DESCR = "Linux with PerfCtr $(VERSION) patch and library, and perfmon2 libpfm library" 

ifneq (/usr,$(PERFCTR_PREFIX))

PWD = $(shell pwd)

ifeq (,$(PERFCTR_LIB_PATH))

ifeq (,$(PERFCTR_ROOT))

	PERFCTR_ROOT := $(PWD)/perfctr-$(VERSION)

endif

	PERFCTR_LIB_PATH := $(PERFCTR_ROOT)/usr.lib

	CC_SHR += -Wl,-rpath-link -Wl,$(PERFCTR_LIB_PATH)

endif

ifeq (,$(PERFCTR_INC_PATH))

ifeq (,$(PERFCTR_ROOT))

	PERFCTR_ROOT := $(PWD)/perfctr-$(VERSION)

endif

	PERFCTR_INC_PATH := $(PERFCTR_ROOT)/usr.lib

	PERFCTR_KINC_PATH := $(PERFCTR_ROOT)/linux/include

else

	PERFCTR_KINC_PATH := $(PERFCTR_INC_PATH)

endif

ifneq (/usr/include,$(PERFCTR_INC_PATH))

CFLAGS += -I$(PERFCTR_INC_PATH) 

endif

ifneq (/usr/include/linux/include,$(PERFCTR_KINC_PATH))

CFLAGS += -I$(PERFCTR_KINC_PATH) 

endif

endif

CFLAGS-2.6.x := -DPERFCTR26

CFLAGS-2.7.x := $(CFLAGS-2.6.x)

CFLAGS += $(CFLAGS-$(VERSION))

MISCHDRS += linux-lock.h mb.h

MISCSRCS +=  $(ARCH_SPEC_EVTS)

PERFCTR_OBJS = $(shell $(AR) t $(PERFCTR_LIB_PATH)/libperfctr.a 2> /dev/null)

ifeq (,$(PERFCTR_OBJS))

$(PERFCTR_LIB_PATH)/libperfctr.a:

ifneq (,${PERFCTR_ROOT})

 ifeq (ppc64,${ARCH})

	$(MAKE) CC='$(CC) $(BITFLAGS)' -C $(PERFCTR_ROOT)

 endif

 ifeq (x86_64,${ARCH})

   ifeq (-m32,${BITFLAGS})

	$(MAKE) CC='$(CC) $(BITFLAGS)' LD_FLAGS="-melf_i386" ARCH="i386" -C $(PERFCTR_ROOT)

   else

	$(MAKE) CC="$(CC)" -C $(PERFCTR_ROOT)

   endif

 else

	$(MAKE) CC="$(CC) -C $(PERFCTR_ROOT)

 endif

else

	@echo '$@ not installed!'; exit 1

endif

	$(MAKE)

endif

#Dynamic linking loader needs correct version of libperfctr

ifeq ($(VERSION),2.7.x)

	SO_ABIVER=6

else

ifeq ($(VERSION),2.6.x)

	i386_ABIVER=5

	x86_64_ABIVER=6

	ppc_ABIVER=5

	SO_ABIVER=$($(ARCH)_ABIVER)

endif

endif

POST_BUILD = cp $(PERFCTR_LIB_PATH)/libperfctr.so .;ln -fs libperfctr.so libperfctr.so.$(SO_ABIVER)

####################################################################

# This section builds libpfm to get at its support for native events

ifneq (/usr,$(PFM_PREFIX))

PWD = $(shell pwd)

ifeq (,$(PFM_LIB_PATH))

ifeq (,$(PFM_ROOT))

	PFM_ROOT := $(PWD)/libpfm-3.y

endif

	PFM_LIB_PATH := $(PFM_ROOT)/lib

	CC_SHR += -Wl,-rpath-link -Wl,$(PFM_LIB_PATH)

endif

ifeq (,$(PFM_INC_PATH))

ifeq (,$(PFM_ROOT))

