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}-$$-${RANDOM}.c"
  15
  16 TMPN="./conftest-$$"
  17 TMPH=$TMPN.h
  18
  19 # default parameters
  20 build_cross="no"
  21 use_libgcc="no"
  22 enable_assert="no"
  23 prefix=""
  24 execprefix=""
  25 bindir=""
  26 libdir=""
  27 tccdir=""
  28 includedir=""
  29 mandir=""
  30 infodir=""
  31 sysroot=""
  32 cross_prefix=""
  33 cc="gcc"
  34 host_cc="gcc"
  35 ar="ar"
  36 strip="strip"
  37 cygwin="no"
  38 gprof="no"
  39 bigendian="no"
  40 mingw32="no"
  41 LIBSUF=".a"
  42 EXESUF=""
  43 tcc_sysincludepaths=""
  44 tcc_libpaths=""
  45 tcc_crtprefix=""
  46 tcc_elfinterp=""
  47 tcc_lddir=
  48 confvars=
  49 cpu=
  50
  51 # OS specific
  52 targetos=`uname -s`
  53 case $targetos in
  54   MINGW32*)  mingw32=yes;;
  55   DragonFly) noldl=yes;;
  56   OpenBSD)   noldl=yes;;
  57   FreeBSD)   noldl=yes;;
  58   NetBSD)    noldl=yes;;
  59   *) ;;
  60 esac
  61
  62 # find source path
  63 # XXX: we assume an absolute path is given when launching configure,
  64 # except in './configure' case.
  65 source_path=${0%configure}
  66 source_path=${source_path%/}
  67 source_path_used="yes"
  68 if test -z "$source_path" -o "$source_path" = "." ; then
  69     source_path=`pwd`
  70     source_path_used="no"
  71 fi
  72
  73 classify_cpu ()
  74 {
  75   cpu="$1"
  76
  77   case "$cpu" in
  78     x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
  79       cpu="x86"
  80     ;;
  81     x86_64|amd64)
  82       cpu="x86-64"
  83     ;;
  84     arm*)
  85       case "$cpu" in
  86         arm|armv4l)
  87           cpuver=4
  88         ;;
  89         armv5tel|armv5tejl)
  90           cpuver=5
  91         ;;
  92         armv6j|armv6l)
  93           cpuver=6
  94         ;;
  95         armv7a|armv7l)
  96           cpuver=7
  97         ;;
  98       esac
  99       cpu="armv4l"
 100     ;;
 101     aarch64)
 102       cpu="aarch64"
 103     ;;
 104     alpha)
 105       cpu="alpha"
 106     ;;
 107     "Power Macintosh"|ppc|ppc64)
 108       cpu="powerpc"
 109     ;;
 110     mips)
 111       cpu="mips"
 112     ;;
 113     s390)
 114       cpu="s390"
 115     ;;
 116     *)
 117       echo "Unsupported CPU: $cpu"
 118       exit 1
 119     ;;
 120   esac
 121 }
 122
 123 for opt do
 124   eval opt=\"$opt\"
 125   case "$opt" in
 126   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 127   ;;
 128   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 129   ;;
 130   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
 131   ;;
 132   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 133   ;;
 134   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 135   ;;
 136   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 137   ;;
 138   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 139   ;;
 140   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 141   ;;
 142   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 143   ;;
 144   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 145   ;;
 146   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 147   ;;
 148   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 149   ;;
 150   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 151   ;;
 152   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 153   ;;
 154   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 155   ;;
 156   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 157   ;;
 158   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 159   ;;
 160   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 161   ;;
 162   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 163   ;;
 164   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 165   ;;
 166   --extra-libs=*) extralibs=${opt#--extra-libs=}
 167   ;;
 168   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 169   ;;
 170   --enable-gprof) gprof="yes"
 171   ;;
 172   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 173   ;;
 174   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 175   ;;
 176   --enable-cross) build_cross="yes"
 177   ;;
 178   --enable-assert) enable_assert="yes"
 179   ;;
 180   --disable-static) disable_static="yes"
 181   ;;
 182   --disable-rpath) disable_rpath="yes"
 183   ;;
 184   --strip-binaries) strip_binaries="yes"
 185   ;;
 186   --with-libgcc) use_libgcc="yes"
 187   ;;
 188   --with-selinux) have_selinux="yes"
 189   ;;
 190   --help|-h) show_help="yes"
 191   ;;
 192   *) echo "configure: WARNING: unrecognized option $opt"
 193   ;;
 194   esac
 195 done
 196
 197 if test -z "$cpu" ; then
 198     if test -n "$ARCH" ; then
 199         cpu="$ARCH"
 200     else
 201         cpu=`uname -m`
 202     fi
 203 fi
 204 classify_cpu "$cpu"
 205
 206 # Checking for CFLAGS
 207 if test -z "$CFLAGS"; then
 208     CFLAGS="-Wall -g -O2"
 209 fi
 210
 211 if test "$mingw32" = "yes" ; then
 212     if test x"$tccdir" = x""; then
 213     tccdir="tcc"
 214     fi
 215     if test -z "$prefix" ; then
 216     prefix="C:/Program Files/${tccdir}"
 217     fi
 218     if test -z "$sharedir" ; then
 219     sharedir="${prefix}"
 220     fi
 221     execprefix="$prefix"
 222     bindir="${prefix}"
 223     tccdir="${prefix}"
 224     libdir="${prefix}/lib"
 225     docdir="${sharedir}/doc"
 226     mandir="${sharedir}/man"
 227     infodir="${sharedir}/info"
 228     LIBSUF=".lib"
 229     EXESUF=".exe"
 230 else
 231     if test -z "$prefix" ; then
 232     prefix="/usr/local"
 233     fi
 234     if test -z "$sharedir" ; then
 235     sharedir="${prefix}/share"
 236     fi
 237     if test x"$execprefix" = x""; then
 238     execprefix="${prefix}"
 239     fi
 240     if test x"$tccdir" = x""; then
 241     tccdir="tcc"
 242     fi
 243     if test x"$libdir" = x""; then
 244         libdir="${execprefix}/lib"
 245         if test -n "${tccdir}"; then
 246             tccdir="${libdir}/${tccdir}"
 247         else
 248             tccdir="${libdir}"
 249         fi
 250         if test "$cpu" = "x86-64"; then
 251             libdir="${execprefix}/lib64"
 252         fi
 253     else
 254         tccdir="${libdir}/${tccdir}"
 255     fi
 256     if test x"$bindir" = x""; then
 257     bindir="${execprefix}/bin"
 258     fi
 259     if test x"$docdir" = x""; then
 260     docdir="${sharedir}/doc/${tccdir}"
 261     fi
 262     if test x"$mandir" = x""; then
 263     mandir="${sharedir}/man"
 264     fi
 265     if test x"$infodir" = x""; then
 266     infodir="${sharedir}/info"
 267     fi
 268 fi # mingw32
 269
 270 if test x"$includedir" = x""; then
 271 includedir="${prefix}/include"
 272 fi
 273
 274 if test x"$show_help" = "xyes" ; then
 275 cat << EOF
 276 Usage: configure [options]
 277 Options: [defaults in brackets after descriptions]
 278
 279 Standard options:
 280   --help                   print this message
 281   --prefix=PREFIX          install in PREFIX [$prefix]
 282   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 283                            [same as prefix]
 284   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 285   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 286   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 287   --includedir=DIR         C header files in DIR [PREFIX/include]
 288   --sharedir=DIR           documentation root DIR [PREFIX/share]
 289   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 290   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 291   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 292
 293 Advanced options (experts only):
 294   --source-path=PATH       path of source code [$source_path]
 295   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 296   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 297   --cc=CC                  use C compiler CC [$cc]
 298   --extra-cflags=          specify compiler flags [$CFLAGS]
 299   --extra-ldflags=         specify linker options []
 300   --cpu=CPU                CPU [$cpu]
 301   --strip-binaries         strip symbol tables from resulting binaries
 302   --disable-static         make libtcc.so instead of libtcc.a
 303   --disable-rpath          disable use of -rpath with the above
 304   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a in dynamic link
 305   --enable-mingw32         build windows version on linux with mingw32
 306   --enable-cygwin          build windows version on windows with cygwin
 307   --enable-cross           build cross compilers
 308   --enable-assert          enable debug assertions
 309   --with-selinux           use mmap for exec mem [needs writable /tmp]
 310   --sysincludepaths=...    specify system include paths, colon separated
 311   --libpaths=...           specify system library paths, colon separated
 312   --crtprefix=...          specify locations of crt?.o, colon separated
 313   --elfinterp=...          specify elf interpreter
 314 EOF
 315 #echo "NOTE: The object files are build at the place where configure is launched"
 316 exit 1
 317 fi
 318
 319 cc="${cross_prefix}${cc}"
 320 ar="${cross_prefix}${ar}"
 321 strip="${cross_prefix}${strip}"
 322
 323 CONFTEST=./conftest$EXESUF
 324
 325 if test -z "$cross_prefix" ; then
 326   if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 327     echo "configure: error: '$cc' failed to compile conftest.c."
 328   else
 329     bigendian="$($CONFTEST bigendian)"
 330     gcc_major="$($CONFTEST version)"
 331     gcc_minor="$($CONFTEST minor)"
 332     if test "$mingw32" = "no" ; then
 333       triplet="$($CONFTEST triplet)"
 334       if test -f "/usr/lib/$triplet/crti.o" ; then
 335         tcc_lddir="lib"
 336         multiarch_triplet="$triplet"
 337       elif test "$cpu" != "x86" -a -f "/usr/lib64/crti.o" ; then
 338         tcc_lddir="lib64"
 339       fi
 340
 341       if test "$cpu" = "armv4l" ; then
 342         if test "${triplet%eabihf}" != "$triplet" ; then
 343            confvars="$confvars arm_eabihf"
 344         elif test "${triplet%eabi}" != "$triplet" ; then
 345            confvars="$confvars arm_eabi"
 346         fi
 347         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 348            confvars="$confvars arm_vfp"
 349         fi
 350       fi
 351
 352 #      multiarch_triplet=${libc_dir#*/}
 353 #      multiarch_triplet=${multiarch_triplet%/}
 354 #      tcc_lddir="${libc_dir%%/*}"
 355 #      if test -n "$multiarch_triplet" ; then
 356 #        tcc_lddir="$tcc_lddir/$multiarch_triplet"
 357 #      fi
 358
 359       if test -f "/lib/ld-uClibc.so.0" ; then
 360         confvars="$confvars uClibc"
 361       fi
 362 # gr: maybe for after the release:
 363 #       tcc_elfinterp="$(ldd $CONFTEST | grep 'ld.*.so' | sed 's,\s*\(\S\+\).*,\1,')"
 364        # echo "elfinterp           $tcc_elfinterp"
