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}-$$-${RANDOM}.h"
  19
  20 # default parameters
  21 build_cross="no"
  22 use_libgcc="no"
  23 prefix=""
  24 execprefix=""
  25 bindir=""
  26 libdir=""
  27 tccdir=""
  28 includedir=""
  29 mandir=""
  30 sysroot=""
  31 cross_prefix=""
  32 cc="gcc"
  33 host_cc="gcc"
  34 ar="ar"
  35 make="make"
  36 strip="strip"
  37 cpu=`uname -m`
  38 case "$cpu" in
  39   i386|i486|i586|i686|i86pc|BePC)
  40     cpu="x86"
  41   ;;
  42   x86_64)
  43     cpu="x86-64"
  44   ;;
  45   armv4l)
  46     cpu="armv4l"
  47   ;;
  48   alpha)
  49     cpu="alpha"
  50   ;;
  51   "Power Macintosh"|ppc|ppc64)
  52     cpu="powerpc"
  53   ;;
  54   mips)
  55     cpu="mips"
  56   ;;
  57   s390)
  58     cpu="s390"
  59   ;;
  60   *)
  61     cpu="unknown"
  62   ;;
  63 esac
  64 gprof="no"
  65 bigendian="no"
  66 mingw32="no"
  67 LIBSUF=".a"
  68 EXESUF=""
  69
  70 # OS specific
  71 targetos=`uname -s`
  72 case $targetos in
  73 MINGW32*)
  74 mingw32="yes"
  75 ;;
  76 DragonFly)
  77 noldl="yes"
  78 ;;
  79 OpenBSD)
  80 noldl="yes"
  81 ;;
  82 *) ;;
  83 esac
  84
  85 # find source path
  86 # XXX: we assume an absolute path is given when launching configure,
  87 # except in './configure' case.
  88 source_path=${0%configure}
  89 source_path=${source_path%/}
  90 source_path_used="yes"
  91 if test -z "$source_path" -o "$source_path" = "." ; then
  92     source_path=`pwd`
  93     source_path_used="no"
  94 fi
  95
  96 for opt do
  97   case "$opt" in
  98   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  99   ;;
 100   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 101   ;;
 102   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 103   ;;
 104   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 105   ;;
 106   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 107   ;;
 108   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 109   ;;
 110   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 111   ;;
 112   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 113   ;;
 114   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 115   ;;
 116   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 117   ;;
 118   --make=*) make=`echo $opt | cut -d '=' -f 2`
 119   ;;
 120   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 121   ;;
 122   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 123   ;;
 124   --extra-libs=*) extralibs=${opt#--extra-libs=}
 125   ;;
 126   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 127   ;;
 128   --enable-gprof) gprof="yes"
 129   ;;
 130   --enable-mingw32) mingw32="yes" ; cross_prefix="i386-mingw32-"
 131   ;;
 132   --enable-cross) build_cross="yes"
 133   ;;
 134   --with-libgcc) use_libgcc="yes"
 135   ;;
 136   esac
 137 done
 138
 139 # Checking for CFLAGS
 140 if test -z "$CFLAGS"; then
 141     CFLAGS="-O2"
 142 fi
 143
 144 cc="${cross_prefix}${cc}"
 145 ar="${cross_prefix}${ar}"
 146 strip="${cross_prefix}${strip}"
 147
 148 if test "$mingw32" = "yes" ; then
 149     LIBSUF=".lib"
 150     EXESUF=".exe"
 151 fi
 152
 153 if test -z "$cross_prefix" ; then
 154
 155 # ---
 156 # big/little endian test
 157 cat > $TMPC << EOF
 158 #include <inttypes.h>
 159 int main(int argc, char ** argv){
 160     volatile uint32_t i=0x01234567;
 161     return (*((uint8_t*)(&i))) == 0x67;
 162 }
 163 EOF
 164
 165 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 166     $TMPE && bigendian="yes"
 167 else
 168     echo big/little test failed
 169 fi
 170
 171 else
 172
