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 # bashism: TMPN="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.c"
  15 TMPN="./conftest-$$"
  16
  17 TMPC=$TMPN.c
  18 TMPH=$TMPN.h
  19 TMPO=$TMPN.o
  20 TMPE=$TMPN
  21
  22 # default parameters
  23 build_cross="no"
  24 use_libgcc="no"
  25 prefix=""
  26 execprefix=""
  27 bindir=""
  28 libdir=""
  29 tccdir=""
  30 includedir=""
  31 mandir=""
  32 infodir=""
  33 sysroot=""
  34 cross_prefix=""
  35 cc="gcc"
  36 host_cc="gcc"
  37 ar="ar"
  38 strip="strip"
  39 cygwin="no"
  40 cpu=`uname -m`
  41 case "$cpu" in
  42   i386|i486|i586|i686|i86pc|BePC|i686-AT386)
  43     cpu="x86"
  44   ;;
  45   x86_64)
  46     cpu="x86-64"
  47   ;;
  48   arm|armv4l|armv5tel|armv5tejl|armv6j|armv7a|armv7l)
  49     cpu="armv4l"
  50   ;;
  51   alpha)
  52     cpu="alpha"
  53   ;;
  54   "Power Macintosh"|ppc|ppc64)
  55     cpu="powerpc"
  56   ;;
  57   mips)
  58     cpu="mips"
  59   ;;
  60   s390)
  61     cpu="s390"
  62   ;;
  63   *)
  64     cpu="unknown"
  65   ;;
  66 esac
  67 gprof="no"
  68 bigendian="no"
  69 mingw32="no"
  70 LIBSUF=".a"
  71 EXESUF=""
  72
  73 # OS specific
  74 targetos=`uname -s`
  75 case $targetos in
  76 MINGW32*)
  77 mingw32="yes"
  78 ;;
  79 DragonFly)
  80 noldl="yes"
  81 ;;
  82 OpenBSD)
  83 noldl="yes"
  84 ;;
  85 *) ;;
  86 esac
  87
  88 # find source path
  89 # XXX: we assume an absolute path is given when launching configure,
  90 # except in './configure' case.
  91 source_path=${0%configure}
  92 source_path=${source_path%/}
  93 source_path_used="yes"
  94 if test -z "$source_path" -o "$source_path" = "." ; then
  95     source_path=`pwd`
  96     source_path_used="no"
  97 fi
  98
  99 for opt do
 100   case "$opt" in
 101   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 102   ;;
 103   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 104   ;;
 105   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
 106   ;;
 107   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 108   ;;
 109   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 110   ;;
 111   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 112   ;;
 113   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 114   ;;
 115   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 116   ;;
 117   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 118   ;;
 119   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 120   ;;
 121   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 122   ;;
 123   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 124   ;;
 125   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 126   ;;
 127   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 128   ;;
 129   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 130   ;;
 131   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 132   ;;
 133   --extra-libs=*) extralibs=${opt#--extra-libs=}
 134   ;;
 135   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 136   ;;
 137   --enable-gprof) gprof="yes"
 138   ;;
 139   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 140   ;;
 141   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 142   ;;
 143   --enable-cross) build_cross="yes"
 144   ;;
 145   --disable-static) disable_static="yes"
 146   ;;
 147   --disable-rpath) disable_rpath="yes"
 148   ;;
 149   --strip-binaries) strip_binaries="yes"
 150   ;;
 151   --with-libgcc) use_libgcc="yes"
 152   ;;
