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 disable_static=""
  23 prefix=""
  24 execprefix=""
  25 bindir=""
  26 libdir=""
  27 tccdir=""
  28 includedir=""
  29 mandir=""
  30 infodir=""
  31 sysroot=""
  32 cross_prefix=""
  33 cc="gcc"
  34 ar="ar"
  35 strip="strip"
  36 cygwin="no"
  37 gprof="no"
  38 bigendian="no"
  39 mingw32="no"
  40 LIBSUF=".a"
  41 EXESUF=""
  42 DLLSUF=".so"
  43 tcc_sysincludepaths=""
  44 tcc_libpaths=""
  45 tcc_crtprefix=""
  46 tcc_elfinterp=""
  47 triplet=
  48 tcc_lddir=
  49 confvars=
  50 cpu=
  51
  52 # OS specific
  53 targetos=`uname`
  54 case $targetos in
  55   MINGW*)    mingw32=yes;;
  56   MSYS*)     mingw32=yes;;
  57   CYGWIN*)   mingw32=yes; cygwin=yes; cross_prefix="mingw32-";;
  58   DragonFly) noldl=yes;;
  59   OpenBSD)   noldl=yes;;
  60   FreeBSD)   noldl=yes;;
  61   NetBSD)    noldl=yes;;
  62   *) ;;
  63 esac
  64
  65 # find source path
  66 # XXX: we assume an absolute path is given when launching configure,
  67 # except in './configure' case.
  68 source_path=${0%configure}
  69 source_path=${source_path%/}
  70 source_path_used="yes"
  71 if test -z "$source_path" -o "$source_path" = "." ; then
  72     source_path=`pwd`
  73     source_path_used="no"
  74     # mingw compilers might not understand cygwin paths
  75     if test $cygwin = "yes"; then source_path="."; fi
  76 fi
  77
  78 for opt do
  79   eval opt=\"$opt\"
  80   case "$opt" in
  81   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  82   ;;
  83   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
  84   ;;
  85   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
  86   ;;
  87   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
  88   ;;
  89   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
  90   ;;
  91   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
  92   ;;
  93   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
  94   ;;
  95   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
  96   ;;
  97   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
  98   ;;
  99   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 100   ;;
 101   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 102   ;;
 103   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 104   ;;
 105   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 106   ;;
 107   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 108   ;;
 109   --ar=*) ar=`echo $opt | cut -d '=' -f 2`
 110   ;;
 111   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 112   ;;
 113   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 114   ;;
 115   --extra-libs=*) extralibs="${opt#--extra-libs=}"
 116   ;;
 117   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 118   ;;
 119   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 120   ;;
 121   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 122   ;;
 123   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 124   ;;
 125   --triplet=*) triplet=`echo $opt | cut -d '=' -f 2`
 126   ;;
 127   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 128   ;;
 129   --enable-gprof) gprof="yes"
 130   ;;
 131   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 132   ;;
 133   --enable-cross) build_cross="yes"
 134   ;;
 135   --disable-static) disable_static="yes"
 136   ;;
 137   --enable-static) disable_static="no"
 138   ;;
 139   --disable-rpath) disable_rpath="yes"
 140   ;;
 141   --strip-binaries) strip_binaries="yes"
 142   ;;
 143   --with-libgcc) use_libgcc="yes"
 144   ;;
 145   --with-selinux) have_selinux="yes"
 146   ;;
 147   --help|-h) show_help="yes"
 148   ;;
 149   *) echo "configure: WARNING: unrecognized option $opt"
 150   ;;
 151   esac
 152 done
 153
 154 if test -z "$cpu" ; then
 155     if test -n "$ARCH" ; then
 156         cpu="$ARCH"
 157     else
 158         cpu=`uname -m`
 159     fi
 160 fi
 161
 162 case "$cpu" in
 163   x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
 164     cpu="x86"
 165   ;;
 166   x86_64|amd64)
 167     cpu="x86-64"
 168   ;;
 169   arm*)
 170     case "$cpu" in
 171       arm|armv4l)
 172         cpuver=4
 173       ;;
 174       armv5tel|armv5tejl)
 175         cpuver=5
 176       ;;
 177       armv6j|armv6l)
 178         cpuver=6
 179       ;;
 180       armv7a|armv7l)
 181         cpuver=7
 182       ;;
 183     esac
 184     cpu="armv4l"
 185   ;;
 186   aarch64)
 187     cpu="aarch64"
 188   ;;
 189   alpha)
 190     cpu="alpha"
 191   ;;
 192   "Power Macintosh"|ppc|ppc64)
