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}-$$-${RANDOM}.c"
  15
  16 TMPN="./conftest-$$"
  17 TMPH=$TMPN.h
  18
  19 # default parameters
  20 build_cross="no"
  21 use_libgcc="no"
  22 prefix=""
  23 execprefix=""
  24 bindir=""
  25 libdir=""
  26 tccdir=""
  27 includedir=""
  28 mandir=""
  29 infodir=""
  30 sysroot=""
  31 cross_prefix=""
  32 cc="gcc"
  33 ar="ar"
  34 strip="strip"
  35 cygwin="no"
  36 gprof="no"
  37 bigendian="no"
  38 mingw32="no"
  39 LIBSUF=".a"
  40 EXESUF=""
  41 tcc_sysincludepaths=""
  42 tcc_libpaths=""
  43 tcc_crtprefix=""
  44 tcc_elfinterp=""
  45 triplet=
  46 tcc_lddir=
  47 confvars=
  48 cpu=
  49
  50 # OS specific
  51 targetos=`uname`
  52 case $targetos in
  53   MINGW*)    mingw32=yes;;
  54   MSYS*)     mingw32=yes;;
  55   DragonFly) noldl=yes;;
  56   OpenBSD)   noldl=yes;;
  57   FreeBSD)   noldl=yes;;
  58   NetBSD)    noldl=yes;;
  59   *) ;;
  60 esac
  61
  62 # find source path
  63 # XXX: we assume an absolute path is given when launching configure,
  64 # except in './configure' case.
  65 source_path=${0%configure}
  66 source_path=${source_path%/}
  67 source_path_used="yes"
  68 if test -z "$source_path" -o "$source_path" = "." ; then
  69     source_path=`pwd`
  70     source_path_used="no"
  71 fi
  72
  73 for opt do
  74   eval opt=\"$opt\"
  75   case "$opt" in
  76   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  77   ;;
  78   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
  79   ;;
  80   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
  81   ;;
  82   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
  83   ;;
  84   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
  85   ;;
  86   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
  87   ;;
  88   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
  89   ;;
  90   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
  91   ;;
  92   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
  93   ;;
  94   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
  95   ;;
  96   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
  97   ;;
  98   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
  99   ;;
 100   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 101   ;;
 102   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 103   ;;
 104   --ar=*) ar=`echo $opt | cut -d '=' -f 2`
 105   ;;
 106   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 107   ;;
 108   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 109   ;;
 110   --extra-libs=*) extralibs="${opt#--extra-libs=}"
 111   ;;
 112   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 113   ;;
 114   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 115   ;;
 116   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 117   ;;
 118   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 119   ;;
 120   --triplet=*) triplet=`echo $opt | cut -d '=' -f 2`
 121   ;;
 122   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 123   ;;
 124   --enable-gprof) gprof="yes"
 125   ;;
 126   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 127   ;;
 128   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 129   ;;
 130   --enable-cross) build_cross="yes"
 131   ;;
 132   --disable-static) disable_static="yes"
 133   ;;
 134   --disable-rpath) disable_rpath="yes"
 135   ;;
 136   --strip-binaries) strip_binaries="yes"
 137   ;;
 138   --with-libgcc) use_libgcc="yes"
 139   ;;
 140   --with-selinux) have_selinux="yes"
 141   ;;
 142   --help|-h) show_help="yes"
 143   ;;
 144   *) echo "configure: WARNING: unrecognized option $opt"
 145   ;;
 146   esac
 147 done
 148
 149 if test -z "$cpu" ; then
 150     if test -n "$ARCH" ; then
 151         cpu="$ARCH"
 152     else
 153         cpu=`uname -m`
 154     fi
 155 fi
 156
 157 case "$cpu" in
 158   x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
 159     cpu="x86"
 160   ;;
 161   x86_64|amd64)
 162     cpu="x86-64"
 163   ;;
 164   arm*)
 165     case "$cpu" in
 166       arm|armv4l)
 167         cpuver=4
 168       ;;
 169       armv5tel|armv5tejl)
 170         cpuver=5
 171       ;;
 172       armv6j|armv6l)
 173         cpuver=6
 174       ;;
 175       armv7a|armv7l)
 176         cpuver=7
 177       ;;
 178     esac
 179     cpu="armv4l"
 180   ;;
 181   aarch64)
 182     cpu="aarch64"
 183   ;;
 184   alpha)
 185     cpu="alpha"
 186   ;;
 187   "Power Macintosh"|ppc|ppc64)
 188     cpu="powerpc"
 189   ;;
 190   mips)
 191     cpu="mips"
 192   ;;
 193   s390)
 194     cpu="s390"
 195   ;;
 196   *)
 197   cpu="unknown"
 198   ;;
 199 esac
 200
 201 # Checking for CFLAGS
 202 if test -z "$CFLAGS"; then
 203     CFLAGS="-Wall -g -O2"
 204 fi
 205
 206 if test "$mingw32" = "yes" ; then
 207     if test x"$tccdir" = x""; then
 208       tccdir="tcc"
 209     fi
 210     if test -z "$prefix" ; then
 211       prefix="C:/Program Files/${tccdir}"
 212     fi
 213     if test -z "$sharedir" ; then
 214       sharedir="${prefix}"
 215     fi
 216     execprefix="$prefix"
 217     bindir="${prefix}"
 218     tccdir="${prefix}"
 219     libdir="${prefix}/lib"
 220     docdir="${sharedir}/doc"
 221     mandir="${sharedir}/man"
 222     infodir="${sharedir}/info"
 223     LIBSUF=".lib"
 224     EXESUF=".exe"
 225 else
 226     if test -z "$prefix" ; then
 227       prefix="/usr/local"
 228     fi
 229     if test -z "$sharedir" ; then
 230       sharedir="${prefix}/share"
 231     fi
 232     if test x"$execprefix" = x""; then
 233       execprefix="${prefix}"
 234     fi
 235     if test x"$libdir" = x""; then
 236       libdir="${execprefix}/lib"
 237     fi
 238     if test x"$bindir" = x""; then
 239       bindir="${execprefix}/bin"
 240     fi
 241     if test x"$docdir" = x""; then
 242       docdir="${sharedir}/doc"
 243     fi
 244     if test x"$mandir" = x""; then
 245       mandir="${sharedir}/man"
 246     fi
 247     if test x"$infodir" = x""; then
 248       infodir="${sharedir}/info"
 249     fi
 250     if test x"$tccdir" = x""; then
 251       tccdir="${libdir}/tcc"
 252     fi
 253 fi # mingw32
 254
 255 if test x"$includedir" = x""; then
 256   includedir="${prefix}/include"
 257 fi
 258
 259 if test x"$show_help" = "xyes" ; then
 260 cat << EOF
 261 Usage: configure [options]
 262 Options: [defaults in brackets after descriptions]
 263
 264 Standard options:
 265   --help                   print this message
 266   --prefix=PREFIX          install in PREFIX [$prefix]
 267   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 268                            [same as prefix]
 269   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 270   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 271   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 272   --includedir=DIR         C header files in DIR [PREFIX/include]
 273   --sharedir=DIR           documentation root DIR [PREFIX/share]
 274   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 275   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 276   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 277
 278 Advanced options (experts only):
 279   --source-path=PATH       path of source code [$source_path]
 280   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 281   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 282   --cc=CC                  use C compiler CC [$cc]
 283   --ar=AR                  create archives using AR [$ar]
 284   --extra-cflags=          specify compiler flags [$CFLAGS]
 285   --extra-ldflags=         specify linker options []
 286   --cpu=CPU                CPU [$cpu]
 287   --strip-binaries         strip symbol tables from resulting binaries
 288   --disable-static         make libtcc.so instead of libtcc.a
 289   --disable-rpath          disable use of -rpath with the above
 290   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a in dynamic link
 291   --enable-mingw32         build windows version on linux with mingw32
 292   --enable-cygwin          build windows version on windows with cygwin
 293   --enable-cross           build cross compilers
 294   --with-selinux           use mmap for exec mem [needs writable /tmp]
 295   --sysincludepaths=...    specify system include paths, colon separated
 296   --libpaths=...           specify system library paths, colon separated
 297   --crtprefix=...          specify locations of crt?.o, colon separated
 298   --elfinterp=...          specify elf interpreter
 299   --triplet=...            specify system library/include directory triplet
 300 EOF
 301 #echo "NOTE: The object files are build at the place where configure is launched"
 302 exit 1
 303 fi
 304
 305 cc="${cross_prefix}${cc}"
 306 ar="${cross_prefix}${ar}"
 307 strip="${cross_prefix}${strip}"
 308
 309 CONFTEST=./conftest$EXESUF
 310
 311 if test -z "$cross_prefix" ; then
 312   if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 313     echo "configure: error: '$cc' failed to compile conftest.c."
 314   else
 315     bigendian="$($CONFTEST bigendian)"
 316     gcc_major="$($CONFTEST version)"
 317     gcc_minor="$($CONFTEST minor)"
 318     if test "$mingw32" = "no" ; then
 319
 320       if test -z "$triplet"; then
 321         tt="$($CONFTEST triplet)"
 322         if test -n "$tt" -a -f "/usr/lib/$tt/crti.o" ; then
 323           triplet="$tt"
 324         fi
 325       fi
 326
 327       if test -z "$triplet"; then
 328         if test $cpu = "x86-64" -o $cpu = "aarch64" ; then
 329           if test -f "/usr/lib64/crti.o" ; then
 330             tcc_lddir="lib64"
 331           fi
 332         fi
 333       fi
 334
 335       if test "$cpu" = "armv4l" ; then
 336         if test "${triplet%eabihf}" != "$triplet" ; then
 337            confvars="$confvars arm_eabihf"
 338         elif test "${triplet%eabi}" != "$triplet" ; then
 339            confvars="$confvars arm_eabi"
 340         fi
 341         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 342            confvars="$confvars arm_vfp"
 343         fi
 344       fi
 345
 346       if test -f "/lib/ld-uClibc.so.0" ; then
 347         confvars="$confvars uClibc"
 348       fi
 349
 350     fi
 351   fi
 352 else
 353   # if cross compiling, cannot launch a program, so make a static guess
 354   case $cpu in
 355     powerpc|mips|s390)  bigendian=yes;;
 356   esac
 357 fi
 358
 359 # a final configuration tuning
 360 $cc -v --help > cc_help.txt 2>&1
 361 W_OPTIONS="declaration-after-statement"
 362 for i in $W_OPTIONS; do
 363     O_PRESENT="$(grep -- -W$i cc_help.txt)"
 364     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -W$i"; fi
 365 done
 366 W_OPTIONS="deprecated-declarations strict-aliasing pointer-sign sign-compare unused-result uninitialized"
 367 for i in $W_OPTIONS; do
 368     O_PRESENT="$(grep -- -W$i cc_help.txt)"
 369     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -Wno-$i"; fi
 370 done
 371 F_OPTIONS="strict-aliasing"
 372 for i in $F_OPTIONS; do
 373     O_PRESENT="$(grep -- -f$i cc_help.txt)"
 374     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -fno-$i"; fi
 375 done
 376 rm -f cc_help.txt
 377
 378 fcho() { if test -n "$2"; then echo "$1$2"; else echo "$1-"; fi }
 379
 380 echo "Binary  directory   $bindir"
 381 echo "TinyCC directory    $tccdir"
 382 echo "Library directory   $libdir"
 383 echo "Include directory   $includedir"
 384 echo "Manual directory    $mandir"
 385 echo "Info directory      $infodir"
 386 echo "Doc directory       $docdir"
 387 fcho "Target root prefix  " "$sysroot"
 388 echo "Source path         $source_path"
 389 echo "C compiler          $cc"
 390 echo "Target OS           $targetos"
 391 echo "CPU                 $cpu"
 392 echo "Big Endian          $bigendian"
 393 echo "Profiling           $gprof"
 394 echo "Cross compilers     $build_cross"
 395 echo "Use libgcc          $use_libgcc"
 396 fcho "Triplet             " "$triplet"
 397
 398 echo "Creating config.mak and config.h"
 399
 400 cat >config.mak <<EOF
 401 # Automatically generated by configure - do not modify
 402 prefix=$prefix
 403 bindir=\$(DESTDIR)$bindir
 404 tccdir=\$(DESTDIR)$tccdir
 405 libdir=\$(DESTDIR)$libdir
 406 includedir=\$(DESTDIR)$includedir
 407 mandir=\$(DESTDIR)$mandir
 408 infodir=\$(DESTDIR)$infodir
 409 docdir=\$(DESTDIR)$docdir
 410 CC=$cc
 411 GCC_MAJOR=$gcc_major
 412 GCC_MINOR=$gcc_minor
 413 AR=$ar
 414 STRIP=$strip -s -R .comment -R .note
 415 CFLAGS=$CFLAGS
 416 LDFLAGS=$LDFLAGS
 417 LIBSUF=$LIBSUF
 418 EXESUF=$EXESUF
 419 EOF
 420
 421 print_inc() {
 422   if test -n "$2"; then
 423     echo "#ifndef $1" >> $TMPH
 424     echo "# define $1 \"$2\"" >> $TMPH
 425     echo "#endif" >> $TMPH
 426   fi
 427 }
 428 print_mak() {
 429   if test -n "$2"; then
 430     echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
 431   fi
 432 }
 433
 434 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 435
 436 print_inc CONFIG_SYSROOT "$sysroot"
 437 print_inc CONFIG_TCCDIR "$tccdir"
 438 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 439 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 440 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 441 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 442 print_mak CONFIG_LDDIR "$tcc_lddir"
 443 print_mak CONFIG_TRIPLET "$triplet"
 444
 445 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 446 echo "#define GCC_MINOR $gcc_minor" >> $TMPH
 447
 448 if test "$cpu" = "x86" ; then
 449   echo "ARCH=i386" >> config.mak
 450 elif test "$cpu" = "x86-64" ; then
 451   echo "ARCH=x86-64" >> config.mak
 452 elif test "$cpu" = "armv4l" ; then
 453   echo "ARCH=arm" >> config.mak
 454   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 455 elif test "$cpu" = "aarch64" ; then
 456   echo "ARCH=arm64" >> config.mak
 457 elif test "$cpu" = "powerpc" ; then
 458   echo "ARCH=ppc" >> config.mak
 459 elif test "$cpu" = "mips" ; then
 460   echo "ARCH=mips" >> config.mak
 461 elif test "$cpu" = "s390" ; then
 462   echo "ARCH=s390" >> config.mak
 463 elif test "$cpu" = "alpha" ; then
 464   echo "ARCH=alpha" >> config.mak
 465 else
 466   echo "Unsupported CPU"
 467   exit 1
 468 fi
 469
 470 echo "TARGETOS=$targetos" >> config.mak
 471
 472 for v in $confvars ; do
 473   echo "CONFIG_$v=yes" >> config.mak
 474 done
 475 if test "$noldl" = "yes" ; then
 476   echo "CONFIG_NOLDL=yes" >> config.mak
 477 fi
 478 if test "$mingw32" = "yes" ; then
 479   echo "CONFIG_WIN32=yes" >> config.mak
 480 fi
 481 if test "$cygwin" = "yes" ; then
 482   echo "#ifndef _WIN32" >> $TMPH
 483   echo "# define _WIN32" >> $TMPH
 484   echo "#endif" >> $TMPH
 485   echo "AR=ar" >> config.mak
 486 fi
 487 if test "$bigendian" = "yes" ; then
 488   echo "WORDS_BIGENDIAN=yes" >> config.mak
 489   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 490 fi
 491 if test "$gprof" = "yes" ; then
 492   echo "TARGET_GPROF=yes" >> config.mak
 493   echo "#define HAVE_GPROF 1" >> $TMPH
 494 fi
 495 if test "$build_cross" = "yes" ; then
 496   echo "CONFIG_CROSS=yes" >> config.mak
 497 fi
 498 if test "$disable_static" = "yes" ; then
 499   echo "DISABLE_STATIC=yes" >> config.mak
 500 fi
 501 if test "$disable_rpath" = "yes" ; then
 502   echo "DISABLE_RPATH=yes" >> config.mak
 503 fi
 504 if test "$strip_binaries" = "yes" ; then
 505   echo "STRIP_BINARIES=yes" >> config.mak
 506 fi
 507 if test "$use_libgcc" = "yes" ; then
 508   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 509   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 510 fi
 511 if test "$have_selinux" = "yes" ; then
 512   echo "#define HAVE_SELINUX" >> $TMPH
 513   echo "HAVE_SELINUX=yes" >> config.mak
 514 fi
 515
 516 version=`head $source_path/VERSION`
 517 echo "VERSION = $version" >> config.mak
 518 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 519 echo "@set VERSION $version" > config.texi
 520
 521 if test "$source_path_used" = "yes" ; then
 522     case $source_path in
 523        /*) echo "TOPSRC=$source_path";;
 524         *) echo "TOPSRC=\$(TOP)/$source_path";;
 525      esac >>config.mak
 526 else
 527      echo 'TOPSRC=$(TOP)' >>config.mak
 528 fi
 529
 530 diff $TMPH config.h >/dev/null 2>&1
 531 if test $? -ne 0 ; then
 532     mv -f $TMPH config.h
 533 else
 534     echo "config.h is unchanged"
 535 fi
 536
 537 rm -f $TMPN* $CONFTEST
 538
 539 # ---------------------------------------------------------------------------
 540 # build tree in object directory if source path is different from current one
 541
 542 fn_makelink()
 543 {
 544     tgt=$1/$2
 545     case $2 in
 546     */*) dn=${2%/*}
 547          test -d $dn || mkdir -p $dn
 548          case $1 in
 549          /*) ;;
 550           *) while test $dn ; do
 551                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 552              done
 553              ;;
 554          esac
 555          ;;
 556     esac
 557
 558     ln -sfn $tgt $2 || ( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
 559 }
 560
 561 if test "$source_path_used" = "yes" ; then
 562   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
 563   for f in $FILES ; do
 564     fn_makelink $source_path $f
 565   done
 566 fi
 567
 568 # ---------------------------------------------------------------------------