 173 # if cross compiling, cannot launch a program, so make a static guess
 174 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 175     bigendian="yes"
 176 fi
 177
 178 fi
 179
 180 # check gcc version
 181 cat > $TMPC <<EOF
 182 int main(void) {
 183 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 184 return 0;
 185 #else
 186 #error gcc < 3.2
 187 #endif
 188 }
 189 EOF
 190
 191 gcc_major="2"
 192 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 193     gcc_major="3"
 194 fi
 195 cat > $TMPC <<EOF
 196 int main(void) {
 197 #if __GNUC__ >= 4
 198 return 0;
 199 #else
 200 #error gcc < 4
 201 #endif
 202 }
 203 EOF
 204
 205 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 206     gcc_major="4"
 207 fi
 208
 209 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 210 cat << EOF
 211
 212 Usage: configure [options]
 213 Options: [defaults in brackets after descriptions]
 214
 215 EOF
 216 echo "Standard options:"
 217 echo "  --help                   print this message"
 218 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 219 echo "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 220 echo "                           [same as prefix]"
 221 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 222 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 223 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 224 echo "  --mandir=DIR             man documentation in DIR [PREFIX/man]"
 225 echo "  --enable-cross           build cross compilers"
 226 echo ""
 227 echo "Advanced options (experts only):"
 228 echo "  --source-path=PATH       path of source code [$source_path]"
 229 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 230 echo "  --sysroot=PREFIX         prepend PREFIX to library/include paths []"
 231 echo "  --cc=CC                  use C compiler CC [$cc]"
 232 echo "  --make=MAKE              use specified make [$make]"
 233 echo "  --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc1.a"
 234 echo ""
 235 #echo "NOTE: The object files are build at the place where configure is launched"
 236 exit 1
 237 fi
 238
 239 if test "$mingw32" = "yes" ; then
 240     if test -z "$prefix" ; then
 241         prefix="/c/Program Files/tcc"
 242     fi
 243     execprefix="$prefix"
 244     bindir="$prefix"
 245     tccdir="$prefix"
 246     docdir="$prefix/doc"
 247 else
 248     if test -z "$prefix" ; then
 249         prefix="/usr/local"
 250     fi
 251     if test x"$execprefix" = x""; then
 252         execprefix="${prefix}"
 253     fi
 254     if test x"$bindir" = x""; then
 255         bindir="${execprefix}/bin"
 256     fi
 257     if test x"$docdir" = x""; then
 258         docdir="$prefix/share/doc/tcc"
 259     fi
 260 fi # mingw32
 261
 262 if test x"$libdir" = x""; then
 263 libdir="${execprefix}/lib"
 264 fi
 265 if test x"$tccdir" = x""; then
 266 tccdir="${execprefix}/lib/tcc"
 267 fi
 268 if test x"$mandir" = x""; then
 269 mandir="${prefix}/man"
 270 fi
 271 if test x"$includedir" = x""; then
 272 includedir="${prefix}/include"
 273 fi
 274
 275 echo "Binary  directory   $bindir"
 276 echo "TinyCC directory    $tccdir"
 277 echo "Library directory   $libdir"
 278 echo "Include directory   $includedir"
 279 echo "Manual directory    $mandir"
 280 echo "Doc directory       $docdir"
 281 echo "Target root prefix  $sysroot"
 282 echo "Source path      $source_path"
 283 echo "C compiler       $cc"
 284 echo "make             $make"
 285 echo "CPU              $cpu"
 286 echo "Big Endian       $bigendian"
 287 echo "gprof enabled    $gprof"
 288 echo "cross compilers  $build_cross"
 289 echo "use libgcc       $use_libgcc"