 193     cpu="powerpc"
 194   ;;
 195   mips)
 196     cpu="mips"
 197   ;;
 198   s390)
 199     cpu="s390"
 200   ;;
 201   *)
 202   cpu="unknown"
 203   ;;
 204 esac
 205
 206 # Checking for CFLAGS
 207 if test -z "$CFLAGS"; then
 208     CFLAGS="-Wall -g -O2"
 209 fi
 210
 211 if test "$mingw32" = "yes" ; then
 212     if test x"$tccdir" = x""; then
 213       tccdir="tcc"
 214     fi
 215     if test -z "$prefix" ; then
 216       prefix="C:/Program Files/${tccdir}"
 217     fi
 218     if test -z "$sharedir" ; then
 219       sharedir="${prefix}"
 220     fi
 221     execprefix="$prefix"
 222     bindir="${prefix}"
 223     tccdir="${prefix}"
 224     libdir="${prefix}/lib"
 225     docdir="${sharedir}/doc"
 226     mandir="${sharedir}/man"
 227     infodir="${sharedir}/info"
 228     LIBSUF=".lib"
 229     EXESUF=".exe"
 230     DLLSUF=".dll"
 231 else
 232     if test -z "$prefix" ; then
 233       prefix="/usr/local"
 234     fi
 235     if test -z "$sharedir" ; then
 236       sharedir="${prefix}/share"
 237     fi
 238     if test x"$execprefix" = x""; then
 239       execprefix="${prefix}"
 240     fi
 241     if test x"$libdir" = x""; then
 242       libdir="${execprefix}/lib"
 243     fi
 244     if test x"$bindir" = x""; then
 245       bindir="${execprefix}/bin"
 246     fi
 247     if test x"$docdir" = x""; then
 248       docdir="${sharedir}/doc"
 249     fi
 250     if test x"$mandir" = x""; then
 251       mandir="${sharedir}/man"
 252     fi
 253     if test x"$infodir" = x""; then
 254       infodir="${sharedir}/info"
 255     fi
 256     if test x"$tccdir" = x""; then
 257       tccdir="${libdir}/tcc"
 258     fi
 259 fi # mingw32
 260
 261 if test x"$includedir" = x""; then
 262   includedir="${prefix}/include"
 263 fi
 264
 265 if test x"$show_help" = "xyes" ; then
 266 cat << EOF
 267 Usage: configure [options]
 268 Options: [defaults in brackets after descriptions]
 269
 270 Standard options:
 271   --help                   print this message
 272   --prefix=PREFIX          install in PREFIX [$prefix]
 273   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 274                            [same as prefix]
 275   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 276   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 277   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 278   --includedir=DIR         C header files in DIR [PREFIX/include]
 279   --sharedir=DIR           documentation root DIR [PREFIX/share]
 280   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 281   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 282   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 283
 284 Advanced options (experts only):
 285   --source-path=PATH       path of source code [$source_path]
 286   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 287   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 288   --cc=CC                  use C compiler CC [$cc]
 289   --ar=AR                  create archives using AR [$ar]
 290   --extra-cflags=          specify compiler flags [$CFLAGS]
 291   --extra-ldflags=         specify linker options []
 292   --cpu=CPU                CPU [$cpu]
 293   --strip-binaries         strip symbol tables from resulting binaries
 294   --disable-static         make libtcc.so instead of libtcc.a
 295   --enable-static          make libtcc.a instead of libtcc.dll (win32)
 296   --disable-rpath          disable use of -rpath with the above
 297   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a in dynamic link
 298   --enable-mingw32         build windows version on linux with mingw32
 299   --enable-cross           build cross compilers
 300   --with-selinux           use mmap for executable memory (with tcc -run)
 301   --sysincludepaths=...    specify system include paths, colon separated
 302   --libpaths=...           specify system library paths, colon separated
 303   --crtprefix=...          specify locations of crt?.o, colon separated
 304   --elfinterp=...          specify elf interpreter
 305   --triplet=...            specify system library/include directory triplet
 306 EOF
 307 #echo "NOTE: The object files are build at the place where configure is launched"
 308 exit 1
 309 fi
 310
 311 cc="${cross_prefix}${cc}"
 312 ar="${cross_prefix}${ar}"
 313 strip="${cross_prefix}${strip}"
 314
 315 CONFTEST=./conftest$EXESUF
 316 if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 317   echo "configure: error: '$cc' failed to compile conftest.c."
