bin/python3

override_dh_installdocs:
	dh_installdocs -A debian/README.Debian

override_dh_auto_test:
ifeq (,$(findstring nocheck,$(DEB_BUILD_MAINT_OPTIONS)))
	dh_auto_test
endif