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
  50 cpu=`uname -m`
  51
  52 # OS specific
  53 targetos=`uname -s`
  54 case $targetos in
  55   MINGW32*)  mingw32=yes;;
  56   DragonFly) noldl=yes;;
  57   OpenBSD)   noldl=yes;;
  58   FreeBSD)   noldl=yes;;
  59   NetBSD)    noldl=yes;;
  60   *) ;;
  61 esac
  62
  63 # find source path
  64 # XXX: we assume an absolute path is given when launching configure,
  65 # except in './configure' case.
  66 source_path=${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     alpha)
 103       cpu="alpha"
 104     ;;
 105     "Power Macintosh"|ppc|ppc64)
 106       cpu="powerpc"
 107     ;;
 108     mips)
 109       cpu="mips"
 110     ;;
 111     s390)
 112       cpu="s390"
 113     ;;
 114     *)
 115       echo "Unsupported CPU: $cpu"
 116       exit 1
 117     ;;
 118   esac
 119 }
 120
 121 for opt do
 122   eval opt=\"$opt\"
 123   case "$opt" in
 124   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 125   ;;
 126   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 127   ;;
 128   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
 129   ;;
 130   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 131   ;;
 132   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 133   ;;
 134   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 135   ;;
 136   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 137   ;;
 138   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 139   ;;
 140   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 141   ;;
 142   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 143   ;;
 144   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 145   ;;
 146   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 147   ;;
 148   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 149   ;;
 150   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 151   ;;
 152   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 153   ;;
 154   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 155   ;;
 156   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 157   ;;
 158   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 159   ;;
 160   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 161   ;;
 162   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 163   ;;
 164   --extra-libs=*) extralibs=${opt#--extra-libs=}
 165   ;;
 166   --cpu=*) build_cpu=`echo $opt | cut -d '=' -f 2`
 167   ;;
 168   --enable-gprof) gprof="yes"
 169   ;;
 170   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 171   ;;
 172   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 173   ;;
 174   --enable-cross) build_cross="yes"
 175   ;;
 176   --enable-assert) enable_assert="yes"
 177   ;;
 178   --disable-static) disable_static="yes"
 179   ;;
 180   --disable-rpath) disable_rpath="yes"
 181   ;;
 182   --strip-binaries) strip_binaries="yes"
 183   ;;
 184   --with-libgcc) use_libgcc="yes"
 185   ;;
 186   --with-selinux) have_selinux="yes"
 187   ;;
 188   --help|-h) show_help="yes"
 189   ;;
 190   *) echo "configure: WARNING: unrecognized option $opt"
 191   ;;
 192   esac
 193 done
 194
 195 classify_cpu "$cpu"
 196
 197 # Checking for CFLAGS
 198 if test -z "$CFLAGS"; then
 199     CFLAGS="-Wall -g -O2"
 200 fi
 201
 202 if test "$mingw32" = "yes" ; then
 203     if test x"$tccdir" = x""; then
 204     tccdir="tcc"
 205     fi
 206     if test -z "$prefix" ; then
 207     prefix="C:/Program Files/${tccdir}"
 208     fi
 209     if test -z "$sharedir" ; then
 210     sharedir="${prefix}"
 211     fi
 212     execprefix="$prefix"
 213     bindir="${prefix}"
 214     tccdir="${prefix}"
 215     libdir="${prefix}/lib"
 216     docdir="${sharedir}/doc"
 217     mandir="${sharedir}/man"
 218     infodir="${sharedir}/info"
 219     LIBSUF=".lib"
 220     EXESUF=".exe"
 221 else
