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     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=*) build_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-cross) build_cross="yes"
 178   ;;
 179   --enable-assert) enable_assert="yes"
 180   ;;
 181   --disable-static) disable_static="yes"
 182   ;;
 183   --disable-rpath) disable_rpath="yes"
 184   ;;
 185   --strip-binaries) strip_binaries="yes"
 186   ;;
 187   --with-libgcc) use_libgcc="yes"
 188   ;;
 189   --with-selinux) have_selinux="yes"
 190   ;;
 191   --help|-h) show_help="yes"
 192   ;;
 193   *) echo "configure: WARNING: unrecognized option $opt"
 194   ;;
 195   esac
 196 done
 197
 198 classify_cpu "$cpu"
 199
 200 # Checking for CFLAGS
 201 if test -z "$CFLAGS"; then
 202     CFLAGS="-Wall -g -O2"
 203 fi
 204
 205 if test "$mingw32" = "yes" ; then
 206     if test x"$tccdir" = x""; then
 207     tccdir="tcc"
 208     fi
 209     if test -z "$prefix" ; then
 210     prefix="C:/Program Files/${tccdir}"
 211     fi
 212     if test -z "$sharedir" ; then
 213     sharedir="${prefix}"
 214     fi
 215     execprefix="$prefix"
 216     bindir="${prefix}"
 217     tccdir="${prefix}"
 218     libdir="${prefix}/lib"
 219     docdir="${sharedir}/doc"
 220     mandir="${sharedir}/man"
 221     infodir="${sharedir}/info"
 222     LIBSUF=".lib"
 223     EXESUF=".exe"
 224 else
 225     if test -z "$prefix" ; then
 226     prefix="/usr/local"
 227     fi
 228     if test -z "$sharedir" ; then
 229     sharedir="${prefix}/share"
 230     fi
 231     if test x"$execprefix" = x""; then
 232     execprefix="${prefix}"
 233     fi
 234     if test x"$libdir" = x""; then
 235     libdir="${execprefix}/lib"
 236     fi
 237     if test x"$bindir" = x""; then
 238     bindir="${execprefix}/bin"
 239     fi
 240     if test x"$tccdir" = x""; then
 241     tccdir="tcc"
 242     fi
 243     if test x"$docdir" = x""; then
 244     docdir="${sharedir}/doc/${tccdir}"
 245     fi
 246     if test x"$mandir" = x""; then
 247     mandir="${sharedir}/man"
 248     fi
 249     if test x"$infodir" = x""; then
 250     infodir="${sharedir}/info"
 251     fi
 252     tccdir="${libdir}/${tccdir}"
 253 fi # mingw32
 254
 255 if test x"$includedir" = x""; then
 256 includedir="${prefix}/include"
 257 fi
 258
 259 if test x"$show_help" = "xyes" ; then
 260 cat << EOF
 261 Usage: configure [options]
 262 Options: [defaults in brackets after descriptions]
 263
 264 Standard options:
 265   --help                   print this message
 266   --prefix=PREFIX          install in PREFIX [$prefix]
 267   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 268                            [same as prefix]
 269   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 270   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 271   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 272   --includedir=DIR         C header files in DIR [PREFIX/include]
 273   --sharedir=DIR           documentation root DIR [PREFIX/share]
 274   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 275   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 276   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 277
 278 Advanced options (experts only):
 279   --source-path=PATH       path of source code [$source_path]
 280   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 281   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 282   --cc=CC                  use C compiler CC [$cc]
 283   --extra-cflags=          specify compiler flags [$CFLAGS]
 284   --extra-ldflags=         specify linker options []
 285   --cpu=CPU                CPU [$cpu]
 286   --strip-binaries         strip symbol tables from resulting binaries
 287   --disable-static         make libtcc.so instead of libtcc.a
 288   --disable-rpath          disable use of -rpath with the above
 289   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a in dynamic link
 290   --enable-mingw32         build windows version on linux with mingw32
 291   --enable-cygwin          build windows version on windows with cygwin
 292   --enable-cross           build cross compilers
 293   --enable-assert          enable debug assertions
 294   --with-selinux           use mmap for exec mem [needs writable /tmp]
 295   --sysincludepaths=...    specify system include paths, colon separated
 296   --libpaths=...           specify system library paths, colon separated
 297   --crtprefix=...          specify locations of crt?.o, colon separated
 298   --elfinterp=...          specify elf interpreter
 299 EOF
 300 #echo "NOTE: The object files are build at the place where configure is launched"
 301 exit 1
 302 fi
 303
 304 cc="${cross_prefix}${cc}"
 305 ar="${cross_prefix}${ar}"
 306 strip="${cross_prefix}${strip}"
 307
 308 CONFTEST=./conftest$EXESUF
 309
 310 if test -z "$cross_prefix" ; then
 311   if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 312     echo "configure: error: '$cc' failed to compile conftest.c."
 313   else
 314     bigendian="$($CONFTEST bigendian)"
 315     gcc_major="$($CONFTEST version)"
 316     gcc_minor="$($CONFTEST minor)"
 317     if test "$mingw32" = "no" ; then
 318       triplet="$($CONFTEST triplet)"
 319       if test -f "/usr/lib/$triplet/crti.o" ; then
 320         tcc_lddir="lib"
 321         multiarch_triplet="$triplet"
 322       elif test -f "/usr/lib64/crti.o" ; then
 323         tcc_lddir="lib64"
 324       fi
 325
 326       if test "$cpu" = "armv4l" ; then
 327         if test "${triplet%eabihf}" != "$triplet" ; then
 328            confvars="$confvars arm_eabihf"
 329         elif test "${triplet%eabi}" != "$triplet" ; then
 330            confvars="$confvars arm_eabi"
 331         fi
 332         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 333            confvars="$confvars arm_vfp"
 334         fi
 335       fi
 336
 337 #      multiarch_triplet=${libc_dir#*/}
 338 #      multiarch_triplet=${multiarch_triplet%/}
 339 #      tcc_lddir="${libc_dir%%/*}"
 340 #      if test -n "$multiarch_triplet" ; then
 341 #        tcc_lddir="$tcc_lddir/$multiarch_triplet"
 342 #      fi
 343
 344       if test -f "/lib/ld-uClibc.so.0" ; then
 345         confvars="$confvars uClibc"
 346       fi
 347 # gr: maybe for after the release:
 348 #       tcc_elfinterp="$(ldd $CONFTEST | grep 'ld.*.so' | sed 's,\s*\(\S\+\).*,\1,')"
 349        # echo "elfinterp           $tcc_elfinterp"
 350
 351     fi
 352   fi
 353 else
 354   # if cross compiling, cannot launch a program, so make a static guess
 355   case $cpu in
 356     powerpc|mips|s390)  bigendian=yes;;
 357   esac
 358 fi
 359
 360 cat <<EOF
 361 Binary  directory   $bindir
 362 TinyCC directory    $tccdir
 363 Library directory   $libdir
 364 Include directory   $includedir
 365 Manual directory    $mandir
 366 Info directory      $infodir
 367 Doc directory       $docdir
 368 Target root prefix  $sysroot
 369 Source path      $source_path
 370 C compiler       $cc
 371 Build CPU        $cpu
 372 Target OS        $targetos
 373 Big Endian       $bigendian
 374 gprof enabled    $gprof
 375 cross compilers  $build_cross
 376 use libgcc       $use_libgcc
 377 EOF
 378
 379 echo "Creating config.mak and config.h"
 380
 381 cat >config.mak <<EOF
 382 # Automatically generated by configure - do not modify
 383 prefix=$prefix
 384 bindir=\$(DESTDIR)$bindir
 385 tccdir=\$(DESTDIR)$tccdir
 386 libdir=\$(DESTDIR)$libdir
 387 ln_libdir=$libdir
 388 includedir=\$(DESTDIR)$includedir
 389 mandir=\$(DESTDIR)$mandir
 390 infodir=\$(DESTDIR)$infodir
 391 docdir=\$(DESTDIR)$docdir
 392 CC=$cc
 393 GCC_MAJOR=$gcc_major
 394 GCC_MINOR=$gcc_minor
 395 HOST_CC=$host_cc
 396 AR=$ar
 397 STRIP=$strip -s -R .comment -R .note
 398 CFLAGS=$CFLAGS
 399 LDFLAGS=$LDFLAGS
 400 LIBSUF=$LIBSUF
 401 EXESUF=$EXESUF
 402 EOF
 403
 404 print_inc() {
 405   if test -n "$2"; then
 406     echo "#ifndef $1" >> $TMPH
 407     echo "# define $1 \"$2\"" >> $TMPH
 408     echo "#endif" >> $TMPH
 409   fi
 410 }
 411 print_mak() {
 412   if test -n "$2"; then
 413     echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
 414   fi
 415 }
 416
 417 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 418
 419 print_inc CONFIG_SYSROOT "$sysroot"
 420 print_inc CONFIG_TCCDIR "$tccdir"
 421 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 422 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 423 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 424 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 425 print_mak CONFIG_LDDIR "$tcc_lddir"
 426 print_mak CONFIG_MULTIARCHDIR "$multiarch_triplet"
 427
 428 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 429 echo "#define GCC_MINOR $gcc_minor" >> $TMPH
 430
 431 if test "$cpu" = "x86" ; then
 432   echo "ARCH=i386" >> config.mak
 433   echo "#define HOST_I386 1" >> $TMPH
 434 elif test "$cpu" = "x86-64" ; then
 435   echo "ARCH=x86-64" >> config.mak
 436   echo "#define HOST_X86_64 1" >> $TMPH
 437 elif test "$cpu" = "armv4l" ; then
 438   echo "ARCH=arm" >> config.mak
 439   echo "#define HOST_ARM 1" >> $TMPH
 440   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 441 elif test "$cpu" = "aarch64" ; then
 442   echo "ARCH=arm64" >> config.mak
 443   echo "#define HOST_ARM64 1" >> $TMPH
 444 elif test "$cpu" = "powerpc" ; then
 445   echo "ARCH=ppc" >> config.mak
 446   echo "#define HOST_PPC 1" >> $TMPH
 447 elif test "$cpu" = "mips" ; then
 448   echo "ARCH=mips" >> config.mak
 449   echo "#define HOST_MIPS 1" >> $TMPH
 450 elif test "$cpu" = "s390" ; then
 451   echo "ARCH=s390" >> config.mak
 452   echo "#define HOST_S390 1" >> $TMPH
 453 elif test "$cpu" = "alpha" ; then
 454   echo "ARCH=alpha" >> config.mak
 455   echo "#define HOST_ALPHA 1" >> $TMPH
 456 else
 457   echo "Unsupported CPU"
 458   exit 1
 459 fi
 460
 461 echo "TARGETOS=$targetos" >> config.mak
 462
 463 for v in $confvars ; do
 464   echo "CONFIG_$v=yes" >> config.mak
 465 done
 466 if test "$noldl" = "yes" ; then
 467   echo "CONFIG_NOLDL=yes" >> config.mak
 468 fi
 469 if test "$mingw32" = "yes" ; then
 470   echo "CONFIG_WIN32=yes" >> config.mak
 471   echo "#define CONFIG_WIN32 1" >> $TMPH
 472 fi
 473 if test "$cygwin" = "yes" ; then
 474   echo "#ifndef _WIN32" >> $TMPH
 475   echo "# define _WIN32" >> $TMPH
 476   echo "#endif" >> $TMPH
 477   echo "AR=ar" >> config.mak
 478 fi
 479 if test "$bigendian" = "yes" ; then
 480   echo "WORDS_BIGENDIAN=yes" >> config.mak
 481   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 482 fi
 483 if test "$gprof" = "yes" ; then
 484   echo "TARGET_GPROF=yes" >> config.mak
 485   echo "#define HAVE_GPROF 1" >> $TMPH
 486 fi
 487 if test "$build_cross" = "yes" ; then
 488   echo "CONFIG_CROSS=yes" >> config.mak
 489 fi
 490 if test "$disable_static" = "yes" ; then
 491   echo "DISABLE_STATIC=yes" >> config.mak
 492 fi
 493 if test "$disable_rpath" = "yes" ; then
 494   echo "DISABLE_RPATH=yes" >> config.mak
 495 fi
 496 if test "$strip_binaries" = "yes" ; then
 497   echo "STRIP_BINARIES=yes" >> config.mak
 498 fi
 499 if test "$use_libgcc" = "yes" ; then
 500   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 501   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 502 fi
 503 if test "$have_selinux" = "yes" ; then
 504   echo "#define HAVE_SELINUX" >> $TMPH
 505   echo "HAVE_SELINUX=yes" >> config.mak
 506 fi
 507 if test "$enable_assert" = "yes" ; then
 508   echo "#define CONFIG_TCC_ASSERT" >> $TMPH
 509 fi
 510
 511 version=`head $source_path/VERSION`
 512 echo "VERSION=$version" >>config.mak
 513 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 514 echo "@set VERSION $version" > config.texi
 515 echo "SRC_PATH=$source_path" >>config.mak
 516
 517 if test "$source_path_used" = "yes" ; then
 518     case $source_path in
 519        /*) echo "top_srcdir=$source_path";;
 520         *) echo "top_srcdir=\$(TOP)/$source_path";;
 521      esac >>config.mak
 522 else
 523      echo 'top_srcdir=$(TOP)' >>config.mak
 524 fi
 525 echo 'top_builddir=$(TOP)' >>config.mak
 526
 527 diff $TMPH config.h >/dev/null 2>&1
 528 if test $? -ne 0 ; then
 529     mv -f $TMPH config.h
 530 else
 531     echo "config.h is unchanged"
 532 fi
 533
 534 rm -f $TMPN* $CONFTEST
 535
 536 # ---------------------------------------------------------------------------
 537 # build tree in object directory if source path is different from current one
 538
 539 fn_makelink()
 540 {
 541     tgt=$1/$2
 542     case $2 in
 543     */*) dn=${2%/*}
 544          test -d $dn || mkdir -p $dn
 545          case $1 in
 546          /*) ;;
 547           *) while test $dn ; do
 548                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 549              done
 550              ;;
 551          esac
 552          ;;
 553     esac
 554     ln -sfn $tgt $2
 555 }
 556
 557 if test "$source_path_used" = "yes" ; then
 558   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile"
 559   for f in $FILES ; do
 560     fn_makelink $source_path $f
 561   done
 562 fi
 563
 564 # ---------------------------------------------------------------------------