SHELL = /bin/bash
USE_RAMDISK ?= 0
APPPATH = /usr/bin
LIBPATH = /usr/lib
BINFOLDER = bin

RUN_TESTS ?= 1

# can be queued from version 4.2 via MAKEFLAGS sice there is the number of jobs as well
MAKE_PID := $(shell echo $$PPID)
JOB_FLAG := $(filter -j%, $(subst -j ,-j,$(shell ps T | grep "^\s*$(MAKE_PID).*$(MAKE)")))
JOBS     := $(subst -j,,$(JOB_FLAG))
ifndef JOBS
JOBS := 1
endif

SUBDIRS_LIBS = alib2std \
		alib2common \
		alib2data \
		alib2data_experimental \
		alib2str \
		alib2str_experimental \
		alib2raw \
		alib2algo \
		alib2algo_experimental \
		alib2elgo \
		alib2measurepp \

SUBDIRS_BINS = aecho2 \
		aarbology2 \
		acast2 \
		aconversions2 \
		aconvert2 \
		acompaction2 \
		aderivation2 \
		adeterminize2 \
		acompare2 \
		aepsilon2 \
		agenerate2 \
		aintegral2 \
		alangop2 \
		ameasure2 \
		ameasurep2 \
		aminimize2 \
		anormalize2 \
		araw2 \
		arand2 \
		arename2 \
		areverse2 \
		arun2 \
		astat2 \
		aaccess2 \
		astringology2 \
		aquery2 \
		atrim2 \
		tniceprint \

define NEW_LINE


endef

export NEW_LINE

ifneq (3.81, $(firstword $(sort $(MAKE_VERSION) 3.81)))
$(error version $(MAKE_VERSION) is not supported. You need at least 3.82 is needed for make to work)
endif

TCLAP_EXISTS = $(shell $(CXX) -c -o /dev/null -xc++ - <<< $$'\#include <tclap/CmdLine.h>'; echo $$?)
ifneq (0, $(TCLAP_EXISTS))
$(error You need tclap installed)
endif

CPPUNIT_EXISTS = $(shell $(CXX) -o /dev/null -lcppunit -xc++ - <<< $$'\#include <cppunit/Test.h>\nint main() {\nreturn 0;\n}'; echo $$?)
ifneq (0, $(CPPUNIT_EXISTS))
$(error You need cppunit installed)
endif

LIBXML2_EXISTS = $(shell $(CXX) -o /dev/null -I/usr/include/libxml2/ -lxml2 -xc++ - <<< $$'\#include <libxml/xmlreader.h>\nint main() {\nreturn 0;\n}'; echo $$?)
ifneq (0, $(LIBXML2_EXISTS))
$(error You need libxml2 installed)
endif


SUBDIRS_WITH_MAKE = $(dir $(wildcard */makefile))

.PHONY: build-debug   clean-debug   \
	build-release clean-release \
	debug release clean         doc all

all:
	@echo "What to do master?"

debug build-debug:
	for dir in $(SUBDIRS_LIBS); do \
		$(MAKE) $@ -C $$dir || exit 1; \
	done
	for dir in $(SUBDIRS_BINS); do \
		$(MAKE) debug -C $$dir || exit 1; \
	done
	if [ ! -w $(addsuffix -debug, $(BINFOLDER)) ] && [ $(USE_RAMDISK) -eq 1 ]; then\
		ln -s /tmp/`date +'%s%N'`-$(addsuffix -debug, $(BINFOLDER)) $(subst /, , $(addsuffix -debug, $(BINFOLDER))) 2>/dev/null;\
	fi;\
	if [ -L $(subst /, , $(addsuffix -debug, $(BINFOLDER))) ]; then\
		mkdir -p `readlink $(subst /, , $(addsuffix -debug, $(BINFOLDER)))`;\
	else\
		mkdir -p $(addsuffix -debug, $(BINFOLDER));\
	fi
	rm -rf $(addsuffix -debug, $(BINFOLDER))/*
	for dir in $(SUBDIRS_LIBS); do \
	    cp $$dir/lib-debug/* $(addsuffix -debug, $(BINFOLDER)); \
	done
	for dir in $(SUBDIRS_BINS); do \
	    cp $$dir/bin-debug/* $(addsuffix -debug, $(BINFOLDER)); \
	done
	cp translateAddresses $(addsuffix -debug, $(BINFOLDER)); \
	cp xmlFormat $(addsuffix -debug, $(BINFOLDER)); \
	if [ "$@" == "debug" ] && [ $(RUN_TESTS) -eq 1 ]; then for test in $(wildcard tests.*.sh); do \
		./$$test debug $(JOBS); \
	done; fi

release build-release:
	for dir in $(SUBDIRS_LIBS); do \
		$(MAKE) $@ -C $$dir || exit 1; \
	done
	for dir in $(SUBDIRS_BINS); do \
		$(MAKE) release -C $$dir || exit 1; \
	done
	if [ ! -w $(addsuffix -release, $(BINFOLDER)) ] && [ $(USE_RAMDISK) -eq 1 ]; then\
		ln -s /tmp/`date +'%s%N'`-$(addsuffix -release, $(BINFOLDER)) $(subst /, , $(addsuffix -release, $(BINFOLDER))) 2>/dev/null;\
	fi;\
	if [ -L $(subst /, , $(addsuffix -release, $(BINFOLDER))) ]; then\
		mkdir -p `readlink $(subst /, , $(addsuffix -release, $(BINFOLDER)))`;\
	else\
		mkdir -p $(addsuffix -release, $(BINFOLDER));\
	fi
	rm -rf $(addsuffix -release, $(BINFOLDER))/*
	for dir in $(SUBDIRS_LIBS); do \
	    cp $$dir/lib-release/* $(addsuffix -release, $(BINFOLDER)); \
	done
	for dir in $(SUBDIRS_BINS); do \
	    cp $$dir/bin-release/* $(addsuffix -release, $(BINFOLDER)); \
	done
	cp translateAddresses $(addsuffix -release, $(BINFOLDER)); \
	cp xmlFormat $(addsuffix -release, $(BINFOLDER)); \
	if [ "$@" == "release" ] && [ $(RUN_TESTS) -eq 1 ]; then for test in $(wildcard tests.*.sh); do \
		./$$test release $(JOBS); \
	done; fi

clean: clean-debug clean-release
	$(RM) -r bin-debug bin-release

clean-debug:
	for dir in $(SUBDIRS_WITH_MAKE); do \
	    $(MAKE) clean-debug -C $$dir; \
	done

clean-release:
	for dir in $(SUBDIRS_WITH_MAKE); do \
	    $(MAKE) clean-release -C $$dir; \
	done

doc:
	$(MAKE) doc -C alib2std
	$(MAKE) doc -C alib2data
	$(MAKE) doc -C alib2common
	$(MAKE) doc -C alib2str
	$(MAKE) doc -C alib2raw
	$(MAKE) doc -C alib2algo
	$(MAKE) doc -C alib2elgo
	$(MAKE) doc -C alib2measurepp