        PFM_ROOT := $(PWD)/libpfm-3.y

endif

        PFM_INC_PATH := $(PFM_ROOT)/include

endif

ifneq (/usr/include,$(PFM_INC_PATH))

CFLAGS	+= -I$(PFM_INC_PATH) 

endif

endif

CFLAGS	+= -DPERFCTR_PFM_EVENTS

PFM_OBJS=$(shell $(AR) t $(PFM_LIB_PATH)/libpfm.a 2>/dev/null)

PFM_LIBS=-L$(PFM_LIB_PATH) -lpfm

MISCSRCS += papi_libpfm3_events.c 

MISCOBJS += $(PERFCTR_OBJS) $(PFM_OBJS) $(MISCSRCS:.c=.o)

MISCHDRS += papi_libpfm_events.h

SHLIBDEPS = -Bdynamic -L$(PERFCTR_LIB_PATH) -lperfctr $(PFM_LIBS)

ifeq (,$(PFM_OBJS))

$(PFM_LIB_PATH)/libpfm.a:

	$(MAKE) -C $(PFM_ROOT) ARCH="$(ARCH)" CC="$(CC)" lib

	$(MAKE)

endif

####################################################################

include Makefile.inc

config.h:

	@echo 'Please clobber your build and run ./configure. Direct Makefile access has been deprecated.'

$(PERFCTR_OBJS): $(PERFCTR_LIB_PATH)/libperfctr.a

	$(AR) xv $<

$(PFM_OBJS): $(PFM_LIB_PATH)/libpfm.a

	$(AR) xv $<

#perfctr.o: perfctr.c $(HEADERS)

#	$(CC) $(LIBCFLAGS) $(OPTFLAGS) -c perfctr.c -o $@

papi_libpfm3_events.o: papi_libpfm3_events.c $(HEADERS)

	$(CC) $(LIBCFLAGS) $(OPTFLAGS) -c papi_libpfm3_events.c -o $@

native_clean:

	-rm -f $(MISCOBJS) libperfctr.so*

ifneq (,${PERFCTR_ROOT})

	$(MAKE) -C $(PERFCTR_ROOT) clean

endif

ifneq (,${PFM_ROOT})

	$(MAKE) -C $(PFM_ROOT) ARCH="$(ARCH)" clean

endif

native_install: 

	-install -d $(DESTDIR)$(DATADIR)

	-cp -f ./papi_events.csv $(DESTDIR)$(DATADIR)

ifeq ($(ARCH),ppc64)

	cp -Rf ./event_data $(DESTDIR)$(DATADIR)

endif

ifneq (,${PFM_ROOT})

	-$(MAKE) -C $(PFM_ROOT) ARCH="$(ARCH)" CC=$(CC) DESTDIR=$(DESTDIR) PREFIX=$(PREFIX) install_prefix=$(PREFIX) LIBDIR=$(LIBDIR) INCDIR=$(INCDIR) MANDIR=$(MANDIR) install

endif

ifneq (,${PERFCTR_ROOT})

ifeq (-m32,${BITFLAGS})

	$(MAKE) -C $(PERFCTR_ROOT) PREFIX=$(DESTDIR)$(PREFIX) BINDIR=$(DESTDIR)$(BINDIR) LIBDIR=$(DESTDIR)$(LIBDIR) INCLDIR=$(DESTDIR)$(INCDIR) ARCH="i386" install

else

	$(MAKE) -C $(PERFCTR_ROOT) PREFIX=$(DESTDIR)$(PREFIX) BINDIR=$(DESTDIR)$(BINDIR) LIBDIR=$(DESTDIR)$(LIBDIR) INCLDIR=$(DESTDIR)$(INCDIR) install

endif

endif

native_clobber:

ifneq (,${PERFCTR_ROOT})

	$(MAKE) -C $(PERFCTR_ROOT) distclean

endif

ifneq (,${PFM_ROOT})

	 $(MAKE) -C $(PFM_ROOT) ARCH="$(ARCH)" distclean

endif