# GLOBAL Makefile for all packages
#
# DO NOT EDIT -- Automatically generated by Adam's configuration system!!!
#

IGNORE_OBJDIR_TARGETS := up update diff

L4DIR ?= ..
include $(L4DIR)/mk/Makeconf

BID_STATE_FILE = $(OBJ_BASE)/pkg/BUILD.state

# all our packages
ALL_SUBDIRS	= $(shell find -L . -maxdepth 1 -type d ! -name .svn -printf %P' ')

ifneq ($(S),)
  ALL_SUBDIRS := $(shell echo $(S) | tr ':,' ' ')
endif

# the broken packages
BROKEN_SUBDIRS	= $(patsubst %/broken, %, \
			$(wildcard $(addsuffix /broken,$(ALL_SUBDIRS))))
# the obsolete packages
OBSOLETE_SUBDIRS = $(patsubst %/obsolete, %, \
			$(wildcard $(addsuffix /obsolete,$(ALL_SUBDIRS))))
# and the packages we are supposed to build
BUILD_SUBDIRS  = $(filter-out $(BROKEN_SUBDIRS) $(OBSOLETE_SUBDIRS), \
                   $(ALL_SUBDIRS))

# force that every package to be built has a Control and Makefile
ifneq ($(addsuffix /Makefile,$(BUILD_SUBDIRS)),$(wildcard $(addsuffix /Makefile,$(BUILD_SUBDIRS))))
$(error Missing Makefile files: $(filter-out $(wildcard $(addsuffix /Makefile,$(BUILD_SUBDIRS))), $(addsuffix /Makefile,$(BUILD_SUBDIRS))))
endif
ifeq ($(S),)
ifneq ($(addsuffix /Control,$(BUILD_SUBDIRS)),$(wildcard $(addsuffix /Control,$(BUILD_SUBDIRS))))
$(error Missing Control files: $(filter-out $(wildcard $(addsuffix /Control,$(BUILD_SUBDIRS))), $(addsuffix /Control,$(BUILD_SUBDIRS))))
endif
endif

#####################
# Rules begin.
# We start with cont-checking, as this requires special treatment
ifeq ($(filter cont,$(MAKECMDGOALS)),)

#####################
# default make action is "all" - build all packages
#
# We build all l4env headers (idl+includes), then all l4env libs, then the
# l4env servers and examples. Then we build the other headers
# (idl+includes), the other libs, the other servers and examples. We use
# dependencies for this, witch might allow parallel build processes.
#

all:: $(BUILD_SUBDIRS)

examples: $(filter-out examples,$(BUILD_SUBDIRS))

#####################
# cont handling
-include $(BID_STATE_FILE)
BID_cont_reset:
	$(VERBOSE)$(RM) $(BID_STATE_FILE)
BID_SAFE_STATE= @echo 'BID_STATE_DONE+=$@'>>$(BID_STATE_FILE)

.PHONY: all BID_cont_reset cont bin lib headers idl include doc ptest
.PHONY: rm-old-links

DOC_MESSAGE       =echo "=== Creating documentation for package \"$(1)\" ==="
PKG_MESSAGE       =echo "=== Building package \"$(basename $@)\" ==="
INST_MESSAGE      =echo "=== Installing Package \"$(1)\" ==="
PURGE_INC_MESSAGE =echo "=== Purging pending links in $(L4DIR)/include ==="
PURGE_LIB_MESSAGE =echo "=== Purging pending links in $(L4DIR)/lib ==="
UPDATE_MESSAGE    =echo -e $(EMPHSTART)"=== Updating \"$(1)\" ==="$(EMPHSTOP)
DIFF_MESSAGE      =echo -e $(EMPHSTART)"=== Diffing \"$(1)\" ==="$(EMPHSTOP)
PTEST_MESSAGE     =echo "=== Testing Package \"$(1)\" ==="

# given order matters
ALIASES_DIRS = $(L4DIR)/mk/aliases.d \
               $(wildcard $(OBJ_BASE)/aliases.d)

PKGDEPS_CMD  = $(L4DIR)/mk/pkgdeps \
                     -P $(OBJ_BASE)/pc $(addprefix -A ,$(ALIASES_DIRS))

ifneq ($(OBJ_BASE),)
$(OBJ_BASE)/pc:
	$(VERBOSE)mkdir -p $(OBJ_BASE)/pc

# deps on disappearing aliases.d-files are not handled...
$(OBJ_BASE)/pkg/.Package.deps: $(L4DIR)/mk/pkgdeps \
                               $(if $(filter update up,$(MAKECMDGOALS)),,Makefile) \
                               $(wildcard $(foreach d,$(ALIASES_DIRS),$(d)/*)) \
			       $(OBJ_BASE)/pc \
                               $(wildcard $(foreach d,$(BUILD_SUBDIRS),$(d)/Control))
	$(VERBOSE)mkdir -p $(dir $@)
	$(VERBOSE)if $(PKGDEPS_CMD) \
	  generate $(L4DIR)/pkg > $@.tmp; then \
	    mv $@.tmp $@; else $(RM) $@.tmp; exit 1; fi

include $(OBJ_BASE)/pkg/.Package.deps
endif

$(BUILD_SUBDIRS):%:%/Makefile BID_cont_reset
	@$(PKG_MESSAGE)
	$(VERBOSE)PWD=$(PWD)/$(basename $@) $(MAKE) -C $(basename $@) all
	$(VERBOSE)$(BID_SAFE_STATE)

install::
	$(VERBOSE)set -e; for i in $(BUILD_SUBDIRS); do \
	  $(call INST_MESSAGE,$(BID_DOLLARQUOTE)$$i); \
	  PWD=$(PWD)/$$i $(MAKE) -C $$i $@; \
	done

doc:
	$(VERBOSE)set -e; for i in $(BUILD_SUBDIRS); do \
	  if [ -e $(PWD)/$$i/doc ]; then                \
	  $(call DOC_MESSAGE,$(BID_DOLLARQUOTE)$$i);    \
	  PWD=$(PWD)/$$i $(MAKE) -C $$i $@;             \
	  fi;                                           \
	done

# Check package dependencies.
#   CHECK_PKGS: if undefined, check all packages,
#               otherwise gives a list of space separated packages to check
#   CHECK_FULL: if set rebuild for every new package check
#                 (ccache recommended when using this flag)
depcheck:
	$(VERBOSE)set -e; \
	$(RM) -r $(filter-out $(OBJ_BASE)/pkg/Makefile,       \
	                      $(wildcard $(OBJ_BASE)/pkg/*)); \
	for checkpkg in $(filter-out $(CHECK_GOOD),$(if $(CHECK_PKGS),$(CHECK_PKGS),$(BUILD_SUBDIRS))); do \
	  echo ==========================================================;     \
	  echo "Deleting all pkgs in build-dir";                               \
	  $(RM) -r $(OBJ_BASE)/lib $(OBJ_BASE)/bin $(OBJ_BASE)/include         \
	           $(OBJ_BASE)/pc $(OBJ_BASE)/pkg/.Package.deps;               \
	  $(if $(CHECK_FULL),$(RM) -r $(OBJ_BASE)/pkg;,)                       \
	  echo "Done";                                                         \
	  echo ----------------------------------------------------------;     \
	  echo "Trying standalone build of '$$checkpkg'";                      \
	  echo $(MAKE) O=$(OBJ_BASE) --no-print-directory $$checkpkg;          \
	  $(MAKE) O=$(OBJ_BASE) --no-print-directory $$checkpkg                \
	    || (echo "Failed package: $$checkpkg";                             \
	        echo "Good package(s): CHECK_GOOD=\"$(CHECK_GOOD) $$PKGDONE\"";\
	        exit 1) || exit 1;                                             \
	  PKGDONE="$$PKGDONE $$checkpkg";                                      \
	done;                                                                  \
	echo "Packages     tested: $(CHECK_GOOD) $$PKGDONE"

depgraph: depsrcgraph depobjgraph
depsrcgraph: $(PKGDIR_OBJ)/depsrc.svg $(PKGDIR_OBJ)/depsrc.ps $(PKGDIR_OBJ)/depsrc.reduced.svg $(PKGDIR_OBJ)/depsrc.reduced.ps
depobjgraph: $(PKGDIR_OBJ)/depobj.svg $(PKGDIR_OBJ)/depobj.ps $(PKGDIR_OBJ)/depobj.reduced.svg $(PKGDIR_OBJ)/depobj.reduced.ps

%.ps: %.dot
	@$(GEN_MESSAGE)
	$(VERBOSE)dot -Tps -o $@ $<

%.svg: %.dot
	@$(GEN_MESSAGE)
	$(VERBOSE)dot -Tsvg -o $@ $<

%.reduced.dot: %.dot
	@$(GEN_MESSAGE)
	$(VERBOSE)tred $< > $@

$(PKGDIR_OBJ)/depsrc.dot: FORCE 
	@$(GEN_MESSAGE)
	$(VERBOSE)$(PKGDEPS_CMD) dot $(L4DIR)/pkg > $@

