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}-$$-${RANDOM}.h"
  19
  20 # default parameters
  21 build_cross="no"
  22 prefix=""
  23 execprefix=""
  24 bindir=""
  25 libdir=""
  26 tccdir=""
  27 includedir=""
  28 mandir=""
  29 sysroot=""
  30 cross_prefix=""
  31 cc="gcc"
  32 host_cc="gcc"
  33 ar="ar"
  34 make="make"
  35 strip="strip"
  36 cpu=`uname -m`
  37 case "$cpu" in
  38   i386|i486|i586|i686|i86pc|BePC)
  39     cpu="x86"
  40   ;;
  41   armv4l)
  42     cpu="armv4l"
  43   ;;
  44   alpha)
  45     cpu="alpha"
  46   ;;
  47   "Power Macintosh"|ppc|ppc64)
  48     cpu="powerpc"
  49   ;;
  50   mips)
  51     cpu="mips"
  52   ;;
  53   s390)
  54     cpu="s390"
  55   ;;
  56   *)
  57     cpu="unknown"
  58   ;;
  59 esac
  60 gprof="no"
  61 bigendian="no"
  62 mingw32="no"
  63 LIBSUF=".a"
  64 EXESUF=""
  65
  66 # OS specific
  67 targetos=`uname -s`
  68 case $targetos in
  69 MINGW32*)
  70 mingw32="yes"
  71 ;;
  72 DragonFly)
  73 noldl="yes"
  74 ;;
  75 OpenBSD)
  76 noldl="yes"
  77 ;;
  78 *) ;;
  79 esac
  80
  81 # find source path
  82 # XXX: we assume an absolute path is given when launching configure,
  83 # except in './configure' case.
  84 source_path=${0%configure}
  85 source_path=${source_path%/}
  86 source_path_used="yes"
  87 if test -z "$source_path" -o "$source_path" = "." ; then
  88     source_path=`pwd`
  89     source_path_used="no"
  90 fi
  91
  92 for opt do
  93   case "$opt" in
  94   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  95   ;;
  96   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
  97   ;;
  98   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
  99   ;;
 100   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 101   ;;
 102   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 103   ;;
 104   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 105   ;;
 106   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 107   ;;
 108   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 109   ;;
 110   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 111   ;;
 112   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 113   ;;
 114   --make=*) make=`echo $opt | cut -d '=' -f 2`
 115   ;;
 116   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 117   ;;
 118   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 119   ;;
 120   --extra-libs=*) extralibs=${opt#--extra-libs=}
 121   ;;
 122   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 123   ;;
 124   --enable-gprof) gprof="yes"
 125   ;;
 126   --enable-mingw32) mingw32="yes" ; cross_prefix="i386-mingw32-"
 127   ;;
 128   --enable-cross) build_cross="yes"
 129   ;;
 130   esac
 131 done
 132
 133 # Checking for CFLAGS
 134 if test -z "$CFLAGS"; then
 135     CFLAGS="-O2"
 136 fi
 137
 138 cc="${cross_prefix}${cc}"
 139 ar="${cross_prefix}${ar}"
 140 strip="${cross_prefix}${strip}"
 141
 142 if test "$mingw32" = "yes" ; then
 143     LIBSUF=".lib"
 144     EXESUF=".exe"
 145 fi
 146
 147 if test -z "$cross_prefix" ; then
 148
 149 # ---
 150 # big/little endian test
 151 cat > $TMPC << EOF
 152 #include <inttypes.h>
 153 int main(int argc, char ** argv){
 154     volatile uint32_t i=0x01234567;
 155     return (*((uint8_t*)(&i))) == 0x67;
 156 }
 157 EOF
 158
 159 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 160     $TMPE && bigendian="yes"
 161 else
 162     echo big/little test failed
 163 fi
 164
 165 else
 166
 167 # if cross compiling, cannot launch a program, so make a static guess
 168 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 169     bigendian="yes"
 170 fi
 171
 172 fi
 173
 174 # check gcc version
 175 cat > $TMPC <<EOF
 176 int main(void) {
 177 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 178 return 0;
 179 #else
 180 #error gcc < 3.2
 181 #endif
 182 }
 183 EOF
 184
 185 gcc_major="2"
 186 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 187     gcc_major="3"
 188 fi
 189 cat > $TMPC <<EOF
 190 int main(void) {
 191 #if __GNUC__ >= 4
 192 return 0;
 193 #else
 194 #error gcc < 4
 195 #endif
 196 }
 197 EOF
 198
 199 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 200     gcc_major="4"
 201 fi
 202
 203 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 204 cat << EOF
 205
 206 Usage: configure [options]
 207 Options: [defaults in brackets after descriptions]
 208
 209 EOF
 210 echo "Standard options:"
 211 echo "  --help                   print this message"
 212 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 213 echo "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 214 echo "                           [same as prefix]"
 215 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 216 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 217 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 218 echo "  --mandir=DIR             man documentation in DIR [PREFIX/man]"
 219 echo "  --enable-cross           build cross compilers"
 220 echo ""
 221 echo "Advanced options (experts only):"
 222 echo "  --source-path=PATH       path of source code [$source_path]"
