configure

   1 #!/bin/sh
   2 #
   3 # tcc 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="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.c"
  15 TMPO="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.o"
  16 TMPE="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}"
  17 TMPS="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.S"
  18 TMPH="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.h"
  19
  20 # default parameters
  21 build_cross="no"
  22 prefix=""
  23 execprefix=""
  24 bindir=""
  25 libdir=""
  26 tccdir=""
  27 includedir=""
  28 mandir=""
  29 cross_prefix=""
  30 cc="gcc"
  31 host_cc="gcc"
  32 ar="ar"
  33 make="make"
  34 strip="strip"
  35 cpu=`uname -m`
  36 case "$cpu" in
  37   i386|i486|i586|i686|i86pc|BePC)
  38     cpu="x86"
  39   ;;
  40   armv4l)
  41     cpu="armv4l"
  42   ;;
  43   alpha)
  44     cpu="alpha"
  45   ;;
  46   "Power Macintosh"|ppc|ppc64)
  47     cpu="powerpc"
  48   ;;
  49   mips)
  50     cpu="mips"
  51   ;;
  52   s390)
  53     cpu="s390"
  54   ;;
  55   *)
  56     cpu="unknown"
  57   ;;
  58 esac
  59 gprof="no"
  60 bigendian="no"
  61 mingw32="no"
  62 LIBSUF=".a"
  63 EXESUF=""
  64
  65 # OS specific
  66 targetos=`uname -s`
  67 case $targetos in
  68 MINGW32*)
  69 mingw32="yes"
  70 ;;
  71 *) ;;
  72 esac
  73
  74 # find source path
  75 # XXX: we assume an absolute path is given when launching configure,
  76 # except in './configure' case.
  77 source_path=${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   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
  90   ;;
  91   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
  92   ;;
  93   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
  94   ;;
  95   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
  96   ;;
  97   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
  98   ;;
  99   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 100   ;;
 101   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 102   ;;
 103   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 104   ;;
 105   --make=*) make=`echo $opt | cut -d '=' -f 2`
 106   ;;
 107   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 108   ;;
 109   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 110   ;;
 111   --extra-libs=*) extralibs=${opt#--extra-libs=}
 112   ;;
 113   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 114   ;;
 115   --enable-gprof) gprof="yes"
 116   ;;
 117   --enable-mingw32) mingw32="yes" ; cross_prefix="i386-mingw32-"
 118   ;;
 119   --enable-cross) build_cross="yes"
 120   ;;
 121   esac
 122 done
 123
 124 # Checking for CFLAGS
 125 if test -z "$CFLAGS"; then
 126     CFLAGS="-O2"
 127 fi
 128
 129 cc="${cross_prefix}${cc}"
 130 ar="${cross_prefix}${ar}"
 131 strip="${cross_prefix}${strip}"
 132
 133 if test "$mingw32" = "yes" ; then
 134     LIBSUF=".lib"
 135     EXESUF=".exe"
 136 fi
 137
 138 if test -z "$cross_prefix" ; then
 139
 140 # ---
 141 # big/little endian test
 142 cat > $TMPC << EOF
 143 #include <inttypes.h>
 144 int main(int argc, char ** argv){
 145         volatile uint32_t i=0x01234567;
 146         return (*((uint8_t*)(&i))) == 0x67;
 147 }
 148 EOF
 149
 150 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 151 $TMPE && bigendian="yes"
 152 else
 153 echo big/little test failed
 154 fi
 155
 156 else
 157
 158 # if cross compiling, cannot launch a program, so make a static guess
 159 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 160     bigendian="yes"
 161 fi
 162
 163 fi
 164
 165 # check gcc version
 166 cat > $TMPC <<EOF
 167 int main(void) {
 168 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 169 return 0;
 170 #else
 171 #error gcc < 3.2
 172 #endif
 173 }
 174 EOF
 175
 176 gcc_major="2"
 177 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 178    gcc_major="3"
 179 fi
 180
 181 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 182 cat << EOF
 183
 184 Usage: configure [options]
 185 Options: [defaults in brackets after descriptions]
 186
 187 EOF
 188 echo "Standard options:"
 189 echo "  --help                   print this message"
 190 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 191 echo "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 192 echo "                           [same as prefix]"
 193 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 194 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 195 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 196 echo "  --mandir=DIR             man documentation in DIR [PREFIX/man]"
 197 echo "  --enable-cross           build cross compilers"
 198 echo ""
 199 echo "Advanced options (experts only):"
 200 echo "  --source-path=PATH       path of source code [$source_path]"
 201 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 202 echo "  --cc=CC                  use C compiler CC [$cc]"
