vcs.maemo.org Git - qemu/blob - 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}-$$-${RANDOM}.h"
  19
  20 # default parameters
  21 prefix="/usr/local"
  22 interp_prefix="/usr/gnemul/qemu-i386"
  23 static="no"
  24 cross_prefix=""
  25 cc="gcc"
  26 host_cc="gcc"
  27 ar="ar"
  28 make="make"
  29 strip="strip"
  30 target_cpu="x86"
  31 target_bigendian="default"
  32 cpu=`uname -m`
  33 case "$cpu" in
  34   i386|i486|i586|i686|i86pc|BePC)
  35     cpu="x86"
  36   ;;
  37   armv4l)
  38     cpu="armv4l"
  39   ;;
  40   alpha)
  41     cpu="alpha"
  42   ;;
  43   "Power Macintosh"|ppc|ppc64)
  44     cpu="powerpc"
  45   ;;
  46   mips)
  47     cpu="mips"
  48   ;;
  49   s390)
  50     cpu="s390"
  51   ;;
  52   sparc)
  53     cpu="sparc"
  54   ;;
  55   sparc64)
  56     cpu="sparc64"
  57   ;;
  58   ia64)
  59     cpu="ia64"
  60   ;;
  61   *)
  62     cpu="unknown"
  63   ;;
  64 esac
  65 gprof="no"
  66 bigendian="no"
  67
  68 # OS specific
  69 targetos=`uname -s`
  70 case $targetos in
  71 *) ;;
  72 esac
  73
  74 # find source path
  75 # XXX: we assume an absolute path is given when launching configure,
  76 # except in './configure' case.
  77 source_path=${0%configure}
  78 source_path=${source_path%/}
  79 source_path_used="yes"
  80 if test -z "$source_path" -o "$source_path" = "." ; then
  81     source_path=`pwd`
  82     source_path_used="no"
  83 fi
  84
  85 for opt do
  86   case "$opt" in
  87   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  88   ;;
  89   --interp-prefix=*) interp_prefix=`echo $opt | cut -d '=' -f 2`
  90   ;;
  91   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
  92   ;;
  93   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
  94   ;;
  95   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
  96   ;;
  97   --make=*) make=`echo $opt | cut -d '=' -f 2`
  98   ;;
  99   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 100   ;;
 101   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 102   ;;
 103   --extra-libs=*) extralibs=${opt#--extra-libs=}
 104   ;;
 105   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 106   ;;
 107   --target-cpu=*) target_cpu=`echo $opt | cut -d '=' -f 2`
 108   ;;
 109   --target-big-endian) target_bigendian="yes"
 110   ;;
 111   --target-little-endian) target_bigendian="no"
 112   ;;
 113   --enable-gprof) gprof="yes"
 114   ;;
 115   --static) static="yes"
 116   ;;
 117   esac
 118 done
 119
 120 # Checking for CFLAGS
 121 if test -z "$CFLAGS"; then
 122     CFLAGS="-O2"
 123 fi
 124
 125 cc="${cross_prefix}${cc}"
 126 ar="${cross_prefix}${ar}"
 127 strip="${cross_prefix}${strip}"
 128
 129 if test -z "$cross_prefix" ; then
 130
 131 # ---
 132 # big/little endian test
 133 cat > $TMPC << EOF
 134 #include <inttypes.h>
 135 int main(int argc, char ** argv){
 136         volatile uint32_t i=0x01234567;
 137         return (*((uint8_t*)(&i))) == 0x67;
 138 }
 139 EOF
 140
 141 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 142 $TMPE && bigendian="yes"
 143 else
 144 echo big/little test failed
 145 fi
 146
 147 else
 148
 149 # if cross compiling, cannot launch a program, so make a static guess
 150 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" -o "$cpu" = "sparc" -o "$cpu" = "sparc64"; then
 151     bigendian="yes"
 152 fi
 153
 154 fi
 155
 156 # check gcc options support
 157 cat > $TMPC <<EOF
 158 int main(void) {
 159 }
 160 EOF
 161
 162 have_gcc3_options="no"
 163 if $cc -fno-reorder-blocks -fno-optimize-sibling-calls -o $TMPO $TMPC 2> /dev/null ; then
 164    have_gcc3_options="yes"
 165 fi
 166
 167 if test "$target_bigendian" = "default" ; then
 168     if test "$target_cpu" = "x86" ; then
 169          target_bigendian="no"
 170     elif test "$target_cpu" = "arm" ; then
 171          target_bigendian="no"
 172     else
 173          target_bigendian="no"
 174     fi
 175 fi
 176
 177 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 178 cat << EOF
 179
 180 Usage: configure [options]
 181 Options: [defaults in brackets after descriptions]
 182
 183 EOF
 184 echo "Standard options:"
 185 echo "  --help                   print this message"
 186 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 187 echo "  --interp-prefix=PREFIX   where to find shared libraries, etc. [$interp_prefix]"
 188 echo "  --target_cpu=CPU         set target cpu (x86 or arm) [$target_cpu]"
 189 echo ""
 190 echo "Advanced options (experts only):"
 191 echo "  --source-path=PATH       path of source code [$source_path]"
