DESCR = "Linux with perfmon2 kernel support and library"

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

MISCHDRS += linux-lock.h mb.h papi_libpfm_events.h
MISCSRCS += papi_libpfm3_events.c 
SHLIBDEPS = -Bdynamic -L$(PFM_LIB_PATH) -lpfm
PFM_OBJS=$(shell $(AR) t $(PFM_LIB_PATH)/libpfm.a 2>/dev/null)
MISCOBJS = $(PFM_OBJS) $(MISCSRCS:.c=.o)

ifeq (,$(PFM_OBJS))
$(PFM_LIB_PATH)/libpfm.a:
ifneq (,${PFM_ROOT})
	$(MAKE) -C $(PFM_ROOT) ARCH="$(ARCH)" CC="$(CC) $(BITFLAGS)" CONFIG_PFMLIB_OLD_PFMV2="$(PFM_OLD_PFMV2)" lib
else
	@echo '$@ not installed!'; exit 1
endif
	$(MAKE)
endif

include Makefile.inc

config.h:
	@echo 'Please clobber your build and run ./configure."

$(PFM_OBJS): $(PFM_LIB_PATH)/libpfm.a
	$(AR) xv $<

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

native_clean:
	-rm -f $(MISCOBJS)
ifneq (,${PFM_ROOT})
	$(MAKE) -C $(PFM_ROOT) ARCH="$(ARCH)" clean
endif

native_install:
ifneq (,${PFM_ROOT})
	-$(MAKE) -C $(PFM_ROOT) ARCH="$(ARCH)" CONFIG_PFMLIB_OLD_PFMV2="$(PFM_OLD_PFMV2)" DESTDIR=$(DESTDIR) PREFIX=$(PREFIX) install_prefix=$(PREFIX) LIBDIR=$(LIBDIR) INCDIR=$(INCDIR) MANDIR=$(MANDIR) install
endif
	-install -d $(DESTDIR)$(LIBDIR)
ifneq (,$(findstring shared,$(LIBS)))
	cp -p $(SHLIB) $(DESTDIR)$(LIBDIR)/libpapi.so.$(PAPIVER).$(PAPIREV).$(PAPIAGE).$(PAPIINC)
	cd $(DESTDIR)$(LIBDIR); ln -sf libpapi.so.$(PAPIVER).$(PAPIREV).$(PAPIAGE).$(PAPIINC) libpapi.so.$(PAPIVER)
	cd $(DESTDIR)$(LIBDIR); ln -sf libpapi.so.$(PAPIVER).$(PAPIREV).$(PAPIAGE).$(PAPIINC) libpapi.so
endif
	-install -d $(DESTDIR)$(DATADIR)
	cp -f ./papi_events.csv $(DESTDIR)$(DATADIR)

native_clobber:
ifneq (,${PFM_ROOT})
	 $(MAKE) -C $(PFM_ROOT) ARCH="$(ARCH)" distclean
endif