# Clear out all vpaths, then set just one (default vpath) for the main build
# directory.
vpath
vpath % .

# Clear the default suffixes, so that built-in rules are not used.
.SUFFIXES :

SHELL := /bin/sh

CC := @CC@

# Configuration parameters.
DESTDIR =
BINDIR := $(DESTDIR)@BINDIR@
INCLUDEDIR := $(DESTDIR)@INCLUDEDIR@
LIBDIR := $(DESTDIR)@LIBDIR@
DATADIR := $(DESTDIR)@DATADIR@
MANDIR := $(DESTDIR)@MANDIR@

# Build parameters.
CPPFLAGS := @CPPFLAGS@ -I@srcroot@include -I@objroot@include
CFLAGS := @CFLAGS@
ifeq (macho, @abi@)
CFLAGS += -dynamic
endif
LDFLAGS := @LDFLAGS@
LIBS := @LIBS@
RPATH_EXTRA := @RPATH_EXTRA@
ifeq (macho, @abi@)
SO := dylib
WL_SONAME := dylib_install_name
else
SO := so
WL_SONAME := soname
endif
REV := 1
ifeq (macho, @abi@)
TEST_LIBRARY_PATH := DYLD_FALLBACK_LIBRARY_PATH=@objroot@lib
else
TEST_LIBRARY_PATH :=
endif

# Lists of files.
BINS := @srcroot@bin/pprof
CHDRS := @objroot@include/jemalloc/jemalloc@install_suffix@.h \
	@objroot@include/jemalloc/jemalloc_defs@install_suffix@.h
CSRCS := @srcroot@src/jemalloc.c @srcroot@src/arena.c @srcroot@src/atomic.c \
	@srcroot@src/base.c @srcroot@src/bitmap.c @srcroot@src/chunk.c \
	@srcroot@src/chunk_dss.c @srcroot@src/chunk_mmap.c \
	@srcroot@src/chunk_swap.c @srcroot@src/ckh.c @srcroot@src/ctl.c \
	@srcroot@src/extent.c @srcroot@src/hash.c @srcroot@src/huge.c \
	@srcroot@src/mb.c @srcroot@src/mutex.c @srcroot@src/prof.c \
	@srcroot@src/rtree.c @srcroot@src/stats.c @srcroot@src/tcache.c
ifeq (macho, @abi@)
CSRCS += @srcroot@src/zone.c
endif
STATIC_LIBS :=	@objroot@lib/libjemalloc@install_suffix@.a
DSOS := @objroot@lib/libjemalloc@install_suffix@.$(SO).$(REV) \
	@objroot@lib/libjemalloc@install_suffix@.$(SO) \
	@objroot@lib/libjemalloc@install_suffix@_pic.a
MAN3 := @objroot@doc/jemalloc@install_suffix@.3
DOCS_XML := @objroot@doc/jemalloc@install_suffix@.xml
DOCS_HTML := $(DOCS_XML:@objroot@%.xml=@srcroot@%.html)
DOCS_MAN3 := $(DOCS_XML:@objroot@%.xml=@srcroot@%.3)
DOCS := $(DOCS_HTML) $(DOCS_MAN3)
CTESTS := @srcroot@test/allocated.c @srcroot@test/allocm.c \
	@srcroot@test/bitmap.c @srcroot@test/mremap.c \
	@srcroot@test/posix_memalign.c @srcroot@test/rallocm.c \
	@srcroot@test/thread_arena.c

.PHONY: all dist doc_html doc_man doc
.PHONY: install_bin install_include install_lib
.PHONY: install_html install_man install_doc install
.PHONY: tests check clean distclean relclean

.SECONDARY : $(CTESTS:@srcroot@%.c=@objroot@%.o)

# Default target.
all: $(DSOS) $(STATIC_LIBS)

dist: doc

@srcroot@doc/%.html : @objroot@doc/%.xml @srcroot@doc/stylesheet.xsl @objroot@doc/html.xsl
	@XSLTPROC@ -o $@ @objroot@doc/html.xsl $<

@srcroot@doc/%.3 : @objroot@doc/%.xml @srcroot@doc/stylesheet.xsl @objroot@doc/manpages.xsl
	@XSLTPROC@ -o $@ @objroot@doc/manpages.xsl $<

doc_html: $(DOCS_HTML)
doc_man: $(DOCS_MAN3)
doc: $(DOCS)

#
# Include generated dependency files.
#
-include $(CSRCS:@srcroot@%.c=@objroot@%.d)
-include $(CSRCS:@srcroot@%.c=@objroot@%.pic.d)
-include $(CTESTS:@srcroot@%.c=@objroot@%.d)

@objroot@src/%.o: @srcroot@src/%.c
	@mkdir -p $(@D)
	$(CC) $(CFLAGS) -c $(CPPFLAGS) -o $@ $<
	@$(SHELL) -ec "$(CC) -MM $(CPPFLAGS) $< | sed \"s/\($(subst /,\/,$(notdir $(basename $@)))\)\.o\([ :]*\)/$(subst /,\/,$(strip $(dir $@)))\1.o \2/g\" > $(@:%.o=%.d)"

@objroot@src/%.pic.o: @srcroot@src/%.c
	@mkdir -p $(@D)
	$(CC) $(CFLAGS) -fPIC -DPIC -c $(CPPFLAGS) -o $@ $<
	@$(SHELL) -ec "$(CC) -MM $(CPPFLAGS) $< | sed \"s/\($(subst /,\/,$(notdir $(basename $(basename $@))))\)\.o\([ :]*\)/$(subst /,\/,$(strip $(dir $@)))\1.pic.o \2/g\" > $(@:%.o=%.d)"

%.$(SO) : %.$(SO).$(REV)
	@mkdir -p $(@D)
	ln -sf $(<F) $@

@objroot@lib/libjemalloc@install_suffix@.$(SO).$(REV) : $(CSRCS:@srcroot@%.c=@objroot@%.pic.o)
	@mkdir -p $(@D)
	$(CC) -shared -Wl,-$(WL_SONAME),$(@F) $(RPATH_EXTRA:%=@RPATH@%) -o $@ $+ $(LDFLAGS) $(LIBS)

@objroot@lib/libjemalloc@install_suffix@_pic.a : $(CSRCS:@srcroot@%.c=@objroot@%.pic.o)
	@mkdir -p $(@D)
	ar crus $@ $+

@objroot@lib/libjemalloc@install_suffix@.a : $(CSRCS:@srcroot@%.c=@objroot@%.o)
	@mkdir -p $(@D)
	ar crus $@ $+

@objroot@test/%.o: @srcroot@test/%.c
	@mkdir -p $(@D)
	$(CC) $(CFLAGS) -c $(CPPFLAGS) -I@objroot@test -o $@ $<
	@$(SHELL) -ec "$(CC) -MM $(CPPFLAGS) -I@objroot@test $< | sed \"s/\($(subst /,\/,$(notdir $(basename $@)))\)\.o\([ :]*\)/$(subst /,\/,$(strip $(dir $@)))\1.o \2/g\" > $(@:%.o=%.d)"

# Automatic dependency generation misses #include "*.c".
@objroot@test/bitmap.o : @objroot@src/bitmap.o

@objroot@test/%: @objroot@test/%.o \
		 @objroot@lib/libjemalloc@install_suffix@.$(SO)
	@mkdir -p $(@D)
ifneq (@RPATH@, )
	$(CC) -o $@ $< @RPATH@@objroot@lib -L@objroot@lib -ljemalloc@install_suffix@
else
	$(CC) -o $@ $< -L@objroot@lib -ljemalloc@install_suffix@
endif

install_bin:
	install -d $(BINDIR)
	@for b in $(BINS); do \
	echo "install -m 755 $$b $(BINDIR)"; \
	install -m 755 $$b $(BINDIR); \
done

install_include:
	install -d $(INCLUDEDIR)/jemalloc
	@for h in $(CHDRS); do \
	echo "install -m 644 $$h $(INCLUDEDIR)/jemalloc"; \
	install -m 644 $$h $(INCLUDEDIR)/jemalloc; \
done