 290
 291 echo "Creating config.mak and config.h"
 292
 293 echo "# Automatically generated by configure - do not modify" > config.mak
 294 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 295
 296 echo "prefix=$prefix" >> config.mak
 297 echo "bindir=$bindir" >> config.mak
 298 echo "tccdir=$tccdir" >> config.mak
 299 echo "libdir=$libdir" >> config.mak
 300 echo "includedir=$includedir" >> config.mak
 301 echo "mandir=$mandir" >> config.mak
 302 echo "docdir=$docdir" >> config.mak
 303 echo "#define CONFIG_SYSROOT \"$sysroot\"" >> $TMPH
 304 echo "#define CONFIG_TCCDIR \"$tccdir\"" >> $TMPH
 305 echo "MAKE=$make" >> config.mak
 306 echo "CC=$cc" >> config.mak
 307 echo "GCC_MAJOR=$gcc_major" >> config.mak
 308 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 309 echo "HOST_CC=$host_cc" >> config.mak
 310 echo "AR=$ar" >> config.mak
 311 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 312 echo "CFLAGS=$CFLAGS" >> config.mak
 313 echo "LDFLAGS=$LDFLAGS" >> config.mak
 314 echo "LIBSUF=$LIBSUF" >> config.mak
 315 echo "EXESUF=$EXESUF" >> config.mak
 316 if test "$cpu" = "x86" ; then
 317   echo "ARCH=i386" >> config.mak
 318   echo "#define HOST_I386 1" >> $TMPH
 319 elif test "$cpu" = "x86-64" ; then
 320   echo "ARCH=x86-64" >> config.mak
 321   echo "#define HOST_X86_64 1" >> $TMPH
 322 elif test "$cpu" = "armv4l" ; then
 323   echo "ARCH=arm" >> config.mak
 324   echo "#define HOST_ARM 1" >> $TMPH
 325 elif test "$cpu" = "powerpc" ; then
 326   echo "ARCH=ppc" >> config.mak
 327   echo "#define HOST_PPC 1" >> $TMPH
 328 elif test "$cpu" = "mips" ; then
 329   echo "ARCH=mips" >> config.mak
 330   echo "#define HOST_MIPS 1" >> $TMPH
 331 elif test "$cpu" = "s390" ; then
 332   echo "ARCH=s390" >> config.mak
 333   echo "#define HOST_S390 1" >> $TMPH
 334 elif test "$cpu" = "alpha" ; then
 335   echo "ARCH=alpha" >> config.mak
 336   echo "#define HOST_ALPHA 1" >> $TMPH
 337 else
 338   echo "Unsupported CPU"
 339   exit 1
 340 fi
 341 if test "$noldl" = "yes" ; then
 342   echo "CONFIG_NOLDL=yes" >> config.mak
 343 fi
 344 if test "$mingw32" = "yes" ; then
 345   echo "CONFIG_WIN32=yes" >> config.mak
 346   echo "#define CONFIG_WIN32 1" >> $TMPH
 347 fi
 348 if test "$bigendian" = "yes" ; then
 349   echo "WORDS_BIGENDIAN=yes" >> config.mak
 350   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 351 fi
 352 if test "$gprof" = "yes" ; then
 353   echo "TARGET_GPROF=yes" >> config.mak
 354   echo "#define HAVE_GPROF 1" >> $TMPH
 355 fi
 356 if test "$build_cross" = "yes" ; then
 357   echo "CONFIG_CROSS=yes" >> config.mak
 358 fi
 359 if test "$use_libgcc" = "yes" ; then
 360   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 361   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 362 fi
 363 version=`head $source_path/VERSION`
 364 echo "VERSION=$version" >>config.mak
 365 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 366 echo "@set VERSION $version" > config.texi
 367
 368 # build tree in object directory if source path is different from current one
 369 if test "$source_path_used" = "yes" ; then
 370     DIRS="tests"
 371     FILES="Makefile tests/Makefile"
 372     for dir in $DIRS ; do
 373         mkdir -p $dir
 374     done
 375     for f in $FILES ; do
 376         ln -sf $source_path/$f $f
 377     done
 378 fi
 379 echo "SRC_PATH=$source_path" >> config.mak
 380
 381 diff $TMPH config.h >/dev/null 2>&1
 382 if test $? -ne 0 ; then
 383     mv -f $TMPH config.h
 384 else
 385     echo "config.h is unchanged"
 386 fi
 387
 388 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH