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}-$$-${RANDOM}.h"
  19
  20 # default parameters
  21 prefix=""
  22 execprefix=""
  23 bindir=""
  24 libdir=""
  25 includedir=""
  26 mandir=""
  27 cross_prefix=""
  28 cc="gcc"
  29 host_cc="gcc"
  30 ar="ar"
  31 make="make"
  32 strip="strip"
  33 cpu=`uname -m`
  34 case "$cpu" in
  35   i386|i486|i586|i686|i86pc|BePC)
  36     cpu="x86"
  37   ;;
  38   armv4l)
  39     cpu="armv4l"
  40   ;;
  41   alpha)
  42     cpu="alpha"
  43   ;;
  44   "Power Macintosh"|ppc|ppc64)
  45     cpu="powerpc"
  46   ;;
  47   mips)
  48     cpu="mips"
  49   ;;
  50   s390)
  51     cpu="s390"
  52   ;;
  53   *)
  54     cpu="unknown"
  55   ;;
  56 esac
  57 gprof="no"
  58 bigendian="no"
  59 mingw32="no"
  60 LIBSUF=".a"
  61 EXESUF=""
  62
  63 # OS specific
  64 targetos=`uname -s`
  65 case $targetos in
  66 MINGW32*)
  67 mingw32="yes"
  68 ;;
  69 *) ;;
  70 esac
  71
  72 # find source path
  73 # XXX: we assume an absolute path is given when launching configure,
  74 # except in './configure' case.
  75 source_path=${0%configure}
  76 source_path=${source_path%/}
  77 source_path_used="yes"
  78 if test -z "$source_path" -o "$source_path" = "." ; then
  79     source_path=`pwd`
  80     source_path_used="no"
  81 fi
  82
  83 for opt do
  84   case "$opt" in
  85   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  86   ;;
  87   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
  88   ;;
  89   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
  90   ;;
  91   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
  92   ;;
  93   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
  94   ;;
  95   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
  96   ;;
  97   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
  98   ;;
  99   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 100   ;;
 101   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 102   ;;
 103   --make=*) make=`echo $opt | cut -d '=' -f 2`
 104   ;;
 105   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 106   ;;
 107   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 108   ;;
 109   --extra-libs=*) extralibs=${opt#--extra-libs=}
 110   ;;
 111   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 112   ;;
 113   --enable-gprof) gprof="yes"
 114   ;;
 115   --enable-mingw32) mingw32="yes" ; cross_prefix="i386-mingw32-"
 116   ;;
 117   esac
 118 done
 119
 120 # Checking for CFLAGS
 121 if test -z "$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 "$mingw32" = "yes" ; then
 130     LIBSUF=".lib"
 131     EXESUF=".exe"
 132 fi
 133
 134 if test -z "$cross_prefix" ; then
 135
 136 # ---
 137 # big/little endian test
 138 cat > $TMPC << EOF
 139 #include <inttypes.h>
 140 int main(int argc, char ** argv){
 141         volatile uint32_t i=0x01234567;
 142         return (*((uint8_t*)(&i))) == 0x67;
 143 }
 144 EOF
 145
 146 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 147 $TMPE && bigendian="yes"
 148 else
 149 echo big/little test failed
 150 fi
 151
 152 else
 153
 154 # if cross compiling, cannot launch a program, so make a static guess
 155 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 156     bigendian="yes"
 157 fi
 158
 159 fi
 160
 161 # check gcc version
 162 cat > $TMPC <<EOF
 163 int main(void) {
 164 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 165 return 0;
 166 #else
 167 #error gcc < 3.2
 168 #endif
 169 }
 170 EOF
 171
 172 gcc_major="2"
 173 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 174    gcc_major="3"
 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 "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 188 echo "                           [same as prefix]"
 189 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 190 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 191 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 192 echo "  --mandir=DIR             man documentation in DIR [PREFIX/man]"
 193 echo ""
 194 echo "Advanced options (experts only):"
 195 echo "  --source-path=PATH       path of source code [$source_path]"
 196 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 197 echo "  --cc=CC                  use C compiler CC [$cc]"
 198 echo "  --make=MAKE              use specified make [$make]"
 199 echo ""
 200 #echo "NOTE: The object files are build at the place where configure is launched"
 201 exit 1
 202 fi
 203
 204 if test "$mingw32" = "yes" ; then
 205     if test -z "$prefix" ; then
 206         prefix="/c/Program Files/tcc"
 207     fi
 208     execprefix="$prefix"
 209     bindir="$prefix"
 210     docdir="$prefix/doc"
 211 else
 212     if test -z "$prefix" ; then
 213         prefix="/usr/local"
 214     fi
 215     if test x"$execprefix" = x""; then
 216         execprefix="${prefix}"
 217     fi
 218     if test x"$bindir" = x""; then
 219         bindir="${execprefix}/bin"
 220     fi
 221     if test x"$docdir" = x""; then
 222         docdir="$prefix/share/doc/tcc"
 223     fi
 224 fi # mingw32
 225
 226 if test x"$libdir" = x""; then
 227 libdir="${execprefix}/lib"
 228 fi
 229 if test x"$mandir" = x""; then
 230 mandir="${prefix}/man"
 231 fi
 232 if test x"$includedir" = x""; then
 233 includedir="${prefix}/include"
 234 fi
 235
 236 echo "Binary  directory   $bindir"
 237 echo "Library directory   $libdir"
 238 echo "Include directory   $includedir"
 239 echo "Manual directory    $mandir"
 240 echo "Doc directory       $docdir"
 241 echo "Source path      $source_path"
 242 echo "C compiler       $cc"
 243 echo "make             $make"
 244 echo "CPU              $cpu"
 245 echo "Big Endian       $bigendian"
 246 echo "gprof enabled    $gprof"
 247
 248 echo "Creating config.mak and config.h"
 249
 250 echo "# Automatically generated by configure - do not modify" > config.mak
 251 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 252
 253 echo "prefix=$prefix" >> config.mak
 254 echo "bindir=$bindir" >> config.mak
 255 echo "libdir=$libdir" >> config.mak
 256 echo "includedir=$includedir" >> config.mak
 257 echo "mandir=$mandir" >> config.mak
 258 echo "docdir=$docdir" >> config.mak
 259 echo "#define CONFIG_TCC_LIBDIR \"$libdir\"" >> $TMPH
 260 echo "MAKE=$make" >> config.mak
 261 echo "CC=$cc" >> config.mak
 262 echo "GCC_MAJOR=$gcc_major" >> config.mak
 263 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 264 echo "HOST_CC=$host_cc" >> config.mak
 265 echo "AR=$ar" >> config.mak
 266 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 267 echo "CFLAGS=$CFLAGS" >> config.mak
 268 echo "LDFLAGS=$LDFLAGS" >> config.mak
 269 echo "LIBSUF=$LIBSUF" >> config.mak
 270 echo "EXESUF=$EXESUF" >> config.mak
 271 if test "$cpu" = "x86" ; then
 272   echo "ARCH=i386" >> config.mak
 273   echo "#define HOST_I386 1" >> $TMPH
 274 elif test "$cpu" = "armv4l" ; then
 275   echo "ARCH=arm" >> config.mak
 276   echo "#define HOST_ARM 1" >> $TMPH
 277 elif test "$cpu" = "powerpc" ; then
 278   echo "ARCH=ppc" >> config.mak
 279   echo "#define HOST_PPC 1" >> $TMPH
 280 elif test "$cpu" = "mips" ; then
 281   echo "ARCH=mips" >> config.mak
 282   echo "#define HOST_MIPS 1" >> $TMPH
 283 elif test "$cpu" = "s390" ; then
 284   echo "ARCH=s390" >> config.mak
 285   echo "#define HOST_S390 1" >> $TMPH
 286 elif test "$cpu" = "alpha" ; then
 287   echo "ARCH=alpha" >> config.mak
 288   echo "#define HOST_ALPHA 1" >> $TMPH
 289 else
 290   echo "Unsupported CPU"
 291   exit 1
 292 fi
 293 if test "$mingw32" = "yes" ; then
 294   echo "CONFIG_WIN32=yes" >> config.mak
 295   echo "#define CONFIG_WIN32 1" >> $TMPH
 296 fi
 297 if test "$bigendian" = "yes" ; then
 298   echo "WORDS_BIGENDIAN=yes" >> config.mak
 299   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 300 fi
 301 if test "$gprof" = "yes" ; then
 302   echo "TARGET_GPROF=yes" >> config.mak
 303   echo "#define HAVE_GPROF 1" >> $TMPH
 304 fi
 305 version=`head $source_path/VERSION`
 306 echo "VERSION=$version" >>config.mak
 307 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 308 echo "@set VERSION $version" > config.texi
 309
 310 # build tree in object directory if source path is different from current one
 311 if test "$source_path_used" = "yes" ; then
 312     DIRS="tests"
 313     FILES="Makefile tests/Makefile"
 314     for dir in $DIRS ; do
 315             mkdir -p $dir
 316     done
 317     for f in $FILES ; do
 318         ln -sf $source_path/$f $f
 319     done
 320 fi
 321 echo "SRC_PATH=$source_path" >> config.mak
 322
 323 diff $TMPH config.h >/dev/null 2>&1
 324 if test $? -ne 0 ; then
 325         mv -f $TMPH config.h
 326 else
 327         echo "config.h is unchanged"
 328 fi
 329
 330 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH