configure

   1 #!/bin/sh
   2 #
   3 # qemu 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="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.c"
  15 TMPO="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.o"
  16 TMPE="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}"
  17 TMPS="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.S"
  18 TMPH="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.h"
  19
  20 # default parameters
  21 prefix="/usr/local"
  22 cross_prefix=""
  23 cc="gcc"
  24 host_cc="gcc"
  25 ar="ar"
  26 make="make"
  27 strip="strip"
  28 cpu=`uname -m`
  29 case "$cpu" in
  30   i386|i486|i586|i686|i86pc|BePC)
  31     cpu="x86"
  32   ;;
  33   armv4l)
  34     cpu="armv4l"
  35   ;;
  36   alpha)
  37     cpu="alpha"
  38   ;;
  39   "Power Macintosh"|ppc)
  40     cpu="powerpc"
  41   ;;
  42   mips)
  43     cpu="mips"
  44   ;;
  45   s390)
  46     cpu="s390"
  47   ;;
  48   *)
  49     cpu="unknown"
  50   ;;
  51 esac
  52 gprof="no"
  53 bigendian="no"
  54
  55 # OS specific
  56 targetos=`uname -s`
  57 case $targetos in
  58 BeOS)
  59 prefix="/boot/home/config"
  60 # helps building libavcodec
  61 CFLAGS="-O2 -DPIC"
  62 # no need for libm, but the inet stuff
  63 # Check for BONE
  64 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
  65 extralibs="-lbind -lsocket"
  66 else
  67 echo "Not sure building for net_server will succeed... good luck."
  68 extralibs="-lsocket"
  69 fi ;;
  70 BSD/OS)
  71 extralibs="-lpoll -lgnugetopt -lm"
  72 make="gmake"
  73 ;;
  74 *) ;;
  75 esac
  76
  77 # find source path
  78 # XXX: we assume an absolute path is given when launching configure,
  79 # except in './configure' case.
  80 source_path=${0%configure}
  81 source_path=${source_path%/}
  82 source_path_used="yes"
  83 if test -z "$source_path" -o "$source_path" = "." ; then
  84     source_path=`pwd`
  85     source_path_used="no"
  86 fi
  87
  88 for opt do
  89   case "$opt" in
  90   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  91   ;;
  92   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
  93   ;;
  94   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
  95   ;;
  96   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
  97   ;;
  98   --make=*) make=`echo $opt | cut -d '=' -f 2`
  99   ;;
 100   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 101   ;;
 102   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 103   ;;
 104   --extra-libs=*) extralibs=${opt#--extra-libs=}
 105   ;;
 106   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 107   ;;
 108   --enable-gprof) gprof="yes"
 109   ;;
 110   esac
 111 done
 112
 113 # Checking for CFLAGS
 114 if test -z "$CFLAGS"; then
 115     CFLAGS="-O2"
 116 fi
 117
 118 cc="${cross_prefix}${cc}"
 119 ar="${cross_prefix}${ar}"
 120 strip="${cross_prefix}${strip}"
 121
 122 if test -z "$cross_prefix" ; then
 123
 124 # ---
 125 # big/little endian test
 126 cat > $TMPC << EOF
 127 #include <inttypes.h>
 128 int main(int argc, char ** argv){
 129         volatile uint32_t i=0x01234567;
 130         return (*((uint8_t*)(&i))) == 0x67;
 131 }
 132 EOF
 133
 134 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 135 $TMPE && bigendian="yes"
 136 else
 137 echo big/little test failed
 138 fi
 139
 140 else
 141
 142 # if cross compiling, cannot launch a program, so make a static guess
 143 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 144     bigendian="yes"
 145 fi
 146
 147 fi
 148
 149 # check gcc version
 150 cat > $TMPC <<EOF
 151 int main(void) {
 152 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 153 return 0;
