configure

   1 #!/bin/sh
   2 #
   3 # tcc configure script (c) 2003 Fabrice Bellard
   4
   5 fn_dirname()
   6 {
   7   case $1 in
   8     */*) echo "$1" | sed -e 's,/[^/]*,,';;
   9       *) echo '.'
  10   esac
  11 }
  12
  13 # set temporary file name
  14 if test ! -z "$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 $targetos in
 104 MINGW32*)
 105 mingw32="yes"
 106 ;;
 107 DragonFly)
 108 noldl="yes"
 109 ;;
 110 OpenBSD)
 111 noldl="yes"
 112 ;;
 113 *) ;;
 114 esac
 115
 116 # find source path
 117 # XXX: we assume an absolute path is given when launching configure,
 118 # except in './configure' case.
 119 source_path=${0%configure}
 120 source_path=${source_path%/}
 121 source_path_used="yes"
 122 if test -z "$source_path" -o "$source_path" = "." ; then
 123     source_path=`pwd`
 124     source_path_used="no"
 125 fi
 126
 127 for opt do
 128   eval opt=$opt
 129   case "$opt" in
 130   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 131   ;;
 132   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 133   ;;
 134   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
 135   ;;
 136   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 137   ;;
 138   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 139   ;;
 140   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 141   ;;
 142   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 143   ;;
 144   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 145   ;;
 146   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 147   ;;
 148   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 149   ;;
 150   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 151   ;;
 152   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 153   ;;
 154   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 155   ;;
 156   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 157   ;;
 158   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 159   ;;
 160   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 161   ;;
 162   --extra-libs=*) extralibs=${opt#--extra-libs=}
 163   ;;
 164   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 165   ;;
 166   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 167   ;;
 168   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 169   ;;
 170   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 171   ;;
 172   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 173   ;;
 174   --enable-gprof) gprof="yes"
 175   ;;
 176   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 177   ;;
 178   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 179   ;;
 180   --enable-cross) build_cross="yes"
 181   ;;
 182   --disable-static) disable_static="yes"
 183   ;;
 184   --disable-rpath) disable_rpath="yes"
 185   ;;
 186   --strip-binaries) strip_binaries="yes"
 187   ;;
 188   --with-libgcc) use_libgcc="yes"
 189   ;;
 190   --with-selinux) have_selinux="yes"
 191   ;;
 192   --help|-h) show_help="yes"
 193   ;;
 194   *) echo "configure: WARNING: unrecognized option $opt"
 195   ;;
 196   esac
 197 done
 198
 199 # Checking for CFLAGS
 200 if test -z "$CFLAGS"; then
 201     CFLAGS="-Wall -g -O2"
 202 fi
 203
 204 cc="${cross_prefix}${cc}"
 205 ar="${cross_prefix}${ar}"
 206 strip="${cross_prefix}${strip}"
 207
 208 if test "$mingw32" = "yes" ; then
 209     LIBSUF=".lib"
 210     EXESUF=".exe"
 211 fi
 212
 213 if test -z "$cross_prefix" ; then
 214
 215 # ---
 216 # big/little endian test
 217 cat > $TMPC << EOF
 218 #include <inttypes.h>
 219 int main(int argc, char ** argv){
 220     volatile uint32_t i=0x01234567;
 221     return (*((uint8_t*)(&i))) == 0x67;
 222 }
 223 EOF
 224
 225 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 226     $TMPE && bigendian="yes"
 227 else
 228     echo big/little test failed
 229 fi
 230
 231 else
 232
 233 # if cross compiling, cannot launch a program, so make a static guess
 234 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 235     bigendian="yes"
 236 fi
 237
 238 fi
 239
 240 # check gcc version
 241 cat > $TMPC <<EOF
 242 int main(void) {
 243 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 244 return 0;
 245 #else
 246 #error gcc < 3.2
 247 #endif
 248 }
 249 EOF
 250
 251 gcc_major="2"
 252 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 253     gcc_major="3"
 254 fi
 255 cat > $TMPC <<EOF
 256 int main(void) {
 257 #if __GNUC__ >= 4
 258 return 0;
 259 #else
 260 #error gcc < 4
 261 #endif
 262 }
 263 EOF
 264
 265 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 266     gcc_major="4"
 267 fi
 268
 269 if test x"$show_help" = "xyes" ; then
 270 cat << EOF
 271
 272 Usage: configure [options]
 273 Options: [defaults in brackets after descriptions]
 274
 275 EOF
 276 echo "Standard options:"
 277 echo "  --help                   print this message"