 192 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 193 echo "  --cc=CC                  use C compiler CC [$cc]"
 194 echo "  --make=MAKE              use specified make [$make]"
 195 echo "  --static                 enable static build [$static]"
 196 echo ""
 197 echo "NOTE: The object files are build at the place where configure is launched"
 198 exit 1
 199 fi
 200
 201 echo "Install prefix    $prefix"
 202 echo "Source path       $source_path"
 203 echo "ELF interp prefix $interp_prefix"
 204 echo "C compiler        $cc"
 205 echo "make              $make"
 206 echo "host CPU          $cpu"
 207 echo "host big endian   $bigendian"
 208 echo "target CPU        $target_cpu"
 209 echo "target big endian $target_bigendian"
 210 echo "gprof enabled     $gprof"
 211 echo "static build      $static"
 212
 213 echo "Creating config.mak and config.h"
 214
 215 echo "# Automatically generated by configure - do not modify" > config.mak
 216 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 217
 218 echo "prefix=$prefix" >> config.mak
 219 echo "#define CONFIG_QEMU_PREFIX \"$interp_prefix\"" >> $TMPH
 220 echo "MAKE=$make" >> config.mak
 221 echo "CC=$cc" >> config.mak
 222 if test "$have_gcc3_options" = "yes" ; then
 223   echo "HAVE_GCC3_OPTIONS=yes" >> config.mak
 224 fi
 225 echo "HOST_CC=$host_cc" >> config.mak
 226 echo "AR=$ar" >> config.mak
 227 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 228 echo "CFLAGS=$CFLAGS" >> config.mak
 229 echo "LDFLAGS=$LDFLAGS" >> config.mak
 230 if test "$cpu" = "x86" ; then
 231   echo "ARCH=i386" >> config.mak
 232   echo "#define HOST_I386 1" >> $TMPH
 233 elif test "$cpu" = "armv4l" ; then
 234   echo "ARCH=arm" >> config.mak
 235   echo "#define HOST_ARM 1" >> $TMPH
 236 elif test "$cpu" = "powerpc" ; then
 237   echo "ARCH=ppc" >> config.mak
 238   echo "#define HOST_PPC 1" >> $TMPH
 239 elif test "$cpu" = "mips" ; then
 240   echo "ARCH=mips" >> config.mak
 241   echo "#define HOST_MIPS 1" >> $TMPH
 242 elif test "$cpu" = "s390" ; then
 243   echo "ARCH=s390" >> config.mak
 244   echo "#define HOST_S390 1" >> $TMPH
 245 elif test "$cpu" = "alpha" ; then
 246   echo "ARCH=alpha" >> config.mak
 247   echo "#define HOST_ALPHA 1" >> $TMPH
 248 elif test "$cpu" = "sparc" ; then
 249   echo "ARCH=sparc" >> config.mak
 250   echo "#define HOST_SPARC 1" >> $TMPH
 251 elif test "$cpu" = "sparc64" ; then
 252   echo "ARCH=sparc64" >> config.mak
 253   echo "#define HOST_SPARC64 1" >> $TMPH
 254 elif test "$cpu" = "ia64" ; then
 255   echo "ARCH=ia64" >> config.mak
 256   echo "#define HOST_IA64 1" >> $TMPH
 257 else
 258   echo "Unsupported CPU"
 259   exit 1
 260 fi
 261 if test "$bigendian" = "yes" ; then
 262   echo "WORDS_BIGENDIAN=yes" >> config.mak
 263   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 264 fi
 265
 266 if test "$target_cpu" = "x86" ; then
 267   echo "TARGET_ARCH=i386" >> config.mak
 268   echo "#define TARGET_ARCH \"i386\"" >> $TMPH
 269   echo "#define TARGET_I386 1" >> $TMPH
 270 elif test "$target_cpu" = "arm" ; then
 271   echo "TARGET_ARCH=arm" >> config.mak
 272   echo "#define TARGET_ARCH \"arm\"" >> $TMPH
 273   echo "#define TARGET_ARM 1" >> $TMPH
 274 else
 275   echo "Unsupported target CPU"
 276   exit 1
 277 fi
 278 if test "$target_bigendian" = "yes" ; then
 279   echo "TARGET_WORDS_BIGENDIAN=yes" >> config.mak
 280   echo "#define TARGET_WORDS_BIGENDIAN 1" >> $TMPH
 281 fi
 282
 283 if test "$gprof" = "yes" ; then
 284   echo "TARGET_GPROF=yes" >> config.mak
 285   echo "#define HAVE_GPROF 1" >> $TMPH
 286 fi
 287 if test "$static" = "yes" ; then
 288   echo "CONFIG_STATIC=yes" >> config.mak
 289 fi
 290 echo -n "VERSION=" >>config.mak
 291 head $source_path/VERSION >>config.mak
 292 echo "" >>config.mak
 293 echo -n "#define QEMU_VERSION \"" >> $TMPH
 294 head $source_path/VERSION >> $TMPH
 295 echo "\"" >> $TMPH
 296
 297 # build tree in object directory if source path is different from current one
 298 if test "$source_path_used" = "yes" ; then
 299     DIRS="tests"
 300     FILES="Makefile tests/Makefile"
 301     for dir in $DIRS ; do
 302             mkdir -p $dir
 303     done
 304     for f in $FILES ; do
 305         ln -sf $source_path/$f $f
 306     done
 307 fi
 308 echo "SRC_PATH=$source_path" >> config.mak
 309
 310 diff $TMPH config.h >/dev/null 2>&1
 311 if test $? -ne 0 ; then
 312         mv -f $TMPH config.h
 313 else
 314         echo "config.h is unchanged"
 315 fi
 316
 317 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH