configure

   1 #!/bin/sh
   2 #
   3 # tcc configure script (c) 2003 Fabrice Bellard
   4
   5 fn_dirname()
   6 {
   7   case $1 in
   8     */*) echo ${1%/*};;
   9       *) echo '.'
  10   esac
  11 }
  12
  13 # set temporary file name
  14 if test ! -z "$TMPDIR" ; then
  15     TMPDIR1="${TMPDIR}"
  16 elif test ! -z "$TEMPDIR" ; then
  17     TMPDIR1="${TEMPDIR}"
  18 else
  19     TMPDIR1="/tmp"
  20 fi
  21
  22 # bashism: TMPN="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.c"
  23 TMPN="./conftest-$$"
  24
  25 TMPH=$TMPN.h
  26
  27 # default parameters
  28 build_cross="no"
  29 use_libgcc="no"
  30 prefix=""
  31 execprefix=""
  32 bindir=""
  33 libdir=""
  34 tccdir=""
  35 includedir=""
  36 mandir=""
  37 infodir=""
  38 sysroot=""
  39 cross_prefix=""
  40 cc="gcc"
  41 host_cc="gcc"
  42 ar="ar"
  43 strip="strip"
  44 cygwin="no"
  45 cpu=`uname -m`
  46
  47 tcc_sysincludepaths=""
  48 tcc_libpaths=""
  49 tcc_crtprefix=""
  50 tcc_elfinterp=""
  51
  52 case "$cpu" in
  53   i386|i486|i586|i686|i86pc|BePC|i686-AT386)
  54     cpu="x86"
  55   ;;
  56   x86_64)
  57     cpu="x86-64"
  58   ;;
  59   arm*)
  60     case "$cpu" in
  61       arm|armv4l)
  62         cpuver=4
  63       ;;
  64       armv5tel|armv5tejl)
  65         cpuver=5
  66       ;;
  67       armv6j|armv6l)
  68         cpuver=6
  69       ;;
  70       armv7a|armv7l)
  71         cpuver=7
  72       ;;
  73     esac
  74     cpu="armv4l"
  75   ;;
  76   alpha)
  77     cpu="alpha"
  78   ;;
  79   "Power Macintosh"|ppc|ppc64)
  80     cpu="powerpc"
  81   ;;
  82   mips)
  83     cpu="mips"
  84   ;;
  85   s390)
  86     cpu="s390"
  87   ;;
  88   *)
  89     cpu="unknown"
  90   ;;
  91 esac
  92 gprof="no"
  93 bigendian="no"
  94 mingw32="no"
  95 LIBSUF=".a"
  96 EXESUF=""
  97
  98 # OS specific
  99 targetos=`uname -s`
 100 case $targetos in
 101   MINGW32*)  mingw32=yes;;
 102   DragonFly) noldl=yes;;
 103   OpenBSD)   noldl=yes;;
 104   *) ;;
 105 esac
 106
 107 # find source path
 108 # XXX: we assume an absolute path is given when launching configure,
 109 # except in './configure' case.
 110 source_path=${0%configure}
 111 source_path=${source_path%/}
 112 source_path_used="yes"
 113 if test -z "$source_path" -o "$source_path" = "." ; then
 114     source_path=`pwd`
 115     source_path_used="no"
 116 fi
 117
 118 for opt do
 119   eval opt=$opt
 120   case "$opt" in
 121   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 122   ;;
 123   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 124   ;;
 125   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
 126   ;;
 127   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 128   ;;
 129   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 130   ;;
 131   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 132   ;;
 133   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 134   ;;
 135   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 136   ;;
 137   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 138   ;;
 139   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 140   ;;
 141   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 142   ;;
 143   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 144   ;;
 145   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 146   ;;
 147   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 148   ;;
 149   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 150   ;;
 151   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 152   ;;
 153   --extra-libs=*) extralibs=${opt#--extra-libs=}
 154   ;;
 155   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 156   ;;
 157   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 158   ;;
 159   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 160   ;;
 161   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 162   ;;
 163   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 164   ;;
 165   --enable-gprof) gprof="yes"
 166   ;;
 167   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 168   ;;
 169   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 170   ;;
 171   --enable-cross) build_cross="yes"
 172   ;;
 173   --disable-static) disable_static="yes"
 174   ;;
 175   --disable-rpath) disable_rpath="yes"
 176   ;;
 177   --strip-binaries) strip_binaries="yes"
 178   ;;
 179   --with-libgcc) use_libgcc="yes"
 180   ;;
 181   --with-selinux) have_selinux="yes"
 182   ;;
 183   --help|-h) show_help="yes"
 184   ;;
 185   *) echo "configure: WARNING: unrecognized option $opt"
 186   ;;
 187   esac
 188 done
 189
 190 # Checking for CFLAGS
 191 if test -z "$CFLAGS"; then
 192     CFLAGS="-Wall -g -O2"
 193 fi
 194
 195 cc="${cross_prefix}${cc}"
 196 ar="${cross_prefix}${ar}"
 197 strip="${cross_prefix}${strip}"
 198
 199 if test "$mingw32" = "yes" ; then
 200     LIBSUF=".lib"
 201     EXESUF=".exe"
 202 fi
 203
 204 if test -z "$cross_prefix" ; then
 205
 206 if ! $cc -o config-print config-print.c 2>/dev/null ; then
 207     echo "$cc is not able to compile TCC"
 208 else
 209         bigendian="$(./config-print e)"
 210         gcc_major="$(./config-print v)"
 211 fi
 212
 213 else
 214
 215 # if cross compiling, cannot launch a program, so make a static guess
 216 case $cpu in
 217   powerpc|mips|s390)  bigendian=yes;;
 218 esac
 219
 220 fi
 221
 222 if test -z "$cross_prefix" ; then
 223  libc_dir="$(ldd ./config-print | grep libc.so | sed 's|[^/]*/\(.*/\)[^/]*|\1|')"
 224  multiarch_triplet=${libc_dir#*/}
 225  multiarch_triplet=${multiarch_triplet%/}
 226  lddir="${libc_dir%%/*}"
 227  if test -n "$multiarch_triplet" ; then
 228   lddir="$lddir/$multiarch_triplet"
 229  fi
 230 fi
 231 rm config-print
 232
 233 if test x"$show_help" = "xyes" ; then
 234 cat << EOF
 235 Usage: configure [options]
 236 Options: [defaults in brackets after descriptions]
 237
 238 Standard options:
 239   --help                   print this message
 240   --prefix=PREFIX          install in PREFIX [$prefix]
 241   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 242                            [same as prefix]
 243   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 244   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 245   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 246   --includedir=DIR         C header files in DIR [PREFIX/include]
 247   --sharedir=DIR           documentation root DIR [PREFIX]/share
 248   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 249   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 250   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 251
 252 Advanced options (experts only):
 253   --source-path=PATH       path of source code [$source_path]
 254   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 255   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 256   --cc=CC                  use C compiler CC [$cc]
 257   --disable-static         make libtcc.so instead of libtcc.a
 258   --disable-rpath          disable use of -rpath with the above
 259   --strip-binaries         strip symbol tables from resulting binaries
 260   --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc.a
 261   --enable-mingw32         build windows version on linux with mingw32
 262   --enable-cygwin          build windows version on windows with cygwin
 263                            [requires cygwin and mingw32-make]
 264   --enable-cross           build cross compilers
 265   --extra-cflags=          extra compiler flags
 266   --extra-ldflags=         extra linker options
 267   --with-selinux           use mmap instead of exec mem
 268                            [requires write access to /tmp]
 269   --sysincludepaths=...    specify system include paths, colon separated
 270   --libpaths=...           specify system library paths, colon separated
 271   --crtprefix=...          specify locations of crt?.o, colon separated
 272   --elfinterp=...          specify elf interpreter
 273 EOF
 274 #echo "NOTE: The object files are build at the place where configure is launched"
 275 exit 1
 276 fi
 277
 278 if test "$mingw32" = "yes" ; then
 279     if test x"$tccdir" = x""; then
 280     tccdir="tcc"
 281     fi
 282     if test -z "$prefix" ; then
 283     prefix="C:/Program Files/${tccdir}"
 284     fi
 285     if test -z "$sharedir" ; then
 286     sharedir="${prefix}"
 287     fi
 288     execprefix="$prefix"
 289     bindir="${prefix}"
 290     tccdir="${prefix}"
 291     libdir="${prefix}/lib"
 292     docdir="${sharedir}/doc"
 293     mandir="${sharedir}/man"
 294     infodir="${sharedir}/info"
 295 else
 296     if test -z "$prefix" ; then
 297     prefix="/usr/local"
 298     fi
 299     if test -z "$sharedir" ; then
 300     sharedir="${prefix}/share"
 301     fi
 302     if test x"$execprefix" = x""; then
 303     execprefix="${prefix}"
 304     fi
 305     if test x"$libdir" = x""; then
 306     libdir="${execprefix}/lib"
 307     fi
 308     if test x"$bindir" = x""; then
 309     bindir="${execprefix}/bin"
 310     fi
 311     if test x"$tccdir" = x""; then
 312     tccdir="tcc"
 313     fi
 314     if test x"$docdir" = x""; then
 315     docdir="${sharedir}/doc/${tccdir}"
 316     fi
 317     if test x"$mandir" = x""; then
 318     mandir="${sharedir}/man"
 319     fi
 320     if test x"$infodir" = x""; then
 321     infodir="${sharedir}/info"
 322     fi
 323     tccdir="${libdir}/${tccdir}"
 324 fi # mingw32
 325
 326 if test x"$includedir" = x""; then
 327 includedir="${prefix}/include"
 328 fi
 329
 330 cat <<EOF
 331 Binary  directory   $bindir
 332 TinyCC directory    $tccdir
 333 Library directory   $libdir
 334 Include directory   $includedir
 335 Manual directory    $mandir
 336 Info directory      $infodir
 337 Doc directory       $docdir
 338 Target root prefix  $sysroot
 339 Source path      $source_path
 340 C compiler       $cc
 341 Target OS        $targetos
 342 CPU              $cpu
 343 Big Endian       $bigendian
 344 gprof enabled    $gprof
 345 cross compilers  $build_cross
 346 use libgcc       $use_libgcc
 347 EOF
 348
 349 echo "Creating config.mak and config.h"
 350
 351 cat >config.mak <<EOF
 352 # Automatically generated by configure - do not modify
 353 prefix=$prefix
 354 bindir=\$(DESTDIR)$bindir
 355 tccdir=\$(DESTDIR)$tccdir
 356 libdir=\$(DESTDIR)$libdir
 357 ln_libdir=$libdir
 358 includedir=\$(DESTDIR)$includedir
 359 mandir=\$(DESTDIR)$mandir
 360 infodir=\$(DESTDIR)$infodir
 361 docdir=\$(DESTDIR)$docdir
 362 EOF
 363
 364 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 365 print_var1()
 366 {
 367   echo "#ifndef $1" >> $TMPH
 368   echo "# define $1 \"$2\"" >> $TMPH
 369   echo "#endif" >> $TMPH
 370 }
 371 print_var2()
 372 {
 373   if test -n "$2"; then print_var1 $1 "$2"; fi
 374 }
 375 print_var2 CONFIG_SYSROOT "$sysroot"
 376 print_var1 CONFIG_TCCDIR "$tccdir"
 377 print_var2 CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 378 print_var2 CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 379 print_var2 CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 380 print_var2 CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 381 print_var2 CONFIG_MULTIARCHDIR "$multiarch_triplet"
 382 print_var2 CONFIG_LDDIR "$lddir"
 383
 384 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 385
 386 cat >> config.mak <<EOF
 387 CC=$cc
 388 GCC_MAJOR=$gcc_major
 389 HOST_CC=$host_cc
 390 AR=$ar
 391 STRIP=$strip -s -R .comment -R .note
 392 CFLAGS=$CFLAGS
 393 LDFLAGS=$LDFLAGS
 394 LIBSUF=$LIBSUF
 395 EXESUF=$EXESUF
 396 EOF
 397
 398 if test "$cpu" = "x86" ; then
 399   echo "ARCH=i386" >> config.mak
 400   echo "#define HOST_I386 1" >> $TMPH
 401 elif test "$cpu" = "x86-64" ; then
 402   echo "ARCH=x86-64" >> config.mak
 403   echo "#define HOST_X86_64 1" >> $TMPH
 404 elif test "$cpu" = "armv4l" ; then
 405   echo "ARCH=arm" >> config.mak
 406   echo "#define HOST_ARM 1" >> $TMPH
 407   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 408 elif test "$cpu" = "powerpc" ; then
 409   echo "ARCH=ppc" >> config.mak
 410   echo "#define HOST_PPC 1" >> $TMPH
 411 elif test "$cpu" = "mips" ; then
 412   echo "ARCH=mips" >> config.mak
 413   echo "#define HOST_MIPS 1" >> $TMPH
 414 elif test "$cpu" = "s390" ; then
 415   echo "ARCH=s390" >> config.mak
 416   echo "#define HOST_S390 1" >> $TMPH
 417 elif test "$cpu" = "alpha" ; then
 418   echo "ARCH=alpha" >> config.mak
 419   echo "#define HOST_ALPHA 1" >> $TMPH
 420 else
 421   echo "Unsupported CPU"
 422   exit 1
 423 fi
 424 echo "TARGETOS=$targetos" >> config.mak
 425 if test "$noldl" = "yes" ; then
 426   echo "CONFIG_NOLDL=yes" >> config.mak
 427 fi
 428 if test "$mingw32" = "yes" ; then
 429   echo "CONFIG_WIN32=yes" >> config.mak
 430   echo "#define CONFIG_WIN32 1" >> $TMPH
 431 fi
 432 if test "$cygwin" = "yes" ; then
 433   echo "#ifndef _WIN32" >> $TMPH
 434   echo "#define _WIN32" >> $TMPH
 435   echo "#endif" >> $TMPH
 436   echo "AR=ar" >> config.mak
 437 fi
 438 if test "$bigendian" = "yes" ; then
 439   echo "WORDS_BIGENDIAN=yes" >> config.mak
 440   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 441 fi
 442 if test "$gprof" = "yes" ; then
 443   echo "TARGET_GPROF=yes" >> config.mak
 444   echo "#define HAVE_GPROF 1" >> $TMPH
 445 fi
 446 if test "$build_cross" = "yes" ; then
 447   echo "CONFIG_CROSS=yes" >> config.mak
 448 fi
 449 if test "$disable_static" = "yes" ; then
 450   echo "DISABLE_STATIC=yes" >> config.mak
 451 fi
 452 if test "$disable_rpath" = "yes" ; then
 453   echo "DISABLE_RPATH=yes" >> config.mak
 454 fi
 455 if test "$strip_binaries" = "yes" ; then
 456   echo "STRIP_BINARIES=yes" >> config.mak
 457 fi
 458 if test "$use_libgcc" = "yes" ; then
 459   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 460   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 461 fi
 462 if test "$have_selinux" = "yes" ; then
 463   echo "#define HAVE_SELINUX" >> $TMPH
 464   echo "HAVE_SELINUX=yes" >> config.mak
 465 fi
 466
 467 version=`head $source_path/VERSION`
 468 echo "VERSION=$version" >>config.mak
 469 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 470 echo "@set VERSION $version" > config.texi
 471 echo "SRC_PATH=$source_path" >>config.mak
 472
 473 # build tree in object directory if source path is different from current one
 474 if test "$source_path_used" = "yes" ; then
 475     FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile"
 476     for f in $FILES ; do
 477         dir=`fn_dirname "$f"`
 478         test -d "$dir" || mkdir -p "$dir"
 479         # Build a symlink $f that points to $dest, its $source_path
 480         # counterpart.
 481         case $source_path in
 482           /*) dest=$source_path/$f;;
 483            *) dest=`echo "$dir/" | sed 's,^\./,,;s,[^/]*/,../,g'`
 484               dest=$dest$source_path/$f;;
 485         esac
 486         ln -sf $dest $f
 487     done
 488     case $source_path in
 489        /*) echo "top_srcdir=$source_path";;
 490         *) echo "top_srcdir=\$(TOP)/$source_path";;
 491      esac >>config.mak
 492 else
 493      echo 'top_srcdir=$(TOP)' >>config.mak
 494 fi
 495 echo 'top_builddir=$(TOP)' >>config.mak
 496
 497 diff $TMPH config.h >/dev/null 2>&1
 498 if test $? -ne 0 ; then
 499     mv -f $TMPH config.h
 500 else
 501     echo "config.h is unchanged"
 502 fi
 503
 504 rm -f $TMPN*