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 TMPC=$TMPN.c
  26 TMPH=$TMPN.h
  27 TMPO=$TMPN.o
  28 TMPE=$TMPN
  29
  30 # default parameters
  31 build_cross="no"
  32 use_libgcc="no"
  33 prefix=""
  34 execprefix=""
  35 bindir=""
  36 libdir=""
  37 tccdir=""
  38 includedir=""
  39 mandir=""
  40 infodir=""
  41 sysroot=""
  42 cross_prefix=""
  43 cc="gcc"
  44 host_cc="gcc"
  45 ar="ar"
  46 strip="strip"
  47 cygwin="no"
  48 cpu=`uname -m`
  49
  50 tcc_sysincludepaths=""
  51 tcc_libpaths=""
  52 tcc_crtprefix=""
  53 tcc_elfinterp=""
  54
  55 case "$cpu" in
  56   i386|i486|i586|i686|i86pc|BePC|i686-AT386)
  57     cpu="x86"
  58   ;;
  59   x86_64)
  60     cpu="x86-64"
  61   ;;
  62   arm*)
  63     case "$cpu" in
  64       arm|armv4l)
  65         cpuver=4
  66       ;;
  67       armv5tel|armv5tejl)
  68         cpuver=5
  69       ;;
  70       armv6j|armv6l)
  71         cpuver=6
  72       ;;
  73       armv7a|armv7l)
  74         cpuver=7
  75       ;;
  76     esac
  77     cpu="armv4l"
  78   ;;
  79   alpha)
  80     cpu="alpha"
  81   ;;
  82   "Power Macintosh"|ppc|ppc64)
  83     cpu="powerpc"
  84   ;;
  85   mips)
  86     cpu="mips"
  87   ;;
  88   s390)
  89     cpu="s390"
  90   ;;
  91   *)
  92     cpu="unknown"
  93   ;;
  94 esac
  95 gprof="no"
  96 bigendian="no"
  97 mingw32="no"
  98 LIBSUF=".a"
  99 EXESUF=""
 100
 101 # OS specific
 102 targetos=`uname -s`
 103 case $targetos in
 104   MINGW32*)  mingw32=yes;;
 105   DragonFly) noldl=yes;;
 106   OpenBSD)   noldl=yes;;
 107   *) ;;
 108 esac
 109
 110 # find source path
 111 # XXX: we assume an absolute path is given when launching configure,
 112 # except in './configure' case.
 113 source_path=${0%configure}
 114 source_path=${source_path%/}
 115 source_path_used="yes"
 116 if test -z "$source_path" -o "$source_path" = "." ; then
 117     source_path=`pwd`
 118     source_path_used="no"
 119 fi
 120
 121 for opt do
 122   eval opt=$opt
 123   case "$opt" in
 124   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 125   ;;
 126   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 127   ;;
 128   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
 129   ;;
 130   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 131   ;;
 132   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 133   ;;
 134   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 135   ;;
 136   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 137   ;;
 138   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 139   ;;
 140   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 141   ;;
 142   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 143   ;;
 144   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 145   ;;
 146   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 147   ;;
 148   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 149   ;;
 150   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 151   ;;
 152   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 153   ;;
 154   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 155   ;;
 156   --extra-libs=*) extralibs=${opt#--extra-libs=}
 157   ;;
 158   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 159   ;;
 160   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 161   ;;
 162   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 163   ;;
 164   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 165   ;;
 166   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 167   ;;
 168   --enable-gprof) gprof="yes"
 169   ;;
 170   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 171   ;;
 172   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 173   ;;
 174   --enable-cross) build_cross="yes"
 175   ;;
 176   --disable-static) disable_static="yes"
 177   ;;
 178   --disable-rpath) disable_rpath="yes"
 179   ;;
