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