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 multiarch_triplet=""
  35 cross_prefix=""
  36 cc="gcc"
  37 host_cc="gcc"
  38 ar="ar"
  39 strip="strip"
  40 cygwin="no"
  41 cpu=`uname -m`
  42 case "$cpu" in
  43   i386|i486|i586|i686|i86pc|BePC|i686-AT386)
  44     cpu="x86"
  45   ;;
  46   x86_64)
  47     cpu="x86-64"
  48   ;;
  49   arm|armv4l|armv5tel|armv5tejl|armv6j|armv7a|armv7l)
  50     cpu="armv4l"
  51   ;;
  52   alpha)
  53     cpu="alpha"
  54   ;;
  55   "Power Macintosh"|ppc|ppc64)
  56     cpu="powerpc"
  57   ;;
  58   mips)
  59     cpu="mips"
  60   ;;
  61   s390)
  62     cpu="s390"
  63   ;;
  64   *)
  65     cpu="unknown"
  66   ;;
  67 esac
  68 gprof="no"
  69 bigendian="no"
  70 mingw32="no"
  71 LIBSUF=".a"
  72 EXESUF=""
  73
  74 # OS specific
  75 targetos=`uname -s`
  76 case $targetos in
  77 MINGW32*)
  78 mingw32="yes"
  79 ;;
  80 DragonFly)
  81 noldl="yes"
  82 ;;
  83 OpenBSD)
  84 noldl="yes"
  85 ;;
  86 *) ;;
  87 esac
  88
  89 # find source path
  90 # XXX: we assume an absolute path is given when launching configure,
  91 # except in './configure' case.
  92 source_path=${0%configure}
  93 source_path=${source_path%/}
  94 source_path_used="yes"
  95 if test -z "$source_path" -o "$source_path" = "." ; then
  96     source_path=`pwd`
  97     source_path_used="no"
  98 fi
  99
 100 for opt do
 101   case "$opt" in
 102   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 103   ;;
 104   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 105   ;;
 106   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
 107   ;;
 108   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 109   ;;
 110   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 111   ;;
 112   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 113   ;;
 114   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 115   ;;
 116   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 117   ;;
 118   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 119   ;;
 120   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 121   ;;
 122   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 123   ;;
 124   --multiarch-triplet=*) multiarch_triplet=`echo $opt | cut -d '=' -f 2`
 125   ;;
 126   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 127   ;;
 128   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 129   ;;
 130   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 131   ;;
 132   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 133   ;;
 134   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 135   ;;
 136   --extra-libs=*) extralibs=${opt#--extra-libs=}
 137   ;;
 138   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 139   ;;
 140   --enable-gprof) gprof="yes"
 141   ;;
 142   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 143   ;;
 144   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 145   ;;
 146   --enable-cross) build_cross="yes"
 147   ;;
 148   --disable-static) disable_static="yes"
 149   ;;
 150   --disable-rpath) disable_rpath="yes"
 151   ;;
 152   --strip-binaries) strip_binaries="yes"
 153   ;;
 154   --with-libgcc) use_libgcc="yes"
 155   ;;
 156   --with-selinux) have_selinux="yes"
 157   ;;
 158   --help|-h) show_help="yes"
 159   ;;
 160   esac
 161 done
 162
 163 # Checking for CFLAGS
 164 if test -z "$CFLAGS"; then
 165     CFLAGS="-Wall -g -O2"
