# Bottom part of Makefile for the UCW Libraries
# (c) 1997--2008 Martin Mares <mj@ucw.cz>

# The run tree

DOCDIR=doc

runtree: run/.tree-stamp $(addsuffix /.dir-stamp,$(addprefix $(o)/,$(DIRS)) $(addprefix run/$(DOCDIR)/,$(DOC_MODULES)))

run/.tree-stamp: $(o)/config.mk
	$(M)Creating runtree
	$(Q)mkdir -p run $(addprefix run/, $(CONFIG_DIR) $(EXTRA_RUNDIRS) $(INSTALL_RUNDIRS))
	$(Q)touch run/.tree-stamp

# Miscellaneous targets

programs: $(PROGS)
datafiles: $(DATAFILES)
tests: $(TESTS)
configs: $(addprefix run/$(CONFIG_DIR)/,$(CONFIGS))
docs: runtree $(DOCS) $(DOC_INDICES)

tags:
	etags `find . -name "*.[ch]"`

# Black magic with dependencies. It would be more correct to make "depend.new"
# a prerequisite for "depend", but "depend.new" often has the same timestamp
# as "depend" which would confuse make a lot and either force remaking anyway
# or (as in current versions of GNU make) erroneously skipping the remaking.

-include $(o)/depend

$(o)/depend: force
	$(Q)if [ -s $(o)/depend.new ] ; then $(BUILDSYS)/mergedeps $(o)/depend $(o)/depend.new ; >$(o)/depend.new ; fi

force:

# Rules for directories

%.dir-stamp:
	$(Q)mkdir -p $(@D) && touch $@

# Rules for configuration files

run/$(CONFIG_DIR)/%: $(s)/$(CONFIG_SRC_DIR)/% $(o)/config.mk $(BUILDSYS)/genconf
	$(M)CF $<
	$(Q)$(BUILDSYS)/genconf $< $@ $(o)/config.mk

$(o)/%.cf: $(s)/%.cf $(o)/config.mk $(BUILDSYS)/genconf
	$(M)CF $<
	$(Q)$(BUILDSYS)/genconf $< $@ $(o)/config.mk
	$(Q)cp $@ run/$(CONFIG_DIR)/$(basename $(@F))

# Rules for libraries

%.a:
	$(M)AR $@
	$(Q)rm -f $@
	$(Q)ar rcs $@ $^
ifdef CONFIG_INSTALL_API
	$(Q)$(call symlink-alias,$@,run/lib,$(*F)$(LIBNAME_INFIX).a)
endif

%.so:
	$(M)LD $@
	$(Q)$(CC) $(LSHARED) $(LDFLAGS) -o $@ $(shell PKG_CONFIG_PATH="$(PKG_CONFIG_PATH)" PKG_CONFIG_OPTS="$(PKG_CONFIG_OPTS)" $(BUILDSYS)/lib-flags $^) $(LIBS)
	$(Q)$(call symlink-alias,$@,run/$(SO_RUNDIR),$(*F)$(SONAME_INFIX).so$(SONAME_SUFFIX))
	$(Q)ln -fs $(*F)$(SONAME_INFIX).so$(SONAME_SUFFIX) run/$(SO_RUNDIR)/$(*F)$(SONAME_INFIX).so

# On Darwin, gcc expects shared libraries in *.dylib instead of *.so.
# Surprisingly, when a program is run, it suffices to have *.so files.
# We don't want to mess up the whole build system with configurable
# suffices and we also don't want to incur an overhead on Linux, so we
# just create symbolic links on Darwin, if requested.
%.dylib: %.so
	cd $(dir $<) && ln -fs $(notdir $<) $(notdir $@)

$(o)/%.pc: $(s)/%.pc $(o)/%$(LV).$(LS)
	$(M)PC $<
	$(Q)DEPS="$(shell $(BUILDSYS)/lib-deps $^)" LIBDIR=$(@D) $(BUILDSYS)/genconf $< $@ $(o)/config.mk
	$(Q)mkdir -p $(o)/pkgconfig
	$(Q)$(call symlink,$@,$(o)/pkgconfig)

