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 $targetos in
  68 MINGW32*)
  69 mingw32="yes"
  70 ;;
  71 DragonFly)
  72 noldl="yes"
  73 ;;
  74 OpenBSD)
  75 noldl="yes"
  76 ;;
  77 *) ;;
  78 esac
  79
  80 # find source path
  81 # XXX: we assume an absolute path is given when launching configure,
  82 # except in './configure' case.
  83 source_path=${0%configure}
  84 source_path=${source_path%/}
  85 source_path_used="yes"
  86 if test -z "$source_path" -o "$source_path" = "." ; then
  87     source_path=`pwd`
  88     source_path_used="no"
  89 fi
  90
  91 for opt do
  92   case "$opt" in
  93   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  94   ;;
  95   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
  96   ;;
  97   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
  98   ;;
  99   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 100   ;;
 101   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 102   ;;
 103   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 104   ;;
 105   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 106   ;;
 107   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 108   ;;
 109   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 110   ;;
 111   --make=*) make=`echo $opt | cut -d '=' -f 2`
 112   ;;
 113   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 114   ;;
 115   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 116   ;;
 117   --extra-libs=*) extralibs=${opt#--extra-libs=}
 118   ;;
 119   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 120   ;;
 121   --enable-gprof) gprof="yes"
 122   ;;
 123   --enable-mingw32) mingw32="yes" ; cross_prefix="i386-mingw32-"
 124   ;;
 125   --enable-cross) build_cross="yes"
 126   ;;
 127   esac
 128 done
 129
 130 # Checking for CFLAGS
 131 if test -z "$CFLAGS"; then
 132     CFLAGS="-O2"
 133 fi
 134
 135 cc="${cross_prefix}${cc}"
 136 ar="${cross_prefix}${ar}"
 137 strip="${cross_prefix}${strip}"
 138
 139 if test "$mingw32" = "yes" ; then
 140     LIBSUF=".lib"
 141     EXESUF=".exe"
 142 fi
 143
 144 if test -z "$cross_prefix" ; then
 145
 146 # ---
 147 # big/little endian test
 148 cat > $TMPC << EOF
 149 #include <inttypes.h>
 150 int main(int argc, char ** argv){
 151     volatile uint32_t i=0x01234567;
 152     return (*((uint8_t*)(&i))) == 0x67;
 153 }
 154 EOF
 155
 156 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 157     $TMPE && bigendian="yes"
 158 else
 159     echo big/little test failed
 160 fi
 161
 162 else
 163
 164 # if cross compiling, cannot launch a program, so make a static guess
 165 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 166     bigendian="yes"
 167 fi
 168
 169 fi
 170
 171 # check gcc version
 172 cat > $TMPC <<EOF
 173 int main(void) {
 174 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 175 return 0;
 176 #else
 177 #error gcc < 3.2
 178 #endif
 179 }
 180 EOF
 181
 182 gcc_major="2"
 183 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 184     gcc_major="3"
 185 fi
 186 cat > $TMPC <<EOF
 187 int main(void) {
 188 #if __GNUC__ >= 4
 189 return 0;
 190 #else
 191 #error gcc < 4
 192 #endif
 193 }
 194 EOF
 195
 196 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 197     gcc_major="4"
 198 fi
 199
 200 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 201 cat << EOF
 202
 203 Usage: configure [options]
 204 Options: [defaults in brackets after descriptions]
 205
 206 EOF
 207 echo "Standard options:"
 208 echo "  --help                   print this message"
 209 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 210 echo "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 211 echo "                           [same as prefix]"
 212 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 213 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 214 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 215 echo "  --mandir=DIR             man documentation in DIR [PREFIX/man]"
 216 echo "  --enable-cross           build cross compilers"
 217 echo ""
 218 echo "Advanced options (experts only):"
 219 echo "  --source-path=PATH       path of source code [$source_path]"
 220 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 221 echo "  --cc=CC                  use C compiler CC [$cc]"
 222 echo "  --make=MAKE              use specified make [$make]"
 223 echo ""
 224 #echo "NOTE: The object files are build at the place where configure is launched"
 225 exit 1
 226 fi
 227
 228 if test "$mingw32" = "yes" ; then
 229     if test -z "$prefix" ; then
 230         prefix="/c/Program Files/tcc"
