lpfcxx.in

#!/bin/bash

#
#   Copyright 2021 Huawei Technologies Co., Ltd.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

name=`basename $0`

# define a function to print help
function printhelp()
{
    echo "LPF Compiler Frontend"
    echo "====================="
    echo 
    echo "SYNPOSIS:"
    echo "    $name [-help] [-engine <engine>] <sources> ... <libs> ..."
    echo
    echo "DESCRIPTION"
    echo "This command compiles C++ sources and links them with the LPF library"
    echo
    echo "OPTIONS"
    echo "   -help       Shows this message"
    echo 
    echo "   -show[=quoted]"
    echo "               Command line that will be executed by this frontend."
    echo "               If 'quoted' is given, the printed parameters will be"
    echo "               quoted with single (') quotes."
    echo
    echo "   -compile_info[=quoted]"
    echo "               Prints the generic compilation command, ignoring any"
    echo "               provided source, object, or output files. If 'quoted'"
    echo "               is given, the printed parameters will be quoted with"
    echo "               single (') quotes."
    echo 
    echo "   -link_lib_info[=quoted]"
    echo "               Prints the generic link command for linking libraries,"
    echo "               ignoring any provided source, object, or output files."
    echo "               If 'quoted' is given, the printed parameters will be"
    echo "               quoted with single (') quotes."
    echo 
    echo "   -link_exe_info[=quoted]"
    echo "               Prints the generic link command for linking executables,"
    echo "               ignoring any provided source, object, or output files."
    echo "               If 'quoted' is given, the printed parameters will be"
    echo "               quoted with single (') quotes."
    echo 
    echo "   -engine <engine>"
    echo "               Allow you to choose the engine. Currently supported"
    echo "               are: pthread, mpirma, mpimsg, hybrid, ibverbs"
    echo
    echo "   <sources>"
    echo "               Source files, like .c, .cpp, .C, .cxx"
    echo
    echo "   <lib>"
    echo "               Any C/C++ library. "
    echo "               LPF provides the following option libraries: "
    echo "                  -llpf_hl    Link with the higher-level libraries"
    echo "                  -llpf_debug Use the debug core-interface layer"
    echo "                  -lbsplib    Link with BSPlib API as defined by Hill et al."
    echo "                  -lmcbsp     Link with MulticoreBSP C API"
    echo 

    echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
    @CMAKE_CXX_COMPILER@ --help
}


# parse parameters
doPrinthelp=no
link_exe=yes
link_lib=no
show=
show_link_lib=
show_link_exe=
show_compile=
engine=imp
config=@LPFLIB_CONFIG_NAME@
extra_libs=
debug=no
state=
declare -a other_args
arg_number=0
for arg 
do
    case $arg in
       -help)
            doPrinthelp=yes
            shift
            ;;

       -show)
            show=echo
            shift
            ;;

       -show=quoted)
            show=quote
            shift
            ;;

       -link_lib_info)
            show_link_lib=echo
            shift
            ;;

       -link_lib_info=quoted)
            show_link_lib=quote
            shift
            ;;

       -link_exe_info)
            show_link_exe=echo
            shift
            ;;

       -link_exe_info=quoted)
            show_link_exe=quote
            shift
            ;;

       -compile_info)
            show_compile=echo
            shift
            ;;

       -compile_info=quoted)
            show_compile=quote
            shift
            ;;

       -engine)
            state=engine
            shift
            ;;

       -llpf_hl)
            extra_libs="$extra_libs hl"
            shift
            ;;

       -llpf_debug)
            debug=yes
            shift
            ;;

       -lbsplib)
            extra_libs="$extra_libs bsplib"
            shift
            ;;

       -lmcbsp)
            extra_libs="$extra_libs mcbsp"
            shift
            ;;

        -c)
            link_lib=no
            link_exe=no
            shift
            ;;

       -shared)
            link_lib=yes
            link_exe=no
            shift
            ;;

