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 ar="ar"
  34 strip="strip"
  35 cygwin="no"
  36 gprof="no"
  37 bigendian="no"
  38 mingw32="no"
  39 LIBSUF=".a"
  40 EXESUF=""
  41 tcc_sysincludepaths=""
  42 tcc_libpaths=""
  43 tcc_crtprefix=""
  44 tcc_elfinterp=""
  45 tcc_lddir=
  46 confvars=
  47 cpu=
  48
  49 # OS specific
  50 targetos=`uname`
  51 case $targetos in
  52   MINGW*)    mingw32=yes;;
  53   MSYS*)     mingw32=yes;;
  54   DragonFly) noldl=yes;;
  55   OpenBSD)   noldl=yes;;
  56   FreeBSD)   noldl=yes;;
  57   NetBSD)    noldl=yes;;
  58   *) ;;
  59 esac
  60
  61 # find source path
  62 # XXX: we assume an absolute path is given when launching configure,
  63 # except in './configure' case.
  64 source_path=${0%configure}
  65 source_path=${source_path%/}
  66 source_path_used="yes"
  67 if test -z "$source_path" -o "$source_path" = "." ; then
  68     source_path=`pwd`
  69     source_path_used="no"
  70 fi
  71
  72 for opt do
  73   eval opt=\"$opt\"
  74   case "$opt" in
  75   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  76   ;;
  77   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
  78   ;;
  79   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
  80   ;;
  81   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
  82   ;;
  83   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
  84   ;;
  85   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
  86   ;;
  87   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
  88   ;;
  89   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
  90   ;;
  91   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
  92   ;;
  93   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
  94   ;;
  95   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
  96   ;;
  97   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
  98   ;;
  99   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 100   ;;
 101   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 102   ;;
 103   --ar=*) ar=`echo $opt | cut -d '=' -f 2`
 104   ;;
 105   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 106   ;;
 107   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 108   ;;
 109   --extra-libs=*) extralibs="${opt#--extra-libs=}"
 110   ;;
 111   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 112   ;;
 113   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 114   ;;
 115   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 116   ;;
 117   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 118   ;;
 119   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 120   ;;
 121   --enable-gprof) gprof="yes"
 122   ;;
 123   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 124   ;;
 125   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 126   ;;
 127   --enable-cross) build_cross="yes"
 128   ;;
 129   --disable-static) disable_static="yes"
 130   ;;
 131   --disable-rpath) disable_rpath="yes"
 132   ;;
 133   --strip-binaries) strip_binaries="yes"
 134   ;;
 135   --with-libgcc) use_libgcc="yes"
 136   ;;
 137   --with-selinux) have_selinux="yes"
 138   ;;
 139   --help|-h) show_help="yes"
 140   ;;
 141   *) echo "configure: WARNING: unrecognized option $opt"
 142   ;;
 143   esac
 144 done
 145
 146 if test -z "$cpu" ; then
 147     if test -n "$ARCH" ; then
 148         cpu="$ARCH"
 149     else
 150         cpu=`uname -m`
 151     fi
 152 fi
 153
 154 case "$cpu" in
 155   x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
 156     cpu="x86"
 157   ;;
 158   x86_64|amd64)
 159     cpu="x86-64"
 160   ;;
 161   arm*)
 162     case "$cpu" in
 163       arm|armv4l)
 164         cpuver=4
 165       ;;
 166       armv5tel|armv5tejl)
 167         cpuver=5
 168       ;;
 169       armv6j|armv6l)
 170         cpuver=6
 171       ;;
 172       armv7a|armv7l)
 173         cpuver=7
 174       ;;
 175     esac
 176     cpu="armv4l"
 177   ;;
 178   aarch64)
 179     cpu="aarch64"
 180   ;;
 181   alpha)
 182     cpu="alpha"
 183   ;;
 184   "Power Macintosh"|ppc|ppc64)
 185     cpu="powerpc"
 186   ;;
 187   mips)
 188     cpu="mips"
 189   ;;
 190   s390)
 191     cpu="s390"
 192   ;;
 193   *)
 194   cpu="unknown"
 195   ;;
 196 esac
 197
 198 # Checking for CFLAGS
 199 if test -z "$CFLAGS"; then
 200     CFLAGS="-Wall -g -O2"
 201 fi
 202
 203 if test "$mingw32" = "yes" ; then
 204     if test x"$tccdir" = x""; then
 205       tccdir="tcc"
 206     fi
 207     if test -z "$prefix" ; then
 208       prefix="C:/Program Files/${tccdir}"
 209     fi
 210     if test -z "$sharedir" ; then
 211       sharedir="${prefix}"
 212     fi
 213     execprefix="$prefix"
 214     bindir="${prefix}"
 215     tccdir="${prefix}"
 216     libdir="${prefix}/lib"
 217     docdir="${sharedir}/doc"
 218     mandir="${sharedir}/man"
 219     infodir="${sharedir}/info"
 220     LIBSUF=".lib"
 221     EXESUF=".exe"
 222 else
 223     if test -z "$prefix" ; then
 224       prefix="/usr/local"
 225     fi
 226     if test -z "$sharedir" ; then
 227       sharedir="${prefix}/share"
 228     fi
 229     if test x"$execprefix" = x""; then
 230       execprefix="${prefix}"
 231     fi
 232     if test x"$libdir" = x""; then
 233       libdir="${execprefix}/lib"
 234     fi
 235     if test x"$bindir" = x""; then
 236       bindir="${execprefix}/bin"
 237     fi
 238     if test x"$docdir" = x""; then
 239       docdir="${sharedir}/doc"
 240     fi
 241     if test x"$mandir" = x""; then
 242       mandir="${sharedir}/man"
 243     fi
 244     if test x"$infodir" = x""; then
 245       infodir="${sharedir}/info"
 246     fi
 247     if test x"$tccdir" = x""; then
 248       tccdir="${libdir}/tcc"
 249     fi
 250 fi # mingw32
 251
 252 if test x"$includedir" = x""; then
 253   includedir="${prefix}/include"
 254 fi
 255
 256 if test x"$show_help" = "xyes" ; then
 257 cat << EOF
 258 Usage: configure [options]
 259 Options: [defaults in brackets after descriptions]
 260
 261 Standard options:
 262   --help                   print this message
 263   --prefix=PREFIX          install in PREFIX [$prefix]
 264   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 265                            [same as prefix]
 266   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 267   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 268   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 269   --includedir=DIR         C header files in DIR [PREFIX/include]
 270   --sharedir=DIR           documentation root DIR [PREFIX/share]
 271   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 272   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 273   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 274
 275 Advanced options (experts only):
 276   --source-path=PATH       path of source code [$source_path]
 277   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 278   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 279   --cc=CC                  use C compiler CC [$cc]
 280   --ar=AR                  create archives using AR [$ar]
 281   --extra-cflags=          specify compiler flags [$CFLAGS]
 282   --extra-ldflags=         specify linker options []
 283   --cpu=CPU                CPU [$cpu]
 284   --strip-binaries         strip symbol tables from resulting binaries
 285   --disable-static         make libtcc.so instead of libtcc.a
 286   --disable-rpath          disable use of -rpath with the above
 287   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a in dynamic link
 288   --enable-mingw32         build windows version on linux with mingw32
 289   --enable-cygwin          build windows version on windows with cygwin
 290   --enable-cross           build cross compilers
 291   --with-selinux           use mmap for exec mem [needs writable /tmp]
 292   --sysincludepaths=...    specify system include paths, colon separated
 293   --libpaths=...           specify system library paths, colon separated
 294   --crtprefix=...          specify locations of crt?.o, colon separated
 295   --elfinterp=...          specify elf interpreter
 296 EOF
 297 #echo "NOTE: The object files are build at the place where configure is launched"
 298 exit 1
 299 fi
 300
 301 cc="${cross_prefix}${cc}"
 302 ar="${cross_prefix}${ar}"
 303 strip="${cross_prefix}${strip}"
 304
 305 CONFTEST=./conftest$EXESUF
 306
 307 if test -z "$cross_prefix" ; then
 308   if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 309     echo "configure: error: '$cc' failed to compile conftest.c."
 310   else
 311     bigendian="$($CONFTEST bigendian)"
 312     gcc_major="$($CONFTEST version)"
 313     gcc_minor="$($CONFTEST minor)"
 314     if test "$mingw32" = "no" ; then
 315       triplet="$($CONFTEST triplet)"
 316       if test -f "/usr/lib/$triplet/crti.o" ; then
 317         tcc_lddir="lib"
 318         multiarch_triplet="$triplet"
 319       elif test "$cpu" != "x86" -a -f "/usr/lib64/crti.o" ; then
 320         tcc_lddir="lib64"
 321       fi
 322
 323       if test "$cpu" = "armv4l" ; then
 324         if test "${triplet%eabihf}" != "$triplet" ; then
 325            confvars="$confvars arm_eabihf"
 326         elif test "${triplet%eabi}" != "$triplet" ; then
 327            confvars="$confvars arm_eabi"
 328         fi
 329         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 330            confvars="$confvars arm_vfp"
 331         fi
 332       fi
 333
 334 #      multiarch_triplet=${libc_dir#*/}
 335 #      multiarch_triplet=${multiarch_triplet%/}
 336 #      tcc_lddir="${libc_dir%%/*}"
 337 #      if test -n "$multiarch_triplet" ; then
 338 #        tcc_lddir="$tcc_lddir/$multiarch_triplet"
 339 #      fi
 340
 341       if test -f "/lib/ld-uClibc.so.0" ; then
 342         confvars="$confvars uClibc"
 343       fi
 344
 345 #      if test -z "$tcc_elfinterp" ; then
 346 #        tcc_elfinterp="$(ldd $CONFTEST | grep '/ld-.*.so' | sed 's,\s*\(\S\+\).*,\1,')"
 347 #      fi
 348
 349     fi
 350   fi
 351 else
 352   # if cross compiling, cannot launch a program, so make a static guess
 353   case $cpu in
 354     powerpc|mips|s390)  bigendian=yes;;
 355   esac
 356 fi
 357
 358 # a final configuration tuning
 359 $cc -v --help > cc_help.txt 2>&1
 360 W_OPTIONS="declaration-after-statement"
 361 for i in $W_OPTIONS; do
 362     O_PRESENT="$(grep -- -W$i cc_help.txt)"
 363     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -W$i"; fi
 364 done
 365 W_OPTIONS="deprecated-declarations strict-aliasing pointer-sign sign-compare unused-result uninitialized"
 366 for i in $W_OPTIONS; do
 367     O_PRESENT="$(grep -- -W$i cc_help.txt)"
 368     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -Wno-$i"; fi
 369 done
 370 F_OPTIONS="strict-aliasing"
 371 for i in $F_OPTIONS; do
 372     O_PRESENT="$(grep -- -f$i cc_help.txt)"
 373     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -fno-$i"; fi
 374 done
 375 rm -f cc_help.txt
 376
 377 echo "Binary  directory   $bindir"
 378 echo "TinyCC directory    $tccdir"
 379 echo "Library directory   $libdir"
 380 echo "Include directory   $includedir"
 381 echo "Manual directory    $mandir"
 382 echo "Info directory      $infodir"
 383 echo "Doc directory       $docdir"
 384 echo "Target root prefix  $sysroot"
 385 echo "Source path         $source_path"
 386 echo "C compiler          $cc"
 387 echo "Target OS           $targetos"
 388 echo "CPU                 $cpu"
 389 echo "Big Endian          $bigendian"
 390 echo "gprof enabled       $gprof"
 391 echo "cross compilers     $build_cross"
 392 echo "use libgcc          $use_libgcc"
 393
 394 echo "Creating config.mak and config.h"
 395
 396 cat >config.mak <<EOF
 397 # Automatically generated by configure - do not modify
 398 prefix=$prefix
 399 bindir=\$(DESTDIR)$bindir
 400 tccdir=\$(DESTDIR)$tccdir
 401 libdir=\$(DESTDIR)$libdir
 402 ln_libdir=$libdir
 403 includedir=\$(DESTDIR)$includedir
 404 mandir=\$(DESTDIR)$mandir
 405 infodir=\$(DESTDIR)$infodir
 406 docdir=\$(DESTDIR)$docdir
 407 CC=$cc
 408 GCC_MAJOR=$gcc_major
 409 GCC_MINOR=$gcc_minor
 410 AR=$ar
 411 STRIP=$strip -s -R .comment -R .note
 412 CFLAGS=$CFLAGS
 413 LDFLAGS=$LDFLAGS
 414 LIBSUF=$LIBSUF
 415 EXESUF=$EXESUF
 416 EOF
 417
 418 print_inc() {
 419   if test -n "$2"; then
 420     echo "#ifndef $1" >> $TMPH
 421     echo "# define $1 \"$2\"" >> $TMPH
 422     echo "#endif" >> $TMPH
 423   fi
 424 }
 425 print_mak() {
 426   if test -n "$2"; then
 427     echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
 428   fi
 429 }
 430
 431 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 432
 433 print_inc CONFIG_SYSROOT "$sysroot"
 434 print_inc CONFIG_TCCDIR "$tccdir"
 435 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 436 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 437 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 438 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 439 print_mak CONFIG_LDDIR "$tcc_lddir"
 440 print_mak CONFIG_MULTIARCHDIR "$multiarch_triplet"
 441
 442 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 443 echo "#define GCC_MINOR $gcc_minor" >> $TMPH
 444
 445 if test "$cpu" = "x86" ; then
 446   echo "ARCH=i386" >> config.mak
 447 elif test "$cpu" = "x86-64" ; then
 448   echo "ARCH=x86-64" >> config.mak
 449 elif test "$cpu" = "armv4l" ; then
 450   echo "ARCH=arm" >> config.mak
 451   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 452 elif test "$cpu" = "aarch64" ; then
 453   echo "ARCH=arm64" >> config.mak
 454 elif test "$cpu" = "powerpc" ; then
 455   echo "ARCH=ppc" >> config.mak
 456 elif test "$cpu" = "mips" ; then
 457   echo "ARCH=mips" >> config.mak
 458 elif test "$cpu" = "s390" ; then
 459   echo "ARCH=s390" >> config.mak
 460 elif test "$cpu" = "alpha" ; then
 461   echo "ARCH=alpha" >> config.mak
 462 else
 463   echo "Unsupported CPU"
 464   exit 1
 465 fi
 466
 467 echo "TARGETOS=$targetos" >> config.mak
 468
 469 for v in $confvars ; do
 470   echo "CONFIG_$v=yes" >> config.mak
 471 done
 472 if test "$noldl" = "yes" ; then
 473   echo "CONFIG_NOLDL=yes" >> config.mak
 474 fi
 475 if test "$mingw32" = "yes" ; then
 476   echo "CONFIG_WIN32=yes" >> config.mak
 477 fi
 478 if test "$cygwin" = "yes" ; then
 479   echo "#ifndef _WIN32" >> $TMPH
 480   echo "# define _WIN32" >> $TMPH
 481   echo "#endif" >> $TMPH
 482   echo "AR=ar" >> config.mak
 483 fi
 484 if test "$bigendian" = "yes" ; then
 485   echo "WORDS_BIGENDIAN=yes" >> config.mak
 486   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 487 fi
 488 if test "$gprof" = "yes" ; then
 489   echo "TARGET_GPROF=yes" >> config.mak
 490   echo "#define HAVE_GPROF 1" >> $TMPH
 491 fi
 492 if test "$build_cross" = "yes" ; then
 493   echo "CONFIG_CROSS=yes" >> config.mak
 494 fi
 495 if test "$disable_static" = "yes" ; then
 496   echo "DISABLE_STATIC=yes" >> config.mak
 497 fi
 498 if test "$disable_rpath" = "yes" ; then
 499   echo "DISABLE_RPATH=yes" >> config.mak
 500 fi
 501 if test "$strip_binaries" = "yes" ; then
 502   echo "STRIP_BINARIES=yes" >> config.mak
 503 fi
 504 if test "$use_libgcc" = "yes" ; then
 505   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 506   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 507 fi
 508 if test "$have_selinux" = "yes" ; then
 509   echo "#define HAVE_SELINUX" >> $TMPH
 510   echo "HAVE_SELINUX=yes" >> config.mak
 511 fi
 512
 513 version=`head $source_path/VERSION`
 514 echo "VERSION = $version" >> config.mak
 515 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 516 echo "@set VERSION $version" > config.texi
 517
 518 if test "$source_path_used" = "yes" ; then
 519     case $source_path in
 520        /*) echo "TOPSRC=$source_path";;
 521         *) echo "TOPSRC=\$(TOP)/$source_path";;
 522      esac >>config.mak
 523 else
 524      echo 'TOPSRC=$(TOP)' >>config.mak
 525 fi
 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
 555     ln -sfn $tgt $2 || ( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
 556 }
 557
 558 if test "$source_path_used" = "yes" ; then
 559   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
 560   for f in $FILES ; do
 561     fn_makelink $source_path $f
 562   done
 563 fi
 564
 565 # ---------------------------------------------------------------------------