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 $targetos in
 104   MINGW32*)  mingw32=yes;;
 105   DragonFly) noldl=yes;;
 106   OpenBSD)   noldl=yes;;
 107   *) ;;
 108 esac
 109
 110 # find source path
 111 # XXX: we assume an absolute path is given when launching configure,
 112 # except in './configure' case.
 113 source_path=${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 $TMPC 2> /dev/null ; then
 260     gcc_major="4"
 261 fi
 262
 263 if test x"$show_help" = "xyes" ; then
 264 cat << EOF
 265 Usage: configure [options]
 266 Options: [defaults in brackets after descriptions]
 267
 268 Standard options:
 269   --help                   print this message
 270   --prefix=PREFIX          install in PREFIX [$prefix]
 271   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 272                            [same as prefix]
 273   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 274   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 275   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 276   --includedir=DIR         C header files in DIR [PREFIX/include]
 277   --sharedir=DIR           documentation root DIR [PREFIX]/share
 278   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 279   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 280   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 281
 282 Advanced options (experts only):
 283   --source-path=PATH       path of source code [$source_path]
 284   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 285   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 286   --cc=CC                  use C compiler CC [$cc]
 287   --disable-static         make libtcc.so instead of libtcc.a
 288   --disable-rpath          disable use of -rpath with the above
 289   --strip-binaries         strip symbol tables from resulting binaries
 290   --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc.a
 291   --enable-mingw32         build windows version on linux with mingw32
 292   --enable-cygwin          build windows version on windows with cygwin
 293                            [requires cygwin and mingw32-make]
 294   --enable-cross           build cross compilers
 295   --extra-cflags=          extra compiler flags
 296   --extra-ldflags=         extra linker options
 297   --with-selinux           use mmap instead of exec mem
 298                            [requires write access to /tmp]
 299   --sysincludepaths=...    specify system include paths, colon separated
 300   --libpaths=...           specify system library paths, colon separated
 301   --crtprefix=...          specify locations of crt?.o, colon separated
 302   --elfinterp=...          specify elf interpreter
 303 EOF
 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 cat <<EOF
 361 Binary  directory   $bindir
 362 TinyCC directory    $tccdir
 363 Library directory   $libdir
 364 Include directory   $includedir
 365 Manual directory    $mandir
 366 Info directory      $infodir
 367 Doc directory       $docdir
 368 Target root prefix  $sysroot
 369 Source path      $source_path
 370 C compiler       $cc
 371 Target OS        $targetos
 372 CPU              $cpu
 373 Big Endian       $bigendian
 374 gprof enabled    $gprof
 375 cross compilers  $build_cross
 376 use libgcc       $use_libgcc
 377 EOF
 378
 379 echo "Creating config.mak and config.h"
 380
 381 cat >config.mak <<EOF
 382 # Automatically generated by configure - do not modify
 383 prefix=$prefix
 384 bindir=\$(DESTDIR)$bindir
 385 tccdir=\$(DESTDIR)$tccdir
 386 libdir=\$(DESTDIR)$libdir
 387 ln_libdir=$libdir
 388 includedir=\$(DESTDIR)$includedir
 389 mandir=\$(DESTDIR)$mandir
 390 infodir=\$(DESTDIR)$infodir
 391 docdir=\$(DESTDIR)$docdir
 392 EOF
 393
 394 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 395 print_var1()
 396 {
 397   echo "#ifndef $1" >> $TMPH
 398   echo "# define $1 \"$2\"" >> $TMPH
 399   echo "#endif" >> $TMPH
 400 }
 401 print_var2()
 402 {
 403   if test -n "$2"; then print_var1 $1 "$2"; fi
 404 }
 405 print_var2 CONFIG_SYSROOT "$sysroot"
 406 print_var1 CONFIG_TCCDIR "$tccdir"
 407 print_var2 CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 408 print_var2 CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 409 print_var2 CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 410 print_var2 CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 411
 412 echo "CC=$cc" >> config.mak
 413 echo "GCC_MAJOR=$gcc_major" >> config.mak
 414 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 415 echo "HOST_CC=$host_cc" >> config.mak
 416 echo "AR=$ar" >> config.mak
 417 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 418 cat >> config.mak <<EOF
 419 CPPFLAGS = -I. -I\$(top_srcdir)
 420 CFLAGS=$CFLAGS
 421 LDFLAGS=$LDFLAGS
 422 LIBSUF=$LIBSUF
 423 EXESUF=$EXESUF
 424 EOF
 425
 426 if test "$cpu" = "x86" ; then
 427   echo "ARCH=i386" >> config.mak
 428   echo "#define HOST_I386 1" >> $TMPH
 429 elif test "$cpu" = "x86-64" ; then
 430   echo "ARCH=x86-64" >> config.mak
 431   echo "#define HOST_X86_64 1" >> $TMPH
 432 elif test "$cpu" = "armv4l" ; then
 433   echo "ARCH=arm" >> config.mak
 434   echo "#define HOST_ARM 1" >> $TMPH
 435   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 436 elif test "$cpu" = "powerpc" ; then
 437   echo "ARCH=ppc" >> config.mak
 438   echo "#define HOST_PPC 1" >> $TMPH
 439 elif test "$cpu" = "mips" ; then
 440   echo "ARCH=mips" >> config.mak
 441   echo "#define HOST_MIPS 1" >> $TMPH
 442 elif test "$cpu" = "s390" ; then
 443   echo "ARCH=s390" >> config.mak
 444   echo "#define HOST_S390 1" >> $TMPH
 445 elif test "$cpu" = "alpha" ; then
 446   echo "ARCH=alpha" >> config.mak
 447   echo "#define HOST_ALPHA 1" >> $TMPH
 448 else
 449   echo "Unsupported CPU"
 450   exit 1
 451 fi
 452 echo "TARGETOS=$targetos" >> config.mak
 453 if test "$noldl" = "yes" ; then
 454   echo "CONFIG_NOLDL=yes" >> config.mak
 455 fi
 456 if test "$mingw32" = "yes" ; then
 457   echo "CONFIG_WIN32=yes" >> config.mak
 458   echo "#define CONFIG_WIN32 1" >> $TMPH
 459 fi
 460 if test "$cygwin" = "yes" ; then
 461   echo "#ifndef _WIN32" >> $TMPH
 462   echo "#define _WIN32" >> $TMPH
 463   echo "#endif" >> $TMPH
 464   echo "AR=ar" >> config.mak
 465 fi
 466 if test "$bigendian" = "yes" ; then
 467   echo "WORDS_BIGENDIAN=yes" >> config.mak
 468   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 469 fi
 470 if test "$gprof" = "yes" ; then
 471   echo "TARGET_GPROF=yes" >> config.mak
 472   echo "#define HAVE_GPROF 1" >> $TMPH
 473 fi
 474 if test "$build_cross" = "yes" ; then
 475   echo "CONFIG_CROSS=yes" >> config.mak
 476 fi
 477 if test "$disable_static" = "yes" ; then
 478   echo "DISABLE_STATIC=yes" >> config.mak
 479 fi
 480 if test "$disable_rpath" = "yes" ; then
 481   echo "DISABLE_RPATH=yes" >> config.mak
 482 fi
 483 if test "$strip_binaries" = "yes" ; then
 484   echo "STRIP_BINARIES=yes" >> config.mak
 485 fi
 486 if test "$use_libgcc" = "yes" ; then
 487   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 488   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 489 fi
 490 if test "$have_selinux" = "yes" ; then
 491   echo "#define HAVE_SELINUX" >> $TMPH
 492   echo "HAVE_SELINUX=yes" >> config.mak
 493 fi
 494 version=`head $source_path/VERSION`
 495 echo "VERSION=$version" >>config.mak
 496 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 497 echo "@set VERSION $version" > config.texi
 498
 499 # build tree in object directory if source path is different from current one
 500 if test "$source_path_used" = "yes" ; then
 501     FILES="Makefile lib/Makefile tests/Makefile tests2/Makefile"
 502     for f in $FILES ; do
 503         dir=`fn_dirname "$f"`
 504         test -d "$dir" || mkdir -p "$dir"
 505         # Build a symlink $f that points to $dest, its $source_path
 506         # counterpart.
 507         case $source_path in
 508           /*) dest=$source_path/$f;;
 509            *) dest=`echo "$source_path/$dir/" | sed 's,/\./,/,g;s,[^/]*/,../,g'`
 510               dest=$dest$f;;
 511         esac
 512         ln -sf $dest $f
 513     done
 514 fi
 515 cat >>config.mak <<EOF
 516 SRC_PATH = $source_path
 517 top_builddir = \$(TOP)
 518 EOF
 519 case $source_path in
 520   /*) echo 'top_srcdir = $(SRC_PATH)';;
 521    *) echo 'top_srcdir = $(TOP)/$(SRC_PATH)';;
 522 esac >>config.mak
 523
 524 diff $TMPH config.h >/dev/null 2>&1
 525 if test $? -ne 0 ; then
 526     mv -f $TMPH config.h
 527 else
 528     echo "config.h is unchanged"
 529 fi
 530
 531 rm -f $TMPN*