 365
 366     fi
 367   fi
 368 else
 369   # if cross compiling, cannot launch a program, so make a static guess
 370   case $cpu in
 371     powerpc|mips|s390)  bigendian=yes;;
 372   esac
 373 fi
 374
 375 # a final configuration tuning
 376 W_OPTIONS="deprecated-declarations strict-aliasing pointer-sign sign-compare unused-result uninitialized"
 377 for i in $W_OPTIONS; do
 378     O_PRESENT="$($cc -v --help 2>&1 | grep -- -W$i)"
 379     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -Wno-$i"; fi
 380 done
 381 F_OPTIONS="strict-aliasing"
 382 for i in $F_OPTIONS; do
 383     O_PRESENT="$($cc -v --help 2>&1 | grep -- -f$i)"
 384     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -fno-$i"; fi
 385 done
 386 if test -z "$tcc_lddir" -a "$cpu" = "x86-64"; then tcc_lddir="lib64"; fi
 387
 388 echo "Binary  directory   $bindir"
 389 echo "TinyCC directory    $tccdir"
 390 echo "Library directory   $libdir"
 391 echo "Include directory   $includedir"
 392 echo "Manual directory    $mandir"
 393 echo "Info directory      $infodir"
 394 echo "Doc directory       $docdir"
 395 echo "Target root prefix  $sysroot"
 396 echo "Source path      $source_path"
 397 echo "C compiler       $cc"
 398 echo "cross compilers  $build_cross"
 399 if test "$build_cross" = "no"; then
 400 echo "Target CPU       $cpu"
 401 fi
 402 echo "Target OS        $targetos"
 403 echo "Big Endian       $bigendian"
 404 echo "gprof enabled    $gprof"
 405 echo "use libgcc       $use_libgcc"
 406
 407 echo "Creating config.mak and config.h"
 408
 409 cat >config.mak <<EOF
 410 # Automatically generated by configure - do not modify
 411 prefix=$prefix
 412 bindir=\$(DESTDIR)$bindir
 413 tccdir=\$(DESTDIR)$tccdir
 414 libdir=\$(DESTDIR)$libdir
 415 ln_libdir=$libdir
 416 includedir=\$(DESTDIR)$includedir
 417 mandir=\$(DESTDIR)$mandir
 418 infodir=\$(DESTDIR)$infodir
 419 docdir=\$(DESTDIR)$docdir
 420 CC=$cc
 421 GCC_MAJOR=$gcc_major
 422 GCC_MINOR=$gcc_minor
 423 HOST_CC=$host_cc
 424 AR=$ar
 425 STRIP=$strip -s -R .comment -R .note
 426 CFLAGS=$CFLAGS
 427 LDFLAGS=$LDFLAGS
 428 LIBSUF=$LIBSUF
 429 EXESUF=$EXESUF
 430 EOF
 431 if test "$mingw32" = "yes"; then
 432 cat >>config.mak <<EOF
 433 XCC=$cc
 434 XAR=$ar
 435 EOF
 436 fi
 437
 438 print_inc() {
 439   if test -n "$2"; then
 440     echo "#ifndef $1" >> $TMPH
 441     echo "# define $1 \"$2\"" >> $TMPH
 442     echo "#endif" >> $TMPH
 443   fi
 444 }
 445 print_mak() {
 446   if test -n "$2"; then
 447     echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
 448   fi
 449 }
 450
 451 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 452
 453 print_inc CONFIG_SYSROOT "$sysroot"
 454 print_inc CONFIG_TCCDIR "$tccdir"
 455 print_inc CONFIG_LDDIR "$tcc_lddir"
 456 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 457 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 458 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 459 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 460 print_mak CONFIG_MULTIARCHDIR "$multiarch_triplet"
 461
 462 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 463 echo "#define GCC_MINOR $gcc_minor" >> $TMPH
 464
 465 if test "$cpu" = "x86" ; then
 466   echo "ARCH=i386" >> config.mak
 467 elif test "$cpu" = "x86-64" ; then
 468   echo "ARCH=x86-64" >> config.mak
 469 elif test "$cpu" = "armv4l" ; then
 470   echo "ARCH=arm" >> config.mak
 471   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 472 elif test "$cpu" = "aarch64" ; then
 473   echo "ARCH=arm64" >> config.mak
 474 elif test "$cpu" = "powerpc" ; then
 475   echo "ARCH=ppc" >> config.mak
