#!/usr/bin/env modbuild

pbuild::pre_configure() {
        # It seems 'unset F90' is here since 2015-10-14
        # Probably some old gcc or mpich versions had problems with it
        # To review for gcc, but I think this should be not set anymore
        #
        # The versions compiled with 'unset F90' on Merlin7 are:
        #   mpich/3.3.2 unstable   Compiler     Alps         gcc/8.4.0
        #   mpich/4.2.3 stable     Compiler     Alps         gcc/8.5.0
        #   mpich/4.2.3 stable     Compiler     Alps         gcc/12.3.0
        #   mpich/4.3.1 stable     Compiler     Alps         gcc/8.5.0
        #   mpich/4.3.1 stable     Compiler     Alps         gcc/12.3.0
        #
        # Finally, compiling with 'unset F90' crashes IntelCC based compilations
        # which require it
        #
        # Commented out from now on:
        #   unset F90

        pbuild::add_configure_args "--enable-shared"
        pbuild::add_configure_args "--enable-static"

        if [[ -v CUDA_VERSION ]] || pbuild::use_flag cuda; then
                std::info "Enabling CUDA ${CUDA_VERSION}."
                pbuild::add_configure_args "--with-cuda=${CUDA_HOME}"
                pbuild::add_configure_args "--with-cuda-lib=${CUDA_HOME}/lib64/stubs"
        fi

        if [[ -v HWLOC_VERSION ]]; then
                unset HWLOC_VERSION
		std::info "Enabling external hwloc ${HWLOC_PREFIX}."
		pbuild::add_configure_args "--with-hwloc=${HWLOC_PREFIX}"
        else
       		pbuild::add_configure_args "--with-hwloc=embedded"
        fi

        if [[ -v PMIX_VERSION ]]; then
		std::info "Enabling PMIX ${PMIX_VERSION}."
                unset PMIX_VERSION
		pbuild::add_configure_args "--with-pmix=${PMIX_PREFIX}"
        	pbuild::add_configure_args "--with-pmi=pmix"
        fi

	if pbuild::use_flag merlin7 && [[ ! -v LIBFABRIC_VERSION ]]; then
	      if pkg-config --exists libfabric; then
	      	     std::info "Get LIBFABRIC_VERSION via pkg-config"
	      	     LIBFABRIC_PREFIX=$(pkg-config --variable=prefix libfabric)
	             LIBFABRIC_VERSION="$(LIBFABRIC_PREFIX##*/)"
	      fi
	fi
	if [[ -v LIBFABRIC_VERSION ]]; then
		std::info "Enabling libfabric ${LIBFABRIC_VERSION}."
                if (( V_MAJOR < 4 )); then
                	pbuild::add_configure_args "--with-ofi=${LIBFABRIC_PREFIX}"
                fi
                pbuild::add_configure_args "--with-libfabric=${LIBFABRIC_PREFIX}"
        fi 
	
	if [[ -v UCX_VERSION ]]; then
		std::info "Enabling UCX ${UCX_VERSION}."
		pbuild::add_configure_args "--with-ucx=${UCX_PREFIX}"
	fi

        if [[ -v INTEL_VERSION ]] || [[ -v INTELCC_VERSION ]]; then
                # Commented out, since this comes with the Intel/IntelCC modules
                #
                #   pbuild::add_configure_args "CC=$(which icc)"
                #   pbuild::add_configure_args "CXX=$(which icpc)"
                #   pbuild::add_configure_args "FC=$(which ifort)"
                #   pbuild::add_configure_args "F90=$(which ifort)"
                #   pbuild::add_configure_args "F77=$(which ifort)"
                #   pbuild::add_configure_args "LDFLAGS=-Wc,-static-intel,-O0"
                #
                # In general, any extra configure args should go to config.yaml
        fi

        if pbuild::use_flag slurm || \
		pbuild::use_flag merlin6 || \
		pbuild::use_flag merlin7; then
		std::info "Enabling SLURM."
		pbuild::add_configure_args "--with-slurm"
	fi
}

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