 180   --strip-binaries) strip_binaries="yes"
 181   ;;
 182   --with-libgcc) use_libgcc="yes"
 183   ;;
 184   --with-selinux) have_selinux="yes"
 185   ;;
 186   --help|-h) show_help="yes"
 187   ;;
 188   *) echo "configure: WARNING: unrecognized option $opt"
 189   ;;
 190   esac
 191 done
 192
 193 # Checking for CFLAGS
 194 if test -z "$CFLAGS"; then
 195     CFLAGS="-Wall -g -O2"
 196 fi
 197
 198 cc="${cross_prefix}${cc}"
 199 ar="${cross_prefix}${ar}"
 200 strip="${cross_prefix}${strip}"
 201
 202 if test "$mingw32" = "yes" ; then
 203     LIBSUF=".lib"
 204     EXESUF=".exe"
 205 fi
 206
 207 if test -z "$cross_prefix" ; then
 208
 209 # ---
 210 # big/little endian test
 211 cat > $TMPC << EOF
 212 #include <inttypes.h>
 213 int main(int argc, char ** argv){
 214     volatile uint32_t i=0x01234567;
 215     return (*((uint8_t*)(&i))) == 0x67;
 216 }
 217 EOF
 218
 219 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 220     $TMPE && bigendian="yes"
 221 else
 222     echo big/little test failed
 223 fi
 224
 225 else
 226
 227 # if cross compiling, cannot launch a program, so make a static guess
 228 case $cpu in
 229   powerpc|mips|s390)  bigendian=yes;;
 230 esac
 231
 232 fi
 233
 234 # check gcc version
 235 cat > $TMPC <<EOF
 236 int main(void) {
 237 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 238 return 0;
 239 #else
 240 #error gcc < 3.2
 241 #endif
 242 }
 243 EOF
 244
 245 gcc_major="2"
 246 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 247     gcc_major="3"
 248 fi
 249 cat > $TMPC <<EOF
 250 int main(void) {
 251 #if __GNUC__ >= 4
 252 return 0;
 253 #else
 254 #error gcc < 4
 255 #endif
 256 }
 257 EOF
 258
 259 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 260     gcc_major="4"
 261 fi
 262
 263 if test -z "$cross_prefix" ; then
 264  if test -f "/usr/lib64" ; then
 265    lddir="lib64"
 266  elif test -z "$tcc_crtprefix" ; then # check if system is multiarch
 267   if ! test -f $sysroot/usr/lib/crti.o -o test -L $sysroot/usr/lib/crti.o ; then
 268    use_multiarch="yes"
 269   fi
 270  fi
 271 fi
 272
 273 if test x"$show_help" = "xyes" ; then
 274 cat << EOF
 275 Usage: configure [options]
 276 Options: [defaults in brackets after descriptions]
 277
 278 Standard options:
 279   --help                   print this message
 280   --prefix=PREFIX          install in PREFIX [$prefix]
 281   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 282                            [same as prefix]
 283   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 284   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 285   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 286   --includedir=DIR         C header files in DIR [PREFIX/include]
 287   --sharedir=DIR           documentation root DIR [PREFIX]/share
 288   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 289   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 290   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 291
 292 Advanced options (experts only):
 293   --source-path=PATH       path of source code [$source_path]
 294   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 295   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 296   --cc=CC                  use C compiler CC [$cc]
 297   --disable-static         make libtcc.so instead of libtcc.a
 298   --disable-rpath          disable use of -rpath with the above
 299   --strip-binaries         strip symbol tables from resulting binaries
 300   --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc.a
 301   --enable-mingw32         build windows version on linux with mingw32
 302   --enable-cygwin          build windows version on windows with cygwin
 303                            [requires cygwin and mingw32-make]
 304   --enable-cross           build cross compilers
 305   --extra-cflags=          extra compiler flags
 306   --extra-ldflags=         extra linker options
 307   --with-selinux           use mmap instead of exec mem
 308                            [requires write access to /tmp]
 309   --sysincludepaths=...    specify system include paths, colon separated
 310   --libpaths=...           specify system library paths, colon separated
 311   --crtprefix=...          specify locations of crt?.o, colon separated
 312   --elfinterp=...          specify elf interpreter
 313 EOF
 314 #echo "NOTE: The object files are build at the place where configure is launched"
 315 exit 1
 316 fi
 317
 318 if test "$mingw32" = "yes" ; then
 319     if test x"$tccdir" = x""; then
 320     tccdir="tcc"
 321     fi
 322     if test -z "$prefix" ; then
 323     prefix="C:/Program Files/${tccdir}"
 324     fi
 325     if test -z "$sharedir" ; then
 326     sharedir="${prefix}"
 327     fi
 328     execprefix="$prefix"
 329     bindir="${prefix}"
 330     tccdir="${prefix}"
 331     libdir="${prefix}/lib"
 332     docdir="${sharedir}/doc"
 333     mandir="${sharedir}/man"
 334     infodir="${sharedir}/info"
 335 else
 336     if test -z "$prefix" ; then
 337     prefix="/usr/local"
 338     fi
 339     if test -z "$sharedir" ; then
 340     sharedir="${prefix}/share"
 341     fi
 342     if test x"$execprefix" = x""; then
 343     execprefix="${prefix}"
 344     fi
 345     if test x"$libdir" = x""; then
 346     libdir="${execprefix}/lib"
 347     fi
 348     if test x"$bindir" = x""; then
 349     bindir="${execprefix}/bin"
 350     fi
 351     if test x"$tccdir" = x""; then
 352     tccdir="tcc"
 353     fi
 354     if test x"$docdir" = x""; then
 355     docdir="${sharedir}/doc/${tccdir}"
 356     fi
 357     if test x"$mandir" = x""; then
 358     mandir="${sharedir}/man"
 359     fi
 360     if test x"$infodir" = x""; then
 361     infodir="${sharedir}/info"
 362     fi
 363     tccdir="${libdir}/${tccdir}"
 364 fi # mingw32
 365
 366 if test x"$includedir" = x""; then
 367 includedir="${prefix}/include"
 368 fi
 369
 370 cat <<EOF
 371 Binary  directory   $bindir
 372 TinyCC directory    $tccdir
 373 Library directory   $libdir
 374 Include directory   $includedir
 375 Manual directory    $mandir
 376 Info directory      $infodir
 377 Doc directory       $docdir
 378 Target root prefix  $sysroot
 379 Source path      $source_path
 380 C compiler       $cc
 381 Target OS        $targetos
 382 CPU              $cpu
 383 Big Endian       $bigendian
 384 gprof enabled    $gprof
 385 cross compilers  $build_cross
 386 use libgcc       $use_libgcc
 387 EOF
 388
 389 echo "Creating config.mak and config.h"
 390
 391 cat >config.mak <<EOF
 392 # Automatically generated by configure - do not modify
 393 prefix=$prefix
 394 bindir=\$(DESTDIR)$bindir
 395 tccdir=\$(DESTDIR)$tccdir
 396 libdir=\$(DESTDIR)$libdir
 397 ln_libdir=$libdir
 398 includedir=\$(DESTDIR)$includedir
 399 mandir=\$(DESTDIR)$mandir
 400 infodir=\$(DESTDIR)$infodir
 401 docdir=\$(DESTDIR)$docdir
 402 EOF
 403
 404 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 405 print_var1()
 406 {
 407   echo "#ifndef $1" >> $TMPH
 408   echo "# define $1 \"$2\"" >> $TMPH
 409   echo "#endif" >> $TMPH
 410 }
 411 print_var2()
 412 {
 413   if test -n "$2"; then print_var1 $1 "$2"; fi
 414 }
 415 print_var2 CONFIG_SYSROOT "$sysroot"
 416 print_var1 CONFIG_TCCDIR "$tccdir"
 417 print_var2 CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 418 print_var2 CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 419 print_var2 CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 420 print_var2 CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 421
 422 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 423
 424 cat >> config.mak <<EOF
 425 CC=$cc
 426 GCC_MAJOR=$gcc_major
 427 HOST_CC=$host_cc
 428 AR=$ar
 429 STRIP=$strip -s -R .comment -R .note
 430 CFLAGS=$CFLAGS
 431 LDFLAGS=$LDFLAGS
 432 LIBSUF=$LIBSUF
 433 EXESUF=$EXESUF
 434 EOF
 435
 436 if test "$cpu" = "x86" ; then
 437   echo "ARCH=i386" >> config.mak
 438   echo "#define HOST_I386 1" >> $TMPH
 439 elif test "$cpu" = "x86-64" ; then
 440   echo "ARCH=x86-64" >> config.mak
 441   echo "#define HOST_X86_64 1" >> $TMPH
 442 elif test "$cpu" = "armv4l" ; then
 443   echo "ARCH=arm" >> config.mak
 444   echo "#define HOST_ARM 1" >> $TMPH
 445   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 446 elif test "$cpu" = "powerpc" ; then
 447   echo "ARCH=ppc" >> config.mak
 448   echo "#define HOST_PPC 1" >> $TMPH
 449 elif test "$cpu" = "mips" ; then
 450   echo "ARCH=mips" >> config.mak
 451   echo "#define HOST_MIPS 1" >> $TMPH
 452 elif test "$cpu" = "s390" ; then
 453   echo "ARCH=s390" >> config.mak
 454   echo "#define HOST_S390 1" >> $TMPH
 455 elif test "$cpu" = "alpha" ; then
 456   echo "ARCH=alpha" >> config.mak
 457   echo "#define HOST_ALPHA 1" >> $TMPH
 458 else
 459   echo "Unsupported CPU"
 460   exit 1
 461 fi
 462 echo "TARGETOS=$targetos" >> config.mak
 463 if test "$noldl" = "yes" ; then
 464   echo "CONFIG_NOLDL=yes" >> config.mak
 465 fi
 466 if test "$mingw32" = "yes" ; then
 467   echo "CONFIG_WIN32=yes" >> config.mak
 468   echo "#define CONFIG_WIN32 1" >> $TMPH
 469 fi
 470 if test "$cygwin" = "yes" ; then
 471   echo "#ifndef _WIN32" >> $TMPH
 472   echo "#define _WIN32" >> $TMPH
 473   echo "#endif" >> $TMPH
 474   echo "AR=ar" >> config.mak
 475 fi
 476 if test "$bigendian" = "yes" ; then
 477   echo "WORDS_BIGENDIAN=yes" >> config.mak
 478   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 479 fi
 480 if test "$gprof" = "yes" ; then
 481   echo "TARGET_GPROF=yes" >> config.mak
 482   echo "#define HAVE_GPROF 1" >> $TMPH
 483 fi
 484 if test "$build_cross" = "yes" ; then
 485   echo "CONFIG_CROSS=yes" >> config.mak
 486 fi
 487 if test "$disable_static" = "yes" ; then
 488   echo "DISABLE_STATIC=yes" >> config.mak
 489 fi
 490 if test "$disable_rpath" = "yes" ; then
 491   echo "DISABLE_RPATH=yes" >> config.mak
 492 fi
 493 if test "$strip_binaries" = "yes" ; then
 494   echo "STRIP_BINARIES=yes" >> config.mak
 495 fi
 496 if test "$use_libgcc" = "yes" ; then
 497   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 498   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 499 fi
 500 if test "$have_selinux" = "yes" ; then
 501   echo "#define HAVE_SELINUX" >> $TMPH
 502   echo "HAVE_SELINUX=yes" >> config.mak
 503 fi
 504 if test "$use_multiarch" = "yes" ; then
 505   echo "#define CONFIG_TCC_MULTIARCH" >> $TMPH
 506 fi
 507 if test -n "$lddir" ; then
 508   echo "#define CONFIG_LDDIR \"$lddir\"" >> $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 # build tree in object directory if source path is different from current one
 518 if test "$source_path_used" = "yes" ; then
 519     FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile"
 520     for f in $FILES ; do
 521         dir=`fn_dirname "$f"`
 522         test -d "$dir" || mkdir -p "$dir"
 523         # Build a symlink $f that points to $dest, its $source_path
 524         # counterpart.
 525         case $source_path in
 526           /*) dest=$source_path/$f;;
 527            *) dest=`echo "$dir/" | sed 's,^\./,,;s,[^/]*/,../,g'`
 528               dest=$dest$source_path/$f;;
 529         esac
 530         ln -sf $dest $f
 531     done
 532     case $source_path in
 533        /*) echo "top_srcdir=$source_path";;
 534         *) echo "top_srcdir=\$(TOP)/$source_path";;
 535      esac >>config.mak
 536 else
 537      echo 'top_srcdir=$(TOP)' >>config.mak
 538 fi
 539 echo 'top_builddir=$(TOP)' >>config.mak
 540
 541 diff $TMPH config.h >/dev/null 2>&1
 542 if test $? -ne 0 ; then
 543     mv -f $TMPH config.h
 544 else
 545     echo "config.h is unchanged"
 546 fi
 547
 548 rm -f $TMPN*