 476 elif test "$cpu" = "mips" ; then
 477   echo "ARCH=mips" >> config.mak
 478 elif test "$cpu" = "s390" ; then
 479   echo "ARCH=s390" >> config.mak
 480 elif test "$cpu" = "alpha" ; then
 481   echo "ARCH=alpha" >> config.mak
 482 else
 483   echo "Unsupported CPU"
 484   exit 1
 485 fi
 486
 487 echo "TARGETOS=$targetos" >> config.mak
 488
 489 for v in $confvars ; do
 490   echo "CONFIG_$v=yes" >> config.mak
 491 done
 492 if test "$noldl" = "yes" ; then
 493   echo "CONFIG_NOLDL=yes" >> config.mak
 494 fi
 495 if test "$mingw32" = "yes" ; then
 496   echo "CONFIG_WIN32=yes" >> config.mak
 497   echo "#define CONFIG_WIN32 1" >> $TMPH
 498 fi
 499 if test "$cygwin" = "yes" ; then
 500   echo "#ifndef _WIN32" >> $TMPH
 501   echo "# define _WIN32" >> $TMPH
 502   echo "#endif" >> $TMPH
 503   echo "AR=ar" >> config.mak
 504 fi
 505 if test "$bigendian" = "yes" ; then
 506   echo "WORDS_BIGENDIAN=yes" >> config.mak
 507   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 508 fi
 509 if test "$gprof" = "yes" ; then
 510   echo "TARGET_GPROF=yes" >> config.mak
 511   echo "#define HAVE_GPROF 1" >> $TMPH
 512 fi
 513 if test "$build_cross" = "yes" ; then
 514   echo "CONFIG_CROSS=yes" >> config.mak
 515 fi
 516 if test "$disable_static" = "yes" ; then
 517   echo "DISABLE_STATIC=yes" >> config.mak
 518 fi
 519 if test "$disable_rpath" = "yes" ; then
 520   echo "DISABLE_RPATH=yes" >> config.mak
 521 fi
 522 if test "$strip_binaries" = "yes" ; then
 523   echo "STRIP_BINARIES=yes" >> config.mak
 524 fi
 525 if test "$use_libgcc" = "yes" ; then
 526   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 527   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 528 fi
 529 if test "$have_selinux" = "yes" ; then
 530   echo "#define HAVE_SELINUX" >> $TMPH
 531   echo "HAVE_SELINUX=yes" >> config.mak
 532 fi
 533 if test "$enable_assert" = "yes" ; then
 534   echo "#define CONFIG_TCC_ASSERT" >> $TMPH
 535 fi
 536
 537 version=`head $source_path/VERSION`
 538 echo "VERSION=$version" >>config.mak
 539 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 540 echo "@set VERSION $version" > config.texi
 541 echo "SRC_PATH=$source_path" >>config.mak
 542
 543 if test "$source_path_used" = "yes" ; then
 544     case $source_path in
 545        /*) echo "top_srcdir=$source_path";;
 546         *) echo "top_srcdir=\$(TOP)/$source_path";;
 547      esac >>config.mak
 548 else
 549      echo 'top_srcdir=$(TOP)' >>config.mak
 550 fi
 551 echo 'top_builddir=$(TOP)' >>config.mak
 552
 553 diff $TMPH config.h >/dev/null 2>&1
 554 if test $? -ne 0 ; then
 555     mv -f $TMPH config.h
 556 else
 557     echo "config.h is unchanged"
 558 fi
 559
 560 rm -f $TMPN* $CONFTEST
 561
 562 # ---------------------------------------------------------------------------
 563 # build tree in object directory if source path is different from current one
 564
 565 fn_makelink()
 566 {
 567     tgt=$1/$2
 568     case $2 in
 569     */*) dn=${2%/*}
 570          test -d $dn || mkdir -p $dn
 571          case $1 in
 572          /*) ;;
 573           *) while test $dn ; do
 574                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 575              done
 576              ;;
 577          esac
 578          ;;
 579     esac
 580     ln -sfn $tgt $2
 581 }
 582
 583 if test "$source_path_used" = "yes" ; then
 584   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile"
 585   for f in $FILES ; do
 586     fn_makelink $source_path $f
 587   done
 588 fi
 589
 590 # ---------------------------------------------------------------------------