 153   --with-selinux) have_selinux="yes"
 154   ;;
 155   --help|-h) show_help="yes"
 156   ;;
 157   esac
 158 done
 159
 160 # Checking for CFLAGS
 161 if test -z "$CFLAGS"; then
 162     CFLAGS="-Wall -g -O2"
 163 fi
 164
 165 cc="${cross_prefix}${cc}"
 166 ar="${cross_prefix}${ar}"
 167 strip="${cross_prefix}${strip}"
 168
 169 if test "$mingw32" = "yes" ; then
 170     LIBSUF=".lib"
 171     EXESUF=".exe"
 172 fi
 173
 174 if test -z "$cross_prefix" ; then
 175
 176 # ---
 177 # big/little endian test
 178 cat > $TMPC << EOF
 179 #include <inttypes.h>
 180 int main(int argc, char ** argv){
 181     volatile uint32_t i=0x01234567;
 182     return (*((uint8_t*)(&i))) == 0x67;
 183 }
 184 EOF
 185
 186 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 187     $TMPE && bigendian="yes"
 188 else
 189     echo big/little test failed
 190 fi
 191
 192 else
 193
 194 # if cross compiling, cannot launch a program, so make a static guess
 195 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 196     bigendian="yes"
 197 fi
 198
 199 fi
 200
 201 # check gcc version
 202 cat > $TMPC <<EOF
 203 int main(void) {
 204 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 205 return 0;
 206 #else
 207 #error gcc < 3.2
 208 #endif
 209 }
 210 EOF
 211
 212 gcc_major="2"
 213 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 214     gcc_major="3"
 215 fi
 216 cat > $TMPC <<EOF
 217 int main(void) {
 218 #if __GNUC__ >= 4
 219 return 0;
 220 #else
 221 #error gcc < 4
 222 #endif
 223 }
 224 EOF
 225
 226 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 227     gcc_major="4"
 228 fi
 229
 230 if test x"$show_help" = "xyes" ; then
 231 cat << EOF
 232
 233 Usage: configure [options]
 234 Options: [defaults in brackets after descriptions]
 235
 236 EOF
 237 echo "Standard options:"
 238 echo "  --help                   print this message"
 239 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 240 echo "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 241 echo "                           [same as prefix]"
 242 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 243 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 244 echo "  --tccdir=DIR             installation directory [EPREFIX/lib/tcc]"
 245 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 246 echo "  --sharedir=DIR           documentation root DIR [PREFIX]/share"
 247 echo "  --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]"
 248 echo "  --mandir=DIR             man documentation in DIR [SHAREDIR/man]"
 249 echo "  --infodir=DIR            info documentation in DIR [SHAREDIR/info]"
 250 echo ""
 251 echo "Advanced options (experts only):"
 252 echo "  --source-path=PATH       path of source code [$source_path]"
 253 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 254 echo "  --sysroot=PREFIX         prepend PREFIX to library/include paths []"
 255 echo "  --cc=CC                  use C compiler CC [$cc]"
 256 echo "  --disable-static         make libtcc.so instead of libtcc.a"
 257 echo "  --disable-rpath          disable use of -rpath with the above"
 258 echo "  --strip-binaries         strip symbol tables from resulting binaries"
 259 echo "  --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc.a"
 260 echo "  --enable-mingw32         build windows version on linux with mingw32"
 261 echo "  --enable-cygwin          build windows version on windows with cygwin"
 262 echo "                           [requires cygwin and mingw32-make]"