 203 echo "  --make=MAKE              use specified make [$make]"
 204 echo ""
 205 #echo "NOTE: The object files are build at the place where configure is launched"
 206 exit 1
 207 fi
 208
 209 if test "$mingw32" = "yes" ; then
 210     if test -z "$prefix" ; then
 211         prefix="/c/Program Files/tcc"
 212     fi
 213     execprefix="$prefix"
 214     bindir="$prefix"
 215     tccdir="$prefix"
 216     docdir="$prefix/doc"
 217 else
 218     if test -z "$prefix" ; then
 219         prefix="/usr/local"
 220     fi
 221     if test x"$execprefix" = x""; then
 222         execprefix="${prefix}"
 223     fi
 224     if test x"$bindir" = x""; then
 225         bindir="${execprefix}/bin"
 226     fi
 227     if test x"$docdir" = x""; then
 228         docdir="$prefix/share/doc/tcc"
 229     fi
 230 fi # mingw32
 231
 232 if test x"$libdir" = x""; then
 233 libdir="${execprefix}/lib"
 234 fi
 235 if test x"$tccdir" = x""; then
 236 tccdir="${execprefix}/lib/tcc"
 237 fi
 238 if test x"$mandir" = x""; then
 239 mandir="${prefix}/man"
 240 fi
 241 if test x"$includedir" = x""; then
 242 includedir="${prefix}/include"
 243 fi
 244
 245 echo "Binary  directory   $bindir"
 246 echo "TinyCC directory    $tccdir"
 247 echo "Library directory   $libdir"
 248 echo "Include directory   $includedir"
 249 echo "Manual directory    $mandir"
 250 echo "Doc directory       $docdir"
 251 echo "Source path      $source_path"
 252 echo "C compiler       $cc"
 253 echo "make             $make"
 254 echo "CPU              $cpu"
 255 echo "Big Endian       $bigendian"
 256 echo "gprof enabled    $gprof"
 257 echo "cross compilers  $build_cross"
 258
 259 echo "Creating config.mak and config.h"
 260
 261 echo "# Automatically generated by configure - do not modify" > config.mak
 262 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 263
 264 echo "prefix=$prefix" >> config.mak
 265 echo "bindir=$bindir" >> config.mak
 266 echo "tccdir=$tccdir" >> config.mak
 267 echo "libdir=$libdir" >> config.mak
 268 echo "includedir=$includedir" >> config.mak
 269 echo "mandir=$mandir" >> config.mak
 270 echo "docdir=$docdir" >> config.mak
 271 echo "#define CONFIG_TCCDIR \"$tccdir\"" >> $TMPH
 272 echo "MAKE=$make" >> config.mak
 273 echo "CC=$cc" >> config.mak
 274 echo "GCC_MAJOR=$gcc_major" >> config.mak
 275 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 276 echo "HOST_CC=$host_cc" >> config.mak
 277 echo "AR=$ar" >> config.mak
 278 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 279 echo "CFLAGS=$CFLAGS" >> config.mak
 280 echo "LDFLAGS=$LDFLAGS" >> config.mak
 281 echo "LIBSUF=$LIBSUF" >> config.mak
 282 echo "EXESUF=$EXESUF" >> config.mak
 283 if test "$cpu" = "x86" ; then
 284   echo "ARCH=i386" >> config.mak
 285   echo "#define HOST_I386 1" >> $TMPH
 286 elif test "$cpu" = "armv4l" ; then
 287   echo "ARCH=arm" >> config.mak
 288   echo "#define HOST_ARM 1" >> $TMPH
 289 elif test "$cpu" = "powerpc" ; then
 290   echo "ARCH=ppc" >> config.mak
 291   echo "#define HOST_PPC 1" >> $TMPH
 292 elif test "$cpu" = "mips" ; then
 293   echo "ARCH=mips" >> config.mak
 294   echo "#define HOST_MIPS 1" >> $TMPH
 295 elif test "$cpu" = "s390" ; then
 296   echo "ARCH=s390" >> config.mak
 297   echo "#define HOST_S390 1" >> $TMPH
 298 elif test "$cpu" = "alpha" ; then
 299   echo "ARCH=alpha" >> config.mak
 300   echo "#define HOST_ALPHA 1" >> $TMPH
 301 else
 302   echo "Unsupported CPU"
 303   exit 1
 304 fi
 305 if test "$mingw32" = "yes" ; then
 306   echo "CONFIG_WIN32=yes" >> config.mak
 307   echo "#define CONFIG_WIN32 1" >> $TMPH
 308 fi
 309 if test "$bigendian" = "yes" ; then
 310   echo "WORDS_BIGENDIAN=yes" >> config.mak
 311   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 312 fi
 313 if test "$gprof" = "yes" ; then
 314   echo "TARGET_GPROF=yes" >> config.mak
 315   echo "#define HAVE_GPROF 1" >> $TMPH
 316 fi
 317 if test "$build_cross" = "yes" ; then
 318   echo "CONFIG_CROSS=yes" >> config.mak
 319 fi
 320 version=`head $source_path/VERSION`
 321 echo "VERSION=$version" >>config.mak
 322 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 323 echo "@set VERSION $version" > config.texi
 324
 325 # build tree in object directory if source path is different from current one
 326 if test "$source_path_used" = "yes" ; then
 327     DIRS="tests"
 328     FILES="Makefile tests/Makefile"
 329     for dir in $DIRS ; do
 330             mkdir -p $dir
 331     done
 332     for f in $FILES ; do
 333         ln -sf $source_path/$f $f
 334     done
 335 fi
 336 echo "SRC_PATH=$source_path" >> config.mak
 337
 338 diff $TMPH config.h >/dev/null 2>&1
 339 if test $? -ne 0 ; then
 340         mv -f $TMPH config.h
 341 else
 342         echo "config.h is unchanged"
 343 fi
 344
 345 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH