autogen.sh

#! /usr/bin/env bash

##########################################
## Generic Utility Functions
##########################################

echo_n() {
    # "echo_n" isn't portable, must portably implement with printf
    printf "%s" "$*"
}

check_autotools_version()
{
    tool=$1
    req_ver=$2
    curr_ver=$($tool --version | head -1 | cut -f4 -d' ' | xargs echo -n)
    if [ "$curr_ver" -ge "$req_ver" ]; then
        echo ""
        echo "$tool version mismatch ($req_ver) required"
        exit
    fi
}

##########################################
## Input Initialization
##########################################

# default MPI path
# drop any error reported by which command.
tmp_mpidir=`which mpicc 2>/dev/null`
mpidir=`echo $tmp_mpidir| sed -e 's_/[^/]*$__g'`/../
mpih_path=

# Detect Cray MPI 
if [ "$mpidir" = "/../" ] || [ -d /opt/cray/ ] ; then
    if [ ! -z "$CRAY_MPICH_DIR" ] ; then
        mpidir=$CRAY_MPICH_DIR
    elif [ ! -z "$CRAY_MPICH2_DIR" ] ; then
        mpidir=$CRAY_MPICH2_DIR
    fi
fi

# user specified MPI path
for arg in "$@" ; do
    case $arg in
        -with-mpi=*|--with-mpi=*)
            mpidir=`echo "A$arg" | sed -e 's/.*=//'`
        ;;
        --help|-h|-help)
        cat <<EOF
   ./autogen.sh [ --with-mpi=/path/to/mpi/installation ]
EOF
        exit
        ;;

    esac
done

##########################################
## Autotools Version Check
##########################################

echo_n "Checking for autoconf version..."
check_autotools_version autoconf 2.69
echo "done"

echo_n "Checking for automake version..."
check_autotools_version automake 1.15
echo "done"

echo_n "Checking for libtool version..."
check_autotools_version libtool 2.4.6
echo "done"
echo ""

##########################################
## MPI Wrapper Generation
##########################################

# - output
wrap_file=src/user/mpi_wrap.c

# - MPI
echo_n "Checking header file mpi.h at $mpidir ..."
mpih_file=$mpidir/include/mpi.h
if [ ! -f $mpih_file ];then
    echo "not found (error)"
    exit 1
else
    echo "done"
    mpih_path=`cd $(dirname $mpih_file) ; pwd ; cd $OLDPWD`/mpi.h
    echo "Found $mpih_path"
fi

echo_n "Generating MPI wrappers... "
./maint/buildiface --infile $mpih_path --outfile $wrap_file
echo "done"

# - MPI IO
echo ""
echo_n "Checking header file mpio.h at $mpidir ..."
mpioh_file=$mpidir/include/mpio.h
if [ ! -f $mpioh_file ];then
    echo "not found"
else
    echo "done"
    mpioh_path=`cd $(dirname $mpioh_file) ; pwd ; cd $OLDPWD`/mpio.h
    echo "Found $mpioh_path"

    # add IO functions only when MPI supports it
    echo_n "Generating MPI IO wrappers... "
    ./maint/buildiface --infile $mpioh_path --outfile $wrap_file --append
    echo "done"
fi


##########################################
## Others
##########################################

# It is very easy to not clone recursively.
# This will fix this issue if it exists and is otherwise innocuous.
# Conditionalizing it on the presence of .git means it will not
# run when the user did not clone the code.
if [ -d ".git" ] ; then
    if [ ! -f  "src/hwloc/autogen.sh" ] || [ ! -f "src/openpa/autogen.sh" ] ; then
        echo "=== Attempting to initialize missing submodules ==="
        (git submodule init && git submodule update) || exit 1
    fi
fi

subdirs=test

# copy confdb
echo ""
for subdir in $subdirs ; do
    subconfdb_dir=$subdir/confdb
    echo_n "Syncronizing confdb -> $subconfdb_dir... "
    if [ -x $subconfdb_dir ] ; then
        rm -rf "$subconfdb_dir"
    fi
    cp -pPR confdb "$subconfdb_dir"
    echo "done"
done

# apply patch for submodules
echo ""
echo  "=== Applying patches ==="
( maint/apply_patch.bash )
echo "done"

# autogen for submodules
extdirs="src/hwloc src/openpa"
for extdir in $extdirs ; do
    if [ -d "$extdir" -o -L "$extdir" ] ; then
        echo ""
        echo "=== Running third-party initialization in $extdir ==="
        (cd $extdir && ./autogen.sh) || exit 1
        echo "done"
    fi
done

# generate configures
for subdir in . $subdirs ; do
    echo ""
    echo "=== Generating configure in $subdir ==="
    (cd $subdir && autoreconf -vif) || exit 1
    echo "done"
done