# @configure_input@
CC           = @CC@
CFLAGS       = @CFLAGS@
CPPFLAGS     = @CPPFLAGS@
CPPFLAGS    += @CPPFLAGS_ADD@
LDFLAGS      = @LDFLAGS@
SHARED       = @SHARED@
LIBS         = @LIBS@

INSTALL      = @INSTALL@
SED          = @SED@
STRIP        = @STRIP@

prefix       = @prefix@
exec_prefix  = @exec_prefix@
bindir       = @bindir@
includedir   = @includedir@
libdir       = @libdir@
datarootdir  = @datarootdir@
pkgconfigdir = @pkgconfigdir@
lmoddir      = @lmoddir@
cmoddir      = @cmoddir@

headers      = @headers@
objects      = @objects@

llibs = \
	lem/repl.lua \
	lem/parsers.lua \
	lem/io.lua \
	lem/io/queue.lua \
	lem/signal.lua \
	lem/lfs.lua \
	lem/http.lua \
	lem/http/response.lua \
	lem/http/server.lua \
	lem/http/client.lua \
	lem/queue.lua \
	lem/hathaway.lua 

clibs = \
	lem/utils.so \
	lem/parsers/core.so \
	lem/io/core.so \
	lem/signal/core.so \
	lem/lfs/core.so \
	lem/http/core.so

ifdef V
E=@\#
Q=
else
E=@echo
Q=@
endif

.PHONY: all strip install clean

all: CPPFLAGS += -DNDEBUG
all: bin/lem lem.pc $(clibs)

debug: bin/lem lem.pc $(clibs)

bin/libev.o: CFLAGS += -w
include/lem.h: lua/luaconf.h
bin/lua.o: lua/luaconf.h
bin/lem.o: include/lem.h bin/pool.c
bin/lem.o: CPPFLAGS += -D'LEM_LDIR="$(lmoddir)/"'
lem/io/core.so: include/lem-parsers.h \
	lem/io/file.c \
	lem/io/stream.c \
	lem/io/server.c \
	lem/io/unix.c \
	lem/io/tcp.c
lem/parsers/core.so: include/lem-parsers.h
lem/http/core.so: include/lem-parsers.h

%.o: %.c
	$E '  CC    $@'
	$Q$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@

bin/lem: $(objects)
	$E '  LD    $@'
	$Q$(CC) $^ -o $@ -rdynamic $(LDFLAGS) $(LIBS)

%.so: %.c include/lem.h
	$E '  CCLD  $@'
	$Q$(CC) $(CFLAGS) $(CPPFLAGS) -fPIC -nostartfiles $(SHARED) $< -o $@ $(LDFLAGS)

lua/luaconf.h: lua/luaconf.h.in
	$E '  SED > $@'
	$Q$(SED) \
	  -e 's|@lmoddir[@]|$(lmoddir)|' \
	  -e 's|@cmoddir[@]|$(cmoddir)|' \
	  $< > $@

lem.pc: lem.pc.in
	$E '  SED > $@'
	$Q$(SED) \
	  -e 's|@lmoddir[@]|$(lmoddir)|' \
	  -e 's|@cmoddir[@]|$(cmoddir)|' \
	  -e 's|@includedir[@]|$(includedir)|' \
	  -e 's|@Lua_CFLAGS[@]|@Lua_CFLAGS@|' \
	  $< > $@

%-strip: %
	$E '  STRIP $<'
	$Q$(STRIP) $(STRIP_ARGS) $<

strip: bin/lem-strip $(clibs:%=%-strip)

$(DESTDIR)$(bindir)/%: bin/%
	$E '  INSTALL $@'
	$Q$(INSTALL) -d $(dir $@)
	$Q$(INSTALL) -m 755 $< $@

$(DESTDIR)$(includedir)/lem/%: lua/%
	$E '  INSTALL $@'
	$Q$(INSTALL) -d $(dir $@)
	$Q$(INSTALL) -m 644 $< $@

$(DESTDIR)$(includedir)/lem/%: libev/%
	$E '  INSTALL $@'
	$Q$(INSTALL) -d $(dir $@)
	$Q$(INSTALL) -m 644 $< $@

$(DESTDIR)$(includedir)/lem/%: include/%
	$E '  INSTALL $@'
	$Q$(INSTALL) -d $(dir $@)
	$Q$(INSTALL) -m 644 $< $@

$(DESTDIR)$(lmoddir)/% $(DESTDIR)$(cmoddir)/% $(DESTDIR)$(pkgconfigdir)/%: %
	$E '  INSTALL $@'
	$Q$(INSTALL) -d $(dir $@)
	$Q$(INSTALL) -m 644 $< $@

install: \
	$(DESTDIR)$(bindir)/lem \
	$(DESTDIR)$(pkgconfigdir)/lem.pc \
	$(headers:%=$(DESTDIR)$(includedir)/lem/%) \
	$(llibs:%=$(DESTDIR)$(lmoddir)/%) \
	$(clibs:%=$(DESTDIR)$(cmoddir)/%)

clean:
	rm -f bin/lem bin/*.o $(clibs) lua/luaconf.h lem.pc