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
  42 tcc_sysincludepaths=""
  43 tcc_libpaths=""
  44 tcc_crtprefix=""
  45 tcc_elfinterp=""
  46
  47 case "$cpu" in
  48   i386|i486|i586|i686|i86pc|BePC|i686-AT386)
  49     cpu="x86"
  50   ;;
  51   x86_64)
  52     cpu="x86-64"
  53   ;;
  54   arm|armv4l|armv5tel|armv5tejl|armv6j|armv7a|armv7l)
  55     cpu="armv4l"
  56   ;;
  57   alpha)
  58     cpu="alpha"
  59   ;;
  60   "Power Macintosh"|ppc|ppc64)
  61     cpu="powerpc"
  62   ;;
  63   mips)
  64     cpu="mips"
  65   ;;
  66   s390)
  67     cpu="s390"
  68   ;;
  69   *)
  70     cpu="unknown"
  71   ;;
  72 esac
  73 gprof="no"
  74 bigendian="no"
  75 mingw32="no"
  76 LIBSUF=".a"
  77 EXESUF=""
  78
  79 # OS specific
  80 targetos=`uname -s`
  81 case $targetos in
  82 MINGW32*)
  83 mingw32="yes"
  84 ;;
  85 DragonFly)
  86 noldl="yes"
  87 ;;
  88 OpenBSD)
  89 noldl="yes"
  90 ;;
  91 *) ;;
  92 esac
  93
  94 # find source path
  95 # XXX: we assume an absolute path is given when launching configure,
  96 # except in './configure' case.
  97 source_path=${0%configure}
  98 source_path=${source_path%/}
  99 source_path_used="yes"
 100 if test -z "$source_path" -o "$source_path" = "." ; then
 101     source_path=`pwd`
 102     source_path_used="no"
 103 fi
 104
 105 for opt do
 106   case "$opt" in
 107   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 108   ;;
 109   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 110   ;;
 111   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
 112   ;;
 113   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 114   ;;
 115   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 116   ;;
 117   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 118   ;;
 119   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 120   ;;
 121   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 122   ;;
 123   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 124   ;;
 125   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 126   ;;
 127   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 128   ;;
 129   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 130   ;;
 131   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 132   ;;
 133   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 134   ;;
 135   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 136   ;;
 137   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 138   ;;
 139   --extra-libs=*) extralibs=${opt#--extra-libs=}
 140   ;;
 141   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 142   ;;
 143   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 144   ;;
 145   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 146   ;;
 147   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 148   ;;
 149   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 150   ;;
 151   --enable-gprof) gprof="yes"
 152   ;;
 153   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 154   ;;
 155   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 156   ;;
 157   --enable-cross) build_cross="yes"
 158   ;;
 159   --disable-static) disable_static="yes"
 160   ;;
 161   --disable-rpath) disable_rpath="yes"
 162   ;;
 163   --strip-binaries) strip_binaries="yes"
 164   ;;
 165   --with-libgcc) use_libgcc="yes"
 166   ;;
 167   --with-selinux) have_selinux="yes"
 168   ;;
 169   --help|-h) show_help="yes"
 170   ;;
 171   *) echo "configure: unrecognized option $opt"; exit 1
 172   ;;
 173   esac
 174 done
 175
 176 # Checking for CFLAGS
 177 if test -z "$CFLAGS"; then
 178     CFLAGS="-Wall -g -O2"
 179 fi
 180
 181 cc="${cross_prefix}${cc}"
 182 ar="${cross_prefix}${ar}"
 183 strip="${cross_prefix}${strip}"
 184
 185 if test "$mingw32" = "yes" ; then
 186     LIBSUF=".lib"
 187     EXESUF=".exe"
 188 fi
 189
 190 if test -z "$cross_prefix" ; then
 191
 192 # ---
 193 # big/little endian test
 194 cat > $TMPC << EOF
 195 #include <inttypes.h>
 196 int main(int argc, char ** argv){
 197     volatile uint32_t i=0x01234567;
 198     return (*((uint8_t*)(&i))) == 0x67;
 199 }
 200 EOF
 201
 202 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 203     $TMPE && bigendian="yes"
 204 else
 205     echo big/little test failed
 206 fi
 207
 208 else
 209
 210 # if cross compiling, cannot launch a program, so make a static guess
 211 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 212     bigendian="yes"
 213 fi
 214
 215 fi
 216
 217 # check gcc version
 218 cat > $TMPC <<EOF
 219 int main(void) {
 220 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 221 return 0;
 222 #else
 223 #error gcc < 3.2
 224 #endif
 225 }
 226 EOF
 227
 228 gcc_major="2"
 229 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 230     gcc_major="3"
 231 fi
 232 cat > $TMPC <<EOF
 233 int main(void) {
 234 #if __GNUC__ >= 4
 235 return 0;
 236 #else
 237 #error gcc < 4
 238 #endif
 239 }
 240 EOF
 241
 242 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 243     gcc_major="4"
 244 fi
 245
 246 if test x"$show_help" = "xyes" ; then
 247 cat << EOF
 248
 249 Usage: configure [options]
 250 Options: [defaults in brackets after descriptions]
 251
 252 EOF
 253 echo "Standard options:"
 254 echo "  --help                   print this message"
 255 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 256 echo "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 257 echo "                           [same as prefix]"
 258 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 259 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 260 echo "  --tccdir=DIR             installation directory [EPREFIX/lib/tcc]"
 261 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 262 echo "  --sharedir=DIR           documentation root DIR [PREFIX]/share"
 263 echo "  --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]"
 264 echo "  --mandir=DIR             man documentation in DIR [SHAREDIR/man]"
 265 echo "  --infodir=DIR            info documentation in DIR [SHAREDIR/info]"
 266 echo ""
 267 echo "Advanced options (experts only):"
 268 echo "  --source-path=PATH       path of source code [$source_path]"
 269 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 270 echo "  --sysroot=PREFIX         prepend PREFIX to library/include paths []"
 271 echo "  --cc=CC                  use C compiler CC [$cc]"
 272 echo "  --disable-static         make libtcc.so instead of libtcc.a"
 273 echo "  --disable-rpath          disable use of -rpath with the above"
 274 echo "  --strip-binaries         strip symbol tables from resulting binaries"
 275 echo "  --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc.a"
 276 echo "  --enable-mingw32         build windows version on linux with mingw32"
 277 echo "  --enable-cygwin          build windows version on windows with cygwin"
 278 echo "                           [requires cygwin and mingw32-make]"
 279 echo "  --enable-cross           build cross compilers"
 280 echo "  --extra-cflags=          extra compiler flags"
 281 echo "  --extra-ldflags=         extra linker options"
 282 echo "  --with-selinux           use mmap instead of exec mem"
 283 echo "                           [requires write access to /tmp]"
 284 echo "  --sysincludepaths=...    specify system include paths, colon separated"
 285 echo "  --libpaths=...           specify system library paths, colon separated"
 286 echo "  --crtprefix=...          specify locations of crt?.o, colon separated"
 287 echo "  --elfinterp=...          specify elf interpreter"
 288 echo ""
 289 #echo "NOTE: The object files are build at the place where configure is launched"
 290 exit 1
 291 fi
 292
 293 if test "$mingw32" = "yes" ; then
 294     if test x"$tccdir" = x""; then
 295     tccdir="tcc"
 296     fi
 297     if test -z "$prefix" ; then
 298     prefix="C:/Program Files/${tccdir}"
 299     fi
 300     if test -z "$sharedir" ; then
 301     sharedir="${prefix}"
 302     fi
 303     execprefix="$prefix"
 304     bindir="${prefix}"
 305     tccdir="${prefix}"
 306     libdir="${prefix}/lib"
 307     docdir="${sharedir}/doc"
 308     mandir="${sharedir}/man"
 309     infodir="${sharedir}/info"
 310 else
 311     if test -z "$prefix" ; then
 312     prefix="/usr/local"
 313     fi
 314     if test -z "$sharedir" ; then
 315     sharedir="${prefix}/share"
 316     fi
 317     if test x"$execprefix" = x""; then
 318     execprefix="${prefix}"
 319     fi
 320     if test x"$libdir" = x""; then
 321     libdir="${execprefix}/lib"
 322     fi
 323     if test x"$bindir" = x""; then
 324     bindir="${execprefix}/bin"
 325     fi
 326     if test x"$tccdir" = x""; then
 327     tccdir="tcc"
 328     fi
 329     if test x"$docdir" = x""; then
 330     docdir="${sharedir}/doc/${tccdir}"
 331     fi
 332     if test x"$mandir" = x""; then
 333     mandir="${sharedir}/man"
 334     fi
 335     if test x"$infodir" = x""; then
 336     infodir="${sharedir}/info"
 337     fi
 338     tccdir="${libdir}/${tccdir}"
 339 fi # mingw32
 340
 341 if test x"$includedir" = x""; then
 342 includedir="${prefix}/include"
 343 fi
 344
 345 echo "Binary  directory   $bindir"
 346 echo "TinyCC directory    $tccdir"
 347 echo "Library directory   $libdir"
 348 echo "Include directory   $includedir"
 349 echo "Manual directory    $mandir"
 350 echo "Info directory      $infodir"
 351 echo "Doc directory       $docdir"
 352 echo "Target root prefix  $sysroot"
 353 echo "Source path      $source_path"
 354 echo "C compiler       $cc"
 355 echo "Target OS        $targetos"
 356 echo "CPU              $cpu"
 357 echo "Big Endian       $bigendian"
 358 echo "gprof enabled    $gprof"
 359 echo "cross compilers  $build_cross"
 360 echo "use libgcc       $use_libgcc"
 361
 362 echo "Creating config.mak and config.h"
 363
 364 echo "# Automatically generated by configure - do not modify" > config.mak
 365 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 366
 367 echo "prefix=$prefix" >> config.mak
 368 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
 369 echo "tccdir=\$(DESTDIR)$tccdir" >> config.mak
 370 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
 371 echo "ln_libdir=$libdir" >> config.mak
 372 echo "includedir=\$(DESTDIR)$includedir" >> config.mak
 373 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
 374 echo "infodir=\$(DESTDIR)$infodir" >> config.mak
 375 echo "docdir=\$(DESTDIR)$docdir" >> config.mak
 376 print_var1()
 377 {
 378   echo "#ifndef $1" >> $TMPH
 379   echo "# define $1 \"$2\"" >> $TMPH
 380   echo "#endif" >> $TMPH
 381 }
 382 print_var2()
 383 {
 384   if test -n "$2"; then print_var1 $1 "$2"; fi
 385 }
 386 print_var2 CONFIG_SYSROOT "$sysroot"
 387 print_var1 CONFIG_TCCDIR "$tccdir"
 388 print_var2 CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 389 print_var2 CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 390 print_var2 CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 391 print_var2 CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 392
