yosys-config.in

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