# Rules for public API

ifdef CONFIG_INSTALL_API

ifdef CONFIG_LOCAL
# Need an absolute path
API_ROOT:=$(shell pwd)/run
API_LIBDIR=$(API_ROOT)/lib
API_INCDIR=$(API_ROOT)/include
else
API_LIBDIR=$(INSTALL_LIB_DIR)
API_INCDIR=$(INSTALL_INCLUDE_DIR)
endif
INSTALL_RUNDIRS+=include lib/pkgconfig
api: $(API_INCLUDES) $(addprefix run/lib/pkgconfig/,$(addsuffix .pc,$(API_LIBS)))

$(o)/%/.include-stamp:
	$(Q)$(BUILDSYS)/install-includes $(<D) run/include/$(IDST) $(?F)
	$(Q)touch $@

run/lib/pkgconfig/%.pc:		# RHS supplied in the sub-makefile
	$(M)PC-API $@
	$(Q)sed <$< >$@ "s@^libdir=.*@libdir=$(API_LIBDIR)@;s@^incdir=.*@incdir=$(API_INCDIR)@"

else
api:
endif

# Rules for compiling C

$(o)/%.o: $(s)/%.c $(o)/autoconf.h
	$(M)CC $<
	$(Q)DEPENDENCIES_OUTPUT="$(o)/depend.new $@" $(CC) $(CFLAGS) -c -o $@ $<

$(o)/%.o: %.c $(o)/autoconf.h
	$(M)CC $<
	$(Q)DEPENDENCIES_OUTPUT="$(o)/depend.new $@" $(CC) $(CFLAGS) -c -o $@ $<

%.o: %.c $(o)/autoconf.h
	$(M)CC $<
	$(Q)DEPENDENCIES_OUTPUT="$(o)/depend.new $@" $(CC) $(CFLAGS) -c -o $@ $<

$(o)/%.oo: $(s)/%.c $(o)/autoconf.h
	$(M)CC-SO $<
	$(Q)DEPENDENCIES_OUTPUT="$(o)/depend.new $@" $(CC) $(CFLAGS) $(CSHARED) -c -o $@ $<

$(o)/%.oo: %.c $(o)/autoconf.h
	$(M)CC-SO $<
	$(Q)DEPENDENCIES_OUTPUT="$(o)/depend.new $@" $(CC) $(CFLAGS) $(CSHARED) -c -o $@ $<

%.oo: %.c $(o)/autoconf.h
	$(M)CC-SO $<
	$(Q)DEPENDENCIES_OUTPUT="$(o)/depend.new $@" $(CC) $(CFLAGS) $(CSHARED) -c -o $@ $<

$(o)/%-tt.o: $(s)/%.c $(o)/autoconf.h
	$(M)CC-TEST $<
	$(Q)DEPENDENCIES_OUTPUT="$(o)/depend.new $@" $(CC) $(CFLAGS) -DTEST -c -o $@ $<

# Rules for testing

$(o)/%-t: $(o)/%-tt.o $(TESTING_DEPS)
	$(M)LD-TEST $@
	$(Q)$(CC) $(LDFLAGS) -o $@ $(shell PKG_CONFIG_PATH="$(PKG_CONFIG_PATH)" PKG_CONFIG_OPTS="$(PKG_CONFIG_OPTS)" $(BUILDSYS)/lib-flags $^) $(LIBS)

$(o)/%.test: $(s)/%.t $(BUILDSYS)/tester
	$(M)TEST $@
	$(Q)$(BUILDSYS)/tester --rundir=run $(TESTERFLAGS) $< && touch $@

# Rules for binaries

BINDIR=bin

$(o)/%: $(o)/%.o
	$(M)LD $@
	$(Q)$(CC) $(LDFLAGS) -o $@ $(shell PKG_CONFIG_PATH="$(PKG_CONFIG_PATH)" PKG_CONFIG_OPTS="$(PKG_CONFIG_OPTS)" $(BUILDSYS)/lib-flags $^) $(LIBS)
	$(Q)$(call symlink,$@,run/$(BINDIR))

