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