# This file adds the functions to build the CLooG library

# Copyright 2009 Yann E. MORIN

# Licensed under the GPL v2. See COPYING in the root of this package

do_cloog_get() { :; }

do_cloog_extract() { :; }

do_cloog_for_build() { :; }

do_cloog_for_host() { :; }

cloog_basename() {

    printf "cloog"

    if [ "${CT_PPL}" = "y" ]; then

        printf -- "-ppl"

    fi

}

cloog_basename_version() {

    cloog_basename

    printf -- "-${CT_CLOOG_VERSION}"

}

# Overide functions depending on configuration

if [ "${CT_CLOOG}" = "y" ]; then

# Download CLooG

do_cloog_get() {

    CT_GetFile "$(cloog_basename_version)"          \

        http://www.bastoul.net/cloog/pages/download \

        ftp://gcc.gnu.org/pub/gcc/infrastructure

}

# Extract CLooG

do_cloog_extract() {

    local _t

    # Version 0.15.3 has a dirname 'cloog-ppl' (with no version in it!)

    # while versions 0.15.4 onward do have the version in the dirname.

    # But, because the infrastructure properly creates the extracted

    # directories (with tar's --strip-components), we can live safely...

    CT_Extract "$(cloog_basename_version)"

    CT_Patch "$(cloog_basename)" "${CT_CLOOG_VERSION}"

    # Help the autostuff in case it thinks there are things to regenerate...

    CT_DoExecLog DEBUG mkdir -p "${CT_SRC_DIR}/$(cloog_basename_version)/m4"

    if [ "${CT_CLOOG_NEEDS_AUTORECONF}" = "y" ]; then

        CT_Pushd "${CT_SRC_DIR}/$(cloog_basename_version)"

        CT_DoExecLog CFG ./autogen.sh

        CT_Popd

    fi

}

# Build CLooG for running on build

# - always build statically

# - we do not have build-specific CFLAGS

# - install in build-tools prefix

do_cloog_for_build() {

    local -a cloog_opts

    case "${CT_TOOLCHAIN_TYPE}" in

        native|cross)   return 0;;

    esac

    CT_DoStep INFO "Installing CLooG for build"

    CT_mkdir_pushd "${CT_BUILD_DIR}/build-cloog-build-${CT_BUILD}"

    cloog_opts+=( "host=${CT_BUILD}" )

    cloog_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )

    cloog_opts+=( "cflags=${CT_CFLAGS_FOR_BUILD}" )

    cloog_opts+=( "ldflags=${CT_LDFLAGS_FOR_BUILD}" )

    do_cloog_backend "${cloog_opts[@]}"

    CT_Popd

    CT_EndStep

}

# Build CLooG for running on host

do_cloog_for_host() {

    local -a cloog_opts

    CT_DoStep INFO "Installing CLooG for host"

    CT_mkdir_pushd "${CT_BUILD_DIR}/build-cloog-host-${CT_HOST}"

    cloog_opts+=( "host=${CT_HOST}" )

    cloog_opts+=( "prefix=${CT_HOST_COMPLIBS_DIR}" )

    cloog_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )

    cloog_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )

    do_cloog_backend "${cloog_opts[@]}"

    CT_Popd

    CT_EndStep

}

# Build CLooG

#     Parameter     : description               : type      : default

#     host          : machine to run on         : tuple     : (none)

#     prefix        : prefix to install into    : dir       : (none)

#     cflags        : cflags to use             : string    : (empty)

#     ldflags       : ldflags to use            : string    : (empty)

do_cloog_backend() {

    local host

    local prefix

    local cflags

    local ldflags

    local cloog_src_dir="${CT_SRC_DIR}/$(cloog_basename_version)"

    local arg

    local -a cloog_opts

    local -a cloog_targets

    local -a cloog_install_targets

    for arg in "$@"; do

        eval "${arg// /\\ }"

    done

    if [ "${CT_CLOOG_0_18_or_later}" = y ]; then

            cloog_opts+=( --with-gmp=system --with-gmp-prefix="${prefix}" )

            cloog_opts+=( --with-isl=system --with-isl-prefix="${prefix}" )

            cloog_opts+=( --without-osl )

            cloog_targets=( all )

            cloog_install_targets=( install )

    else

            cloog_opts+=( --with-gmp="${prefix}" )

            cloog_opts+=( --with-ppl="${prefix}" )

            cloog_targets=( libcloog.la )

            cloog_install_targets=( install-libLTLIBRARIES install-pkgincludeHEADERS )

    fi

    CT_DoLog EXTRA "Configuring CLooG"

    CT_DoExecLog CFG                            \

    CFLAGS="${cflags}"                          \

    LDFLAGS="${ldflags}"                        \

    LIBS="-lm"                                  \

    "${cloog_src_dir}/configure"                \

        --build=${CT_BUILD}                     \

        --host=${host}                          \

        --prefix="${prefix}"                    \

        --with-bits=gmp                         \

        --with-host-libstdcxx='-lstdc++'        \

        --disable-shared                        \

        --enable-static                         \

        "${cloog_opts[@]}"

    CT_DoLog EXTRA "Building CLooG"

    CT_DoExecLog ALL make ${JOBSFLAGS} "${cloog_targets[@]}"

    if [ "${CT_COMPLIBS_CHECK}" = "y" ]; then

        CT_DoLog EXTRA "Checking CLooG"

        CT_DoExecLog ALL make ${JOBSFLAGS} -s check

    fi

    CT_DoLog EXTRA "Installing CLooG"

    CT_DoExecLog ALL make "${cloog_install_targets[@]}"

}

fi # CT_CLOOG