$(o)/%: $(s)/%.sh $(o)/config.mk $(BUILDSYS)/genconf
	$(M)PP $<
	$(Q)$(BUILDSYS)/genconf $< $@ $(o)/config.mk
	$(Q)chmod +x $@
	$(Q)$(call symlink,$@,run/$(BINDIR))

$(o)/%: %.sh $(o)/config.mk $(BUILDSYS)/genconf
	$(M)PP $<
	$(Q)$(BUILDSYS)/genconf $< $@ $(o)/config.mk
	$(Q)chmod +x $@
	$(Q)$(call symlink,$@,run/$(BINDIR))

$(o)/%: $(s)/%.pl $(o)/config.mk $(BUILDSYS)/genconf
	$(M)PP $<
	$(Q)$(BUILDSYS)/genconf $< $@ $(o)/config.mk
	$(Q)chmod +x $@
	$(Q)$(call symlink,$@,run/$(BINDIR))

$(o)/%: %.pl $(o)/config.mk $(BUILDSYS)/genconf
	$(M)PP $<
	$(Q)$(BUILDSYS)/genconf $< $@ $(o)/config.mk
	$(Q)chmod +x $@
	$(Q)$(call symlink,$@,run/$(BINDIR))

PERL_MODULE_DIR=UCW

$(o)/%.pm: $(s)/%.pm
	$(M)"PM $< -> run/lib/perl5/$(PERL_MODULE_DIR)/$(@F)"
	$(Q)cp $^ $@
	$(Q)$(call symlink,$@,run/lib/perl5/$(PERL_MODULE_DIR))

$(o)/%.pm: %.pm
	$(M)"PM $< -> run/lib/perl/$(PERL_MODULE_DIR)/$(@F)"
	$(Q)cp $^ $@
	$(Q)$(call symlink,$@,run/lib/perl5/$(PERL_MODULE_DIR))

# Rules for data files

DATADIR=lib

$(DATAFILES): $(o)/%: $(s)/%
	$(M)DATA $<
	$(Q)cp $^ $@
	$(Q)$(call symlink,$@,run/$(DATADIR))

# Rules for documentation

$(o)/%.html: $(o)/%.txt $(BUILDSYS)/asciidoc.conf $(BUILDSYS)/asciidoc-xhtml.conf run/$(DOCDIR)/$(DOC_MODULE)/.dir-stamp
	$(M)"DOC-HTML $<"
	$(Q)asciidoc -e -f $(BUILDSYS)/asciidoc.conf -f $(BUILDSYS)/asciidoc-xhtml.conf -f $(HOST_PREFIX)/etc/asciidoc/asciidoc.conf -f $(HOST_PREFIX)/etc/asciidoc/xhtml11.conf $<
	$(Q)$(call symlink,$@,run/$(DOCDIR)/$(DOC_MODULE))

# In reality, we do not depend on the .txt files, but on the corresponding .deflist's.
# However, the Makefile language cannot express that doc-extract generates both .txt
# and .deflist, so we always use the .txt's in dependencies.
$(patsubst %.html,%.txt,$(DOC_INDICES)): $(o)/%.txt: $(patsubst %.html,%.txt,$(DOCS)) $(BUILDSYS)/doc-defs
	$(M)"DOC-DEFS $@"
	$(Q)echo $@: $(DOC_HEAD) $(DOC_LIST) >> $(o)/depend.new
	$(Q)$(BUILDSYS)/doc-defs $(DOC_HEAD) $@ $(DOC_LIST)

$(patsubst %.html,%.txt,$(DOCS)): $(o)/%.txt: $(s)/%.txt $(BUILDSYS)/doc-extract
	$(M)"DOC-EXT $<"
	$(Q)$(BUILDSYS)/doc-extract $< $@ $(o)/depend.new $(s) $(patsubst %.txt,%.deflist,$@)

# Don't delete intermediate targets. There shouldn't be any, but due to bugs
# in GNU Make rules with targets in not-yet-existing directories are ignored
# when searching for implicit rules and thence targets considered intermediate.
.SECONDARY:

.PHONY: all clean distclean runtree programs api datafiles force tags configs dust install docs tests