misc/yosys-config.in

   1 #!/bin/bash
   2
   3 help() {
   4         {
   5                 echo ""
   6                 echo "Usage: $0 [--exec] [--prefix pf] args.."
   7                 echo "       $0 --build modname.so cppsources.."
   8                 echo ""
   9                 echo "Replacement args:"
  10                 echo "    --cxx         @CXX@"
  11                 echo "    --cxxflags    $( echo '@CXXFLAGS@' | fmt -w60 | sed ':a;N;$!ba;s/\n/ \\\n                      /g' )"
  12                 echo "    --ldflags     @LDFLAGS@"
  13                 echo "    --ldlibs      @LDLIBS@"
  14                 echo "    --bindir      @BINDIR@"
  15                 echo "    --datdir      @DATDIR@"
  16                 echo ""
  17                 echo "All other args are passed through as they are."
  18                 echo ""
  19                 echo "Use --exec to call a command instead of generating output. Example usage:"
  20                 echo ""
  21                 echo "  $0 --exec --cxx --cxxflags --ldflags -o plugin.so -shared plugin.cc --ldlibs"
  22                 echo ""
  23                 echo "The above command can be abbreviated as:"
  24                 echo ""
  25                 echo "  $0 --build plugin.so plugin.cc"
  26                 echo ""
  27                 echo "Use --prefix to change the prefix for the special args from '--' to"
  28                 echo "something else. Example:"
  29                 echo ""
  30                 echo "  $0 --prefix @ bindir: @bindir"
  31                 echo ""
  32                 echo "The args --bindir and --datdir can be directly followed by a slash and"
  33                 echo "additional text. Example:"
  34                 echo ""
  35                 echo "  $0 --datdir/simlib.v"
  36                 echo ""
  37         } >&2
  38         exit 1
  39 }
  40
  41 if [ $# -eq 0 ]; then
  42         help
  43 fi
  44
  45 if [ "$1" == "--build" ]; then
  46         modname="$2"; shift 2
  47         set -- --exec --cxx --cxxflags --ldflags -o "$modname" -shared "$@" --ldlibs
  48 fi
  49
  50 prefix="--"
  51 get_prefix=false
  52 exec_mode=false
  53 declare -a tokens=()
  54
  55 for opt; do
  56         if $get_prefix; then
  57                 prefix="$opt"
  58                 get_prefix=false
  59                 continue
  60         fi
  61         case "$opt" in
  62                 "$prefix"cxx)
  63                         tokens=( "${tokens[@]}"  @CXX@       ) ;;
  64                 "$prefix"cxxflags)
  65                         tokens=( "${tokens[@]}"  @CXXFLAGS@  ) ;;
  66                 "$prefix"ldflags)
  67                         tokens=( "${tokens[@]}"  @LDFLAGS@   ) ;;
  68                 "$prefix"ldlibs)
  69                         tokens=( "${tokens[@]}"  @LDLIBS@    ) ;;
  70                 "$prefix"bindir)
  71                         tokens=( "${tokens[@]}" '@BINDIR@'   ) ;;
  72                 "$prefix"datdir)
  73                         tokens=( "${tokens[@]}" '@DATDIR@'   ) ;;
  74                 "$prefix"bindir/*)
  75                         tokens=( "${tokens[@]}" '@BINDIR@'"${opt#${prefix}bindir}" ) ;;
  76                 "$prefix"datdir/*)
  77                         tokens=( "${tokens[@]}" '@DATDIR@'"${opt#${prefix}datdir}" ) ;;
  78                 --help|-\?|-h)
  79                         if [ ${#tokens[@]} -eq 0 ]; then
  80                                 help
  81                         else
  82                                 tokens=( "${tokens[@]}" "$opt" )
  83                         fi ;;
  84                 --exec)
  85                         if [ ${#tokens[@]} -eq 0 ]; then
  86                                 exec_mode=true
  87                         else
  88                                 tokens=( "${tokens[@]}" "$opt" )
  89                         fi ;;
  90                 --prefix)
  91                         if [ ${#tokens[@]} -eq 0 ]; then
  92                                 get_prefix=true
  93                         else
  94                                 tokens=( "${tokens[@]}" "$opt" )
  95                         fi ;;
  96                 *)
  97                         tokens=( "${tokens[@]}" "$opt" )
  98         esac
  99 done
 100
 101 if $exec_mode; then
 102         exec "${tokens[@]}"
 103 fi
 104
 105 echo "${tokens[@]}"
 106 exit 0
 107