       *)   case $state in

                engine)
                    engine=$arg
                    state=
                    shift
                    ;;

                *)  other_args[$arg_number]="$arg"
                    arg_number=$((arg_number + 1))
                    shift
                    ;;

            esac
            ;;
     esac
done

if [ $doPrinthelp = yes ]; then
  printhelp
  exit 0
fi



compiler="@CMAKE_CXX_COMPILER@"

cflags=( "-I@INSTALL_HEADERS@" @LPF_CORE_COMPILE_FLAGS@ )
lib_ldflags=( @LPF_CORE_LIB_LINK_FLAGS@ -shared )
exe_ldflags=( @LPF_CORE_LIB_LINK_FLAGS@ @LPF_CORE_EXE_LINK_FLAGS@ )

mcbsp_cflags=( "-I@INSTALL_HEADERS@/bsp" "-DLPF_USE_MCBSP_API=1" )
bsplib_cflags=( "-I@INSTALL_HEADERS@/bsp" )
defs=()
stdlibs=()

if [ x$debug = xyes ]; then
    stdlibs=( "-llpf_debug" "@LIB_POSIX_THREADS@" "${stdlibs[@]}" )
    cflags=( "-I@INSTALL_HEADERS@/lpf/debug" "${cflags[@]}" )
fi    

for lib in $extra_libs
do
  case $lib in 
       hl)  if [ x$debug = xyes ]; then
                stdlibs=( "-llpf_hl_debug" "${stdlibs[@]}" )
            else
                stdlibs=( "-llpf_hl" "${stdlibs[@]}" )
            fi
            ;;

       bsplib)
            stdlibs=( "-lbsplib" "@LIB_POSIX_THREADS@" "-llpf_hl" "${stdlibs[@]}" )
            cflags=( "${cflags[@]}" ${bsplib_cflags[@]} )
            defs=()
            ;;

       mcbsp)
            stdlibs=( "-lbsplib" "@LIB_POSIX_THREADS@" "-llpf_hl" "${stdlibs[@]}" )
            cflags=( "${cflags[@]}" ${mcbsp_cflags[@]} )
            defs=()
            ;;
  esac
done

case $engine in
  mpimsg|mpirma|ibverbs) stdlibs=( @MPI_CXX_LIB_CMDLINE@ ${stdlibs[@]} ) ;;
  *)                     ;;
esac

stdlibs=( "${stdlibs[@]}" "-llpf_core_univ_${engine}_${config}" )

compile_flags=( "${cflags[@]}" "${defs[@]}")
link_lib_flags=( "-L@INSTALL_LIB@" "${stdlibs[@]}" "${lib_ldflags[@]}" )
link_exe_flags=( "-L@INSTALL_LIB@" "${stdlibs[@]}" "${exe_ldflags[@]}" )

function quote() {
  for arg
  do
      echo -ne "'${arg}' "
  done
  echo
}

if [ x"$show_compile" != "x" ]; then
    $show_compile $compiler "${other_args[@]}" "${compile_flags[@]}" 
    exit 0
fi

if [ x"$show_link_exe" != "x" ]; then
    $show_link_exe $compiler "${other_args[@]}" "${link_exe_flags[@]}" 
    exit 0
fi

if [ x"$show_link_lib" != "x" ]; then
    $show_link_lib $compiler "${other_args[@]}" "${link_lib_flags[@]}" 
    exit 0
fi

if [ $link_exe = yes ]; then
    $show $compiler "${other_args[@]}" "${compile_flags[@]}" "${link_exe_flags[@]}" 
    exitstatus=$?
elif [ $link_lib = yes ]; then
    $show $compiler "${other_args[@]}" "${compile_flags[@]}" "${link_lib_flags[@]}" 
    exitstatus=$?
else
    $show $compiler -c "${other_args[@]}" "${compile_flags[@]}" 
    exitstatus=$?
fi        
exit $exitstatus