#
# rcsid $Header: /usr/cvsroot/magic-8.0/Makefile,v 1.1.1.1 2008/02/03 20:43:49 tim Exp $
#

MAGICDIR   = .
# Absolute path to the source tree (config.status substitutes @abs_top_srcdir@).
# For an in-tree build this is the same directory as the build top.  Every
# recursion below drives a build subdirectory (created on demand) using the
# module Makefile from the source tree: -C <builddir> -f ${MAGICSRC}/<dir>/Makefile.
MAGICSRC   = @abs_top_srcdir@
PROGRAMS   = magic
TECHS      = scmos
LIBRARIES  = database utils extflat
MODULES    = bplane cmwind commands database dbwind debug drc extflat \
	     extract graphics netmenu plow resis select sim textio tiles \
	     utils windows wiring

# This was `cat VERSION`
VERSION    := $(shell cat ${MAGICSRC}/VERSION)

MAKEFLAGS  =
INSTALL_CAD_DIRS = windows doc ${TECHS}

-include defs.mak

# "docs" when configure found latex+dvips (regenerate PostScript from .tex into
# the build tree), empty otherwise (the pre-built PostScript is installed as-is).
DOCS_TARGET = @DOCS_TARGET@

all:	$(ALL_TARGET) techs $(DOCS_TARGET)

standard: mains

tcl: tcllibrary

force:
	@${MAKE} clean
	@${MAKE} all

defs.mak:
	@echo No \"defs.mak\" file found.  Run "configure" to make one.
	@exit 1

config:
	${MAGICSRC}/configure

tcllibrary: ${DATABASE_H} modules
	@echo --- making Tcl shared libraries
	for dir in ${PROGRAMS}; do \
		mkdir -p $$dir && ${MAKE} -C $$dir -f ${MAGICSRC}/$$dir/Makefile tcl-main || exit 1; done

mains: ${DATABASE_H} modules libs
	@echo --- making main programs
	for dir in ${PROGRAMS}; do \
		mkdir -p $$dir && ${MAKE} -C $$dir -f ${MAGICSRC}/$$dir/Makefile main || exit 1; done

# makedbh is the one generated helper script; it lives in the *build* tree.
# ${DATABASE_H} is $(builddir)/database/database.h in-tree, or
# $(builddir)/include/database/database.h when relocated (see defs.mak GENINC).
${DATABASE_H}: ${MAGICSRC}/database/database.h.in
	@echo --- making header file ${DATABASE_H}
	@mkdir -p $(dir ${DATABASE_H})
	${MAGICDIR}/scripts/makedbh ${MAGICSRC}/database/database.h.in ${DATABASE_H}

# "prepare" is the stable, path-independent way to (re)generate the build-time
# headers (currently database.h) before compiling -- use it instead of naming
# the header directly (its path depends on in-tree vs relocated; see GENINC).
# It is .PHONY so the name is always valid, but its prerequisite ${DATABASE_H}
# is a real file target, so the header is regenerated only when out of date.
.PHONY: prepare
prepare: ${DATABASE_H}

# tiles xyz => tiles/libtiles.o xyz/libxyz.o
MODULES_SUBDIR := $(shell for i in ${MODULES}; do echo "$${i}/lib$${i}.o"; done)
# tiles xyz => tiles/libtiles.a xyz/libxyz.a
LIBS_SUBDIR := $(shell for i in ${MODULES}; do echo "$${i}/lib$${i}.a"; done)

.PHONY: FORCE
${MODULES_SUBDIR}: FORCE
	@d=$(dir $@); mkdir -p $$d && ${MAKE} -C $$d -f ${MAGICSRC}/$${d}Makefile module

.PHONY: modules
modules: ${DATABASE_H} depend ${MODULES_SUBDIR}

${LIBS_SUBDIR}: FORCE
	@d=$(dir $@); mkdir -p $$d && ${MAKE} -C $$d -f ${MAGICSRC}/$${d}Makefile lib

# Force the tiles/utils modules to exist first for libdatabase.a
.PHONY: libs
libs: ${DATABASE_H} depend tiles/libtiles.o utils/libutils.o ${LIBS_SUBDIR}

#
# extcheck - utility tool
# net2ir   - utility tool
# oa       - disabled (needs 'clean' target renaming)
SUBDIRS = bplane cmwind commands database dbwind debug drc extflat extract graphics \
	  magic netmenu plow resis select sim textio tiles utils windows wiring

BUNDLED_MODULES = readline lisp

# Unique list of all subdir that might have Depend file, we have to deduplicate otherwise
# MAKE will warning loudly.  This list is somewhat empty when defs.mak does not exist
SUBDIRS_FILTERED := $(shell echo ${MODULES} ${PROGRAMS} ${SUBDIRS} | tr ' ' '\n' | sort | uniq)

SUBDIRS_DEPEND = $(addsuffix /Depend, ${SUBDIRS_FILTERED})