 263 echo "  --enable-cross           build cross compilers"
 264 echo "  --extra-cflags=          extra compiler flags"
 265 echo "  --extra-ldflags=         extra linker options"
 266 echo "  --with-selinux           use mmap instead of exec mem"
 267 echo "                           [requires write access to /tmp]"
 268 echo ""
 269 #echo "NOTE: The object files are build at the place where configure is launched"
 270 exit 1
 271 fi
 272
 273 if test "$mingw32" = "yes" ; then
 274     if test x"$tccdir" = x""; then
 275     tccdir="tcc"
 276     fi
 277     if test -z "$prefix" ; then
 278     prefix="C:/Program Files/${tccdir}"
 279     fi
 280     if test -z "$sharedir" ; then
 281     sharedir="${prefix}"
 282     fi
 283     execprefix="$prefix"
 284     bindir="${prefix}"
 285     tccdir="${prefix}"
 286     libdir="${prefix}/lib"
 287     docdir="${sharedir}/doc"
 288     mandir="${sharedir}/man"
 289     infodir="${sharedir}/info"
 290 else
 291     if test -z "$prefix" ; then
 292     prefix="/usr/local"
 293     fi
 294     if test -z "$sharedir" ; then
 295     sharedir="${prefix}/share"
 296     fi
 297     if test x"$execprefix" = x""; then
 298     execprefix="${prefix}"
 299     fi
 300     if test x"$libdir" = x""; then
 301     libdir="${execprefix}/lib"
 302     fi
 303     if test x"$bindir" = x""; then
 304     bindir="${execprefix}/bin"
 305     fi
 306     if test x"$tccdir" = x""; then
 307     tccdir="tcc"
 308     fi
 309     if test x"$docdir" = x""; then
 310     docdir="${sharedir}/doc/${tccdir}"
 311     fi
 312     if test x"$mandir" = x""; then
 313     mandir="${sharedir}/man"
 314     fi
 315     if test x"$infodir" = x""; then
 316     infodir="${sharedir}/info"
 317     fi
 318     tccdir="${libdir}/${tccdir}"
 319 fi # mingw32
 320
 321 if test x"$includedir" = x""; then
 322 includedir="${prefix}/include"
 323 fi
 324
 325 echo "Binary  directory   $bindir"
 326 echo "TinyCC directory    $tccdir"
 327 echo "Library directory   $libdir"
 328 echo "Include directory   $includedir"
 329 echo "Manual directory    $mandir"
 330 echo "Info directory      $infodir"
 331 echo "Doc directory       $docdir"
 332 echo "Target root prefix  $sysroot"
 333 echo "Source path      $source_path"
 334 echo "C compiler       $cc"
 335 echo "CPU              $cpu"
 336 echo "Big Endian       $bigendian"
 337 echo "gprof enabled    $gprof"
 338 echo "cross compilers  $build_cross"
 339 echo "use libgcc       $use_libgcc"
 340
 341 echo "Creating config.mak and config.h"
 342
 343 echo "# Automatically generated by configure - do not modify" > config.mak
 344 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 345
 346 echo "prefix=$prefix" >> config.mak
 347 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
 348 echo "tccdir=\$(DESTDIR)$tccdir" >> config.mak
 349 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
 350 echo "ln_libdir=$libdir" >> config.mak
 351 echo "includedir=\$(DESTDIR)$includedir" >> config.mak
 352 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
 353 echo "infodir=\$(DESTDIR)$infodir" >> config.mak
 354 echo "docdir=\$(DESTDIR)$docdir" >> config.mak
 355
 356 echo "#ifndef CONFIG_SYSROOT" >> $TMPH
 357 echo "#define CONFIG_SYSROOT \"$sysroot\"" >> $TMPH
 358 echo "#endif" >> $TMPH
 359 echo "#ifndef CONFIG_TCCDIR" >> $TMPH
 360 echo "#define CONFIG_TCCDIR \"$tccdir\"" >> $TMPH
 361 echo "#endif" >> $TMPH
 362 echo "CC=$cc" >> config.mak
