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 host_os=Linux
  51
  52 # OS specific
  53 targetos=`uname -s`
  54 case $targetos in
  55   MINGW32*)  mingw32=yes; host_os=Windows; ;;
  56   DragonFly) noldl=yes;;
  57   OpenBSD)   noldl=yes;;
  58   FreeBSD)   noldl=yes;;
  59   NetBSD)    noldl=yes;;
  60   *) ;;
  61 esac
  62
  63 # find source path
  64 # XXX: we assume an absolute path is given when launching configure,
  65 # except in './configure' case.
  66 source_path=${0%configure}
  67 source_path=${source_path%/}
  68 source_path_used="yes"
  69 if test -z "$source_path" -o "$source_path" = "." ; then
  70     source_path=`pwd`
  71     source_path_used="no"
  72 fi
  73
  74 classify_cpu ()
  75 {
  76   cpu="$1"
  77
  78   case "$cpu" in
  79     x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
  80       cpu="x86"
  81     ;;
  82     x86_64|amd64)
  83       cpu="x86-64"
  84     ;;
  85     arm*)
  86       case "$cpu" in
  87         arm|armv4l)
  88           cpuver=4
  89         ;;
  90         armv5tel|armv5tejl)
  91           cpuver=5
  92         ;;
  93         armv6j|armv6l)
  94           cpuver=6
  95         ;;
  96         armv7a|armv7l)
  97           cpuver=7
  98         ;;
  99       esac
 100       cpu="armv4l"
 101     ;;
 102     aarch64)
 103       cpu="aarch64"
 104     ;;
 105     alpha)
 106       cpu="alpha"
 107     ;;
 108     "Power Macintosh"|ppc|ppc64)
 109       cpu="powerpc"
 110     ;;
 111     mips)
 112       cpu="mips"
 113     ;;
 114     s390)
 115       cpu="s390"
 116     ;;
 117     *)
 118       echo "Unsupported CPU: $cpu"
 119       exit 1
 120     ;;
 121   esac
 122 }
 123
 124 for opt do
 125   eval opt=\"$opt\"
 126   case "$opt" in
 127   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 128   ;;
 129   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 130   ;;
 131   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
 132   ;;
 133   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 134   ;;
 135   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 136   ;;
 137   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 138   ;;
 139   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 140   ;;
 141   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 142   ;;
 143   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 144   ;;
 145   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 146   ;;
 147   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 148   ;;
 149   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 150   ;;
 151   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 152   ;;
 153   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 154   ;;
 155   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 156   ;;
 157   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 158   ;;
 159   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 160   ;;
 161   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 162   ;;
 163   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 164   ;;
 165   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 166   ;;
 167   --extra-libs=*) extralibs=${opt#--extra-libs=}
 168   ;;
 169   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 170   ;;
 171   --enable-gprof) gprof="yes"
 172   ;;
 173   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 174   ;;
 175   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 176   ;;
 177   --enable-tcc32-mingw) mingw32="yes" ; cross_prefix="i386-win-" ; cpu=x86; cc=tcc
 178   ;;
 179   --enable-tcc64-mingw) mingw32="yes" ; cross_prefix="x86_64-win-" ; cpu=x86_64; cc=tcc
 180   ;;
 181   --enable-cross) build_cross="yes"
 182   ;;
 183   --enable-assert) enable_assert="yes"
 184   ;;
 185   --disable-static) disable_static="yes"
 186   ;;
 187   --disable-rpath) disable_rpath="yes"
 188   ;;
 189   --strip-binaries) strip_binaries="yes"
 190   ;;
 191   --with-libgcc) use_libgcc="yes"
 192   ;;
 193   --with-selinux) have_selinux="yes"
 194   ;;
 195   --help|-h) show_help="yes"
 196   ;;
 197   *) echo "configure: WARNING: unrecognized option $opt"
 198   ;;
 199   esac
 200 done
 201
 202 if test -z "$cpu" ; then
 203     if test -n "$ARCH" ; then
 204         cpu="$ARCH"
 205     else
 206         cpu=`uname -m`
 207     fi
 208 fi
 209 classify_cpu "$cpu"
 210
 211 # Checking for CFLAGS
 212 if test -z "$CFLAGS"; then
 213     CFLAGS="-Wall -g -O2"
 214 fi
 215
 216 if test "$mingw32" = "yes" ; then
 217     if test x"$tccdir" = x""; then
 218     tccdir="tcc"
 219     fi
 220     if test -z "$prefix" ; then
 221     prefix="C:/Program Files/${tccdir}"
 222     fi
 223     if test -z "$sharedir" ; then
 224     sharedir="${prefix}"
 225     fi
 226     execprefix="$prefix"
 227     bindir="${prefix}"
 228     tccdir="${prefix}"
 229     libdir="${prefix}/lib"
 230     docdir="${sharedir}/doc"
 231     mandir="${sharedir}/man"
 232     infodir="${sharedir}/info"
 233     LIBSUF=".lib"
 234     EXESUF=".exe"
 235 else
 236     if test -z "$prefix" ; then
 237     prefix="/usr/local"
 238     fi
 239     if test -z "$sharedir" ; then
 240     sharedir="${prefix}/share"
 241     fi
 242     if test x"$execprefix" = x""; then
 243     execprefix="${prefix}"
 244     fi
 245     if test x"$tccdir" = x""; then
 246     tccdir="tcc"
 247     fi
 248     if test x"$libdir" = x""; then
 249         libdir="${execprefix}/lib"
 250         if test -n "${tccdir}"; then
 251             tccdir="${libdir}/${tccdir}"
 252         else
 253             tccdir="${libdir}"
 254         fi
 255         if test "$cpu" = "x86-64"; then
 256             libdir="${execprefix}/lib64"
 257         fi
 258     else
 259         tccdir="${libdir}/${tccdir}"
 260     fi
 261     if test x"$bindir" = x""; then
 262     bindir="${execprefix}/bin"
 263     fi
 264     if test x"$docdir" = x""; then
 265     docdir="${sharedir}/doc/${tccdir}"
 266     fi
 267     if test x"$mandir" = x""; then
 268     mandir="${sharedir}/man"
 269     fi
 270     if test x"$infodir" = x""; then
 271     infodir="${sharedir}/info"
 272     fi
 273 fi # mingw32
 274
 275 if test x"$includedir" = x""; then
 276 includedir="${prefix}/include"
 277 fi
 278
 279 if test x"$show_help" = "xyes" ; then
 280 cat << EOF
 281 Usage: configure [options]
 282 Options: [defaults in brackets after descriptions]
 283
 284 Standard options:
 285   --help                   print this message
 286   --prefix=PREFIX          install in PREFIX [$prefix]
 287   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 288                            [same as prefix]
 289   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 290   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 291   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 292   --includedir=DIR         C header files in DIR [PREFIX/include]
 293   --sharedir=DIR           documentation root DIR [PREFIX/share]
 294   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 295   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 296   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 297
 298 Advanced options (experts only):
 299   --source-path=PATH       path of source code [$source_path]
 300   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 301   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 302   --cc=CC                  use C compiler CC [$cc]
 303   --extra-cflags=          specify compiler flags [$CFLAGS]
 304   --extra-ldflags=         specify linker options []
 305   --cpu=CPU                CPU [$cpu]
 306   --strip-binaries         strip symbol tables from resulting binaries
 307   --disable-static         make libtcc.so instead of libtcc.a
 308   --disable-rpath          disable use of -rpath with the above
 309   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a in dynamic link
 310   --enable-tcc64-mingw     build windows version on linux with x86_64-win-tcc
 311   --enable-tcc32-mingw     build windows version on linux with i386-win-tcc
 312   --enable-mingw32         build windows version on linux with mingw32
 313   --enable-cygwin          build windows version on windows with cygwin
 314   --enable-cross           build cross compilers
 315   --enable-assert          enable debug assertions
 316   --with-selinux           use mmap for exec mem [needs writable /tmp]
 317   --sysincludepaths=...    specify system include paths, colon separated
 318   --libpaths=...           specify system library paths, colon separated
 319   --crtprefix=...          specify locations of crt?.o, colon separated
 320   --elfinterp=...          specify elf interpreter
 321 EOF
 322 #echo "NOTE: The object files are build at the place where configure is launched"
 323 exit 1
 324 fi
 325
 326 if test "$cc" != "tcc"; then
 327  ar="${cross_prefix}${ar}"
 328 fi
 329 cc="${cross_prefix}${cc}"
 330 strip="${cross_prefix}${strip}"
 331
 332 CONFTEST=./conftest$EXESUF
 333
 334 if test -z "$cross_prefix" ; then
 335   if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 336     echo "configure: error: '$cc' failed to compile conftest.c."
 337   else
 338     bigendian="$($CONFTEST bigendian)"
 339     gcc_major="$($CONFTEST version)"
 340     gcc_minor="$($CONFTEST minor)"
 341     if test "$mingw32" = "no" ; then
 342       triplet="$($CONFTEST triplet)"
 343       if test -f "/usr/lib/$triplet/crti.o" ; then
 344         tcc_lddir="lib"
 345         multiarch_triplet="$triplet"
 346       elif test "$cpu" != "x86" -a -f "/usr/lib64/crti.o" ; then
 347         tcc_lddir="lib64"
 348       fi
 349
 350       if test "$cpu" = "armv4l" ; then
 351         if test "${triplet%eabihf}" != "$triplet" ; then
 352            confvars="$confvars arm_eabihf"
 353         elif test "${triplet%eabi}" != "$triplet" ; then
 354            confvars="$confvars arm_eabi"
 355         fi
 356         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 357            confvars="$confvars arm_vfp"
 358         fi
 359       fi
 360
 361 #      multiarch_triplet=${libc_dir#*/}
 362 #      multiarch_triplet=${multiarch_triplet%/}
 363 #      tcc_lddir="${libc_dir%%/*}"
 364 #      if test -n "$multiarch_triplet" ; then
 365 #        tcc_lddir="$tcc_lddir/$multiarch_triplet"
 366 #      fi
 367
 368       if test -f "/lib/ld-uClibc.so.0" ; then
 369         confvars="$confvars uClibc"
 370       fi
 371 # gr: maybe for after the release:
 372 #       tcc_elfinterp="$(ldd $CONFTEST | grep 'ld.*.so' | sed 's,\s*\(\S\+\).*,\1,')"
 373        # echo "elfinterp           $tcc_elfinterp"
 374
 375     fi
 376   fi
 377 else
 378   # if cross compiling, cannot launch a program, so make a static guess
 379   case $cpu in
 380     powerpc|mips|s390)  bigendian=yes;;
 381   esac
 382 fi
 383
 384 # a final configuration tuning
 385 W_OPTIONS="deprecated-declarations strict-aliasing pointer-sign sign-compare unused-result uninitialized"
 386 for i in $W_OPTIONS; do
 387     O_PRESENT="$($cc -v --help 2>&1 | grep -- -W$i)"
 388     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -Wno-$i"; fi
 389 done
 390 F_OPTIONS="strict-aliasing"
 391 for i in $F_OPTIONS; do
 392     O_PRESENT="$($cc -v --help 2>&1 | grep -- -f$i)"
 393     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -fno-$i"; fi
 394 done
 395 if test -z "$tcc_lddir" -a "$cpu" = "x86-64"; then tcc_lddir="lib64"; fi
 396
 397 echo "Binary  directory   $bindir"
 398 echo "TinyCC directory    $tccdir"
 399 echo "Library directory   $libdir"
 400 echo "Include directory   $includedir"
 401 echo "Manual directory    $mandir"
 402 echo "Info directory      $infodir"
 403 echo "Doc directory       $docdir"
 404 echo "Target root prefix  $sysroot"
 405 echo "Source path      $source_path"
 406 echo "C compiler       $cc"
 407 echo "cross compilers  $build_cross"
 408 if test "$build_cross" = "no"; then
 409 echo "Target CPU       $cpu"
 410 fi
 411 echo "Host OS          $host_os"
 412 echo "Target OS        $targetos"
 413 echo "Big Endian       $bigendian"
 414 echo "gprof enabled    $gprof"
 415 echo "use libgcc       $use_libgcc"
 416
 417 echo "Creating config.mak and config.h"
 418
 419 cat >config.mak <<EOF
 420 # Automatically generated by configure - do not modify
 421 prefix=$prefix
 422 bindir=\$(DESTDIR)$bindir
 423 tccdir=\$(DESTDIR)$tccdir
 424 libdir=\$(DESTDIR)$libdir
 425 ln_libdir=$libdir
 426 includedir=\$(DESTDIR)$includedir
 427 mandir=\$(DESTDIR)$mandir
 428 infodir=\$(DESTDIR)$infodir
 429 docdir=\$(DESTDIR)$docdir
 430 CC=$cc
 431 GCC_MAJOR=$gcc_major
 432 GCC_MINOR=$gcc_minor
 433 HOST_CC=$host_cc
 434 AR=$ar
 435 STRIP=$strip -s -R .comment -R .note
 436 CFLAGS=$CFLAGS
 437 LDFLAGS=$LDFLAGS
 438 LIBSUF=$LIBSUF
 439 EXESUF=$EXESUF
 440 HOST_OS=$host_os
 441 EOF
 442 if test "$mingw32" = "yes"; then
 443 cat >>config.mak <<EOF
 444 XCC=$cc
 445 XAR=$ar
 446 EOF
 447 fi
 448
 449 print_inc() {
 450   if test -n "$2"; then
 451     echo "#ifndef $1" >> $TMPH
 452     echo "# define $1 \"$2\"" >> $TMPH
 453     echo "#endif" >> $TMPH
 454   fi
 455 }
 456 print_mak() {
 457   if test -n "$2"; then
 458     echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
 459   fi
 460 }
 461
 462 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 463
 464 print_inc CONFIG_SYSROOT "$sysroot"
 465 print_inc CONFIG_TCCDIR "$tccdir"
 466 print_inc CONFIG_LDDIR "$tcc_lddir"
 467 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 468 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 469 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 470 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 471 print_mak CONFIG_MULTIARCHDIR "$multiarch_triplet"
 472
 473 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 474 echo "#define GCC_MINOR $gcc_minor" >> $TMPH
 475
 476 if test "$cpu" = "x86" ; then
 477   echo "ARCH=i386" >> config.mak
 478 elif test "$cpu" = "x86-64" ; then
 479   echo "ARCH=x86-64" >> config.mak
 480 elif test "$cpu" = "armv4l" ; then
 481   echo "ARCH=arm" >> config.mak
 482   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 483 elif test "$cpu" = "aarch64" ; then
 484   echo "ARCH=arm64" >> config.mak
 485 elif test "$cpu" = "powerpc" ; then
 486   echo "ARCH=ppc" >> config.mak
 487 elif test "$cpu" = "mips" ; then
 488   echo "ARCH=mips" >> config.mak
 489 elif test "$cpu" = "s390" ; then
 490   echo "ARCH=s390" >> config.mak
 491 elif test "$cpu" = "alpha" ; then
 492   echo "ARCH=alpha" >> config.mak
 493 else
 494   echo "Unsupported CPU"
 495   exit 1
 496 fi
 497
 498 echo "TARGETOS=$targetos" >> config.mak
 499
 500 for v in $confvars ; do
 501   echo "CONFIG_$v=yes" >> config.mak
 502 done
 503 if test "$noldl" = "yes" ; then
 504   echo "CONFIG_NOLDL=yes" >> config.mak
 505 fi
 506 if test "$mingw32" = "yes" ; then
 507   echo "CONFIG_WIN32=yes" >> config.mak
 508   echo "#define CONFIG_WIN32 1" >> $TMPH
 509 fi
 510 if test "$cygwin" = "yes" ; then