 166 fi
 167
 168 cc="${cross_prefix}${cc}"
 169 ar="${cross_prefix}${ar}"
 170 strip="${cross_prefix}${strip}"
 171
 172 if test "$mingw32" = "yes" ; then
 173     LIBSUF=".lib"
 174     EXESUF=".exe"
 175 fi
 176
 177 if test -z "$cross_prefix" ; then
 178
 179 # ---
 180 # big/little endian test
 181 cat > $TMPC << EOF
 182 #include <inttypes.h>
 183 int main(int argc, char ** argv){
 184     volatile uint32_t i=0x01234567;
 185     return (*((uint8_t*)(&i))) == 0x67;
 186 }
 187 EOF
 188
 189 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 190     $TMPE && bigendian="yes"
 191 else
 192     echo big/little test failed
 193 fi
 194
 195 else
 196
 197 # if cross compiling, cannot launch a program, so make a static guess
 198 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 199     bigendian="yes"
 200 fi
 201
 202 fi
 203
 204 # check gcc version
 205 cat > $TMPC <<EOF
 206 int main(void) {
 207 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 208 return 0;
 209 #else
 210 #error gcc < 3.2
 211 #endif
 212 }
 213 EOF
 214
 215 gcc_major="2"
 216 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 217     gcc_major="3"
 218 fi
 219 cat > $TMPC <<EOF
 220 int main(void) {
 221 #if __GNUC__ >= 4
 222 return 0;
 223 #else
 224 #error gcc < 4
 225 #endif
 226 }
 227 EOF
 228
 229 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 230     gcc_major="4"
 231 fi
 232
 233 if test x"$show_help" = "xyes" ; then
 234 cat << EOF
 235
 236 Usage: configure [options]
 237 Options: [defaults in brackets after descriptions]
 238
 239 EOF
 240 echo "Standard options:"
 241 echo "  --help                        print this message"
 242 echo "  --prefix=PREFIX               install in PREFIX [$prefix]"
 243 echo "  --exec-prefix=EPREFIX         install architecture-dependent files in EPREFIX"
 244 echo "                                [same as prefix]"
 245 echo "  --bindir=DIR                  user executables in DIR [EPREFIX/bin]"
 246 echo "  --libdir=DIR                  object code libraries in DIR [EPREFIX/lib]"
 247 echo "  --tccdir=DIR                  installation directory [EPREFIX/lib/tcc]"
 248 echo "  --includedir=DIR              C header files in DIR [PREFIX/include]"
 249 echo "  --sharedir=DIR                documentation root DIR [PREFIX]/share"
 250 echo "  --docdir=DIR                  documentation in DIR [SHAREDIR/doc/tcc]"
 251 echo "  --mandir=DIR                  man documentation in DIR [SHAREDIR/man]"
 252 echo "  --infodir=DIR                 info documentation in DIR [SHAREDIR/info]"
 253 echo ""
 254 echo "Advanced options (experts only):"
 255 echo "  --source-path=PATH            path of source code [$source_path]"
 256 echo "  --cross-prefix=PREFIX         use PREFIX for compile tools [$cross_prefix]"
 257 echo "  --sysroot=PREFIX              prepend PREFIX to library/include paths []"
 258 echo "  --multiarch-triplet=SUFFIX    append SUFFIX to library/include paths []"
 259 echo "  --cc=CC                       use C compiler CC [$cc]"
 260 echo "  --disable-static              make libtcc.so instead of libtcc.a"
 261 echo "  --disable-rpath               disable use of -rpath with the above"
 262 echo "  --strip-binaries              strip symbol tables from resulting binaries"
 263 echo "  --with-libgcc                 use /lib/libgcc_s.so.1 instead of libtcc.a"
 264 echo "  --enable-mingw32              build windows version on linux with mingw32"
 265 echo "  --enable-cygwin               build windows version on windows with cygwin"
 266 echo "                                [requires cygwin and mingw32-make]"
 267 echo "  --enable-cross                build cross compilers"
 268 echo "  --extra-cflags=               extra compiler flags"
 269 echo "  --extra-ldflags=              extra linker options"
 270 echo "  --with-selinux                use mmap instead of exec mem"
 271 echo "                                [requires write access to /tmp]"
 272 echo ""
 273 #echo "NOTE: The object files are build at the place where configure is launched"
 274 exit 1
 275 fi
 276
 277 if test "$mingw32" = "yes" ; then
 278     if test x"$tccdir" = x""; then
 279     tccdir="tcc"
 280     fi
 281     if test -z "$prefix" ; then
 282     prefix="C:/Program Files/${tccdir}"
 283     fi
 284     if test -z "$sharedir" ; then
 285     sharedir="${prefix}"
 286     fi
 287     execprefix="$prefix"
 288     bindir="${prefix}"
 289     tccdir="${prefix}"
 290     libdir="${prefix}/lib"
 291     docdir="${sharedir}/doc"
 292     mandir="${sharedir}/man"
 293     infodir="${sharedir}/info"
 294 else
 295     if test -z "$prefix" ; then
 296     prefix="/usr/local"
 297     fi
 298     if test -z "$sharedir" ; then
 299     sharedir="${prefix}/share"
 300     fi
 301     if test x"$execprefix" = x""; then
 302     execprefix="${prefix}"
 303     fi
 304     if test x"$libdir" = x""; then
 305     libdir="${execprefix}/lib"
 306     fi
 307     if test x"$bindir" = x""; then
 308     bindir="${execprefix}/bin"
 309     fi
 310     if test x"$tccdir" = x""; then
 311     tccdir="tcc"
 312     fi
 313     if test x"$docdir" = x""; then
 314     docdir="${sharedir}/doc/${tccdir}"
 315     fi
 316     if test x"$mandir" = x""; then
 317     mandir="${sharedir}/man"
 318     fi
 319     if test x"$infodir" = x""; then
 320     infodir="${sharedir}/info"
 321     fi
 322     tccdir="${libdir}/${tccdir}"
 323 fi # mingw32
 324
 325 if test x"$includedir" = x""; then
 326 includedir="${prefix}/include"
 327 fi
 328
 329 echo "Binary  directory   $bindir"
 330 echo "TinyCC directory    $tccdir"
 331 echo "Library directory   $libdir"
 332 echo "Include directory   $includedir"
 333 echo "Manual directory    $mandir"
 334 echo "Info directory      $infodir"
 335 echo "Doc directory       $docdir"
 336 echo "Target root prefix  $sysroot"
 337 echo "Multiarch triplet   $multiarch_triplet"
 338 echo "Source path         $source_path"
 339 echo "C compiler          $cc"
 340 echo "CPU                 $cpu"
 341 echo "Big Endian          $bigendian"
 342 echo "gprof enabled       $gprof"
 343 echo "cross compilers     $build_cross"
 344 echo "use libgcc          $use_libgcc"
 345
 346 echo "Creating config.mak and config.h"
 347
 348 echo "# Automatically generated by configure - do not modify" > config.mak
 349 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 350
 351 echo "prefix=$prefix" >> config.mak
 352 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
 353 echo "tccdir=\$(DESTDIR)$tccdir" >> config.mak
 354 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
 355 echo "ln_libdir=$libdir" >> config.mak
 356 echo "includedir=\$(DESTDIR)$includedir" >> config.mak
 357 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
 358 echo "infodir=\$(DESTDIR)$infodir" >> config.mak
 359 echo "docdir=\$(DESTDIR)$docdir" >> config.mak
 360
 361 echo "#ifndef CONFIG_SYSROOT" >> $TMPH
 362 echo "#define CONFIG_SYSROOT \"$sysroot\"" >> $TMPH
 363 echo "#endif" >> $TMPH
 364 echo "" >> $TMPH
 365
 366 # Set default include and library paths
 367 win_incpaths="\\\b/include;\\\b/include/winapi"
 368 unix_incpaths="/usr/local/include:/usr/include:\\\b/include"
 369 win_libpaths="\\\b/lib"
 370 unix_libpaths="CONFIG_SYSROOT CONFIG_TCC_CRT_PREFIX"
 371 unix_libpaths="$unix_libpaths\":\"CONFIG_SYSROOT CONFIG_TCC_LDDIR"
 372 unix_libpaths="$unix_libpaths\":\"CONFIG_SYSROOT \"/usr/local\" CONFIG_TCC_LDDIR"
 373
 374 # sep: path separator in paths
 375 # tmp: paths multiarchified (one path per line)
 376 # q: quote (if sep contains ")
 377 # r: carriage return pattern (if sep contains ")
 378 # s: space (if sep contains ")
 379 multiarchify()
 380 {
 381   local sep tmp
 382
 383   paths="$1"
 384   sep="$2"
 385   tmp=""
 386   q=""
 387   r=""
 388   s=""
 389   if [ -z "${sep%%\"*}" ] ; then
 390     q="\""
 391     r=" \\\\\n      "
 392     s=" "
 393   fi
 394   paths="$paths$sep"
 395   while test -n "$paths" ; do
 396     tmp="$tmp${tmp:+$r$sep$s}${paths%%$sep*}$s$q/$multiarch_triplet$q"
 397     tmp="$tmp$r$sep$s${paths%%$sep*}"
 398     paths="${paths#*$sep}"
 399   done
 400   paths="$tmp"
 401 }
 402
 403 if test -n "$multiarch_triplet" ; then
 404   multiarchify "$win_incpaths" ";"
 405   win_incpaths="\"$paths\""
 406   multiarchify "$unix_incpaths" ":"
 407   unix_incpaths="\"$paths\""
 408   multiarchify "$win_libpaths" ";"
 409   win_libpaths="\"$paths\""
 410   multiarchify "$unix_libpaths" "\":\""
 411   unix_libpaths="$paths"
 412   echo "#define CONFIG_TCC_MULTIARCH_TRIPLET \"$multiarch_triplet\"" >> $TMPH
 413 fi
 414
 415 echo "#ifndef CONFIG_TCC_LDDIR" >> $TMPH
 416 echo "  #if defined(TCC_TARGET_X86_64_CENTOS)" >> $TMPH
 417 echo "    #define CONFIG_TCC_LDDIR \"/lib64\"" >> $TMPH
 418 echo "  #else" >> $TMPH
 419 echo "    #define CONFIG_TCC_LDDIR \"/lib\"" >> $TMPH
 420 echo "  #endif" >> $TMPH
 421 echo "#endif" >> $TMPH
 422 echo "" >> $TMPH
 423
 424 echo "/* path to find crt1.o, crti.o and crtn.o */" >> $TMPH
 425 echo "#ifndef CONFIG_TCC_CRT_PREFIX" >> $TMPH
 426 echo "# define CONFIG_TCC_CRT_PREFIX \"/usr\" CONFIG_TCC_LDDIR" >> $TMPH
 427 echo "#endif" >> $TMPH
 428 echo "" >> $TMPH
 429
 430 echo "#ifndef CONFIG_TCC_SYSINCLUDE_PATHS" >> $TMPH
 431 echo "# ifdef TCC_TARGET_PE" >> $TMPH
 432 echo "#  define CONFIG_TCC_SYSINCLUDE_PATHS $win_incpaths" >> $TMPH
 433 echo "# else" >> $TMPH
 434 echo "#  define CONFIG_TCC_SYSINCLUDE_PATHS $unix_incpaths" >> $TMPH
 435 echo "# endif" >> $TMPH
 436 echo "#endif" >> $TMPH
 437 echo "" >> $TMPH
 438 echo "#ifndef CONFIG_TCC_LIBPATH" >> $TMPH
 439 echo "# ifdef TCC_TARGET_PE" >> $TMPH
 440 echo "#  define CONFIG_TCC_LIBPATH $win_libpaths" >> $TMPH
 441 echo "# else" >> $TMPH
 442 echo "#  define CONFIG_TCC_LIBPATH $unix_libpaths" >> $TMPH
 443 echo "# endif" >> $TMPH
 444 echo "#endif" >> $TMPH
 445 echo "" >> $TMPH
 446
 447 echo "#ifndef CONFIG_TCCDIR" >> $TMPH
 448 echo "#define CONFIG_TCCDIR \"$tccdir\"" >> $TMPH
 449 echo "#endif" >> $TMPH
 450 echo "" >> $TMPH
 451 echo "CC=$cc" >> config.mak
 452 echo "GCC_MAJOR=$gcc_major" >> config.mak
 453 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 454 echo "HOST_CC=$host_cc" >> config.mak