$(PKGDIR_OBJ)/depobj.dot: FORCE
	@$(GEN_MESSAGE)
	$(VERBOSE)$(L4DIR)/tool/bin/pkgdepsobj $(L4DIR_ABS) $(OBJ_BASE) $@

ptest:
	$(VERBOSE)set -e; \
	for d in $(BUILD_SUBDIRS); do \
	  if [ -n "$$(find $$d -type d -name $@)" ]; then \
	    $(call PTEST_MESSAGE,$(BID_DOLLARQUOTE)$$d); \
	    PWD=$(PWD)/$$d $(MAKE) -C $$d $@; \
	  fi; \
	done

TAGS:
	$(ETAGS)

tags:
	$(CTAGS)

.PHONY: TAGS tags depsrcgraph depobjgraph depgraph depcheck
.PHONY: $(foreach ext, .bin .lib .include .idl .headers,addsuffix $(ext), $(BUILD_SUBDIRS))

clean cleanall:: BID_cont_reset
clean cleanall::
	$(VERBOSE)$(RM) $(UPDATE_LOG)
	$(VERBOSE)for i in $(BUILD_SUBDIRS) $(OBSOLETE_SUBDIRS); do \
	  echo "=== Cleaning in package  \"$$i\" ==="; \
	  if [ -r $$i/Makefile ] ; then PWD=$(PWD)/$$i $(MAKE) -C $$i $@; fi ; \
	done
	$(VERBOSE)$(MAKE) rm-old-links

del-backup:
	$(VERBOSE)rm -i `find . -name "*~"` `find . -name "#*#"`

rm-old-links:
	@$(PURGE_INC_MESSAGE)
	$(VERBOSE)test ! -d $(L4DIR)/include || \
	  find $(L4DIR)/include -type l -a ! -xtype f -a ! -xtype d \
	    -exec rm $(if $(VERBOSE),,-v) '{}' ';'
	@$(PURGE_LIB_MESSAGE)
	$(VERBOSE)test ! -d $(L4DIR)/lib || \
	  find $(L4DIR)/lib -type l -a ! -xtype f -a ! -xtype d \
	    -exec rm $(if $(VERBOSE),,-v) '{}' ';'


# Update Makefile on update.
ifneq ($(filter update up,$(MAKECMDGOALS)),)
.PHONY: Makefile
Makefile: update.log
	$(SVN) up $@ 2>&1 | tee -a $(UPDATE_LOG)
endif

UPDATE_LOG = $(call absfilename, $(L4DIR)/pkg/update.log)
.PHONY: update.log
update.log:
	$(VERBOSE)$(RM) $(UPDATE_LOG)

update up: update.log
	$(VERBOSE)$(call UPDATE_MESSAGE,Packages)
	$(VERBOSE)set -e; \
	  $(SVN) update $(ALL_SUBDIRS) 2>&1 | tee -a $(UPDATE_LOG)

# global defines

.PHONY:	install clean cleanall kernels


print-subdirs:
	@echo $(BUILD_SUBDIRS)
	@echo obsolete: $(OBSOLETE_SUBDIRS)
	@echo broken: $(BROKEN_SUBDIRS)

help:
	@echo "Specify one of the following targets:"
	@echo "all             - build the packages neither broken nor obsolete"
	@echo " Use make S=dir1:dir2:..: to build those directories"
	@echo "cont            - after correcting errors, continue where \"make all\" failed"
	@echo "<pkgname>       - Build package and all its dependencies"
#	@echo "doc             - build documentation (not build per default)"
	@echo "install         - install the packages, use only after making all!"
	@echo
	@echo "clean           - clean the packages"
	@echo "cleanall        - clean the packages pedanticly"
	@echo "del-backup      - remove temporary file in this tree"
	@echo "print-subdirs   - print the SUBDIRS which are subject to build"
	@echo "BID_cont_reset  - reset the state used by the \"cont\" target"
	@echo 'rm-old-links    - remove invalid symlinks in $$(L4DIR)/lib, $$(L4DIR)/include'
	@echo "update          - update the packages currently checked out"
	@echo "help            - this help"

#####################
# cont handling: "cont" is in the target list
else
-include $(BID_STATE_FILE)
cont:
	$(VERBOSE)$(MAKE) $(addprefix -o ,BID_cont_reset $(BID_STATE_DONE)) \
		$(filter-out cont,$(MAKECMDGOALS))

# eat up the other targets
.DEFAULT:
	@true
endif