${SUBDIRS_DEPEND}: ${DATABASE_H}
	@echo --- making dependencies
	@d=$(dir $@); mkdir -p $$d && ${MAKE} -C $$d -f ${MAGICSRC}/$${d}Makefile depend

.PHONY: depend
depend: defs.mak ${SUBDIRS_DEPEND}

.PHONY: techs
techs: depend
	@echo --- making techs
	for dir in ${TECHS}; do \
		mkdir -p $$dir && ${MAKE} -C $$dir -f ${MAGICSRC}/$$dir/Makefile all || exit 1; done

# Regenerate the PostScript documentation from its .tex sources (only reached
# from "all" when configure found latex+dvips; see DOCS_TARGET).
.PHONY: docs
docs:
	@echo --- making documentation
	@mkdir -p doc/latexfiles
	@${MAKE} -k -C doc/latexfiles -f ${MAGICSRC}/doc/latexfiles/Makefile all || \
	    echo "--- WARNING: some documents did not regenerate; the pre-built PostScript will be used for those at 'make install'"

install: $(INSTALL_TARGET)

install-magic:
	@echo --- installing executable to $(DESTDIR)${INSTALL_BINDIR}
	@echo --- installing runtime files to $(DESTDIR)${INSTALL_LIBDIR}
	@${MAKE} install-real

install-real: install-dirs
	for dir in ${INSTALL_CAD_DIRS}; do \
		mkdir -p $$dir && ${MAKE} -C $$dir -f ${MAGICSRC}/$$dir/Makefile install; done
	for dir in ${PROGRAMS}; do \
		mkdir -p $$dir && ${MAKE} -C $$dir -f ${MAGICSRC}/$$dir/Makefile install; done

install-tcl-dirs:
	${SCRIPTS}/mkdirs $(DESTDIR)${INSTALL_BINDIR} \
	$(DESTDIR)${INSTALL_MANDIR} $(DESTDIR)${INSTALL_SYSDIR} \
	$(DESTDIR)${INSTALL_TCLDIR} $(DESTDIR)${INSTALL_TCLDIR}/bitmaps

install-dirs:
	${SCRIPTS}/mkdirs $(DESTDIR)${INSTALL_BINDIR} \
	$(DESTDIR)${INSTALL_MANDIR} $(DESTDIR)${INSTALL_SYSDIR} \
	$(DESTDIR)${INSTALL_SCMDIR}

install-tcl:
	@echo --- installing executable to $(DESTDIR)${INSTALL_BINDIR}
	@echo --- installing runtime files to $(DESTDIR)${INSTALL_LIBDIR}
	@${MAKE} install-tcl-real

install-tcl-real: install-tcl-dirs
	for dir in ${INSTALL_CAD_DIRS} ${PROGRAMS}; do \
		mkdir -p $$dir && ${MAKE} -C $$dir -f ${MAGICSRC}/$$dir/Makefile install-tcl; done

clean:
	for dir in ${SUBDIRS_FILTERED} ${TECHS} ${BUNDLED_MODULES}; do \
		test -d $$dir && ${MAKE} -C $$dir -f ${MAGICSRC}/$$dir/Makefile clean || true; done
	${RM} *.tmp */*.tmp *.sav */*.sav *.log TAGS tags

distclean:
	touch defs.mak
	@${MAKE} clean
	# NB: do NOT remove rules.mak here.  In-tree (build == source) it is the
	# tracked source file, not a generated one; out-of-tree the build dir is
	# disposable, so leaving its generated copy is harmless.
	${RM} defs.mak old.defs.mak
	${RM} scripts/makedbh scripts/default.conf
	${RM} config.log config.status
	${RM} ${DATABASE_H}
	${RM} scripts/magic.spec magic-${VERSION} magic-${VERSION}.tgz
	${RM} *.log

dist:
	${RM} scripts/magic.spec magic-${VERSION} magic-${VERSION}.tgz
	${SED} -e /@VERSION@/s%@VERSION@%${VERSION}% \
	    ${MAGICSRC}/scripts/magic.spec.in > scripts/magic.spec
	${LN} -nsf . magic-${VERSION}
	tar zchvf magic-${VERSION}.tgz --exclude CVS \
	    --exclude magic-${VERSION}/magic-${VERSION} \
	    --exclude magic-${VERSION}/magic-${VERSION}.tgz \
	    magic-${VERSION}

clean-mains:
	for dir in ${PROGRAMS}; do \
		${RM} $$dir/$$dir; done

tags:
	${RM} tags
	cd ${MAGICSRC} && find . ${MODULES} ${PROGRAMS} -name "*.[ch]" -maxdepth 1 | xargs ctags -o $(CURDIR)/tags

TAGS:
	${RM} TAGS
	cd ${MAGICSRC} && find . ${MODULES} ${PROGRAMS} -name "*.[ch]" -maxdepth 1 | xargs etags -o $(CURDIR)/TAGS

setup-git:
	git config --local include.path ../.gitconfig
	git stash save
	${RM} .git/index
	git checkout HEAD -- "$$(git rev-parse --show-toplevel)"
	git stash pop