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 $targetos in
  55   MINGW32*)  mingw32=yes;;
  56   DragonFly) noldl=yes;;
  57   OpenBSD)   noldl=yes;;
  58   FreeBSD)   noldl=yes;;
  59   *) ;;
  60 esac
  61
  62 # find source path
  63 # XXX: we assume an absolute path is given when launching configure,
  64 # except in './configure' case.
  65 source_path=${0%configure}
  66 source_path=${source_path%/}
  67 source_path_used="yes"
  68 if test -z "$source_path" -o "$source_path" = "." ; then
  69     source_path=`pwd`
  70     source_path_used="no"
  71 fi
  72
  73 case "$cpu" in
  74   i386|i486|i586|i686|i86pc|BePC|i686-AT386)
  75     cpu="x86"
  76   ;;
  77   x86_64|amd64)
  78     cpu="x86-64"
  79   ;;
  80   arm*)
  81     case "$cpu" in
  82       arm|armv4l)
  83         cpuver=4
  84       ;;
  85       armv5tel|armv5tejl)
  86         cpuver=5
  87       ;;
  88       armv6j|armv6l)
  89         cpuver=6
  90       ;;
  91       armv7a|armv7l)
  92         cpuver=7
  93       ;;
  94     esac
  95     cpu="armv4l"
  96   ;;
  97   alpha)
  98     cpu="alpha"
  99   ;;
 100   "Power Macintosh"|ppc|ppc64)
 101     cpu="powerpc"
 102   ;;
 103   mips)
 104     cpu="mips"
 105   ;;
 106   s390)
 107     cpu="s390"
 108   ;;
 109   *)
 110     cpu="unknown"
 111   ;;
 112 esac
 113
 114 for opt do
 115   eval opt=\"$opt\"
 116   case "$opt" in
 117   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 118   ;;
 119   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 120   ;;
 121   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
 122   ;;
 123   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 124   ;;
 125   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 126   ;;
 127   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 128   ;;
 129   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 130   ;;
 131   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 132   ;;
 133   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 134   ;;
 135   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 136   ;;
 137   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 138   ;;
 139   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 140   ;;
 141   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 142   ;;
 143   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 144   ;;
 145   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 146   ;;
 147   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 148   ;;
 149   --extra-libs=*) extralibs=${opt#--extra-libs=}
 150   ;;
 151   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 152   ;;
 153   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 154   ;;
 155   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 156   ;;
 157   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 158   ;;
 159   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 160   ;;
 161   --enable-gprof) gprof="yes"
 162   ;;
 163   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 164   ;;
 165   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 166   ;;
 167   --enable-cross) build_cross="yes"
 168   ;;
 169   --enable-assert) enable_assert="yes"
 170   ;;
 171   --disable-static) disable_static="yes"
 172   ;;
 173   --disable-rpath) disable_rpath="yes"
 174   ;;
 175   --strip-binaries) strip_binaries="yes"
 176   ;;
 177   --with-libgcc) use_libgcc="yes"
 178   ;;
 179   --with-selinux) have_selinux="yes"
 180   ;;
 181   --help|-h) show_help="yes"
 182   ;;
 183   *) echo "configure: WARNING: unrecognized option $opt"
 184   ;;
 185   esac
 186 done
 187
 188 # Checking for CFLAGS
 189 if test -z "$CFLAGS"; then
 190     CFLAGS="-Wall -g -O2"
 191 fi
 192
 193 if test "$mingw32" = "yes" ; then
 194     if test x"$tccdir" = x""; then
 195     tccdir="tcc"
 196     fi
 197     if test -z "$prefix" ; then
 198     prefix="C:/Program Files/${tccdir}"
 199     fi
