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