configure

   1 #!/bin/sh
   2 #
   3 # gemu configure script (c) 2003 Fabrice Bellard
   4 #
   5 # set temporary file name
   6 if test ! -z "$TMPDIR" ; then
   7     TMPDIR1="${TMPDIR}"
   8 elif test ! -z "$TEMPDIR" ; then
   9     TMPDIR1="${TEMPDIR}"
  10 else
  11     TMPDIR1="/tmp"
  12 fi
  13
  14 TMPC="${TMPDIR1}/qemacs-conf-${RANDOM}-$$-${RANDOM}.c"
  15 TMPO="${TMPDIR1}/qemacs-conf-${RANDOM}-$$-${RANDOM}.o"
  16 TMPS="${TMPDIR1}/qemacs-conf-${RANDOM}-$$-${RANDOM}.S"
  17 TMPH="${TMPDIR1}/qemacs-conf-${RANDOM}-$$-${RANDOM}.h"
  18
  19 # default parameters
  20 prefix="/usr/local"
  21 cross_prefix=""
  22 cc="gcc"
  23 host_cc="gcc"
  24 ar="ar"
  25 make="make"
  26 strip="strip"
  27 cpu=`uname -m`
  28 case "$cpu" in
  29   i386|i486|i586|i686|i86pc|BePC)
  30     cpu="x86"
  31   ;;
  32   armv4l)
  33     cpu="armv4l"
  34   ;;
  35   alpha)
  36     cpu="alpha"
  37   ;;
  38   "Power Macintosh"|ppc)
  39     cpu="powerpc"
  40   ;;
  41   mips)
  42     cpu="mips"
  43   ;;
  44   *)
  45     cpu="unknown"
  46   ;;
  47 esac
  48 gprof="no"
  49 bigendian="no"
  50
  51 # OS specific
  52 targetos=`uname -s`
  53 case $targetos in
  54 BeOS)
  55 prefix="/boot/home/config"
  56 # helps building libavcodec
  57 CFLAGS="-O2 -DPIC"
  58 # no need for libm, but the inet stuff
  59 # Check for BONE
  60 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
  61 extralibs="-lbind -lsocket"
  62 else
  63 echo "Not sure building for net_server will succeed... good luck."
  64 extralibs="-lsocket"
  65 fi ;;
  66 BSD/OS)
  67 extralibs="-lpoll -lgnugetopt -lm"
  68 make="gmake"
  69 ;;
  70 *) ;;
  71 esac
  72
  73 # find source path
  74 # XXX: we assume an absolute path is given when launching configure,
  75 # except in './configure' case.
  76 source_path=${0%configure}
  77 source_path=${source_path%/}
  78 source_path_used="yes"
  79 if test -z "$source_path" -o "$source_path" = "." ; then
  80     source_path=`pwd`
  81     source_path_used="no"
  82 fi
  83
  84 for opt do
  85   case "$opt" in
  86   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  87   ;;
  88   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
  89   ;;
  90   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
  91   ;;
  92   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
  93   ;;
  94   --make=*) make=`echo $opt | cut -d '=' -f 2`
  95   ;;
  96   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
  97   ;;
  98   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
  99   ;;
 100   --extra-libs=*) extralibs=${opt#--extra-libs=}
 101   ;;
 102   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 103   ;;
 104   --enable-gprof) gprof="yes"
 105   ;;
 106   esac
 107 done
 108
 109 # Checking for CFLAGS
 110 if test -z "$CFLAGS"; then
 111     CFLAGS="-O2"
 112 fi
 113
 114 cc="${cross_prefix}${cc}"
 115 ar="${cross_prefix}${ar}"
 116 strip="${cross_prefix}${strip}"
 117
 118 if test -z "$cross_prefix" ; then
 119
 120 # ---
 121 # big/little endian test
 122 cat > $TMPC << EOF
 123 #include <inttypes.h>
 124 int main(int argc, char ** argv){
 125         volatile uint32_t i=0x01234567;
 126         return (*((uint8_t*)(&i))) == 0x67;
 127 }
 128 EOF
 129
 130 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 131 $TMPE && bigendian="yes"
 132 else
 133 echo big/little test failed
 134 fi
 135
 136 else
 137
 138 # if cross compiling, cannot launch a program, so make a static guess