 223 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 224 echo "  --sysroot=PREFIX         prepend PREFIX to library/include paths []"
 225 echo "  --cc=CC                  use C compiler CC [$cc]"
 226 echo "  --make=MAKE              use specified make [$make]"
 227 echo ""
 228 #echo "NOTE: The object files are build at the place where configure is launched"
 229 exit 1
 230 fi
 231
 232 if test "$mingw32" = "yes" ; then
 233     if test -z "$prefix" ; then
 234         prefix="/c/Program Files/tcc"
 235     fi
 236     execprefix="$prefix"
 237     bindir="$prefix"
 238     tccdir="$prefix"
 239     docdir="$prefix/doc"
 240 else
 241     if test -z "$prefix" ; then
 242         prefix="/usr/local"
 243     fi
 244     if test x"$execprefix" = x""; then
 245         execprefix="${prefix}"
 246     fi
 247     if test x"$bindir" = x""; then
 248         bindir="${execprefix}/bin"
 249     fi
 250     if test x"$docdir" = x""; then
 251         docdir="$prefix/share/doc/tcc"
 252     fi
 253 fi # mingw32
 254
 255 if test x"$libdir" = x""; then
 256 libdir="${execprefix}/lib"
 257 fi
 258 if test x"$tccdir" = x""; then
 259 tccdir="${execprefix}/lib/tcc"
 260 fi
 261 if test x"$mandir" = x""; then
 262 mandir="${prefix}/man"
 263 fi
 264 if test x"$includedir" = x""; then
 265 includedir="${prefix}/include"
 266 fi
 267
 268 echo "Binary  directory   $bindir"
 269 echo "TinyCC directory    $tccdir"
 270 echo "Library directory   $libdir"
 271 echo "Include directory   $includedir"
 272 echo "Manual directory    $mandir"
 273 echo "Doc directory       $docdir"
 274 echo "Target root prefix  $sysroot"
 275 echo "Source path      $source_path"
 276 echo "C compiler       $cc"
 277 echo "make             $make"
 278 echo "CPU              $cpu"
 279 echo "Big Endian       $bigendian"
 280 echo "gprof enabled    $gprof"
 281 echo "cross compilers  $build_cross"
 282
 283 echo "Creating config.mak and config.h"
 284
 285 echo "# Automatically generated by configure - do not modify" > config.mak
 286 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 287
 288 echo "prefix=$prefix" >> config.mak
 289 echo "bindir=$bindir" >> config.mak
 290 echo "tccdir=$tccdir" >> config.mak
 291 echo "libdir=$libdir" >> config.mak
 292 echo "includedir=$includedir" >> config.mak
 293 echo "mandir=$mandir" >> config.mak
 294 echo "docdir=$docdir" >> config.mak
 295 echo "#define CONFIG_SYSROOT \"$sysroot\"" >> $TMPH
 296 echo "#define CONFIG_TCCDIR \"$tccdir\"" >> $TMPH
 297 echo "MAKE=$make" >> config.mak
 298 echo "CC=$cc" >> config.mak
 299 echo "GCC_MAJOR=$gcc_major" >> config.mak
 300 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 301 echo "HOST_CC=$host_cc" >> config.mak
 302 echo "AR=$ar" >> config.mak
 303 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 304 echo "CFLAGS=$CFLAGS" >> config.mak
 305 echo "LDFLAGS=$LDFLAGS" >> config.mak
 306 echo "LIBSUF=$LIBSUF" >> config.mak
 307 echo "EXESUF=$EXESUF" >> config.mak
 308 if test "$cpu" = "x86" ; then
 309   echo "ARCH=i386" >> config.mak
 310   echo "#define HOST_I386 1" >> $TMPH
 311 elif test "$cpu" = "armv4l" ; then
 312   echo "ARCH=arm" >> config.mak
 313   echo "#define HOST_ARM 1" >> $TMPH
 314 elif test "$cpu" = "powerpc" ; then
 315   echo "ARCH=ppc" >> config.mak
 316   echo "#define HOST_PPC 1" >> $TMPH
 317 elif test "$cpu" = "mips" ; then
 318   echo "ARCH=mips" >> config.mak
 319   echo "#define HOST_MIPS 1" >> $TMPH
 320 elif test "$cpu" = "s390" ; then
 321   echo "ARCH=s390" >> config.mak
 322   echo "#define HOST_S390 1" >> $TMPH
 323 elif test "$cpu" = "alpha" ; then
 324   echo "ARCH=alpha" >> config.mak
 325   echo "#define HOST_ALPHA 1" >> $TMPH
 326 else
 327   echo "Unsupported CPU"
 328   exit 1
 329 fi
 330 if test "$noldl" = "yes" ; then
 331   echo "CONFIG_NOLDL=yes" >> config.mak
 332 fi
 333 if test "$mingw32" = "yes" ; then
 334   echo "CONFIG_WIN32=yes" >> config.mak
 335   echo "#define CONFIG_WIN32 1" >> $TMPH
 336 fi
 337 if test "$bigendian" = "yes" ; then
 338   echo "WORDS_BIGENDIAN=yes" >> config.mak
 339   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 340 fi
 341 if test "$gprof" = "yes" ; then
 342   echo "TARGET_GPROF=yes" >> config.mak
 343   echo "#define HAVE_GPROF 1" >> $TMPH
 344 fi
 345 if test "$build_cross" = "yes" ; then
 346   echo "CONFIG_CROSS=yes" >> config.mak
 347 fi
 348 version=`head $source_path/VERSION`
 349 echo "VERSION=$version" >>config.mak
 350 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 351 echo "@set VERSION $version" > config.texi
 352
 353 # build tree in object directory if source path is different from current one
 354 if test "$source_path_used" = "yes" ; then
 355     DIRS="tests"
 356     FILES="Makefile tests/Makefile"
 357     for dir in $DIRS ; do
 358         mkdir -p $dir
 359     done
 360     for f in $FILES ; do
 361         ln -sf $source_path/$f $f
 362     done
 363 fi
 364 echo "SRC_PATH=$source_path" >> config.mak
 365
 366 diff $TMPH config.h >/dev/null 2>&1
 367 if test $? -ne 0 ; then
 368     mv -f $TMPH config.h
 369 else
 370     echo "config.h is unchanged"
 371 fi
 372
 373 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH