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      1 #!/bin/sh
      2 # mmap-win32 configure script
      3 #
      4 # Parts copied from FFmpeg's configure
      5 #
      6 
      7 set_all(){
      8     value=$1
      9     shift
     10     for var in $*; do
     11         eval $var=$value
     12     done
     13 }
     14 
     15 enable(){
     16     set_all yes $*
     17 }
     18 
     19 disable(){
     20     set_all no $*
     21 }
     22 
     23 enabled(){
     24     eval test "x\$$1" = "xyes"
     25 }
     26 
     27 disabled(){
     28     eval test "x\$$1" = "xno"
     29 }
     30 
     31 show_help(){
     32   echo "Usage: configure [options]"
     33   echo "Options: [defaults in brackets after descriptions]"
     34   echo "All \"enable\" options have \"disable\" counterparts"
     35   echo
     36   echo "  --help                    print this message"
     37   echo "  --prefix=PREFIX           install in PREFIX [$PREFIX]"
     38   echo "  --libdir=DIR              install libs in DIR [$PREFIX/lib]"
     39   echo "  --incdir=DIR              install includes in DIR [$PREFIX/include]"
     40   echo "  --enable-static           build static libraries [yes]"
     41   echo "  --enable-msvc             create msvc-compatible import lib [auto]"
     42   echo
     43   echo "  --cc=CC                   use C compiler CC [$cc_default]"
     44   echo "  --cross-prefix=PREFIX     use PREFIX for compilation tools [$cross_prefix]"
     45   exit 1
     46 }
     47 
     48 die_unknown(){
     49     echo "Unknown option \"$1\"."
     50     echo "See $0 --help for available options."
     51     exit 1
     52 }
     53 
     54 PREFIX="/mingw"
     55 libdir="${PREFIX}/lib"
     56 incdir="${PREFIX}/include/sys"
     57 ar="ar"
     58 cc_default="gcc"
     59 ranlib="ranlib"
     60 strip="strip"
     61 
     62 DEFAULT="msvc
     63 "
     64 
     65 DEFAULT_YES="static
     66     stripping
     67 "
     68 
     69 CMDLINE_SELECT="$DEFAULT
     70     $DEFAULT_NO
     71     $DEFAULT_YES
     72 "
     73 
     74 enable  $DEFAULT_YES
     75 disable $DEFAULT_NO
     76 
     77 for opt do
     78     optval="${opt#*=}"
     79     case "$opt" in
     80     --help)
     81         show_help
     82     ;;
     83     --prefix=*)
     84         PREFIX="$optval"
     85     ;;
     86     --libdir=*)
     87         libdir="$optval"
     88     ;;
     89     --incdir=*)
     90         incdir="$optval"
     91     ;;
     92     --cc=*)
     93         cc="$optval"
     94     ;;
     95     --cross-prefix=*)
     96         cross_prefix="$optval"
     97     ;;
     98     --enable-?*|--disable-?*)
     99         eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
    100         echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
    101         $action $option
    102     ;;
    103     *)
    104         die_unknown $opt
    105     ;;
    106     esac
    107 done
    108 
    109 ar="${cross_prefix}${ar}"
    110 cc_default="${cross_prefix}${cc_default}"
    111 ranlib="${cross_prefix}${ranlib}"
    112 strip="${cross_prefix}${strip}"
    113 
    114 if ! test -z $cc; then
    115     cc_default="${cc}"
    116 fi
    117 cc="${cc_default}"
    118 
    119 disabled static && {
    120     echo "At least one library type must be set.";
    121     exit 1;
    122 }
    123 
    124 if enabled msvc; then
    125     lib /? > /dev/null 2>&1 /dev/null || {
    126         echo "MSVC's lib command not found."
    127         echo "Make sure MSVC is installed and its bin folder is in your \$PATH."
    128         exit 1
    129     }
    130 fi
    131 
    132 if ! enabled stripping; then
    133     strip="echo ignoring strip"
    134 fi
    135 
    136 enabled msvc && libcmd="lib" || libcmd="echo ignoring lib"
    137 
    138 echo "# Automatically generated by configure" > config.mak
    139 echo "PREFIX=$PREFIX" >> config.mak
    140 echo "libdir=$libdir" >> config.mak
    141 echo "incdir=$incdir" >> config.mak
    142 echo "AR=$ar" >> config.mak
    143 echo "CC=$cc" >> config.mak
    144 echo "RANLIB=$ranlib" >> config.mak
    145 echo "STRIP=$strip" >> config.mak
    146 echo "BUILD_STATIC=$static" >> config.mak
    147 echo "BUILD_MSVC=$msvc" >> config.mak
    148 echo "LIBCMD=$libcmd" >> config.mak
    149 
    150 echo "prefix: $PREFIX"
    151 echo "libdir: $libdir"
    152 echo "incdir: $incdir"
    153 echo "ar:     $ar"
    154 echo "cc:     $cc"
    155 echo "ranlib: $ranlib"
    156 echo "strip:  $strip"
    157 echo "static: $static"
    158