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}-$$-${RANDOM}.h"
  19
  20 # default parameters
  21 prefix="/usr/local"
  22 interp_prefix="/usr/gnemul/qemu-i386"
  23 cross_prefix=""
  24 cc="gcc"
  25 host_cc="gcc"
  26 ar="ar"
  27 make="make"
  28 strip="strip"
  29 cpu=`uname -m`
  30 case "$cpu" in
  31   i386|i486|i586|i686|i86pc|BePC)
  32     cpu="x86"
  33   ;;
  34   armv4l)
  35     cpu="armv4l"
  36   ;;
  37   alpha)
  38     cpu="alpha"
  39   ;;
  40   "Power Macintosh"|ppc|ppc64)
  41     cpu="powerpc"
  42   ;;
  43   mips)
  44     cpu="mips"
  45   ;;
  46   s390)
  47     cpu="s390"
  48   ;;
  49   *)
  50     cpu="unknown"
  51   ;;
  52 esac
  53 gprof="no"
  54 bigendian="no"
  55
  56 # OS specific
  57 targetos=`uname -s`
  58 case $targetos in
  59 BeOS)
  60 prefix="/boot/home/config"
  61 # helps building libavcodec
  62 CFLAGS="-O2 -DPIC"
  63 # no need for libm, but the inet stuff
  64 # Check for BONE
  65 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
  66 extralibs="-lbind -lsocket"
  67 else
  68 echo "Not sure building for net_server will succeed... good luck."
  69 extralibs="-lsocket"
  70 fi ;;
  71 BSD/OS)
  72 extralibs="-lpoll -lgnugetopt -lm"
  73 make="gmake"
  74 ;;
  75 *) ;;
  76 esac
  77
  78 # find source path
  79 # XXX: we assume an absolute path is given when launching configure,
  80 # except in './configure' case.
  81 source_path=${0%configure}
  82 source_path=${source_path%/}
  83 source_path_used="yes"
  84 if test -z "$source_path" -o "$source_path" = "." ; then
  85     source_path=`pwd`
  86     source_path_used="no"
  87 fi
  88
  89 for opt do
  90   case "$opt" in
  91   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  92   ;;
  93   --interp-prefix=*) interp_prefix=`echo $opt | cut -d '=' -f 2`
  94   ;;
  95   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
  96   ;;
  97   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
  98   ;;
  99   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 100   ;;
 101   --make=*) make=`echo $opt | cut -d '=' -f 2`
 102   ;;
 103   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 104   ;;
 105   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 106   ;;
 107   --extra-libs=*) extralibs=${opt#--extra-libs=}
 108   ;;
 109   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 110   ;;
 111   --enable-gprof) gprof="yes"
 112   ;;
 113   esac
 114 done
 115
 116 # Checking for CFLAGS
 117 if test -z "$CFLAGS"; then
 118     CFLAGS="-O2"
 119 fi
 120
 121 cc="${cross_prefix}${cc}"
 122 ar="${cross_prefix}${ar}"
 123 strip="${cross_prefix}${strip}"
 124
 125 if test -z "$cross_prefix" ; then
 126
 127 # ---
 128 # big/little endian test
 129 cat > $TMPC << EOF
 130 #include <inttypes.h>
 131 int main(int argc, char ** argv){
 132         volatile uint32_t i=0x01234567;
 133         return (*((uint8_t*)(&i))) == 0x67;
 134 }
 135 EOF
 136
 137 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 138 $TMPE && bigendian="yes"
 139 else
 140 echo big/little test failed
 141 fi
 142
 143 else
 144
 145 # if cross compiling, cannot launch a program, so make a static guess
 146 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 147     bigendian="yes"
 148 fi
 149
 150 fi
 151
 152 # check gcc version
 153 cat > $TMPC <<EOF
 154 int main(void) {
 155 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 156 return 0;
 157 #else
 158 #error gcc < 3.2
 159 #endif
 160 }
 161 EOF
 162
 163 gcc_major="2"
 164 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 165    gcc_major="3"
 166 fi
 167
 168 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 169 cat << EOF
 170
 171 Usage: configure [options]
