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 prefix=""
  23 execprefix=""
  24 bindir=""
  25 libdir=""
  26 tccdir=""
  27 includedir=""
  28 mandir=""
  29 infodir=""
  30 sysroot=""
  31 cross_prefix=""
  32 cc="gcc"
  33 host_cc="gcc"
  34 ar="ar"
  35 strip="strip"
  36 cygwin="no"
  37 gprof="no"
  38 bigendian="no"
  39 mingw32="no"
  40 LIBSUF=".a"
  41 EXESUF=""
  42 tcc_sysincludepaths=""
  43 tcc_libpaths=""
  44 tcc_crtprefix=""
  45 tcc_elfinterp=""
  46 tcc_lddir=
  47
  48 cpu=`uname -m`
  49
  50 # OS specific
  51 targetos=`uname -s`
  52 case $targetos in
  53   MINGW32*)  mingw32=yes;;
  54   DragonFly) noldl=yes;;
  55   OpenBSD)   noldl=yes;;
  56   *) ;;
  57 esac
  58
  59 # find source path
  60 # XXX: we assume an absolute path is given when launching configure,
  61 # except in './configure' case.
  62 source_path=${0%configure}
  63 source_path=${source_path%/}
  64 source_path_used="yes"
  65 if test -z "$source_path" -o "$source_path" = "." ; then
  66     source_path=`pwd`
  67     source_path_used="no"
  68 fi
  69
  70 case "$cpu" in
  71   i386|i486|i586|i686|i86pc|BePC|i686-AT386)
  72     cpu="x86"
  73   ;;
  74   x86_64)
  75     cpu="x86-64"
  76   ;;
  77   arm*)
  78     case "$cpu" in
  79       arm|armv4l)
  80         cpuver=4
  81       ;;
  82       armv5tel|armv5tejl)
  83         cpuver=5
  84       ;;
  85       armv6j|armv6l)
  86         cpuver=6
  87       ;;
  88       armv7a|armv7l)
  89         cpuver=7
  90       ;;
  91     esac
  92     cpu="armv4l"
  93   ;;
  94   alpha)
  95     cpu="alpha"
  96   ;;
  97   "Power Macintosh"|ppc|ppc64)
  98     cpu="powerpc"
  99   ;;
 100   mips)
 101     cpu="mips"
 102   ;;
 103   s390)
 104     cpu="s390"
 105   ;;
 106   *)
 107     cpu="unknown"
 108   ;;
 109 esac
 110
 111 for opt do
 112   eval opt=\"$opt\"
 113   case "$opt" in
 114   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 115   ;;
 116   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 117   ;;
 118   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
 119   ;;
 120   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 121   ;;
 122   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 123   ;;
 124   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 125   ;;
 126   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 127   ;;
 128   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 129   ;;
 130   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 131   ;;
 132   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 133   ;;
 134   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 135   ;;
 136   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 137   ;;
 138   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 139   ;;
 140   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 141   ;;
 142   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 143   ;;
 144   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 145   ;;
 146   --extra-libs=*) extralibs=${opt#--extra-libs=}
 147   ;;
 148   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 149   ;;
 150   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 151   ;;
 152   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 153   ;;
 154   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 155   ;;
 156   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 157   ;;
 158   --enable-gprof) gprof="yes"
 159   ;;
 160   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 161   ;;
 162   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 163   ;;
 164   --enable-cross) build_cross="yes"
 165   ;;
 166   --disable-static) disable_static="yes"
 167   ;;
 168   --disable-rpath) disable_rpath="yes"
 169   ;;
 170   --strip-binaries) strip_binaries="yes"
 171   ;;
 172   --with-libgcc) use_libgcc="yes"
 173   ;;
 174   --with-selinux) have_selinux="yes"
 175   ;;
 176   --help|-h) show_help="yes"
 177   ;;
 178   *) echo "configure: WARNING: unrecognized option $opt"
 179   ;;
 180   esac
 181 done
 182
 183 # Checking for CFLAGS
 184 if test -z "$CFLAGS"; then
 185     CFLAGS="-Wall -g -O2"
 186 fi
 187
 188 if test "$mingw32" = "yes" ; then
 189     if test x"$tccdir" = x""; then
 190     tccdir="tcc"
 191     fi
 192     if test -z "$prefix" ; then
 193     prefix="C:/Program Files/${tccdir}"
 194     fi
 195     if test -z "$sharedir" ; then
 196     sharedir="${prefix}"
 197     fi
 198     execprefix="$prefix"
 199     bindir="${prefix}"
 200     tccdir="${prefix}"
 201     libdir="${prefix}/lib"
 202     docdir="${sharedir}/doc"
 203     mandir="${sharedir}/man"
 204     infodir="${sharedir}/info"
 205     LIBSUF=".lib"
 206     EXESUF=".exe"
 207 else
 208     if test -z "$prefix" ; then
 209     prefix="/usr/local"
 210     fi
 211     if test -z "$sharedir" ; then
 212     sharedir="${prefix}/share"
 213     fi
 214     if test x"$execprefix" = x""; then
 215     execprefix="${prefix}"
 216     fi
 217     if test x"$libdir" = x""; then
 218     libdir="${execprefix}/lib"
 219     fi
 220     if test x"$bindir" = x""; then
 221     bindir="${execprefix}/bin"
 222     fi
 223     if test x"$tccdir" = x""; then
 224     tccdir="tcc"
 225     fi
 226     if test x"$docdir" = x""; then
 227     docdir="${sharedir}/doc/${tccdir}"
 228     fi
 229     if test x"$mandir" = x""; then
 230     mandir="${sharedir}/man"
 231     fi
 232     if test x"$infodir" = x""; then
 233     infodir="${sharedir}/info"
 234     fi
 235     tccdir="${libdir}/${tccdir}"
 236 fi # mingw32
 237
 238 if test x"$includedir" = x""; then
 239 includedir="${prefix}/include"
 240 fi
 241
 242 if test x"$show_help" = "xyes" ; then
 243 cat << EOF
 244 Usage: configure [options]
 245 Options: [defaults in brackets after descriptions]
 246
 247 Standard options:
 248   --help                   print this message
 249   --prefix=PREFIX          install in PREFIX [$prefix]
 250   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 251                            [same as prefix]
 252   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 253   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 254   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 255   --includedir=DIR         C header files in DIR [PREFIX/include]
 256   --sharedir=DIR           documentation root DIR [PREFIX/share]
 257   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 258   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 259   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 260
 261 Advanced options (experts only):
 262   --source-path=PATH       path of source code [$source_path]
 263   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 264   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 265   --cc=CC                  use C compiler CC [$cc]
 266   --extra-cflags=          specify compiler flags [$CFLAGS]
 267   --extra-ldflags=         specify linker options []
 268   --strip-binaries         strip symbol tables from resulting binaries
 269   --disable-static         make libtcc.so instead of libtcc.a
 270   --disable-rpath          disable use of -rpath with the above
 271   --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc.a
 272   --enable-mingw32         build windows version on linux with mingw32
 273   --enable-cygwin          build windows version on windows with cygwin
 274   --enable-cross           build cross compilers
 275   --with-selinux           use mmap for exec mem [needs writable /tmp]
 276   --sysincludepaths=...    specify system include paths, colon separated
 277   --libpaths=...           specify system library paths, colon separated
 278   --crtprefix=...          specify locations of crt?.o, colon separated
 279   --elfinterp=...          specify elf interpreter
 280 EOF
 281 #echo "NOTE: The object files are build at the place where configure is launched"
 282 exit 1
 283 fi
 284
 285 cc="${cross_prefix}${cc}"
 286 ar="${cross_prefix}${ar}"
 287 strip="${cross_prefix}${strip}"
 288
 289 CONFTEST=./conftest$EXESUF
 290
 291 if test -z "$cross_prefix" ; then
 292   if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 293     echo "configure: error: '$cc' failed to compile conftest.c."
 294   else
 295     bigendian="$($CONFTEST bigendian)"
 296     gcc_major="$($CONFTEST version)"
 297     gcc_minor="$($CONFTEST minor)"
 298     if test "$mingw32" = "no" ; then
 299       triplet="$($CONFTEST triplet)"
 300       if test -f "/usr/lib/$triplet/crti.o" ; then
 301         tcc_lddir="lib/$triplet"
 302         multiarch_triplet="$triplet"
 303       elif test -f "/usr/lib64/crti.o" ; then
 304         tcc_lddir="lib64"
 305       fi
 306
 307 # gr: FIXME
 308 #  ldd $CONFTEST gives (ubuntu 8)
 309 #        linux-gate.so.1 =>  (0xb7fc3000)
 310 #        libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0xb7e37000)
 311 #        /lib/ld-linux.so.2 (0xb7fa9000)
 312 #  result is crap:
 313 #        CONFIG_LDDIR="lib/tls/i686/cmov"
 314 #        CONFIG_MUADIR="tls/i686/cmov"
 315 #
 316 #      multiarch_triplet=${libc_dir#*/}
 317 #      multiarch_triplet=${multiarch_triplet%/}
 318 #      tcc_lddir="${libc_dir%%/*}"
 319 #      if test -n "$multiarch_triplet" ; then
 320 #        tcc_lddir="$tcc_lddir/$multiarch_triplet"
 321 #      fi
 322
 323 # gr: maybe for after the release:
 324 #      tcc_elfinterp="$(ldd $CONFTEST | grep 'ld.*.so' | sed 's,\s*\(\S\+\).*,\1,')"
 325 #      #echo "elfinterp           $tcc_elfinterp"
 326
 327     fi
 328   fi
 329 else
 330   # if cross compiling, cannot launch a program, so make a static guess
 331   case $cpu in
 332     powerpc|mips|s390)  bigendian=yes;;
 333   esac
 334 fi
 335
 336 # gr: maybe for after the release:
 337 # run compiler to see if it supports FLAG, if yes add to CFLAGS
 338 #cc_option() {
 339 #  if $cc $CFLAGS $1 -S -o /dev/null -xc conftest.c >/dev/null 2>&1; then
 340 #    CFLAGS="$CFLAGS $1"; else if test -n "$2"; then
 341 #      CFLAGS="$CFLAGS $2"; fi; fi
 342 #}
 343 #cc_option -fno-strict-aliasing
 344 #cc_option -Wno-pointer-sign
 345 #cc_option -Wno-sign-compare
 346 #cc_option -Wno-unused-result -D_FORTIFY_SOURCE=0
 347
 348 cat <<EOF
 349 Binary  directory   $bindir
 350 TinyCC directory    $tccdir
 351 Library directory   $libdir
 352 Include directory   $includedir
 353 Manual directory    $mandir
 354 Info directory      $infodir
 355 Doc directory       $docdir
 356 Target root prefix  $sysroot
 357 Source path      $source_path
 358 C compiler       $cc
 359 Target OS        $targetos
 360 CPU              $cpu
 361 Big Endian       $bigendian
 362 gprof enabled    $gprof
 363 cross compilers  $build_cross
 364 use libgcc       $use_libgcc
 365 EOF
 366
 367 echo "Creating config.mak and config.h"
 368
 369 cat >config.mak <<EOF
 370 # Automatically generated by configure - do not modify
 371 prefix=$prefix
 372 bindir=\$(DESTDIR)$bindir
 373 tccdir=\$(DESTDIR)$tccdir
 374 libdir=\$(DESTDIR)$libdir
 375 ln_libdir=$libdir
 376 includedir=\$(DESTDIR)$includedir
 377 mandir=\$(DESTDIR)$mandir
 378 infodir=\$(DESTDIR)$infodir
 379 docdir=\$(DESTDIR)$docdir
 380 CC=$cc
 381 GCC_MAJOR=$gcc_major
 382 GCC_MINOR=$gcc_minor
 383 HOST_CC=$host_cc
 384 AR=$ar
 385 STRIP=$strip -s -R .comment -R .note
 386 CFLAGS=$CFLAGS
 387 LDFLAGS=$LDFLAGS
 388 LIBSUF=$LIBSUF
 389 EXESUF=$EXESUF
 390 EOF
 391
 392 print_def() {
 393   if test -n "$2"; then
 394     echo "#ifndef $1" >> $TMPH
 395     echo "# define $1 \"$2\"" >> $TMPH
 396     echo "#endif" >> $TMPH
 397   fi
 398 }
 399
 400 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 401
 402 print_def CONFIG_SYSROOT "$sysroot"
 403 print_def CONFIG_TCCDIR "$tccdir"
 404 print_def CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 405 print_def CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 406 print_def CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 407 print_def CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 408 print_def CONFIG_MULTIARCHDIR "$multiarch_triplet"
 409 print_def CONFIG_LDDIR "$tcc_lddir"
 410
 411 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 412 echo "#define GCC_MINOR $gcc_minor" >> $TMPH
 413
 414 if test "$cpu" = "x86" ; then
 415   echo "ARCH=i386" >> config.mak
 416   echo "#define HOST_I386 1" >> $TMPH
 417 elif test "$cpu" = "x86-64" ; then
 418   echo "ARCH=x86-64" >> config.mak
 419   echo "#define HOST_X86_64 1" >> $TMPH
 420 elif test "$cpu" = "armv4l" ; then
 421   echo "ARCH=arm" >> config.mak
 422   echo "#define HOST_ARM 1" >> $TMPH
 423   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 424 elif test "$cpu" = "powerpc" ; then
 425   echo "ARCH=ppc" >> config.mak
 426   echo "#define HOST_PPC 1" >> $TMPH
 427 elif test "$cpu" = "mips" ; then
 428   echo "ARCH=mips" >> config.mak
 429   echo "#define HOST_MIPS 1" >> $TMPH
 430 elif test "$cpu" = "s390" ; then
 431   echo "ARCH=s390" >> config.mak
 432   echo "#define HOST_S390 1" >> $TMPH
 433 elif test "$cpu" = "alpha" ; then
 434   echo "ARCH=alpha" >> config.mak
 435   echo "#define HOST_ALPHA 1" >> $TMPH
 436 else
 437   echo "Unsupported CPU"
 438   exit 1
 439 fi
 440
 441 echo "TARGETOS=$targetos" >> config.mak
 442
 443 if test "$noldl" = "yes" ; then
 444   echo "CONFIG_NOLDL=yes" >> config.mak
 445 fi
 446 if test "$mingw32" = "yes" ; then
 447   echo "CONFIG_WIN32=yes" >> config.mak
 448   echo "#define CONFIG_WIN32 1" >> $TMPH
 449 fi
 450 if test "$cygwin" = "yes" ; then
 451   echo "#ifndef _WIN32" >> $TMPH
 452   echo "# define _WIN32" >> $TMPH
 453   echo "#endif" >> $TMPH
 454   echo "AR=ar" >> config.mak
 455 fi
 456 if test "$bigendian" = "yes" ; then
 457   echo "WORDS_BIGENDIAN=yes" >> config.mak
 458   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 459 fi
 460 if test "$gprof" = "yes" ; then
 461   echo "TARGET_GPROF=yes" >> config.mak
 462   echo "#define HAVE_GPROF 1" >> $TMPH
 463 fi
 464 if test "$build_cross" = "yes" ; then
 465   echo "CONFIG_CROSS=yes" >> config.mak
 466 fi
 467 if test "$disable_static" = "yes" ; then
 468   echo "DISABLE_STATIC=yes" >> config.mak
 469 fi
 470 if test "$disable_rpath" = "yes" ; then
 471   echo "DISABLE_RPATH=yes" >> config.mak
 472 fi
 473 if test "$strip_binaries" = "yes" ; then
 474   echo "STRIP_BINARIES=yes" >> config.mak
 475 fi
 476 if test "$use_libgcc" = "yes" ; then
 477   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 478   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 479 fi
 480 if test "$have_selinux" = "yes" ; then
 481   echo "#define HAVE_SELINUX" >> $TMPH
 482   echo "HAVE_SELINUX=yes" >> config.mak
 483 fi
 484
 485 version=`head $source_path/VERSION`
 486 echo "VERSION=$version" >>config.mak
 487 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 488 echo "@set VERSION $version" > config.texi
 489 echo "SRC_PATH=$source_path" >>config.mak
 490
 491 if test "$source_path_used" = "yes" ; then
 492     case $source_path in
 493        /*) echo "top_srcdir=$source_path";;
 494         *) echo "top_srcdir=\$(TOP)/$source_path";;
 495      esac >>config.mak
 496 else
 497      echo 'top_srcdir=$(TOP)' >>config.mak
 498 fi
 499 echo 'top_builddir=$(TOP)' >>config.mak
 500
 501 diff $TMPH config.h >/dev/null 2>&1
 502 if test $? -ne 0 ; then
 503     mv -f $TMPH config.h
 504 else
 505     echo "config.h is unchanged"
 506 fi
 507
 508 rm -f $TMPN* $CONFTEST
 509
 510 # ---------------------------------------------------------------------------
 511 # build tree in object directory if source path is different from current one
 512
 513 fn_makelink()
 514 {
 515     tgt=$1/$2
 516     case $2 in
 517     */*) dn=${2%/*}
 518          test -d $dn || mkdir -p $dn
 519          case $1 in
 520          /*) ;;
 521           *) while test $dn ; do
 522                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 523              done
 524              ;;
 525          esac
 526          ;;
 527     esac
 528     ln -sfn $tgt $2
 529 }
 530
 531 if test "$source_path_used" = "yes" ; then
 532   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile"
 533   for f in $FILES ; do
 534     fn_makelink $source_path $f
 535   done
 536 fi
 537
 538 # ---------------------------------------------------------------------------