 139 if test "$cpu" = "powerpc" -o "$cpu" = "mips" ; then
 140     bigendian="yes"
 141 fi
 142
 143 fi
 144
 145 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 146 cat << EOF
 147
 148 Usage: configure [options]
 149 Options: [defaults in brackets after descriptions]
 150
 151 EOF
 152 echo "Standard options:"
 153 echo "  --help                   print this message"
 154 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 155 echo "                           for audio/video/image support"
 156 echo ""
 157 echo "Advanced options (experts only):"
 158 echo "  --source-path=PATH       path of source code [$source_path]"
 159 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 160 echo "  --cc=CC                  use C compiler CC [$cc]"
 161 echo "  --make=MAKE              use specified make [$make]"
 162 echo ""
 163 echo "NOTE: The object files are build at the place where configure is launched"
 164 exit 1
 165 fi
 166
 167 echo "Install prefix   $prefix"
 168 echo "Source path      $source_path"
 169 echo "C compiler       $cc"
 170 echo "make             $make"
 171 echo "CPU              $cpu"
 172 echo "Big Endian       $bigendian"
 173 echo "gprof enabled    $gprof"
 174
 175 echo "Creating config.mak and config.h"
 176
 177 echo "# Automatically generated by configure - do not modify" > config.mak
 178 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 179
 180 echo "prefix=$prefix" >> config.mak
 181 echo "#define CONFIG_GEMU_PREFIX \"$prefix\"" >> $TMPH
 182 echo "MAKE=$make" >> config.mak
 183 echo "CC=$cc" >> config.mak
 184 echo "HOST_CC=$host_cc" >> config.mak
 185 echo "AR=$ar" >> config.mak
 186 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 187 echo "CFLAGS=$CFLAGS" >> config.mak
 188 echo "LDFLAGS=$LDFLAGS" >> config.mak
 189 if test "$cpu" = "x86" ; then
 190   echo "ARCH=i386" >> config.mak
 191 elif test "$cpu" = "armv4l" ; then
 192   echo "ARCH=arm" >> config.mak
 193 elif test "$cpu" = "powerpc" ; then
 194   echo "ARCH=ppc" > config.mak
 195 elif test "$cpu" = "mips" ; then
 196   echo "ARCH=mips" > config.mak
 197 else
 198   echo "Unsupported CPU"
 199   exit 1
 200 fi
 201 if test "$bigendian" = "yes" ; then
 202   echo "WORDS_BIGENDIAN=yes" >> config.mak
 203   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 204 fi
 205 if test "$gprof" = "yes" ; then
 206   echo "TARGET_GPROF=yes" >> config.mak
 207   echo "#define HAVE_GPROF 1" >> $TMPH
 208 fi
 209 echo -n "VERSION=" >>config.mak
 210 head $source_path/VERSION >>config.mak
 211 echo "" >>config.mak
 212 echo -n "#define GEMU_VERSION \"" >> $TMPH
 213 head $source_path/VERSION >> $TMPH
 214 echo "\"" >> $TMPH
 215 if test "$network" = "yes" ; then
 216   echo "#define CONFIG_NETWORK 1" >> $TMPH
 217   echo "CONFIG_NETWORK=yes" >> config.mak
 218 fi
 219
 220 # build tree in object directory if source path is different from current one
 221 if test "$source_path_used" = "yes" ; then
 222     DIRS="tests"
 223     FILES="Makefile tests/Makefile"
 224     for dir in $DIRS ; do
 225             mkdir -p $dir
 226     done
 227     for f in $FILES ; do
 228         ln -sf $source_path/$f $f
 229     done
 230 fi
 231 echo "SRC_PATH=$source_path" >> config.mak
 232
 233 diff $TMPH config.h >/dev/null 2>&1
 234 if test $? -ne 0 ; then
 235         mv -f $TMPH config.h
 236 else
 237         echo "config.h is unchanged"
 238 fi
 239
 240 rm -f $TMPH