/* 
 * The following macros are supported
 * ----------------------------------
 * create_dir(dir)			- Create a directory hierarchy
 * AnsiCC()				- Specify desire for ANSI compiling
 * ProfiledObjectRule()			- Build profiled objects/libraries
 * SpecialObject(obj,depends,options)	- Build a special object
 *
 * cmd_table(tbl)			- build a command table module (tbl.ct)
 * error_table(tbl)			- build an error table module (tbl.et)
 *
 * SimpleProgram(prog,objs,libs,dest)	- Build/install a program    (simple)
 * build_program(prog,objs,ldflags,libs)- Build a program            (complex)
 * install_program(prog,instflags,dest)	- Install a program          (complex)
 * install_script(prog,instflags,dest)	- Install a script	     (complex)
 *
 * SimpleLibrary(base,objs,destdir)	- Build/install a library    (simple)
 * build_library(base,objs)		- Build a library
 * install_library(base,dir)		- Install a library
 *
 * SimpleLint(base,srcs)		- Build/install a lint library
 *
 * install_man(src,name)		- Install man page
 * install_man_links(name,links)	- Install man page links
 *
 * install_file(src,dest)		- Install file
 *
 * foreach_subdirs(name,subdirs)	- Make 'name' in subdirs
 * do_subdirs_imakefile(subdirs)	- Make Makefile in subdirs (Athena)
 * do_subdirs_xmakefile(subdirs)	- Make Makefile in subdirs (X-style)
 * do_subdirs(subdirs)			- Make common instances in subdirs
 */

#define concat2(a,b) a/**/b
#define concat3(a,b,c) a/**/b/**/c

#define create_dir(dir)							@@\
install_dirs:: $(DESTDIR)dir						@@\
$(DESTDIR)dir::								@@\
	$(MKDIRHIER) $(DESTDIR)dir

#define build_program(prog,objs,ldflags,libs)				@@\
all::	prog								@@\
prog::	objs								@@\
	$(LD) ldflags $(LDFLAGS) -o prog objs $(LDPATH) libs $(LDLIBS)	@@\
clean::									@@\
	$(RM) prog							@@\

#ifndef static_program
#define static_program(prog,objs,ldflags,libs)				@@\
build_program(prog,objs,ldflags,libs)
#endif

#define install_program(prog,instflags,dest)				@@\
install::								@@\
	$(INSTALL) InstPgmFlags instflags prog $(DESTDIR)dest

#define install_script(prog,instflags,dest)				@@\
install::								@@\
	$(INSTALL) InstScriptFlags instflags prog $(DESTDIR)dest

#define install_file(src,dest)						@@\
install::								@@\
	$(INSTALL) -m 0444 src $(DESTDIR)dest

#define SimpleProgram(prog,objs,libs,dest)				@@\
build_program(prog,objs,,libs)						@@\
install_program(prog,,dest)

#define SpecialObject(obj,depends,options)				@@\
obj: depends								@@\
	$(RM) $@							@@\
	$(CC) -c $(CFLAGS) options $*.c

#define install_man(src,name)						@@\
install.man::								@@\
	base=`expr name \: '\(.*\)\.'`; \				@@\
	ext=`expr name \: '.*\.\(.*\)'`; \				@@\
	sdir=$(DESTDIR)$(ATHMANDIR)/man`expr name \: '.*\.\(.\)'`; \	@@\
	$(INSTALL) -m 0444 src $${sdir}/`basename name`

#define install_man_links(name,links)					@@\
name.so:								@@\
	$(RM) name.so							@@\
	sdir=man`expr name \: '.*\.\(.\)'`; \				@@\
	echo ".so $${sdir}/name" > name.so				@@\
clean::									@@\
	$(RM) name.so							@@\
install.man:: name.so							@@\
	for i in links; do \						@@\
		sdir=$(DESTDIR)$(ATHMANDIR)/man`expr $$i \: '.*\.\(.\)'`;\ @@\
		$(INSTALL) -m 0444 name.so $${sdir}/$$i;\		@@\
	done

#ifdef NOPROF
#define ProfiledObjectRule()
#else
#define ProfiledObjectRule()						@@\
.c.o:									@@\
	$(RM) $@ profiled/$@						@@\
	$(CC) ProfCcFlags -c $(CFLAGS) $*.c				@@\
	mv $*.o profiled/$*.o						@@\
	$(CC) -c $(CFLAGS) $*.c						@@\
all:: profiled all-prof							@@\
install:: inst-prof							@@\
profiled:								@@\
	-mkdir $@
#endif

#define AnsiCC()							@@\
CC=AnsiCcCmd								@@\
LD=AnsiLdCmd

#define error_table(tbl)						@@\
depend:: concat2(tbl,.c) concat2(tbl,.h)				@@\
concat2(tbl,.o): concat2(tbl,.c)					@@\
concat2(tbl,.c) concat2(tbl,.h): concat2(tbl,.et)			@@\
	$(RM) concat2(tbl,.c) concat2(tbl,.h)				@@\
	$(ETCMD) concat2(tbl,.et)					@@\
clean::									@@\
	$(RM) concat2(tbl,.c) concat2(tbl,.h)

#define cmd_table(tbl)							@@\
depend:: concat2(tbl,.c)						@@\
concat2(tbl,.o): concat2(tbl,.c)					@@\
concat2(tbl,.c): concat2(tbl,.ct)					@@\
	$(RM) concat2(tbl,.c) concat2(tbl,.h)				@@\
	$(SSCMD) concat2(tbl,.ct)					@@\
clean::									@@\
	$(RM) concat2(tbl,.c)

#define build_library(base,objs)					@@\
all::	concat3(lib,base,.a)						@@\
concat3(lib,base,.a)::	objs						@@\
	ar cru concat3(lib,base,.a) objs				@@\
	$(RANLIB) concat3(lib,base,.a)					@@\
all-prof:: concat3(lib,base,_p.a)					@@\
concat3(lib,base,_p.a):	objs						@@\
	cd profiled; ar cru concat3(../lib,base,_p.a) objs		@@\
	$(RANLIB) concat3(lib,base,_p.a)

#define install_library(base,dir)					@@\
install::								@@\
	$(RM) concat3($(DESTDIR)dir/lib,base,.a)			@@\
	$(INSTALL) -m 0644 concat3(lib,base,.a) $(DESTDIR)dir		@@\
	$(RANLIB) concat3($(DESTDIR)dir/lib,base,.a)			@@\
inst-prof::								@@\
	$(RM) concat3($(DESTDIR)dir/lib,base,_p.a)			@@\
	$(INSTALL) -m 0644 concat3(lib,base,_p.a) $(DESTDIR)dir		@@\
	$(RANLIB) concat3($(DESTDIR)dir/lib,base,_p.a)

#define SimpleLibrary(base,objs,dir)					@@\
build_library(base,objs)						@@\
install_library(base,dir)


#ifdef NOLINT
#define SimpleLint(base,srcs)
#else
#define SimpleLint(base,srcs)						@@\
all::	concat3(llib-l,base,.ln)					@@\
concat3(llib-l,base,.ln):: srcs						@@\
	LintCmd $(LINTCFLAG)base LintFlags $(LINTFLAGS) srcs		@@\
install::								@@\
	$(INSTALL) concat3(llib-l,base,.ln) $(DESTDIR)/usr/lib/lint/	@@\
clean::									@@\
	$(RM) concat3(llib-l,base,.ln)
#endif

#define makefile_target()						@@\
Makefile:: $(ICONFIGFILES)						@@\
	-@if [ -f Makefile ]; then \                                    @@\
        	echo "  $(RM) Makefile.bak; mv Makefile Makefile.bak"; \ @@\
		$(RM) Makefile.bak; mv Makefile Makefile.bak; \		@@\
        else exit 0; fi                                                 @@\
	$(IMAKE) $(IPROJ) $(IFLAGS) -DNEWTOP=$(TOP) -DNEWCWD=$(CWD) @@\
									@@\
XMakefile::								@@\
	-@if [ -f Makefile ]; then \                                    @@\
        	echo "  $(RM) Makefile.bak; mv Makefile Makefile.bak"; \ @@\
		$(RM) Makefile.bak; mv Makefile Makefile.bak; \		@@\
        else exit 0; fi                                                 @@\
	$(IMAKE) $(XIFLAGS)