 455 echo "AR=$ar" >> config.mak
 456 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 457 echo "CFLAGS=$CFLAGS" >> config.mak
 458 echo "LDFLAGS=$LDFLAGS" >> config.mak
 459 echo "LIBSUF=$LIBSUF" >> config.mak
 460 echo "EXESUF=$EXESUF" >> config.mak
 461 if test "$cpu" = "x86" ; then
 462   echo "ARCH=i386" >> config.mak
 463   echo "#define HOST_I386 1" >> $TMPH
 464 elif test "$cpu" = "x86-64" ; then
 465   echo "ARCH=x86-64" >> config.mak
 466   echo "#define HOST_X86_64 1" >> $TMPH
 467 elif test "$cpu" = "armv4l" ; then
 468   echo "ARCH=arm" >> config.mak
 469   echo "#define HOST_ARM 1" >> $TMPH
 470 elif test "$cpu" = "powerpc" ; then
 471   echo "ARCH=ppc" >> config.mak
 472   echo "#define HOST_PPC 1" >> $TMPH
 473 elif test "$cpu" = "mips" ; then
 474   echo "ARCH=mips" >> config.mak
 475   echo "#define HOST_MIPS 1" >> $TMPH
 476 elif test "$cpu" = "s390" ; then
 477   echo "ARCH=s390" >> config.mak
 478   echo "#define HOST_S390 1" >> $TMPH
 479 elif test "$cpu" = "alpha" ; then
 480   echo "ARCH=alpha" >> config.mak
 481   echo "#define HOST_ALPHA 1" >> $TMPH
 482 else
 483   echo "Unsupported CPU"
 484   exit 1
 485 fi
 486 if test "$noldl" = "yes" ; then
 487   echo "CONFIG_NOLDL=yes" >> config.mak
 488 fi
 489 if test "$mingw32" = "yes" ; then
 490   echo "CONFIG_WIN32=yes" >> config.mak
 491   echo "#define CONFIG_WIN32 1" >> $TMPH
 492 fi
 493 if test "$cygwin" = "yes" ; then
 494   echo "#ifndef _WIN32" >> $TMPH
 495   echo "#define _WIN32" >> $TMPH
 496   echo "#endif" >> $TMPH
 497   echo "AR=ar" >> config.mak
 498 fi
 499 if test "$bigendian" = "yes" ; then
 500   echo "WORDS_BIGENDIAN=yes" >> config.mak
 501   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 502 fi
 503 if test "$gprof" = "yes" ; then
 504   echo "TARGET_GPROF=yes" >> config.mak
 505   echo "#define HAVE_GPROF 1" >> $TMPH
 506 fi
 507 if test "$build_cross" = "yes" ; then
 508   echo "CONFIG_CROSS=yes" >> config.mak
 509 fi
 510 if test "$disable_static" = "yes" ; then
 511   echo "DISABLE_STATIC=yes" >> config.mak
 512 fi
 513 if test "$disable_rpath" = "yes" ; then
 514   echo "DISABLE_RPATH=yes" >> config.mak
 515 fi
 516 if test "$strip_binaries" = "yes" ; then
 517   echo "STRIP_BINARIES=yes" >> config.mak
 518 fi
 519 if test "$use_libgcc" = "yes" ; then
 520   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 521   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 522 fi
 523 if test "$have_selinux" = "yes" ; then
 524   echo "#define HAVE_SELINUX" >> $TMPH
 525   echo "HAVE_SELINUX=yes" >> config.mak
 526 fi
 527 version=`head $source_path/VERSION`
 528 echo "VERSION=$version" >>config.mak
 529 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 530 echo "@set VERSION $version" > config.texi
 531
 532 # build tree in object directory if source path is different from current one
 533 if test "$source_path_used" = "yes" ; then
 534     DIRS="tests"
 535     FILES="Makefile tests/Makefile"
 536     for dir in $DIRS ; do
 537         mkdir -p $dir
 538     done
 539     for f in $FILES ; do
 540         ln -sf $source_path/$f $f
 541     done
 542 fi
 543 echo "SRC_PATH=$source_path" >> config.mak
 544
 545 diff $TMPH config.h >/dev/null 2>&1
 546 if test $? -ne 0 ; then
 547     mv -f $TMPH config.h
 548 else
 549     echo "config.h is unchanged"
 550 fi
 551
 552 rm -f $TMPN*