 278 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 279 echo "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 280 echo "                           [same as prefix]"
 281 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 282 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 283 echo "  --tccdir=DIR             installation directory [EPREFIX/lib/tcc]"
 284 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 285 echo "  --sharedir=DIR           documentation root DIR [PREFIX]/share"
 286 echo "  --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]"
 287 echo "  --mandir=DIR             man documentation in DIR [SHAREDIR/man]"
 288 echo "  --infodir=DIR            info documentation in DIR [SHAREDIR/info]"
 289 echo ""
 290 echo "Advanced options (experts only):"
 291 echo "  --source-path=PATH       path of source code [$source_path]"
 292 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 293 echo "  --sysroot=PREFIX         prepend PREFIX to library/include paths []"
 294 echo "  --cc=CC                  use C compiler CC [$cc]"
 295 echo "  --disable-static         make libtcc.so instead of libtcc.a"
 296 echo "  --disable-rpath          disable use of -rpath with the above"
 297 echo "  --strip-binaries         strip symbol tables from resulting binaries"
 298 echo "  --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc.a"
 299 echo "  --enable-mingw32         build windows version on linux with mingw32"
 300 echo "  --enable-cygwin          build windows version on windows with cygwin"
 301 echo "                           [requires cygwin and mingw32-make]"
 302 echo "  --enable-cross           build cross compilers"
 303 echo "  --extra-cflags=          extra compiler flags"
 304 echo "  --extra-ldflags=         extra linker options"
 305 echo "  --with-selinux           use mmap instead of exec mem"
 306 echo "                           [requires write access to /tmp]"
 307 echo "  --sysincludepaths=...    specify system include paths, colon separated"
 308 echo "  --libpaths=...           specify system library paths, colon separated"
 309 echo "  --crtprefix=...          specify locations of crt?.o, colon separated"
 310 echo "  --elfinterp=...          specify elf interpreter"
 311 echo ""
 312 #echo "NOTE: The object files are build at the place where configure is launched"
 313 exit 1
 314 fi
 315
 316 if test "$mingw32" = "yes" ; then
 317     if test x"$tccdir" = x""; then
 318     tccdir="tcc"
 319     fi
 320     if test -z "$prefix" ; then
 321     prefix="C:/Program Files/${tccdir}"
 322     fi
 323     if test -z "$sharedir" ; then
 324     sharedir="${prefix}"
 325     fi
 326     execprefix="$prefix"
 327     bindir="${prefix}"
 328     tccdir="${prefix}"
 329     libdir="${prefix}/lib"
 330     docdir="${sharedir}/doc"
 331     mandir="${sharedir}/man"
 332     infodir="${sharedir}/info"
 333 else
 334     if test -z "$prefix" ; then
 335     prefix="/usr/local"
 336     fi
 337     if test -z "$sharedir" ; then
 338     sharedir="${prefix}/share"
 339     fi
 340     if test x"$execprefix" = x""; then
 341     execprefix="${prefix}"
 342     fi
 343     if test x"$libdir" = x""; then
 344     libdir="${execprefix}/lib"
 345     fi
 346     if test x"$bindir" = x""; then
 347     bindir="${execprefix}/bin"
 348     fi
 349     if test x"$tccdir" = x""; then
 350     tccdir="tcc"
 351     fi
 352     if test x"$docdir" = x""; then
 353     docdir="${sharedir}/doc/${tccdir}"
 354     fi
 355     if test x"$mandir" = x""; then
 356     mandir="${sharedir}/man"
 357     fi
 358     if test x"$infodir" = x""; then
 359     infodir="${sharedir}/info"
 360     fi
 361     tccdir="${libdir}/${tccdir}"
 362 fi # mingw32
 363
 364 if test x"$includedir" = x""; then
 365 includedir="${prefix}/include"
 366 fi
 367
 368 echo "Binary  directory   $bindir"
 369 echo "TinyCC directory    $tccdir"
 370 echo "Library directory   $libdir"
 371 echo "Include directory   $includedir"
 372 echo "Manual directory    $mandir"
 373 echo "Info directory      $infodir"
 374 echo "Doc directory       $docdir"
 375 echo "Target root prefix  $sysroot"
 376 echo "Source path      $source_path"
 377 echo "C compiler       $cc"
 378 echo "Target OS        $targetos"
 379 echo "CPU              $cpu"
 380 echo "Big Endian       $bigendian"
 381 echo "gprof enabled    $gprof"
 382 echo "cross compilers  $build_cross"
 383 echo "use libgcc       $use_libgcc"
 384
 385 echo "Creating config.mak and config.h"
 386
 387 echo "# Automatically generated by configure - do not modify" > config.mak
 388 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 389
 390 echo "prefix=$prefix" >> config.mak
 391 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
 392 echo "tccdir=\$(DESTDIR)$tccdir" >> config.mak
 393 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
 394 echo "ln_libdir=$libdir" >> config.mak
 395 echo "includedir=\$(DESTDIR)$includedir" >> config.mak
 396 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
 397 echo "infodir=\$(DESTDIR)$infodir" >> config.mak
 398 echo "docdir=\$(DESTDIR)$docdir" >> config.mak
 399 print_var1()
 400 {
 401   echo "#ifndef $1" >> $TMPH
 402   echo "# define $1 \"$2\"" >> $TMPH
 403   echo "#endif" >> $TMPH
 404 }
 405 print_var2()
 406 {
 407   if test -n "$2"; then print_var1 $1 "$2"; fi
 408 }
 409 print_var2 CONFIG_SYSROOT "$sysroot"
 410 print_var1 CONFIG_TCCDIR "$tccdir"
 411 print_var2 CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 412 print_var2 CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 413 print_var2 CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 414 print_var2 CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 415
 416 echo "CC=$cc" >> config.mak
 417 echo "GCC_MAJOR=$gcc_major" >> config.mak
 418 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 419 echo "HOST_CC=$host_cc" >> config.mak
 420 echo "AR=$ar" >> config.mak
 421 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 422 cat >> config.mak <<EOF
 423 CPPFLAGS = -I. -I\$(top_srcdir)
 424 CFLAGS=$CFLAGS
 425 LDFLAGS=$LDFLAGS
 426 LIBSUF=$LIBSUF
 427 EXESUF=$EXESUF
 428 EOF
 429
 430 if test "$cpu" = "x86" ; then
 431   echo "ARCH=i386" >> config.mak
 432   echo "#define HOST_I386 1" >> $TMPH
 433 elif test "$cpu" = "x86-64" ; then
 434   echo "ARCH=x86-64" >> config.mak
 435   echo "#define HOST_X86_64 1" >> $TMPH
 436 elif test "$cpu" = "armv4l" ; then
 437   echo "ARCH=arm" >> config.mak
 438   echo "#define HOST_ARM 1" >> $TMPH
 439   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 440 elif test "$cpu" = "powerpc" ; then
 441   echo "ARCH=ppc" >> config.mak
 442   echo "#define HOST_PPC 1" >> $TMPH
 443 elif test "$cpu" = "mips" ; then
 444   echo "ARCH=mips" >> config.mak
 445   echo "#define HOST_MIPS 1" >> $TMPH
 446 elif test "$cpu" = "s390" ; then
 447   echo "ARCH=s390" >> config.mak
 448   echo "#define HOST_S390 1" >> $TMPH
 449 elif test "$cpu" = "alpha" ; then
 450   echo "ARCH=alpha" >> config.mak
 451   echo "#define HOST_ALPHA 1" >> $TMPH
 452 else
 453   echo "Unsupported CPU"
 454   exit 1
 455 fi
 456 echo "TARGETOS=$targetos" >> config.mak
 457 if test "$noldl" = "yes" ; then
 458   echo "CONFIG_NOLDL=yes" >> config.mak
 459 fi
 460 if test "$mingw32" = "yes" ; then
 461   echo "CONFIG_WIN32=yes" >> config.mak
 462   echo "#define CONFIG_WIN32 1" >> $TMPH
 463 fi
 464 if test "$cygwin" = "yes" ; then
 465   echo "#ifndef _WIN32" >> $TMPH
 466   echo "#define _WIN32" >> $TMPH
 467   echo "#endif" >> $TMPH
 468   echo "AR=ar" >> config.mak
 469 fi
 470 if test "$bigendian" = "yes" ; then
 471   echo "WORDS_BIGENDIAN=yes" >> config.mak
 472   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 473 fi
 474 if test "$gprof" = "yes" ; then
 475   echo "TARGET_GPROF=yes" >> config.mak
 476   echo "#define HAVE_GPROF 1" >> $TMPH
 477 fi
 478 if test "$build_cross" = "yes" ; then
 479   echo "CONFIG_CROSS=yes" >> config.mak
 480 fi
 481 if test "$disable_static" = "yes" ; then
 482   echo "DISABLE_STATIC=yes" >> config.mak
 483 fi
 484 if test "$disable_rpath" = "yes" ; then
 485   echo "DISABLE_RPATH=yes" >> config.mak
 486 fi
 487 if test "$strip_binaries" = "yes" ; then
 488   echo "STRIP_BINARIES=yes" >> config.mak
 489 fi
 490 if test "$use_libgcc" = "yes" ; then
 491   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 492   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 493 fi
 494 if test "$have_selinux" = "yes" ; then
 495   echo "#define HAVE_SELINUX" >> $TMPH
 496   echo "HAVE_SELINUX=yes" >> config.mak
 497 fi
 498 version=`head $source_path/VERSION`
 499 echo "VERSION=$version" >>config.mak
 500 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 501 echo "@set VERSION $version" > config.texi
 502
 503 # build tree in object directory if source path is different from current one
 504 if test "$source_path_used" = "yes" ; then
 505     FILES="Makefile lib/Makefile tests/Makefile tests2/Makefile"
 506     for f in $FILES ; do
 507         dir=`fn_dirname "$f"`
 508         test -d "$dir" || mkdir -p "$dir"
 509         back=`echo "$source_path/$dir/" | sed 's,/\./,/,g;s,[^/]*/,../,g'`
 510         back=$back$f
 511         ln -sf $back $f
 512     done
 513 fi
 514 cat >>config.mak <<EOF
 515 SRC_PATH = $source_path
 516 top_builddir = \$(TOP)
 517 EOF
 518 case $source_path in
 519   /*) echo 'top_srcdir = $(SRC_PATH)';;
 520    *) echo 'top_srcdir = $(TOP)/$(SRC_PATH)';;
 521 esac >>config.mak
 522
 523 diff $TMPH config.h >/dev/null 2>&1
 524 if test $? -ne 0 ; then
 525     mv -f $TMPH config.h
 526 else
 527     echo "config.h is unchanged"
 528 fi
 529
 530 rm -f $TMPN*