 511   echo "#ifndef _WIN32" >> $TMPH
 512   echo "# define _WIN32" >> $TMPH
 513   echo "#endif" >> $TMPH
 514   echo "AR=ar" >> config.mak
 515 fi
 516 if test "$bigendian" = "yes" ; then
 517   echo "WORDS_BIGENDIAN=yes" >> config.mak
 518   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 519 fi
 520 if test "$gprof" = "yes" ; then
 521   echo "TARGET_GPROF=yes" >> config.mak
 522   echo "#define HAVE_GPROF 1" >> $TMPH
 523 fi
 524 if test "$build_cross" = "yes" ; then
 525   echo "CONFIG_CROSS=yes" >> config.mak
 526 fi
 527 if test "$disable_static" = "yes" ; then
 528   echo "DISABLE_STATIC=yes" >> config.mak
 529 fi
 530 if test "$disable_rpath" = "yes" ; then
 531   echo "DISABLE_RPATH=yes" >> config.mak
 532 fi
 533 if test "$strip_binaries" = "yes" ; then
 534   echo "STRIP_BINARIES=yes" >> config.mak
 535 fi
 536 if test "$use_libgcc" = "yes" ; then
 537   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 538   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 539 fi
 540 if test "$have_selinux" = "yes" ; then
 541   echo "#define HAVE_SELINUX" >> $TMPH
 542   echo "HAVE_SELINUX=yes" >> config.mak
 543 fi
 544 if test "$enable_assert" = "yes" ; then
 545   echo "#define CONFIG_TCC_ASSERT" >> $TMPH
 546 fi
 547
 548 version=`head $source_path/VERSION`
 549 echo "VERSION=$version" >>config.mak
 550 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 551 echo "@set VERSION $version" > config.texi
 552 echo "SRC_PATH=$source_path" >>config.mak
 553
 554 if test "$source_path_used" = "yes" ; then
 555     case $source_path in
 556        /*) echo "top_srcdir=$source_path";;
 557         *) echo "top_srcdir=\$(TOP)/$source_path";;
 558      esac >>config.mak
 559 else
 560      echo 'top_srcdir=$(TOP)' >>config.mak
 561 fi
 562 echo 'top_builddir=$(TOP)' >>config.mak
 563
 564 diff $TMPH config.h >/dev/null 2>&1
 565 if test $? -ne 0 ; then
 566     mv -f $TMPH config.h
 567 else
 568     echo "config.h is unchanged"
 569 fi
 570
 571 rm -f $TMPN* $CONFTEST
 572
 573 # ---------------------------------------------------------------------------
 574 # build tree in object directory if source path is different from current one
 575
 576 fn_makelink()
 577 {
 578     tgt=$1/$2
 579     case $2 in
 580     */*) dn=${2%/*}
 581          test -d $dn || mkdir -p $dn
 582          case $1 in
 583          /*) ;;
 584           *) while test $dn ; do
 585                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 586              done
 587              ;;
 588          esac
 589          ;;
 590     esac
 591     ln -sfn $tgt $2
 592 }
 593
 594 if test "$source_path_used" = "yes" ; then
 595   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile"
 596   for f in $FILES ; do
 597     fn_makelink $source_path $f
 598   done
 599 fi
 600
 601 # ---------------------------------------------------------------------------