 393 echo "CC=$cc" >> config.mak
 394 echo "GCC_MAJOR=$gcc_major" >> config.mak
 395 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 396 echo "HOST_CC=$host_cc" >> config.mak
 397 echo "AR=$ar" >> config.mak
 398 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 399 echo "CFLAGS=$CFLAGS" >> config.mak
 400 echo "LDFLAGS=$LDFLAGS" >> config.mak
 401 echo "LIBSUF=$LIBSUF" >> config.mak
 402 echo "EXESUF=$EXESUF" >> config.mak
 403
 404 if test "$cpu" = "x86" ; then
 405   echo "ARCH=i386" >> config.mak
 406   echo "#define HOST_I386 1" >> $TMPH
 407 elif test "$cpu" = "x86-64" ; then
 408   echo "ARCH=x86-64" >> config.mak
 409   echo "#define HOST_X86_64 1" >> $TMPH
 410 elif test "$cpu" = "armv4l" ; then
 411   echo "ARCH=arm" >> config.mak
 412   echo "#define HOST_ARM 1" >> $TMPH
 413 elif test "$cpu" = "powerpc" ; then
 414   echo "ARCH=ppc" >> config.mak
 415   echo "#define HOST_PPC 1" >> $TMPH
 416 elif test "$cpu" = "mips" ; then
 417   echo "ARCH=mips" >> config.mak
 418   echo "#define HOST_MIPS 1" >> $TMPH
 419 elif test "$cpu" = "s390" ; then
 420   echo "ARCH=s390" >> config.mak
 421   echo "#define HOST_S390 1" >> $TMPH
 422 elif test "$cpu" = "alpha" ; then
 423   echo "ARCH=alpha" >> config.mak
 424   echo "#define HOST_ALPHA 1" >> $TMPH
 425 else
 426   echo "Unsupported CPU"
 427   exit 1
 428 fi
 429 echo "TARGETOS=$targetos" >> config.mak
 430 if test "$noldl" = "yes" ; then
 431   echo "CONFIG_NOLDL=yes" >> config.mak
 432 fi
 433 if test "$mingw32" = "yes" ; then
 434   echo "CONFIG_WIN32=yes" >> config.mak
 435   echo "#define CONFIG_WIN32 1" >> $TMPH
 436 fi
 437 if test "$cygwin" = "yes" ; then
 438   echo "#ifndef _WIN32" >> $TMPH
 439   echo "#define _WIN32" >> $TMPH
 440   echo "#endif" >> $TMPH
 441   echo "AR=ar" >> config.mak
 442 fi
 443 if test "$bigendian" = "yes" ; then
 444   echo "WORDS_BIGENDIAN=yes" >> config.mak
 445   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 446 fi
 447 if test "$gprof" = "yes" ; then
 448   echo "TARGET_GPROF=yes" >> config.mak
 449   echo "#define HAVE_GPROF 1" >> $TMPH
 450 fi
 451 if test "$build_cross" = "yes" ; then
 452   echo "CONFIG_CROSS=yes" >> config.mak
 453 fi
 454 if test "$disable_static" = "yes" ; then
 455   echo "DISABLE_STATIC=yes" >> config.mak
 456 fi
 457 if test "$disable_rpath" = "yes" ; then
 458   echo "DISABLE_RPATH=yes" >> config.mak
 459 fi
 460 if test "$strip_binaries" = "yes" ; then
 461   echo "STRIP_BINARIES=yes" >> config.mak
 462 fi
 463 if test "$use_libgcc" = "yes" ; then
 464   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 465   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 466 fi
 467 if test "$have_selinux" = "yes" ; then
 468   echo "#define HAVE_SELINUX" >> $TMPH
 469   echo "HAVE_SELINUX=yes" >> config.mak
 470 fi
 471 version=`head $source_path/VERSION`
 472 echo "VERSION=$version" >>config.mak
 473 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 474 echo "@set VERSION $version" > config.texi
 475
 476 # build tree in object directory if source path is different from current one
 477 if test "$source_path_used" = "yes" ; then
 478     DIRS="tests"
 479     FILES="Makefile tests/Makefile"
 480     for dir in $DIRS ; do
 481         mkdir -p $dir
 482     done
 483     for f in $FILES ; do
 484         ln -sf $source_path/$f $f
 485     done
 486 fi
 487 echo "SRC_PATH=$source_path" >> config.mak
 488
 489 diff $TMPH config.h >/dev/null 2>&1
 490 if test $? -ne 0 ; then
 491     mv -f $TMPH config.h
 492 else
 493     echo "config.h is unchanged"
 494 fi
 495
 496 rm -f $TMPN*