 363 echo "GCC_MAJOR=$gcc_major" >> config.mak
 364 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 365 echo "HOST_CC=$host_cc" >> config.mak
 366 echo "AR=$ar" >> config.mak
 367 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 368 echo "CFLAGS=$CFLAGS" >> config.mak
 369 echo "LDFLAGS=$LDFLAGS" >> config.mak
 370 echo "LIBSUF=$LIBSUF" >> config.mak
 371 echo "EXESUF=$EXESUF" >> config.mak
 372 if test "$cpu" = "x86" ; then
 373   echo "ARCH=i386" >> config.mak
 374   echo "#define HOST_I386 1" >> $TMPH
 375 elif test "$cpu" = "x86-64" ; then
 376   echo "ARCH=x86-64" >> config.mak
 377   echo "#define HOST_X86_64 1" >> $TMPH
 378 elif test "$cpu" = "armv4l" ; then
 379   echo "ARCH=arm" >> config.mak
 380   echo "#define HOST_ARM 1" >> $TMPH
 381 elif test "$cpu" = "powerpc" ; then
 382   echo "ARCH=ppc" >> config.mak
 383   echo "#define HOST_PPC 1" >> $TMPH
 384 elif test "$cpu" = "mips" ; then
 385   echo "ARCH=mips" >> config.mak
 386   echo "#define HOST_MIPS 1" >> $TMPH
 387 elif test "$cpu" = "s390" ; then
 388   echo "ARCH=s390" >> config.mak
 389   echo "#define HOST_S390 1" >> $TMPH
 390 elif test "$cpu" = "alpha" ; then
 391   echo "ARCH=alpha" >> config.mak
 392   echo "#define HOST_ALPHA 1" >> $TMPH
 393 else
 394   echo "Unsupported CPU"
 395   exit 1
 396 fi
 397 if test "$noldl" = "yes" ; then
 398   echo "CONFIG_NOLDL=yes" >> config.mak
 399 fi
 400 if test "$mingw32" = "yes" ; then
 401   echo "CONFIG_WIN32=yes" >> config.mak
 402   echo "#define CONFIG_WIN32 1" >> $TMPH
 403 fi
 404 if test "$cygwin" = "yes" ; then
 405   echo "#ifndef _WIN32" >> $TMPH
 406   echo "#define _WIN32" >> $TMPH
 407   echo "#endif" >> $TMPH
 408   echo "AR=ar" >> config.mak
 409 fi
 410 if test "$bigendian" = "yes" ; then
 411   echo "WORDS_BIGENDIAN=yes" >> config.mak
 412   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 413 fi
 414 if test "$gprof" = "yes" ; then
 415   echo "TARGET_GPROF=yes" >> config.mak
 416   echo "#define HAVE_GPROF 1" >> $TMPH
 417 fi
 418 if test "$build_cross" = "yes" ; then
 419   echo "CONFIG_CROSS=yes" >> config.mak
 420 fi
 421 if test "$disable_static" = "yes" ; then
 422   echo "DISABLE_STATIC=yes" >> config.mak
 423 fi
 424 if test "$disable_rpath" = "yes" ; then
 425   echo "DISABLE_RPATH=yes" >> config.mak
 426 fi
 427 if test "$strip_binaries" = "yes" ; then
 428   echo "STRIP_BINARIES=yes" >> config.mak
 429 fi
 430 if test "$use_libgcc" = "yes" ; then
 431   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 432   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 433 fi
 434 if test "$have_selinux" = "yes" ; then
 435   echo "#define HAVE_SELINUX" >> $TMPH
 436   echo "HAVE_SELINUX=yes" >> config.mak
 437 fi
 438 version=`head $source_path/VERSION`
 439 echo "VERSION=$version" >>config.mak
 440 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 441 echo "@set VERSION $version" > config.texi
 442
 443 # build tree in object directory if source path is different from current one
 444 if test "$source_path_used" = "yes" ; then
 445     DIRS="tests"
 446     FILES="Makefile tests/Makefile"
 447     for dir in $DIRS ; do
 448         mkdir -p $dir
 449     done
 450     for f in $FILES ; do
 451         ln -sf $source_path/$f $f
 452     done
 453 fi
 454 echo "SRC_PATH=$source_path" >> config.mak
 455
 456 diff $TMPH config.h >/dev/null 2>&1
 457 if test $? -ne 0 ; then
 458     mv -f $TMPH config.h
 459 else
 460     echo "config.h is unchanged"
 461 fi
 462
 463 rm -f $TMPN*