#define foreach_subdirs_flags(name,subdirs,flgs)			@@\
name:: FRC								@@\
	@for d in subdirs; \						@@\
	do \								@@\
		(cd $$d; echo "### Making" name "in $(CWD)/$$d"; \	@@\
			make $(MFLAGS) flgs DESTDIR=$(DESTDIR) name; \	@@\
			echo "### Done with $(CWD)/$$d"); \		@@\
	done

#define do_subdirs_flags(subdirs,flgs)					@@\
	foreach_subdirs_flags(all, subdirs, flgs)			@@\
	foreach_subdirs_flags(install, subdirs, flgs)			@@\
	foreach_subdirs_flags(clean, subdirs, flgs)			@@\
	foreach_subdirs_flags(depend, subdirs, flgs)			@@\
subdirs:: FRC								@@\
	@(cd $@; echo "### Making" all "in $(CWD)/$@"; \		@@\
		make $(MFLAGS) flgs DESTDIR=$(DESTDIR) all ; \		@@\
		echo "### Done with $(CWD)/$@")

#define foreach_subdirs(name,subdirs)					@@\
	foreach_subdirs_flags(name,subdirs,)

#define do_subdirs(subdirs)						@@\
	do_subdirs_flags(subdirs,)

#define do_subdirs_imakefile(subdirs)					@@\
	foreach_subdirs(install.man, subdirs)				@@\
Makefiles:: Makefile							@@\
	@echo "### Making Makefiles in $(CWD)"				@@\
	@-for d in subdirs; \						@@\
	do \								@@\
		case "$$d" in \						@@\
                ./?*/?*/?*/?*)	newtop=../../../.. ;; \			@@\
                ./?*/?*/?*)	newtop=../../.. ;; \			@@\
                ./?*/?*)	newtop=../.. ;; \			@@\
                ./?*)		newtop=.. ;; \				@@\
                */?*/?*/?*)	newtop=../../../.. ;; \			@@\
                */?*/?*)	newtop=../../.. ;; \			@@\
                */?*)		newtop=../.. ;; \			@@\
                *)		newtop=.. ;; \				@@\
                esac; \							@@\
		( cd $$d; \						@@\
		  echo "### Making Makefile in $(CWD)/$$d"; \		@@\
		  if [ -f Makefile ]; then \				@@\
			$(RM) Makefile.bak; \				@@\
		 	mv Makefile Makefile.bak; fi; \			@@\
		  make -f $${newtop}/Makefile TOP=$${newtop}/$(TOP) \	@@\
			CWD=$(CWD)/$$d Makefile; \			@@\
		  make $(MFLAGS) Makefiles; \				@@\
		  echo "### Done with $(CWD)/$$d" ) ; \			@@\
	done

#define do_subdirs_xmakefile(subdirs)					@@\
	foreach_subdirs(install.man,subdirs)				@@\
Makefiles:: Makefile							@@\
	@echo "### Making Makefiles in $(CWD)"				@@\
	@-for d in subdirs; \						@@\
	do \								@@\
		case "$$d" in \						@@\
                ./?*/?*/?*/?*)	newtop=../../../.. ;; \			@@\
                ./?*/?*/?*)	newtop=../../.. ;; \			@@\
                ./?*/?*)	newtop=../.. ;; \			@@\
                ./?*)		newtop=.. ;; \				@@\
                */?*/?*/?*)	newtop=../../../.. ;; \			@@\
                */?*/?*)	newtop=../../.. ;; \			@@\
                */?*)		newtop=../.. ;; \			@@\
                *)		newtop=.. ;; \				@@\
                esac; \							@@\
		( cd $$d; \						@@\
		  echo "### Making Makefile in $(CWD)/$$d"; \		@@\
		  if [ -f Makefile ]; then \				@@\
			$(RM) Makefile.bak; \				@@\
		 	mv Makefile Makefile.bak; fi; \			@@\
		  make -f $${newtop}/Makefile TOP=$${newtop}/$(TOP) \	@@\
			CWD=$(CWD)/$$d XMakefile; \			@@\
		  make $(MFLAGS) Makefiles; \				@@\
		  echo "### Done with $(CWD)/$$d" ) ; \			@@\
	done

#define create_depend(files)						@@\
depend:: files								@@\
	makedepend $(CFLAGS) files