install_lib: $(DSOS) $(STATIC_LIBS)
	install -d $(LIBDIR)
	install -m 755 @objroot@lib/libjemalloc@install_suffix@.$(SO).$(REV) $(LIBDIR)
	ln -sf libjemalloc@install_suffix@.$(SO).$(REV) $(LIBDIR)/libjemalloc@install_suffix@.$(SO)
	install -m 755 @objroot@lib/libjemalloc@install_suffix@_pic.a $(LIBDIR)
	install -m 755 @objroot@lib/libjemalloc@install_suffix@.a $(LIBDIR)

install_html:
	install -d $(DATADIR)/doc/jemalloc@install_suffix@
	@for d in $(DOCS_HTML); do \
	echo "install -m 644 $$d $(DATADIR)/doc/jemalloc@install_suffix@"; \
	install -m 644 $$d $(DATADIR)/doc/jemalloc@install_suffix@; \
done

install_man:
	install -d $(MANDIR)/man3
	@for d in $(DOCS_MAN3); do \
	echo "install -m 644 $$d $(MANDIR)/man3"; \
	install -m 644 $$d $(MANDIR)/man3; \
done

install_doc: install_html install_man

install: install_bin install_include install_lib install_doc

tests: $(CTESTS:@srcroot@%.c=@objroot@%)

check: tests
	@mkdir -p @objroot@test
	@$(SHELL) -c 'total=0; \
		failures=0; \
		echo "========================================="; \
		for t in $(CTESTS:@srcroot@%.c=@objroot@%); do \
			total=`expr $$total + 1`; \
			/bin/echo -n "$${t} ... "; \
			$(TEST_LIBRARY_PATH) $${t} @abs_srcroot@ @abs_objroot@ \
			  > @objroot@$${t}.out 2>&1; \
			if test -e "@srcroot@$${t}.exp"; then \
				diff -u @srcroot@$${t}.exp \
				  @objroot@$${t}.out >/dev/null 2>&1; \
				fail=$$?; \
				if test "$${fail}" -eq "1" ; then \
					failures=`expr $${failures} + 1`; \
					echo "*** FAIL ***"; \
				else \
					echo "pass"; \
				fi; \
			else \
				echo "*** FAIL *** (.exp file is missing)"; \
				failures=`expr $${failures} + 1`; \
			fi; \
		done; \
		echo "========================================="; \
		echo "Failures: $${failures}/$${total}"'

clean:
	rm -f $(CSRCS:@srcroot@%.c=@objroot@%.o)
	rm -f $(CSRCS:@srcroot@%.c=@objroot@%.pic.o)
	rm -f $(CSRCS:@srcroot@%.c=@objroot@%.d)
	rm -f $(CSRCS:@srcroot@%.c=@objroot@%.pic.d)
	rm -f $(CTESTS:@srcroot@%.c=@objroot@%)
	rm -f $(CTESTS:@srcroot@%.c=@objroot@%.o)
	rm -f $(CTESTS:@srcroot@%.c=@objroot@%.d)
	rm -f $(CTESTS:@srcroot@%.c=@objroot@%.out)
	rm -f $(DSOS) $(STATIC_LIBS)

distclean: clean
	rm -rf @objroot@autom4te.cache
	rm -f @objroot@config.log
	rm -f @objroot@config.status
	rm -f @objroot@config.stamp
	rm -f @cfghdrs_out@
	rm -f @cfgoutputs_out@

relclean: distclean
	rm -f @objroot@configure
	rm -f @srcroot@VERSION
	rm -f $(DOCS_HTML)
	rm -f $(DOCS_MAN3)

#===============================================================================
# Re-configuration rules.

ifeq (@enable_autogen@, 1)
@srcroot@configure : @srcroot@configure.ac
	cd ./@srcroot@ && @AUTOCONF@

@objroot@config.status : @srcroot@configure
	./@objroot@config.status --recheck

@srcroot@config.stamp.in : @srcroot@configure.ac
	echo stamp > @srcroot@config.stamp.in

@objroot@config.stamp : @cfgoutputs_in@ @cfghdrs_in@ @srcroot@configure
	./@objroot@config.status
	@touch $@

# There must be some action in order for make to re-read Makefile when it is
# out of date.
@cfgoutputs_out@ @cfghdrs_out@ : @objroot@config.stamp
	@true
endif