 172 Options: [defaults in brackets after descriptions]
 173
 174 EOF
 175 echo "Standard options:"
 176 echo "  --help                   print this message"
 177 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 178 echo "  --interp-prefix=PREFIX   where to find shared libraries, etc. [$interp_prefix]"
 179 echo ""
 180 echo "Advanced options (experts only):"
 181 echo "  --source-path=PATH       path of source code [$source_path]"
 182 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 183 echo "  --cc=CC                  use C compiler CC [$cc]"
 184 echo "  --make=MAKE              use specified make [$make]"
 185 echo ""
 186 echo "NOTE: The object files are build at the place where configure is launched"
 187 exit 1
 188 fi
 189
 190 echo "Install prefix   $prefix"
 191 echo "Source path      $source_path"
 192 echo "C compiler       $cc"
 193 echo "make             $make"
 194 echo "CPU              $cpu"
 195 echo "Big Endian       $bigendian"
 196 echo "gprof enabled    $gprof"
 197
 198 echo "Creating config.mak and config.h"
 199
 200 echo "# Automatically generated by configure - do not modify" > config.mak
 201 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 202
 203 echo "prefix=$prefix" >> config.mak
 204 echo "#define CONFIG_QEMU_PREFIX \"$interp_prefix\"" >> $TMPH
 205 echo "MAKE=$make" >> config.mak
 206 echo "CC=$cc" >> config.mak
 207 echo "GCC_MAJOR=$gcc_major" >> config.mak
 208 echo "HOST_CC=$host_cc" >> config.mak
 209 echo "AR=$ar" >> config.mak
 210 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 211 echo "CFLAGS=$CFLAGS" >> config.mak
 212 echo "LDFLAGS=$LDFLAGS" >> config.mak
 213 if test "$cpu" = "x86" ; then
 214   echo "ARCH=i386" >> config.mak
 215   echo "#define HOST_I386 1" >> $TMPH
 216 elif test "$cpu" = "armv4l" ; then
 217   echo "ARCH=arm" >> config.mak
 218   echo "#define HOST_ARM 1" >> $TMPH
 219 elif test "$cpu" = "powerpc" ; then
 220   echo "ARCH=ppc" >> config.mak
 221   echo "#define HOST_PPC 1" >> $TMPH
 222 elif test "$cpu" = "mips" ; then
 223   echo "ARCH=mips" >> config.mak
 224   echo "#define HOST_MIPS 1" >> $TMPH
 225 elif test "$cpu" = "s390" ; then
 226   echo "ARCH=s390" >> config.mak
 227   echo "#define HOST_S390 1" >> $TMPH
 228 elif test "$cpu" = "alpha" ; then
 229   echo "ARCH=alpha" >> config.mak
 230   echo "#define HOST_ALPHA 1" >> $TMPH
 231 else
 232   echo "Unsupported CPU"
 233   exit 1
 234 fi
 235 if test "$bigendian" = "yes" ; then
 236   echo "WORDS_BIGENDIAN=yes" >> config.mak
 237   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 238 fi
 239 if test "$gprof" = "yes" ; then
 240   echo "TARGET_GPROF=yes" >> config.mak
 241   echo "#define HAVE_GPROF 1" >> $TMPH
 242 fi
 243 echo -n "VERSION=" >>config.mak
 244 head $source_path/VERSION >>config.mak
 245 echo "" >>config.mak
 246 echo -n "#define QEMU_VERSION \"" >> $TMPH
 247 head $source_path/VERSION >> $TMPH
 248 echo "\"" >> $TMPH
 249 if test "$network" = "yes" ; then
 250   echo "#define CONFIG_NETWORK 1" >> $TMPH
 251   echo "CONFIG_NETWORK=yes" >> config.mak
 252 fi
 253
 254 # build tree in object directory if source path is different from current one
 255 if test "$source_path_used" = "yes" ; then
 256     DIRS="tests"
 257     FILES="Makefile tests/Makefile"
 258     for dir in $DIRS ; do
 259             mkdir -p $dir
 260     done
 261     for f in $FILES ; do
 262         ln -sf $source_path/$f $f
 263     done
 264 fi
 265 echo "SRC_PATH=$source_path" >> config.mak
 266
 267 diff $TMPH config.h >/dev/null 2>&1
 268 if test $? -ne 0 ; then
 269         mv -f $TMPH config.h
 270 else
 271         echo "config.h is unchanged"
 272 fi
 273
 274 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH