# $Id: build_rules.mk,v 1.24 2011/03/16 18:36:56 theurich Exp $
#
# Linux.pgigcc.default
#

############################################################
# Default compiler setting.
#
ESMF_F90DEFAULT         = pgf90
ESMF_CXXDEFAULT         = g++

############################################################
# Default MPI setting.
#
ifeq ($(ESMF_COMM),default)
export ESMF_COMM := mpiuni
endif

############################################################
# MPI dependent settings.
#
ifeq ($(ESMF_COMM),mpiuni)
# MPI stub library -----------------------------------------
ESMF_F90COMPILECPPFLAGS+= -DESMF_MPIUNI
ESMF_CXXCOMPILECPPFLAGS+= -DESMF_MPIUNI
ESMF_CXXCOMPILEPATHS   += -I$(ESMF_DIR)/src/Infrastructure/stubs/mpiuni
ESMF_MPIRUNDEFAULT      = $(ESMF_DIR)/src/Infrastructure/stubs/mpiuni/mpirun
else
ifeq ($(ESMF_COMM),mpich)
# Mpich ----------------------------------------------------
ESMF_F90COMPILECPPFLAGS+= -DESMF_MPICH
ESMF_CXXCOMPILECPPFLAGS+= -DESMF_MPICH
ESMF_F90DEFAULT         = mpif90
ESMF_F90LINKLIBS       += -lpmpich++ -lmpich
ESMF_CXXDEFAULT         = mpiCC
ESMF_MPIRUNDEFAULT      = mpirun $(ESMF_MPILAUNCHOPTIONS)
else
ifeq ($(ESMF_COMM),mpich2)
# Mpich2 ---------------------------------------------------
ESMF_F90DEFAULT         = mpif90
ESMF_CXXDEFAULT         = mpicxx
ESMF_MPIRUNDEFAULT      = mpirun $(ESMF_MPILAUNCHOPTIONS)
ESMF_MPIMPMDRUNDEFAULT  = mpiexec $(ESMF_MPILAUNCHOPTIONS)
else
ifeq ($(ESMF_COMM),lam)
# LAM (assumed to be built with pgf90) ---------------------
ESMF_CXXCOMPILECPPFLAGS+= -DESMF_NO_SIGUSR2
ESMF_F90DEFAULT         = mpif77
ESMF_F90LINKLIBS       += -llammpi++
ESMF_CXXDEFAULT         = mpic++ -Wall
ESMF_MPIRUNDEFAULT      = mpirun $(ESMF_MPILAUNCHOPTIONS)
ESMF_MPIMPMDRUNDEFAULT  = mpiexec $(ESMF_MPILAUNCHOPTIONS)
else
ifeq ($(ESMF_COMM),openmpi)
# OpenMPI --------------------------------------------------
ESMF_CXXCOMPILECPPFLAGS+= -DESMF_NO_SIGUSR2
ESMF_F90DEFAULT         = mpif90
ESMF_CXXDEFAULT         = mpicxx
ESMF_CXXLINKLIBS       += -lmpi_f77
ESMF_MPIRUNDEFAULT      = mpirun $(ESMF_MPILAUNCHOPTIONS)
ESMF_MPIMPMDRUNDEFAULT  = mpiexec $(ESMF_MPILAUNCHOPTIONS)
else
ifeq ($(ESMF_COMM),user)
# User specified flags -------------------------------------
else
$(error Invalid ESMF_COMM setting: $(ESMF_COMM))
endif
endif
endif
endif
endif
endif

############################################################
# Print compiler version string
#
ESMF_F90COMPILER_VERSION    = $(ESMF_DIR)/scripts/version.pgf90 $(ESMF_F90COMPILER)
ESMF_CXXCOMPILER_VERSION    = ${ESMF_CXXCOMPILER} -v --version

############################################################
# Determine PGI version
#
ESMF_PGIVERSION_MAJOR = $(shell $(ESMF_DIR)/scripts/version.pgi 1 $(ESMF_F90COMPILER_VERSION))
ESMF_F90COMPILECPPFLAGS += -DESMF_PGIVERSION_MAJOR=$(ESMF_PGIVERSION_MAJOR)

ESMF_PGIVERSION_MINOR = $(shell $(ESMF_DIR)/scripts/version.pgi 2 $(ESMF_F90COMPILER_VERSION))
ESMF_F90COMPILECPPFLAGS += -DESMF_PGIVERSION_MINOR=$(ESMF_PGIVERSION_MINOR)

ESMF_PGIVERSION_PATCH = $(shell $(ESMF_DIR)/scripts/version.pgi 3 $(ESMF_F90COMPILER_VERSION))
ESMF_F90COMPILECPPFLAGS += -DESMF_PGIVERSION_PATCH=$(ESMF_PGIVERSION_PATCH)

############################################################
# Construct the ABISTRING
#
ifeq ($(ESMF_MACHINE),x86_64)
ifeq ($(ESMF_ABI),32)
ESMF_ABISTRING := $(ESMF_MACHINE)_32
endif
ifeq ($(ESMF_ABI),64)
ESMF_ABISTRING := x86_64_small
endif
endif

############################################################
# Set memory model compiler flags according to ABISTRING
#
ifeq ($(ESMF_ABISTRING),x86_64_32)
ESMF_CXXCOMPILEOPTS       += -m32
ESMF_CXXLINKOPTS          += -m32
ESMF_F90COMPILEOPTS       +=
ESMF_F90LINKOPTS          +=
endif
ifeq ($(ESMF_ABISTRING),x86_64_small)
ESMF_CXXCOMPILEOPTS       += -m64 -mcmodel=small
ESMF_CXXLINKOPTS          += -m64 -mcmodel=small
ESMF_F90COMPILEOPTS       += -mcmodel=small
ESMF_F90LINKOPTS          += -mcmodel=small
endif
ifeq ($(ESMF_ABISTRING),x86_64_medium)
ESMF_CXXCOMPILEOPTS       += -m64 -mcmodel=medium
ESMF_CXXLINKOPTS          += -m64 -mcmodel=medium
ESMF_F90COMPILEOPTS       += -mcmodel=medium
ESMF_F90LINKOPTS          += -mcmodel=medium
endif

############################################################
# OpenMP compiler and linker flags
#
ESMF_OPENMP_F90COMPILEOPTS += -mp
ESMF_OPENMP_CXXCOMPILEOPTS += -fopenmp
ESMF_OPENMP_F90LINKOPTS    += -mp
ESMF_OPENMP_CXXLINKOPTS    += -fopenmp

############################################################
# Link against GCC's stdc++ library (because g++ is used)
#
ESMF_F90LINKPATHS += -L$(dir $(shell gcc -print-file-name=libstdc++.so))
ESMF_F90LINKLIBS  += -lstdc++

############################################################
# Need this until the file convention is fixed (then remove these two lines)
#
ESMF_F90COMPILEFREENOCPP = -Mfreeform
ESMF_F90COMPILEFIXCPP    = -Mpreprocess -Mnofreeform

############################################################
# Set rpath syntax
#
ESMF_F90RPATHPREFIX         = -Wl,-rpath,
ESMF_CXXRPATHPREFIX         = -Wl,-rpath,

############################################################
# Determine where pgf90's libraries are located
#
ESMF_CXXLINKPATHS += -L$(shell $(ESMF_DIR)/scripts/libpath.pgf90 $(ESMF_F90COMPILER))
ESMF_CXXLINKRPATHS += $(ESMF_CXXRPATHPREFIX)$(shell $(ESMF_DIR)/scripts/libpath.pgf90 $(ESMF_F90COMPILER))

############################################################
# Link against libesmf.a using the F90 linker front-end
#
ESMF_F90LINKLIBS += -lrt -lC -lc -ldl

############################################################
# Link against libesmf.a using the C++ linker front-end
#
ESMF_CXXLINKLIBS += -lrt $(shell $(ESMF_DIR)/scripts/libs.pgf90 $(ESMF_F90COMPILER)) -ldl

############################################################
# Shared library options
#
ESMF_SL_LIBOPTS  += -shared

############################################################
# Shared object options
#
ESMF_SO_F90COMPILEOPTS  = -fPIC
ESMF_SO_F90LINKOPTS     = -shared
ESMF_SO_F90LINKOPTSEXE  = -Wl,-export-dynamic
ESMF_SO_CXXCOMPILEOPTS  = -fPIC
ESMF_SO_CXXLINKOPTS     = -shared
ESMF_SO_CXXLINKOPTSEXE  = -Wl,-export-dynamic