 154 #else
 155 #error gcc < 3.2
 156 #endif
 157 }
 158 EOF
 159
 160 gcc_major="2"
 161 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 162    gcc_major="3"
 163 fi
 164
 165 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 166 cat << EOF
 167
 168 Usage: configure [options]
 169 Options: [defaults in brackets after descriptions]
 170
 171 EOF
 172 echo "Standard options:"
 173 echo "  --help                   print this message"
 174 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 175 echo "                           for audio/video/image support"
 176 echo ""
 177 echo "Advanced options (experts only):"
 178 echo "  --source-path=PATH       path of source code [$source_path]"
 179 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 180 echo "  --cc=CC                  use C compiler CC [$cc]"
 181 echo "  --make=MAKE              use specified make [$make]"
 182 echo ""
 183 echo "NOTE: The object files are build at the place where configure is launched"
 184 exit 1
 185 fi
 186
 187 echo "Install prefix   $prefix"
 188 echo "Source path      $source_path"
 189 echo "C compiler       $cc"
 190 echo "make             $make"
 191 echo "CPU              $cpu"
 192 echo "Big Endian       $bigendian"
 193 echo "gprof enabled    $gprof"
 194
 195 echo "Creating config.mak and config.h"
 196
 197 echo "# Automatically generated by configure - do not modify" > config.mak
 198 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 199
 200 echo "prefix=$prefix" >> config.mak
 201 echo "#define CONFIG_QEMU_PREFIX \"$prefix\"" >> $TMPH
 202 echo "MAKE=$make" >> config.mak
 203 echo "CC=$cc" >> config.mak
 204 echo "GCC_MAJOR=$gcc_major" >> config.mak
 205 echo "HOST_CC=$host_cc" >> config.mak
 206 echo "AR=$ar" >> config.mak
 207 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 208 echo "CFLAGS=$CFLAGS" >> config.mak
 209 echo "LDFLAGS=$LDFLAGS" >> config.mak
 210 if test "$cpu" = "x86" ; then
 211   echo "ARCH=i386" >> config.mak
 212 elif test "$cpu" = "armv4l" ; then
 213   echo "ARCH=arm" >> config.mak
 214 elif test "$cpu" = "powerpc" ; then
 215   echo "ARCH=ppc" >> config.mak
 216 elif test "$cpu" = "mips" ; then
 217   echo "ARCH=mips" >> config.mak
 218 elif test "$cpu" = "s390" ; then
 219   echo "ARCH=s390" >> config.mak
 220 else
 221   echo "Unsupported CPU"
 222   exit 1
 223 fi
 224 if test "$bigendian" = "yes" ; then
 225   echo "WORDS_BIGENDIAN=yes" >> config.mak
 226   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 227 fi
 228 if test "$gprof" = "yes" ; then
 229   echo "TARGET_GPROF=yes" >> config.mak
 230   echo "#define HAVE_GPROF 1" >> $TMPH
 231 fi
 232 echo -n "VERSION=" >>config.mak
 233 head $source_path/VERSION >>config.mak
 234 echo "" >>config.mak
 235 echo -n "#define QEMU_VERSION \"" >> $TMPH
 236 head $source_path/VERSION >> $TMPH
 237 echo "\"" >> $TMPH
 238 if test "$network" = "yes" ; then
 239   echo "#define CONFIG_NETWORK 1" >> $TMPH
 240   echo "CONFIG_NETWORK=yes" >> config.mak
 241 fi
 242
 243 # build tree in object directory if source path is different from current one
 244 if test "$source_path_used" = "yes" ; then
 245     DIRS="tests"
 246     FILES="Makefile tests/Makefile"
 247     for dir in $DIRS ; do
 248             mkdir -p $dir
 249     done
 250     for f in $FILES ; do
 251         ln -sf $source_path/$f $f
 252     done
 253 fi
 254 echo "SRC_PATH=$source_path" >> config.mak
 255
 256 diff $TMPH config.h >/dev/null 2>&1
 257 if test $? -ne 0 ; then
 258         mv -f $TMPH config.h
 259 else
 260         echo "config.h is unchanged"
 261 fi
 262
 263 rm -f $TMPH