 222     if test -z "$prefix" ; then
 223     prefix="/usr/local"
 224     fi
 225     if test -z "$sharedir" ; then
 226     sharedir="${prefix}/share"
 227     fi
 228     if test x"$execprefix" = x""; then
 229     execprefix="${prefix}"
 230     fi
 231     if test x"$libdir" = x""; then
 232     libdir="${execprefix}/lib"
 233     fi
 234     if test x"$bindir" = x""; then
 235     bindir="${execprefix}/bin"
 236     fi
 237     if test x"$tccdir" = x""; then
 238     tccdir="tcc"
 239     fi
 240     if test x"$docdir" = x""; then
 241     docdir="${sharedir}/doc/${tccdir}"
 242     fi
 243     if test x"$mandir" = x""; then
 244     mandir="${sharedir}/man"
 245     fi
 246     if test x"$infodir" = x""; then
 247     infodir="${sharedir}/info"
 248     fi
 249     tccdir="${libdir}/${tccdir}"
 250 fi # mingw32
 251
 252 if test x"$includedir" = x""; then
 253 includedir="${prefix}/include"
 254 fi
 255
 256 if test x"$show_help" = "xyes" ; then
 257 cat << EOF
 258 Usage: configure [options]
 259 Options: [defaults in brackets after descriptions]
 260
 261 Standard options:
 262   --help                   print this message
 263   --prefix=PREFIX          install in PREFIX [$prefix]
 264   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 265                            [same as prefix]
 266   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 267   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 268   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 269   --includedir=DIR         C header files in DIR [PREFIX/include]
 270   --sharedir=DIR           documentation root DIR [PREFIX/share]
 271   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 272   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 273   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 274
 275 Advanced options (experts only):
 276   --source-path=PATH       path of source code [$source_path]
 277   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 278   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 279   --cc=CC                  use C compiler CC [$cc]
 280   --extra-cflags=          specify compiler flags [$CFLAGS]
 281   --extra-ldflags=         specify linker options []
 282   --cpu=CPU                CPU [$cpu]
 283   --strip-binaries         strip symbol tables from resulting binaries
 284   --disable-static         make libtcc.so instead of libtcc.a
 285   --disable-rpath          disable use of -rpath with the above
 286   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a in dynamic link
 287   --enable-mingw32         build windows version on linux with mingw32
 288   --enable-cygwin          build windows version on windows with cygwin
 289   --enable-cross           build cross compilers
 290   --enable-assert          enable debug assertions
 291   --with-selinux           use mmap for exec mem [needs writable /tmp]
 292   --sysincludepaths=...    specify system include paths, colon separated
 293   --libpaths=...           specify system library paths, colon separated
 294   --crtprefix=...          specify locations of crt?.o, colon separated
 295   --elfinterp=...          specify elf interpreter
 296 EOF
 297 #echo "NOTE: The object files are build at the place where configure is launched"
 298 exit 1
 299 fi
 300
 301 cc="${cross_prefix}${cc}"
 302 ar="${cross_prefix}${ar}"
 303 strip="${cross_prefix}${strip}"
 304
 305 CONFTEST=./conftest$EXESUF
 306
 307 if test -z "$cross_prefix" ; then
 308   if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 309     echo "configure: error: '$cc' failed to compile conftest.c."
 310   else
 311     bigendian="$($CONFTEST bigendian)"
 312     gcc_major="$($CONFTEST version)"
 313     gcc_minor="$($CONFTEST minor)"
 314     if test "$mingw32" = "no" ; then
 315       triplet="$($CONFTEST triplet)"
 316       if test -f "/usr/lib/$triplet/crti.o" ; then
 317         tcc_lddir="lib"
 318         multiarch_triplet="$triplet"
 319       elif test -f "/usr/lib64/crti.o" ; then
 320         tcc_lddir="lib64"
 321       fi
 322
 323       if test "$cpu" = "armv4l" ; then
 324         if test "${triplet%eabihf}" != "$triplet" ; then
 325            confvars="$confvars arm_eabihf"
 326         elif test "${triplet%eabi}" != "$triplet" ; then
 327            confvars="$confvars arm_eabi"
 328         fi
 329         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 330            confvars="$confvars arm_vfp"
 331         fi
 332       fi
 333
 334 #      multiarch_triplet=${libc_dir#*/}
 335 #      multiarch_triplet=${multiarch_triplet%/}
 336 #      tcc_lddir="${libc_dir%%/*}"
 337 #      if test -n "$multiarch_triplet" ; then
 338 #        tcc_lddir="$tcc_lddir/$multiarch_triplet"
 339 #      fi
 340
 341       if test -f "/lib/ld-uClibc.so.0" ; then
 342         confvars="$confvars uClibc"
 343       fi
 344 # gr: maybe for after the release:
 345 #       tcc_elfinterp="$(ldd $CONFTEST | grep 'ld.*.so' | sed 's,\s*\(\S\+\).*,\1,')"
 346        # echo "elfinterp           $tcc_elfinterp"
 347
 348     fi
 349   fi
 350 else
 351   # if cross compiling, cannot launch a program, so make a static guess
 352   case $cpu in
 353     powerpc|mips|s390)  bigendian=yes;;
 354   esac
 355 fi
 356
 357 cat <<EOF
 358 Binary  directory   $bindir
 359 TinyCC directory    $tccdir
 360 Library directory   $libdir
 361 Include directory   $includedir
 362 Manual directory    $mandir
 363 Info directory      $infodir
 364 Doc directory       $docdir
 365 Target root prefix  $sysroot
 366 Source path      $source_path
 367 C compiler       $cc
 368 Build CPU        $cpu
 369 Target OS        $targetos
 370 Big Endian       $bigendian
 371 gprof enabled    $gprof
 372 cross compilers  $build_cross
 373 use libgcc       $use_libgcc
 374 EOF
 375
 376 echo "Creating config.mak and config.h"
 377
 378 cat >config.mak <<EOF
 379 # Automatically generated by configure - do not modify
 380 prefix=$prefix
 381 bindir=\$(DESTDIR)$bindir
 382 tccdir=\$(DESTDIR)$tccdir
 383 libdir=\$(DESTDIR)$libdir
 384 ln_libdir=$libdir
 385 includedir=\$(DESTDIR)$includedir
 386 mandir=\$(DESTDIR)$mandir
 387 infodir=\$(DESTDIR)$infodir
 388 docdir=\$(DESTDIR)$docdir
 389 CC=$cc
 390 GCC_MAJOR=$gcc_major
 391 GCC_MINOR=$gcc_minor
 392 HOST_CC=$host_cc
 393 AR=$ar
 394 STRIP=$strip -s -R .comment -R .note
 395 CFLAGS=$CFLAGS
 396 LDFLAGS=$LDFLAGS
 397 LIBSUF=$LIBSUF
 398 EXESUF=$EXESUF
 399 EOF
 400
 401 print_inc() {
 402   if test -n "$2"; then
 403     echo "#ifndef $1" >> $TMPH
 404     echo "# define $1 \"$2\"" >> $TMPH
 405     echo "#endif" >> $TMPH
 406   fi
 407 }
 408 print_mak() {
 409   if test -n "$2"; then
 410     echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
 411   fi
 412 }
 413
 414 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 415
 416 print_inc CONFIG_SYSROOT "$sysroot"
 417 print_inc CONFIG_TCCDIR "$tccdir"
 418 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 419 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 420 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 421 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 422 print_mak CONFIG_LDDIR "$tcc_lddir"
 423 print_mak CONFIG_MULTIARCHDIR "$multiarch_triplet"
 424
 425 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 426 echo "#define GCC_MINOR $gcc_minor" >> $TMPH
 427
 428 if test "$cpu" = "x86" ; then
 429   echo "ARCH=i386" >> config.mak
 430   echo "#define HOST_I386 1" >> $TMPH
 431 elif test "$cpu" = "x86-64" ; then
 432   echo "ARCH=x86-64" >> config.mak
 433   echo "#define HOST_X86_64 1" >> $TMPH
 434 elif test "$cpu" = "armv4l" ; then
 435   echo "ARCH=arm" >> config.mak
 436   echo "#define HOST_ARM 1" >> $TMPH
 437   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 438 elif test "$cpu" = "powerpc" ; then
 439   echo "ARCH=ppc" >> config.mak
 440   echo "#define HOST_PPC 1" >> $TMPH
 441 elif test "$cpu" = "mips" ; then
 442   echo "ARCH=mips" >> config.mak
 443   echo "#define HOST_MIPS 1" >> $TMPH
 444 elif test "$cpu" = "s390" ; then
 445   echo "ARCH=s390" >> config.mak
 446   echo "#define HOST_S390 1" >> $TMPH
 447 elif test "$cpu" = "alpha" ; then
 448   echo "ARCH=alpha" >> config.mak
 449   echo "#define HOST_ALPHA 1" >> $TMPH
 450 else
 451   echo "Unsupported CPU"
 452   exit 1
 453 fi
 454
 455 echo "TARGETOS=$targetos" >> config.mak
 456
 457 for v in $confvars ; do
 458   echo "CONFIG_$v=yes" >> config.mak
 459 done
 460 if test "$noldl" = "yes" ; then
 461   echo "CONFIG_NOLDL=yes" >> config.mak
 462 fi
 463 if test "$mingw32" = "yes" ; then
 464   echo "CONFIG_WIN32=yes" >> config.mak
 465   echo "#define CONFIG_WIN32 1" >> $TMPH
 466 fi
 467 if test "$cygwin" = "yes" ; then
 468   echo "#ifndef _WIN32" >> $TMPH
 469   echo "# define _WIN32" >> $TMPH
 470   echo "#endif" >> $TMPH
 471   echo "AR=ar" >> config.mak
 472 fi
 473 if test "$bigendian" = "yes" ; then
 474   echo "WORDS_BIGENDIAN=yes" >> config.mak
 475   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 476 fi
 477 if test "$gprof" = "yes" ; then
 478   echo "TARGET_GPROF=yes" >> config.mak
 479   echo "#define HAVE_GPROF 1" >> $TMPH
 480 fi
 481 if test "$build_cross" = "yes" ; then
 482   echo "CONFIG_CROSS=yes" >> config.mak
 483 fi
 484 if test "$disable_static" = "yes" ; then
 485   echo "DISABLE_STATIC=yes" >> config.mak
 486 fi
 487 if test "$disable_rpath" = "yes" ; then
 488   echo "DISABLE_RPATH=yes" >> config.mak
 489 fi
 490 if test "$strip_binaries" = "yes" ; then
 491   echo "STRIP_BINARIES=yes" >> config.mak
 492 fi
 493 if test "$use_libgcc" = "yes" ; then
 494   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 495   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 496 fi
 497 if test "$have_selinux" = "yes" ; then
 498   echo "#define HAVE_SELINUX" >> $TMPH
 499   echo "HAVE_SELINUX=yes" >> config.mak
 500 fi
 501 if test "$enable_assert" = "yes" ; then
 502   echo "#define CONFIG_TCC_ASSERT" >> $TMPH
 503 fi
 504
 505 version=`head $source_path/VERSION`
 506 echo "VERSION=$version" >>config.mak
 507 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 508 echo "@set VERSION $version" > config.texi
 509 echo "SRC_PATH=$source_path" >>config.mak
 510
 511 if test "$source_path_used" = "yes" ; then
 512     case $source_path in
 513        /*) echo "top_srcdir=$source_path";;
 514         *) echo "top_srcdir=\$(TOP)/$source_path";;
 515      esac >>config.mak
 516 else
 517      echo 'top_srcdir=$(TOP)' >>config.mak
 518 fi
 519 echo 'top_builddir=$(TOP)' >>config.mak
 520
 521 diff $TMPH config.h >/dev/null 2>&1
 522 if test $? -ne 0 ; then
 523     mv -f $TMPH config.h
 524 else
 525     echo "config.h is unchanged"
 526 fi
 527
 528 rm -f $TMPN* $CONFTEST
 529
 530 # ---------------------------------------------------------------------------
 531 # build tree in object directory if source path is different from current one
 532
 533 fn_makelink()
 534 {
 535     tgt=$1/$2
 536     case $2 in
 537     */*) dn=${2%/*}
 538          test -d $dn || mkdir -p $dn
 539          case $1 in
 540          /*) ;;
 541           *) while test $dn ; do
 542                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 543              done
 544              ;;
 545          esac
 546          ;;
 547     esac
 548     ln -sfn $tgt $2
 549 }
 550
 551 if test "$source_path_used" = "yes" ; then
 552   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile"
 553   for f in $FILES ; do
 554     fn_makelink $source_path $f
 555   done
 556 fi
 557
 558 # ---------------------------------------------------------------------------