 200     if test -z "$sharedir" ; then
 201     sharedir="${prefix}"
 202     fi
 203     execprefix="$prefix"
 204     bindir="${prefix}"
 205     tccdir="${prefix}"
 206     libdir="${prefix}/lib"
 207     docdir="${sharedir}/doc"
 208     mandir="${sharedir}/man"
 209     infodir="${sharedir}/info"
 210     LIBSUF=".lib"
 211     EXESUF=".exe"
 212 else
 213     if test -z "$prefix" ; then
 214     prefix="/usr/local"
 215     fi
 216     if test -z "$sharedir" ; then
 217     sharedir="${prefix}/share"
 218     fi
 219     if test x"$execprefix" = x""; then
 220     execprefix="${prefix}"
 221     fi
 222     if test x"$libdir" = x""; then
 223     libdir="${execprefix}/lib"
 224     fi
 225     if test x"$bindir" = x""; then
 226     bindir="${execprefix}/bin"
 227     fi
 228     if test x"$tccdir" = x""; then
 229     tccdir="tcc"
 230     fi
 231     if test x"$docdir" = x""; then
 232     docdir="${sharedir}/doc/${tccdir}"
 233     fi
 234     if test x"$mandir" = x""; then
 235     mandir="${sharedir}/man"
 236     fi
 237     if test x"$infodir" = x""; then
 238     infodir="${sharedir}/info"
 239     fi
 240     tccdir="${libdir}/${tccdir}"
 241 fi # mingw32
 242
 243 if test x"$includedir" = x""; then
 244 includedir="${prefix}/include"
 245 fi
 246
 247 if test x"$show_help" = "xyes" ; then
 248 cat << EOF
 249 Usage: configure [options]
 250 Options: [defaults in brackets after descriptions]
 251
 252 Standard options:
 253   --help                   print this message
 254   --prefix=PREFIX          install in PREFIX [$prefix]
 255   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 256                            [same as prefix]
 257   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 258   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 259   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 260   --includedir=DIR         C header files in DIR [PREFIX/include]
 261   --sharedir=DIR           documentation root DIR [PREFIX/share]
 262   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 263   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 264   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 265
 266 Advanced options (experts only):
 267   --source-path=PATH       path of source code [$source_path]
 268   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 269   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 270   --cc=CC                  use C compiler CC [$cc]
 271   --extra-cflags=          specify compiler flags [$CFLAGS]
 272   --extra-ldflags=         specify linker options []
 273   --strip-binaries         strip symbol tables from resulting binaries
 274   --disable-static         make libtcc.so instead of libtcc.a
 275   --disable-rpath          disable use of -rpath with the above
 276   --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc.a
 277   --enable-mingw32         build windows version on linux with mingw32
 278   --enable-cygwin          build windows version on windows with cygwin
 279   --enable-cross           build cross compilers
 280   --enable-assert          enable debug assertions
 281   --with-selinux           use mmap for exec mem [needs writable /tmp]
 282   --sysincludepaths=...    specify system include paths, colon separated
 283   --libpaths=...           specify system library paths, colon separated
 284   --crtprefix=...          specify locations of crt?.o, colon separated
 285   --elfinterp=...          specify elf interpreter
 286 EOF
 287 #echo "NOTE: The object files are build at the place where configure is launched"
 288 exit 1
 289 fi
 290
 291 cc="${cross_prefix}${cc}"
 292 ar="${cross_prefix}${ar}"
 293 strip="${cross_prefix}${strip}"
 294
 295 CONFTEST=./conftest$EXESUF
 296
 297 if test -z "$cross_prefix" ; then
 298   if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 299     echo "configure: error: '$cc' failed to compile conftest.c."
 300   else
 301     bigendian="$($CONFTEST bigendian)"
 302     gcc_major="$($CONFTEST version)"
 303     gcc_minor="$($CONFTEST minor)"
 304     if test "$mingw32" = "no" ; then
 305       triplet="$($CONFTEST triplet)"
 306       if test -f "/usr/lib/$triplet/crti.o" ; then
 307         tcc_lddir="lib/$triplet"
 308         multiarch_triplet="$triplet"
 309       elif test -f "/usr/lib64/crti.o" ; then
 310         tcc_lddir="lib64"
 311       fi
 312
 313       if test "$cpu" = "armv4l" ; then
 314         if test "${triplet%eabihf}" != "$triplet" ; then
 315            confvars="$confvars arm_eabihf"
 316         elif test "${triplet%eabi}" != "$triplet" ; then
 317            confvars="$confvars arm_eabi"
 318         fi
 319         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 320            confvars="$confvars arm_vfp"
 321         fi
 322       fi
 323
 324 #      multiarch_triplet=${libc_dir#*/}
 325 #      multiarch_triplet=${multiarch_triplet%/}
 326 #      tcc_lddir="${libc_dir%%/*}"
 327 #      if test -n "$multiarch_triplet" ; then
 328 #        tcc_lddir="$tcc_lddir/$multiarch_triplet"
 329 #      fi
 330
 331       if test -f "/lib/ld-uClibc.so.0" ; then
 332         confvars="$confvars uClibc"
 333       fi
 334 # gr: maybe for after the release:
 335 #       tcc_elfinterp="$(ldd $CONFTEST | grep 'ld.*.so' | sed 's,\s*\(\S\+\).*,\1,')"
 336        # echo "elfinterp           $tcc_elfinterp"
 337
 338     fi
 339   fi
 340 else
 341   # if cross compiling, cannot launch a program, so make a static guess
 342   case $cpu in
 343     powerpc|mips|s390)  bigendian=yes;;
 344   esac
 345 fi
 346
 347 cat <<EOF
 348 Binary  directory   $bindir
 349 TinyCC directory    $tccdir
 350 Library directory   $libdir
 351 Include directory   $includedir
 352 Manual directory    $mandir
 353 Info directory      $infodir
 354 Doc directory       $docdir
 355 Target root prefix  $sysroot
 356 Source path      $source_path
 357 C compiler       $cc
 358 Target OS        $targetos
 359 CPU              $cpu
 360 Big Endian       $bigendian
 361 gprof enabled    $gprof
 362 cross compilers  $build_cross
 363 use libgcc       $use_libgcc
 364 EOF
 365
 366 echo "Creating config.mak and config.h"
 367
 368 cat >config.mak <<EOF
 369 # Automatically generated by configure - do not modify
 370 prefix=$prefix
 371 bindir=\$(DESTDIR)$bindir
 372 tccdir=\$(DESTDIR)$tccdir
 373 libdir=\$(DESTDIR)$libdir
 374 ln_libdir=$libdir
 375 includedir=\$(DESTDIR)$includedir
 376 mandir=\$(DESTDIR)$mandir
 377 infodir=\$(DESTDIR)$infodir
 378 docdir=\$(DESTDIR)$docdir
 379 CC=$cc
 380 GCC_MAJOR=$gcc_major
 381 GCC_MINOR=$gcc_minor
 382 HOST_CC=$host_cc
 383 AR=$ar
 384 STRIP=$strip -s -R .comment -R .note
 385 CFLAGS=$CFLAGS
 386 LDFLAGS=$LDFLAGS
 387 LIBSUF=$LIBSUF
 388 EXESUF=$EXESUF
 389 EOF
 390
 391 print_inc() {
 392   if test -n "$2"; then
 393     echo "#ifndef $1" >> $TMPH
 394     echo "# define $1 \"$2\"" >> $TMPH
 395     echo "#endif" >> $TMPH
 396   fi
 397 }
 398 print_mak() {
 399   if test -n "$2"; then
 400     echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
 401   fi
 402 }
 403
 404 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 405
 406 print_inc CONFIG_SYSROOT "$sysroot"
 407 print_inc CONFIG_TCCDIR "$tccdir"
 408 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 409 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 410 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 411 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 412 print_mak CONFIG_LDDIR "$tcc_lddir"
 413 print_mak CONFIG_MULTIARCHDIR "$multiarch_triplet"
 414
 415 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 416 echo "#define GCC_MINOR $gcc_minor" >> $TMPH
 417
 418 if test "$cpu" = "x86" ; then
 419   echo "ARCH=i386" >> config.mak
 420   echo "#define HOST_I386 1" >> $TMPH
 421 elif test "$cpu" = "x86-64" ; then
 422   echo "ARCH=x86-64" >> config.mak
 423   echo "#define HOST_X86_64 1" >> $TMPH
 424 elif test "$cpu" = "armv4l" ; then
 425   echo "ARCH=arm" >> config.mak
 426   echo "#define HOST_ARM 1" >> $TMPH
 427   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 428 elif test "$cpu" = "powerpc" ; then
 429   echo "ARCH=ppc" >> config.mak
 430   echo "#define HOST_PPC 1" >> $TMPH
 431 elif test "$cpu" = "mips" ; then
 432   echo "ARCH=mips" >> config.mak
 433   echo "#define HOST_MIPS 1" >> $TMPH
 434 elif test "$cpu" = "s390" ; then
 435   echo "ARCH=s390" >> config.mak
 436   echo "#define HOST_S390 1" >> $TMPH
 437 elif test "$cpu" = "alpha" ; then
 438   echo "ARCH=alpha" >> config.mak
 439   echo "#define HOST_ALPHA 1" >> $TMPH
 440 else
 441   echo "Unsupported CPU"
 442   exit 1
 443 fi
 444
 445 echo "TARGETOS=$targetos" >> config.mak
 446
 447 for v in $confvars ; do
 448   echo "CONFIG_$v=yes" >> config.mak
 449 done
 450 if test "$noldl" = "yes" ; then
 451   echo "CONFIG_NOLDL=yes" >> config.mak
 452 fi
 453 if test "$mingw32" = "yes" ; then
 454   echo "CONFIG_WIN32=yes" >> config.mak
 455   echo "#define CONFIG_WIN32 1" >> $TMPH
 456 fi
 457 if test "$cygwin" = "yes" ; then
 458   echo "#ifndef _WIN32" >> $TMPH
 459   echo "# define _WIN32" >> $TMPH
 460   echo "#endif" >> $TMPH
 461   echo "AR=ar" >> config.mak
 462 fi
 463 if test "$bigendian" = "yes" ; then
 464   echo "WORDS_BIGENDIAN=yes" >> config.mak
 465   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 466 fi
 467 if test "$gprof" = "yes" ; then
 468   echo "TARGET_GPROF=yes" >> config.mak
 469   echo "#define HAVE_GPROF 1" >> $TMPH
 470 fi
 471 if test "$build_cross" = "yes" ; then
 472   echo "CONFIG_CROSS=yes" >> config.mak
 473 fi
 474 if test "$disable_static" = "yes" ; then
 475   echo "DISABLE_STATIC=yes" >> config.mak
 476 fi
 477 if test "$disable_rpath" = "yes" ; then
 478   echo "DISABLE_RPATH=yes" >> config.mak
 479 fi
 480 if test "$strip_binaries" = "yes" ; then
 481   echo "STRIP_BINARIES=yes" >> config.mak
 482 fi
 483 if test "$use_libgcc" = "yes" ; then
 484   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 485   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 486 fi
 487 if test "$have_selinux" = "yes" ; then
 488   echo "#define HAVE_SELINUX" >> $TMPH
 489   echo "HAVE_SELINUX=yes" >> config.mak
 490 fi
 491 if test "$enable_assert" = "yes" ; then
 492   echo "#define CONFIG_TCC_ASSERT" >> $TMPH
 493 fi
 494
 495 version=`head $source_path/VERSION`
 496 echo "VERSION=$version" >>config.mak
 497 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 498 echo "@set VERSION $version" > config.texi
 499 echo "SRC_PATH=$source_path" >>config.mak
 500
 501 if test "$source_path_used" = "yes" ; then
 502     case $source_path in
 503        /*) echo "top_srcdir=$source_path";;
 504         *) echo "top_srcdir=\$(TOP)/$source_path";;
 505      esac >>config.mak
 506 else
 507      echo 'top_srcdir=$(TOP)' >>config.mak
 508 fi
 509 echo 'top_builddir=$(TOP)' >>config.mak
 510
 511 diff $TMPH config.h >/dev/null 2>&1
 512 if test $? -ne 0 ; then
 513     mv -f $TMPH config.h
 514 else
 515     echo "config.h is unchanged"
 516 fi
 517
 518 rm -f $TMPN* $CONFTEST
 519
 520 # ---------------------------------------------------------------------------
 521 # build tree in object directory if source path is different from current one
 522
 523 fn_makelink()
 524 {
 525     tgt=$1/$2
 526     case $2 in
 527     */*) dn=${2%/*}
 528          test -d $dn || mkdir -p $dn
 529          case $1 in
 530          /*) ;;
 531           *) while test $dn ; do
 532                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 533              done
 534              ;;
 535          esac
 536          ;;
 537     esac
 538     ln -sfn $tgt $2
 539 }
 540
 541 if test "$source_path_used" = "yes" ; then
 542   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile"
 543   for f in $FILES ; do
 544     fn_makelink $source_path $f
 545   done
 546 fi
 547
 548 # ---------------------------------------------------------------------------