 231     fi
 232     execprefix="$prefix"
 233     bindir="$prefix"
 234     tccdir="$prefix"
 235     docdir="$prefix/doc"
 236 else
 237     if test -z "$prefix" ; then
 238         prefix="/usr/local"
 239     fi
 240     if test x"$execprefix" = x""; then
 241         execprefix="${prefix}"
 242     fi
 243     if test x"$bindir" = x""; then
 244         bindir="${execprefix}/bin"
 245     fi
 246     if test x"$docdir" = x""; then
 247         docdir="$prefix/share/doc/tcc"
 248     fi
 249 fi # mingw32
 250
 251 if test x"$libdir" = x""; then
 252 libdir="${execprefix}/lib"
 253 fi
 254 if test x"$tccdir" = x""; then
 255 tccdir="${execprefix}/lib/tcc"
 256 fi
 257 if test x"$mandir" = x""; then
 258 mandir="${prefix}/man"
 259 fi
 260 if test x"$includedir" = x""; then
 261 includedir="${prefix}/include"
 262 fi
 263
 264 echo "Binary  directory   $bindir"
 265 echo "TinyCC directory    $tccdir"
 266 echo "Library directory   $libdir"
 267 echo "Include directory   $includedir"
 268 echo "Manual directory    $mandir"
 269 echo "Doc directory       $docdir"
 270 echo "Source path      $source_path"
 271 echo "C compiler       $cc"
 272 echo "make             $make"
 273 echo "CPU              $cpu"
 274 echo "Big Endian       $bigendian"
 275 echo "gprof enabled    $gprof"
 276 echo "cross compilers  $build_cross"
 277
 278 echo "Creating config.mak and config.h"
 279
 280 echo "# Automatically generated by configure - do not modify" > config.mak
 281 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 282
 283 echo "prefix=$prefix" >> config.mak
 284 echo "bindir=$bindir" >> config.mak
 285 echo "tccdir=$tccdir" >> config.mak
 286 echo "libdir=$libdir" >> config.mak
 287 echo "includedir=$includedir" >> config.mak
 288 echo "mandir=$mandir" >> config.mak
 289 echo "docdir=$docdir" >> config.mak
 290 echo "#define CONFIG_TCCDIR \"$tccdir\"" >> $TMPH
 291 echo "MAKE=$make" >> config.mak
 292 echo "CC=$cc" >> config.mak
 293 echo "GCC_MAJOR=$gcc_major" >> config.mak
 294 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 295 echo "HOST_CC=$host_cc" >> config.mak
 296 echo "AR=$ar" >> config.mak
 297 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 298 echo "CFLAGS=$CFLAGS" >> config.mak
 299 echo "LDFLAGS=$LDFLAGS" >> config.mak
 300 echo "LIBSUF=$LIBSUF" >> config.mak
 301 echo "EXESUF=$EXESUF" >> config.mak
 302 if test "$cpu" = "x86" ; then
 303   echo "ARCH=i386" >> config.mak
 304   echo "#define HOST_I386 1" >> $TMPH
 305 elif test "$cpu" = "armv4l" ; then
 306   echo "ARCH=arm" >> config.mak
 307   echo "#define HOST_ARM 1" >> $TMPH
 308 elif test "$cpu" = "powerpc" ; then
 309   echo "ARCH=ppc" >> config.mak
 310   echo "#define HOST_PPC 1" >> $TMPH
 311 elif test "$cpu" = "mips" ; then
 312   echo "ARCH=mips" >> config.mak
 313   echo "#define HOST_MIPS 1" >> $TMPH
 314 elif test "$cpu" = "s390" ; then
 315   echo "ARCH=s390" >> config.mak
 316   echo "#define HOST_S390 1" >> $TMPH
 317 elif test "$cpu" = "alpha" ; then
 318   echo "ARCH=alpha" >> config.mak
 319   echo "#define HOST_ALPHA 1" >> $TMPH
 320 else
 321   echo "Unsupported CPU"
 322   exit 1
 323 fi
 324 if test "$noldl" = "yes" ; then
 325   echo "CONFIG_NOLDL=yes" >> config.mak
 326 fi
 327 if test "$mingw32" = "yes" ; then
 328   echo "CONFIG_WIN32=yes" >> config.mak
 329   echo "#define CONFIG_WIN32 1" >> $TMPH
 330 fi
 331 if test "$bigendian" = "yes" ; then
 332   echo "WORDS_BIGENDIAN=yes" >> config.mak
 333   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 334 fi
 335 if test "$gprof" = "yes" ; then
 336   echo "TARGET_GPROF=yes" >> config.mak
 337   echo "#define HAVE_GPROF 1" >> $TMPH
 338 fi
 339 if test "$build_cross" = "yes" ; then
 340   echo "CONFIG_CROSS=yes" >> config.mak
 341 fi
 342 version=`head $source_path/VERSION`
 343 echo "VERSION=$version" >>config.mak
 344 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 345 echo "@set VERSION $version" > config.texi
 346
 347 # build tree in object directory if source path is different from current one
 348 if test "$source_path_used" = "yes" ; then
 349     DIRS="tests"
 350     FILES="Makefile tests/Makefile"
 351     for dir in $DIRS ; do
 352         mkdir -p $dir
 353     done
 354     for f in $FILES ; do
 355         ln -sf $source_path/$f $f
 356     done
 357 fi
 358 echo "SRC_PATH=$source_path" >> config.mak
 359
 360 diff $TMPH config.h >/dev/null 2>&1
 361 if test $? -ne 0 ; then
 362     mv -f $TMPH config.h
 363 else
 364     echo "config.h is unchanged"
 365 fi
 366
 367 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH