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}-$$-${RANDOM}.c"
  15 TMPN="./conftest-$$"
  16
  17 TMPC=$TMPN.c
  18 TMPH=$TMPN.h
  19 TMPO=$TMPN.o
  20 TMPE=$TMPN
  21
  22 # default parameters
  23 build_cross="no"
  24 use_libgcc="no"
  25 prefix=""
  26 execprefix=""
  27 bindir=""
  28 libdir=""
  29 tccdir=""
  30 includedir=""
  31 mandir=""
  32 infodir=""
  33 sysroot=""
  34 cross_prefix=""
  35 cc="gcc"
  36 host_cc="gcc"
  37 ar="ar"
  38 strip="strip"
  39 cygwin="no"
  40 cpu=`uname -m`
  41
  42 tcc_sysincludepaths=""
  43 tcc_libpaths=""
  44 tcc_crtprefix=""
  45 tcc_elfinterp=""
  46
  47 case "$cpu" in
  48   i386|i486|i586|i686|i86pc|BePC|i686-AT386)
  49     cpu="x86"
  50   ;;
  51   x86_64)
  52     cpu="x86-64"
  53   ;;
  54   arm*)
  55     case "$cpu" in
  56       arm|armv4l)
  57         cpuver=4
  58       ;;
  59       armv5tel|armv5tejl)
  60         cpuver=5
  61       ;;
  62       armv6j|armv6l)
  63         cpuver=6
  64       ;;
  65       armv7a|armv7l)
  66         cpuver=7
  67       ;;
  68     esac
  69     cpu="armv4l"
  70   ;;
  71   alpha)
  72     cpu="alpha"
  73   ;;
  74   "Power Macintosh"|ppc|ppc64)
  75     cpu="powerpc"
  76   ;;
  77   mips)
  78     cpu="mips"
  79   ;;
  80   s390)
  81     cpu="s390"
  82   ;;
  83   *)
  84     cpu="unknown"
  85   ;;
  86 esac
  87 gprof="no"
  88 bigendian="no"
  89 mingw32="no"
  90 LIBSUF=".a"
  91 EXESUF=""
  92
  93 # OS specific
  94 targetos=`uname -s`
  95 case $targetos in
  96 MINGW32*)
  97 mingw32="yes"
  98 ;;
  99 DragonFly)
 100 noldl="yes"
 101 ;;
 102 OpenBSD)
 103 noldl="yes"
 104 ;;
 105 *) ;;
 106 esac
 107
 108 # find source path
 109 # XXX: we assume an absolute path is given when launching configure,
 110 # except in './configure' case.
 111 source_path=${0%configure}
 112 source_path=${source_path%/}
 113 source_path_used="yes"
 114 if test -z "$source_path" -o "$source_path" = "." ; then
 115     source_path=`pwd`
 116     source_path_used="no"
 117 fi
 118
 119 for opt do
 120   eval opt=$opt
 121   case "$opt" in
 122   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 123   ;;
 124   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 125   ;;
 126   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
 127   ;;
 128   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 129   ;;
 130   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 131   ;;
 132   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 133   ;;
 134   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 135   ;;
 136   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 137   ;;
 138   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 139   ;;
 140   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 141   ;;
 142   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 143   ;;
 144   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 145   ;;
 146   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 147   ;;
 148   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 149   ;;
 150   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 151   ;;
 152   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 153   ;;
 154   --extra-libs=*) extralibs=${opt#--extra-libs=}
 155   ;;
 156   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 157   ;;
 158   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 159   ;;
 160   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 161   ;;
 162   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 163   ;;
 164   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 165   ;;
 166   --enable-gprof) gprof="yes"
 167   ;;
 168   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 169   ;;
 170   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 171   ;;
 172   --enable-cross) build_cross="yes"
 173   ;;
 174   --disable-static) disable_static="yes"
 175   ;;
 176   --disable-rpath) disable_rpath="yes"
 177   ;;
 178   --strip-binaries) strip_binaries="yes"
 179   ;;
 180   --with-libgcc) use_libgcc="yes"
 181   ;;
 182   --with-selinux) have_selinux="yes"
 183   ;;
 184   --help|-h) show_help="yes"
 185   ;;
 186   *) echo "configure: WARNING: unrecognized option $opt"
 187   ;;
 188   esac
 189 done
 190
 191 # Checking for CFLAGS
 192 if test -z "$CFLAGS"; then
 193     CFLAGS="-Wall -g -O2"
 194 fi
 195
 196 cc="${cross_prefix}${cc}"
 197 ar="${cross_prefix}${ar}"
 198 strip="${cross_prefix}${strip}"
 199
 200 if test "$mingw32" = "yes" ; then
 201     LIBSUF=".lib"
 202     EXESUF=".exe"
 203 fi
 204
 205 if test -z "$cross_prefix" ; then
 206
 207 # ---
 208 # big/little endian test
 209 cat > $TMPC << EOF
 210 #include <inttypes.h>
 211 int main(int argc, char ** argv){
 212     volatile uint32_t i=0x01234567;
 213     return (*((uint8_t*)(&i))) == 0x67;
 214 }
 215 EOF
 216
 217 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 218     $TMPE && bigendian="yes"
 219 else
 220     echo big/little test failed
 221 fi
 222
 223 else
 224
 225 # if cross compiling, cannot launch a program, so make a static guess
 226 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 227     bigendian="yes"
 228 fi
 229
 230 fi
 231
 232 # check gcc version
 233 cat > $TMPC <<EOF
 234 int main(void) {
 235 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 236 return 0;
 237 #else
 238 #error gcc < 3.2
 239 #endif
 240 }
 241 EOF
 242
 243 gcc_major="2"
 244 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 245     gcc_major="3"
 246 fi
 247 cat > $TMPC <<EOF
 248 int main(void) {
 249 #if __GNUC__ >= 4
 250 return 0;
 251 #else
 252 #error gcc < 4
 253 #endif
 254 }
 255 EOF
 256
 257 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 258     gcc_major="4"
 259 fi
 260
 261 if test x"$show_help" = "xyes" ; then
 262 cat << EOF
 263
 264 Usage: configure [options]
 265 Options: [defaults in brackets after descriptions]
 266
 267 EOF
 268 echo "Standard options:"
 269 echo "  --help                   print this message"
 270 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 271 echo "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 272 echo "                           [same as prefix]"
 273 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 274 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 275 echo "  --tccdir=DIR             installation directory [EPREFIX/lib/tcc]"
 276 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 277 echo "  --sharedir=DIR           documentation root DIR [PREFIX]/share"
 278 echo "  --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]"
 279 echo "  --mandir=DIR             man documentation in DIR [SHAREDIR/man]"
 280 echo "  --infodir=DIR            info documentation in DIR [SHAREDIR/info]"
 281 echo ""
 282 echo "Advanced options (experts only):"
 283 echo "  --source-path=PATH       path of source code [$source_path]"
 284 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 285 echo "  --sysroot=PREFIX         prepend PREFIX to library/include paths []"
 286 echo "  --cc=CC                  use C compiler CC [$cc]"
 287 echo "  --disable-static         make libtcc.so instead of libtcc.a"
 288 echo "  --disable-rpath          disable use of -rpath with the above"
 289 echo "  --strip-binaries         strip symbol tables from resulting binaries"
 290 echo "  --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc.a"
 291 echo "  --enable-mingw32         build windows version on linux with mingw32"
 292 echo "  --enable-cygwin          build windows version on windows with cygwin"
 293 echo "                           [requires cygwin and mingw32-make]"
 294 echo "  --enable-cross           build cross compilers"
 295 echo "  --extra-cflags=          extra compiler flags"
 296 echo "  --extra-ldflags=         extra linker options"
 297 echo "  --with-selinux           use mmap instead of exec mem"
 298 echo "                           [requires write access to /tmp]"
 299 echo "  --sysincludepaths=...    specify system include paths, colon separated"
 300 echo "  --libpaths=...           specify system library paths, colon separated"
 301 echo "  --crtprefix=...          specify locations of crt?.o, colon separated"
 302 echo "  --elfinterp=...          specify elf interpreter"
 303 echo ""
 304 #echo "NOTE: The object files are build at the place where configure is launched"
 305 exit 1
 306 fi
 307
 308 if test "$mingw32" = "yes" ; then
 309     if test x"$tccdir" = x""; then
 310     tccdir="tcc"
 311     fi
 312     if test -z "$prefix" ; then
 313     prefix="C:/Program Files/${tccdir}"
 314     fi
 315     if test -z "$sharedir" ; then
 316     sharedir="${prefix}"
 317     fi
 318     execprefix="$prefix"
 319     bindir="${prefix}"
 320     tccdir="${prefix}"
 321     libdir="${prefix}/lib"
 322     docdir="${sharedir}/doc"
 323     mandir="${sharedir}/man"
 324     infodir="${sharedir}/info"
 325 else
 326     if test -z "$prefix" ; then
 327     prefix="/usr/local"
 328     fi
 329     if test -z "$sharedir" ; then
 330     sharedir="${prefix}/share"
 331     fi
 332     if test x"$execprefix" = x""; then
 333     execprefix="${prefix}"
 334     fi
 335     if test x"$libdir" = x""; then
 336     libdir="${execprefix}/lib"
 337     fi
 338     if test x"$bindir" = x""; then
 339     bindir="${execprefix}/bin"
 340     fi
 341     if test x"$tccdir" = x""; then
 342     tccdir="tcc"
 343     fi
 344     if test x"$docdir" = x""; then
 345     docdir="${sharedir}/doc/${tccdir}"
 346     fi
 347     if test x"$mandir" = x""; then
 348     mandir="${sharedir}/man"
 349     fi
 350     if test x"$infodir" = x""; then
 351     infodir="${sharedir}/info"
 352     fi
 353     tccdir="${libdir}/${tccdir}"
 354 fi # mingw32
 355
 356 if test x"$includedir" = x""; then
 357 includedir="${prefix}/include"
 358 fi
 359
 360 echo "Binary  directory   $bindir"
 361 echo "TinyCC directory    $tccdir"
 362 echo "Library directory   $libdir"
 363 echo "Include directory   $includedir"
 364 echo "Manual directory    $mandir"
 365 echo "Info directory      $infodir"
 366 echo "Doc directory       $docdir"
 367 echo "Target root prefix  $sysroot"
 368 echo "Source path      $source_path"
 369 echo "C compiler       $cc"
 370 echo "Target OS        $targetos"
 371 echo "CPU              $cpu"
 372 echo "Big Endian       $bigendian"
 373 echo "gprof enabled    $gprof"
 374 echo "cross compilers  $build_cross"
 375 echo "use libgcc       $use_libgcc"
 376
 377 echo "Creating config.mak and config.h"
 378
 379 echo "# Automatically generated by configure - do not modify" > config.mak
 380 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 381
 382 echo "prefix=$prefix" >> config.mak
 383 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
 384 echo "tccdir=\$(DESTDIR)$tccdir" >> config.mak
 385 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
 386 echo "ln_libdir=$libdir" >> config.mak
 387 echo "includedir=\$(DESTDIR)$includedir" >> config.mak
 388 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
 389 echo "infodir=\$(DESTDIR)$infodir" >> config.mak
 390 echo "docdir=\$(DESTDIR)$docdir" >> config.mak
 391 print_var1()
 392 {
 393   echo "#ifndef $1" >> $TMPH
 394   echo "# define $1 \"$2\"" >> $TMPH
 395   echo "#endif" >> $TMPH
 396 }
 397 print_var2()
 398 {
 399   if test -n "$2"; then print_var1 $1 "$2"; fi
 400 }
 401 print_var2 CONFIG_SYSROOT "$sysroot"
 402 print_var1 CONFIG_TCCDIR "$tccdir"
 403 print_var2 CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 404 print_var2 CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 405 print_var2 CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 406 print_var2 CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 407
 408 echo "CC=$cc" >> config.mak
 409 echo "GCC_MAJOR=$gcc_major" >> config.mak
 410 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 411 echo "HOST_CC=$host_cc" >> config.mak
 412 echo "AR=$ar" >> config.mak
 413 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 414 echo "CFLAGS=$CFLAGS" >> config.mak
 415 echo "LDFLAGS=$LDFLAGS" >> config.mak
 416 echo "LIBSUF=$LIBSUF" >> config.mak
 417 echo "EXESUF=$EXESUF" >> config.mak
 418
 419 if test "$cpu" = "x86" ; then
 420   echo "ARCH=i386" >> config.mak
 421   echo "#define HOST_I386 1" >> $TMPH
 422 elif test "$cpu" = "x86-64" ; then
 423   echo "ARCH=x86-64" >> config.mak
 424   echo "#define HOST_X86_64 1" >> $TMPH
 425 elif test "$cpu" = "armv4l" ; then
 426   echo "ARCH=arm" >> config.mak
 427   echo "#define HOST_ARM 1" >> $TMPH
 428   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 429 elif test "$cpu" = "powerpc" ; then
 430   echo "ARCH=ppc" >> config.mak
 431   echo "#define HOST_PPC 1" >> $TMPH
 432 elif test "$cpu" = "mips" ; then
 433   echo "ARCH=mips" >> config.mak
 434   echo "#define HOST_MIPS 1" >> $TMPH
 435 elif test "$cpu" = "s390" ; then
 436   echo "ARCH=s390" >> config.mak
 437   echo "#define HOST_S390 1" >> $TMPH
 438 elif test "$cpu" = "alpha" ; then
 439   echo "ARCH=alpha" >> config.mak
 440   echo "#define HOST_ALPHA 1" >> $TMPH
 441 else
 442   echo "Unsupported CPU"
 443   exit 1
 444 fi
 445 echo "TARGETOS=$targetos" >> config.mak
 446 if test "$noldl" = "yes" ; then
 447   echo "CONFIG_NOLDL=yes" >> config.mak
 448 fi
 449 if test "$mingw32" = "yes" ; then
 450   echo "CONFIG_WIN32=yes" >> config.mak
 451   echo "#define CONFIG_WIN32 1" >> $TMPH
 452 fi
 453 if test "$cygwin" = "yes" ; then
 454   echo "#ifndef _WIN32" >> $TMPH
 455   echo "#define _WIN32" >> $TMPH
 456   echo "#endif" >> $TMPH
 457   echo "AR=ar" >> config.mak
 458 fi
 459 if test "$bigendian" = "yes" ; then
 460   echo "WORDS_BIGENDIAN=yes" >> config.mak
 461   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 462 fi
 463 if test "$gprof" = "yes" ; then
 464   echo "TARGET_GPROF=yes" >> config.mak
 465   echo "#define HAVE_GPROF 1" >> $TMPH
 466 fi
 467 if test "$build_cross" = "yes" ; then
 468   echo "CONFIG_CROSS=yes" >> config.mak
 469 fi
 470 if test "$disable_static" = "yes" ; then
 471   echo "DISABLE_STATIC=yes" >> config.mak
 472 fi
 473 if test "$disable_rpath" = "yes" ; then
 474   echo "DISABLE_RPATH=yes" >> config.mak
 475 fi
 476 if test "$strip_binaries" = "yes" ; then
 477   echo "STRIP_BINARIES=yes" >> config.mak
 478 fi
 479 if test "$use_libgcc" = "yes" ; then
 480   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 481   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 482 fi
 483 if test "$have_selinux" = "yes" ; then
 484   echo "#define HAVE_SELINUX" >> $TMPH
 485   echo "HAVE_SELINUX=yes" >> config.mak
 486 fi
 487 version=`head $source_path/VERSION`
 488 echo "VERSION=$version" >>config.mak
 489 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 490 echo "@set VERSION $version" > config.texi
 491
 492 # build tree in object directory if source path is different from current one
 493 if test "$source_path_used" = "yes" ; then
 494     DIRS="tests"
 495     FILES="Makefile tests/Makefile"
 496     for dir in $DIRS ; do
 497         mkdir -p $dir
 498     done
 499     for f in $FILES ; do
 500         ln -sf $source_path/$f $f
 501     done
 502 fi
 503 echo "SRC_PATH=$source_path" >> config.mak
 504
 505 diff $TMPH config.h >/dev/null 2>&1
 506 if test $? -ne 0 ; then
 507     mv -f $TMPH config.h
 508 else
 509     echo "config.h is unchanged"
 510 fi
 511
 512 rm -f $TMPN*