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 confvars=
  48
  49 cpu=`uname -m`
  50
  51 # OS specific
  52 targetos=`uname -s`
  53 case $targetos in
  54   MINGW32*)  mingw32=yes;;
  55   DragonFly) noldl=yes;;
  56   OpenBSD)   noldl=yes;;
  57   FreeBSD)   noldl=yes;;
  58   *) ;;
  59 esac
  60
  61 # find source path
  62 # XXX: we assume an absolute path is given when launching configure,
  63 # except in './configure' case.
  64 source_path=${0%configure}
  65 source_path=${source_path%/}
  66 source_path_used="yes"
  67 if test -z "$source_path" -o "$source_path" = "." ; then
  68     source_path=`pwd`
  69     source_path_used="no"
  70 fi
  71
  72 case "$cpu" in
  73   i386|i486|i586|i686|i86pc|BePC|i686-AT386)
  74     cpu="x86"
  75   ;;
  76   x86_64|amd64)
  77     cpu="x86-64"
  78   ;;
  79   arm*)
  80     case "$cpu" in
  81       arm|armv4l)
  82         cpuver=4
  83       ;;
  84       armv5tel|armv5tejl)
  85         cpuver=5
  86       ;;
  87       armv6j|armv6l)
  88         cpuver=6
  89       ;;
  90       armv7a|armv7l)
  91         cpuver=7
  92       ;;
  93     esac
  94     cpu="armv4l"
  95   ;;
  96   alpha)
  97     cpu="alpha"
  98   ;;
  99   "Power Macintosh"|ppc|ppc64)
 100     cpu="powerpc"
 101   ;;
 102   mips)
 103     cpu="mips"
 104   ;;
 105   s390)
 106     cpu="s390"
 107   ;;
 108   *)
 109     cpu="unknown"
 110   ;;
 111 esac
 112
 113 for opt do
 114   eval opt=\"$opt\"
 115   case "$opt" in
 116   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 117   ;;
 118   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 119   ;;
 120   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
 121   ;;
 122   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 123   ;;
 124   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 125   ;;
 126   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 127   ;;
 128   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 129   ;;
 130   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 131   ;;
 132   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 133   ;;
 134   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 135   ;;
 136   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 137   ;;
 138   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 139   ;;
 140   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 141   ;;
 142   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 143   ;;
 144   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 145   ;;
 146   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 147   ;;
 148   --extra-libs=*) extralibs=${opt#--extra-libs=}
 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   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 159   ;;
 160   --enable-gprof) gprof="yes"
 161   ;;
 162   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 163   ;;
 164   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 165   ;;
 166   --enable-cross) build_cross="yes"
 167   ;;
 168   --disable-static) disable_static="yes"
 169   ;;
 170   --disable-rpath) disable_rpath="yes"
 171   ;;
 172   --strip-binaries) strip_binaries="yes"
 173   ;;
 174   --with-libgcc) use_libgcc="yes"
 175   ;;
 176   --with-selinux) have_selinux="yes"
 177   ;;
 178   --help|-h) show_help="yes"
 179   ;;
 180   *) echo "configure: WARNING: unrecognized option $opt"
 181   ;;
 182   esac
 183 done
 184
 185 # Checking for CFLAGS
 186 if test -z "$CFLAGS"; then
 187     CFLAGS="-Wall -g -O2"
 188 fi
 189
 190 if test "$mingw32" = "yes" ; then
 191     if test x"$tccdir" = x""; then
 192     tccdir="tcc"
 193     fi
 194     if test -z "$prefix" ; then
 195     prefix="C:/Program Files/${tccdir}"
 196     fi
 197     if test -z "$sharedir" ; then
 198     sharedir="${prefix}"
 199     fi
 200     execprefix="$prefix"
 201     bindir="${prefix}"
 202     tccdir="${prefix}"
 203     libdir="${prefix}/lib"
 204     docdir="${sharedir}/doc"
 205     mandir="${sharedir}/man"
 206     infodir="${sharedir}/info"
 207     LIBSUF=".lib"
 208     EXESUF=".exe"
 209 else
 210     if test -z "$prefix" ; then
 211     prefix="/usr/local"
 212     fi
 213     if test -z "$sharedir" ; then
 214     sharedir="${prefix}/share"
 215     fi
 216     if test x"$execprefix" = x""; then
 217     execprefix="${prefix}"
 218     fi
 219     if test x"$libdir" = x""; then
 220     libdir="${execprefix}/lib"
 221     fi
 222     if test x"$bindir" = x""; then
 223     bindir="${execprefix}/bin"
 224     fi
 225     if test x"$tccdir" = x""; then
 226     tccdir="tcc"
 227     fi
 228     if test x"$docdir" = x""; then
 229     docdir="${sharedir}/doc/${tccdir}"
 230     fi
 231     if test x"$mandir" = x""; then
 232     mandir="${sharedir}/man"
 233     fi
 234     if test x"$infodir" = x""; then
 235     infodir="${sharedir}/info"
 236     fi
 237     tccdir="${libdir}/${tccdir}"
 238 fi # mingw32
 239
 240 if test x"$includedir" = x""; then
 241 includedir="${prefix}/include"
 242 fi
 243
 244 if test x"$show_help" = "xyes" ; then
 245 cat << EOF
 246 Usage: configure [options]
 247 Options: [defaults in brackets after descriptions]
 248
 249 Standard options:
 250   --help                   print this message
 251   --prefix=PREFIX          install in PREFIX [$prefix]
 252   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 253                            [same as prefix]
 254   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 255   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 256   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 257   --includedir=DIR         C header files in DIR [PREFIX/include]
 258   --sharedir=DIR           documentation root DIR [PREFIX/share]
 259   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 260   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 261   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 262
 263 Advanced options (experts only):
 264   --source-path=PATH       path of source code [$source_path]
 265   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 266   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 267   --cc=CC                  use C compiler CC [$cc]
 268   --extra-cflags=          specify compiler flags [$CFLAGS]
 269   --extra-ldflags=         specify linker options []
 270   --strip-binaries         strip symbol tables from resulting binaries
 271   --disable-static         make libtcc.so instead of libtcc.a
 272   --disable-rpath          disable use of -rpath with the above
 273   --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc.a
 274   --enable-mingw32         build windows version on linux with mingw32
 275   --enable-cygwin          build windows version on windows with cygwin
 276   --enable-cross           build cross compilers
 277   --with-selinux           use mmap for exec mem [needs writable /tmp]
 278   --sysincludepaths=...    specify system include paths, colon separated
 279   --libpaths=...           specify system library paths, colon separated
 280   --crtprefix=...          specify locations of crt?.o, colon separated
 281   --elfinterp=...          specify elf interpreter
 282 EOF
 283 #echo "NOTE: The object files are build at the place where configure is launched"
 284 exit 1
 285 fi
 286
 287 cc="${cross_prefix}${cc}"
 288 ar="${cross_prefix}${ar}"
 289 strip="${cross_prefix}${strip}"
 290
 291 CONFTEST=./conftest$EXESUF
 292
 293 if test -z "$cross_prefix" ; then
 294   if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 295     echo "configure: error: '$cc' failed to compile conftest.c."
 296   else
 297     bigendian="$($CONFTEST bigendian)"
 298     gcc_major="$($CONFTEST version)"
 299     gcc_minor="$($CONFTEST minor)"
 300     if test "$mingw32" = "no" ; then
 301       triplet="$($CONFTEST triplet)"
 302       if test -f "/usr/lib/$triplet/crti.o" ; then
 303         tcc_lddir="lib/$triplet"
 304         multiarch_triplet="$triplet"
 305       elif test -f "/usr/lib64/crti.o" ; then
 306         tcc_lddir="lib64"
 307       fi
 308
 309       if test "$cpu" = "armv4l" ; then
 310         if test "${triplet%eabihf}" != "$triplet" ; then
 311            confvars="$confvars arm_eabihf"
 312         elif test "${triplet%eabi}" != "$triplet" ; then
 313            confvars="$confvars arm_eabi"
 314         fi
 315         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 316            confvars="$confvars arm_vfp"
 317         fi
 318       fi
 319
 320 #      multiarch_triplet=${libc_dir#*/}
 321 #      multiarch_triplet=${multiarch_triplet%/}
 322 #      tcc_lddir="${libc_dir%%/*}"
 323 #      if test -n "$multiarch_triplet" ; then
 324 #        tcc_lddir="$tcc_lddir/$multiarch_triplet"
 325 #      fi
 326
 327       if test -f "/lib/ld-uClibc.so.0" ; then
 328         confvars="$confvars uClibc"
 329       fi
 330 # gr: maybe for after the release:
 331 #       tcc_elfinterp="$(ldd $CONFTEST | grep 'ld.*.so' | sed 's,\s*\(\S\+\).*,\1,')"
 332        # echo "elfinterp           $tcc_elfinterp"
 333
 334     fi
 335   fi
 336 else
 337   # if cross compiling, cannot launch a program, so make a static guess
 338   case $cpu in
 339     powerpc|mips|s390)  bigendian=yes;;
 340   esac
 341 fi
 342
 343 cat <<EOF
 344 Binary  directory   $bindir
 345 TinyCC directory    $tccdir
 346 Library directory   $libdir
 347 Include directory   $includedir
 348 Manual directory    $mandir
 349 Info directory      $infodir
 350 Doc directory       $docdir
 351 Target root prefix  $sysroot
 352 Source path      $source_path
 353 C compiler       $cc
 354 Target OS        $targetos
 355 CPU              $cpu
 356 Big Endian       $bigendian
 357 gprof enabled    $gprof
 358 cross compilers  $build_cross
 359 use libgcc       $use_libgcc
 360 EOF
 361
 362 echo "Creating config.mak and config.h"
 363
 364 cat >config.mak <<EOF
 365 # Automatically generated by configure - do not modify
 366 prefix=$prefix
 367 bindir=\$(DESTDIR)$bindir
 368 tccdir=\$(DESTDIR)$tccdir
 369 libdir=\$(DESTDIR)$libdir
 370 ln_libdir=$libdir
 371 includedir=\$(DESTDIR)$includedir
 372 mandir=\$(DESTDIR)$mandir
 373 infodir=\$(DESTDIR)$infodir
 374 docdir=\$(DESTDIR)$docdir
 375 CC=$cc
 376 GCC_MAJOR=$gcc_major
 377 GCC_MINOR=$gcc_minor
 378 HOST_CC=$host_cc
 379 AR=$ar
 380 STRIP=$strip -s -R .comment -R .note
 381 CFLAGS=$CFLAGS
 382 LDFLAGS=$LDFLAGS
 383 LIBSUF=$LIBSUF
 384 EXESUF=$EXESUF
 385 EOF
 386
 387 print_inc() {
 388   if test -n "$2"; then
 389     echo "#ifndef $1" >> $TMPH
 390     echo "# define $1 \"$2\"" >> $TMPH
 391     echo "#endif" >> $TMPH
 392   fi
 393 }
 394 print_mak() {
 395   if test -n "$2"; then
 396     echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
 397   fi
 398 }
 399
 400 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 401
 402 print_inc CONFIG_SYSROOT "$sysroot"
 403 print_inc CONFIG_TCCDIR "$tccdir"
 404 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 405 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 406 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 407 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 408 print_mak CONFIG_LDDIR "$tcc_lddir"
 409 print_mak CONFIG_MULTIARCHDIR "$multiarch_triplet"
 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 for v in $confvars ; do
 444   echo "CONFIG_$v=yes" >> config.mak
 445 done
 446 if test "$noldl" = "yes" ; then
 447   echo "CONFIG_NOLDL=yes" >> config.mak
 448 fi
 449 if test "$mingw32" = "yes" ; then
 450   echo "CONFIG_WIN32=yes" >> config.mak
 451   echo "#define CONFIG_WIN32 1" >> $TMPH
 452 fi
 453 if test "$cygwin" = "yes" ; then
 454   echo "#ifndef _WIN32" >> $TMPH
 455   echo "# define _WIN32" >> $TMPH
 456   echo "#endif" >> $TMPH
 457   echo "AR=ar" >> config.mak
 458 fi
 459 if test "$bigendian" = "yes" ; then
 460   echo "WORDS_BIGENDIAN=yes" >> config.mak
 461   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 462 fi
 463 if test "$gprof" = "yes" ; then
 464   echo "TARGET_GPROF=yes" >> config.mak
 465   echo "#define HAVE_GPROF 1" >> $TMPH
 466 fi
 467 if test "$build_cross" = "yes" ; then
 468   echo "CONFIG_CROSS=yes" >> config.mak
 469 fi
 470 if test "$disable_static" = "yes" ; then
 471   echo "DISABLE_STATIC=yes" >> config.mak
 472 fi
 473 if test "$disable_rpath" = "yes" ; then
 474   echo "DISABLE_RPATH=yes" >> config.mak
 475 fi
 476 if test "$strip_binaries" = "yes" ; then
 477   echo "STRIP_BINARIES=yes" >> config.mak
 478 fi
 479 if test "$use_libgcc" = "yes" ; then
 480   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 481   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 482 fi
 483 if test "$have_selinux" = "yes" ; then
 484   echo "#define HAVE_SELINUX" >> $TMPH
 485   echo "HAVE_SELINUX=yes" >> config.mak
 486 fi
 487
 488 version=`head $source_path/VERSION`
 489 echo "VERSION=$version" >>config.mak
 490 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 491 echo "@set VERSION $version" > config.texi
 492 echo "SRC_PATH=$source_path" >>config.mak
 493
 494 if test "$source_path_used" = "yes" ; then
 495     case $source_path in
 496        /*) echo "top_srcdir=$source_path";;
 497         *) echo "top_srcdir=\$(TOP)/$source_path";;
 498      esac >>config.mak
 499 else
 500      echo 'top_srcdir=$(TOP)' >>config.mak
 501 fi
 502 echo 'top_builddir=$(TOP)' >>config.mak
 503
 504 diff $TMPH config.h >/dev/null 2>&1
 505 if test $? -ne 0 ; then
 506     mv -f $TMPH config.h
 507 else
 508     echo "config.h is unchanged"
 509 fi
 510
 511 rm -f $TMPN* $CONFTEST
 512
 513 # ---------------------------------------------------------------------------
 514 # build tree in object directory if source path is different from current one
 515
 516 fn_makelink()
 517 {
 518     tgt=$1/$2
 519     case $2 in
 520     */*) dn=${2%/*}
 521          test -d $dn || mkdir -p $dn
 522          case $1 in
 523          /*) ;;
 524           *) while test $dn ; do
 525                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 526              done
 527              ;;
 528          esac
 529          ;;
 530     esac
 531     ln -sfn $tgt $2
 532 }
 533
 534 if test "$source_path_used" = "yes" ; then
 535   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile"
 536   for f in $FILES ; do
 537     fn_makelink $source_path $f
 538   done
 539 fi
 540
 541 # ---------------------------------------------------------------------------