 318 else
 319   gcc_major="$($CONFTEST version)"
 320   gcc_minor="$($CONFTEST minor)"
 321 fi
 322
 323 if test -z "$cross_prefix" ; then
 324   bigendian="$($CONFTEST bigendian)"
 325   if test "$mingw32" = "no" ; then
 326
 327       if test -z "$triplet"; then
 328         tt="$($CONFTEST triplet)"
 329         if test -n "$tt" -a -f "/usr/lib/$tt/crti.o" ; then
 330           triplet="$tt"
 331         fi
 332       fi
 333
 334       if test -z "$triplet"; then
 335         if test $cpu = "x86-64" -o $cpu = "aarch64" ; then
 336           if test -f "/usr/lib64/crti.o" ; then
 337             tcc_lddir="lib64"
 338           fi
 339         fi
 340       fi
 341
 342       if test "$cpu" = "armv4l" ; then
 343         if test "${triplet%eabihf}" != "$triplet" ; then
 344            confvars="$confvars arm_eabihf"
 345         elif test "${triplet%eabi}" != "$triplet" ; then
 346            confvars="$confvars arm_eabi"
 347         fi
 348         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 349            confvars="$confvars arm_vfp"
 350         fi
 351       fi
 352
 353       if test -f "/lib/ld-uClibc.so.0" ; then
 354         confvars="$confvars uClibc"
 355       fi
 356   fi
 357 else
 358   # if cross compiling, cannot launch a program, so make a static guess
 359   case $cpu in
 360     powerpc|mips|s390)  bigendian=yes;;
 361   esac
 362 fi
 363
 364 # a final configuration tuning
 365 $cc -v --help > cc_help.txt 2>&1
 366 W_OPTIONS="declaration-after-statement"
 367 for i in $W_OPTIONS; do
 368     O_PRESENT="$(grep -- -W$i cc_help.txt)"
 369     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -W$i"; fi
 370 done
 371 W_OPTIONS="pointer-sign sign-compare unused-result"
 372 for i in $W_OPTIONS; do
 373     O_PRESENT="$(grep -- -W$i cc_help.txt)"
 374     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -Wno-$i"; fi
 375 done
 376 F_OPTIONS="strict-aliasing"
 377 for i in $F_OPTIONS; do
 378     O_PRESENT="$(grep -- -f$i cc_help.txt)"
 379     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -fno-$i"; fi
 380 done
 381 rm -f cc_help.txt
 382
 383 fcho() { if test -n "$2"; then echo "$1$2"; else echo "$1-"; fi }
 384
 385 echo "Binary  directory   $bindir"
 386 echo "TinyCC directory    $tccdir"
 387 echo "Library directory   $libdir"
 388 echo "Include directory   $includedir"
 389 echo "Manual directory    $mandir"
 390 echo "Info directory      $infodir"
 391 echo "Doc directory       $docdir"
 392 fcho "Target root prefix  " "$sysroot"
 393 echo "Source path         $source_path"
 394 echo "C compiler          $cc"
 395 echo "Target OS           $targetos"
 396 echo "CPU                 $cpu"
 397 echo "Big Endian          $bigendian"
 398 echo "Profiling           $gprof"
 399 echo "Cross compilers     $build_cross"
 400 echo "Use libgcc          $use_libgcc"
 401 fcho "Triplet             " "$triplet"
 402
 403 echo "Creating config.mak and config.h"
 404
 405 cat >config.mak <<EOF
 406 # Automatically generated by configure - do not modify
 407 prefix=$prefix
 408 bindir=\$(DESTDIR)$bindir
 409 tccdir=\$(DESTDIR)$tccdir
 410 libdir=\$(DESTDIR)$libdir
 411 includedir=\$(DESTDIR)$includedir
 412 mandir=\$(DESTDIR)$mandir
 413 infodir=\$(DESTDIR)$infodir
 414 docdir=\$(DESTDIR)$docdir
 415 CC=$cc
 416 GCC_MAJOR=$gcc_major
 417 GCC_MINOR=$gcc_minor
 418 AR=$ar
 419 STRIP=$strip -s -R .comment -R .note
 420 CFLAGS=$CFLAGS
 421 LDFLAGS=$LDFLAGS
 422 LIBSUF=$LIBSUF
 423 EXESUF=$EXESUF
 424 DLLSUF=$DLLSUF
 425 EOF
 426
 427 print_inc() {
 428   if test -n "$2"; then
 429     echo "#ifndef $1" >> $TMPH
 430     echo "# define $1 \"$2\"" >> $TMPH
 431     echo "#endif" >> $TMPH
 432   fi
 433 }
 434 print_mak() {
 435   if test -n "$2"; then
 436     echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
 437   fi
 438 }
 439
 440 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 441
 442 print_inc CONFIG_SYSROOT "$sysroot"
 443 print_inc CONFIG_TCCDIR "$tccdir"
 444 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 445 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 446 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 447 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 448 print_mak CONFIG_LDDIR "$tcc_lddir"
 449 print_mak CONFIG_TRIPLET "$triplet"
 450
 451 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 452 echo "#define GCC_MINOR $gcc_minor" >> $TMPH
 453
 454 if test "$cpu" = "x86" ; then
 455   echo "ARCH=i386" >> config.mak
 456 elif test "$cpu" = "x86-64" ; then
 457   echo "ARCH=x86-64" >> config.mak
 458 elif test "$cpu" = "armv4l" ; then
 459   echo "ARCH=arm" >> config.mak
 460   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 461 elif test "$cpu" = "aarch64" ; then
 462   echo "ARCH=arm64" >> config.mak
 463 elif test "$cpu" = "powerpc" ; then
 464   echo "ARCH=ppc" >> config.mak
 465 elif test "$cpu" = "mips" ; then
 466   echo "ARCH=mips" >> config.mak
 467 elif test "$cpu" = "s390" ; then
 468   echo "ARCH=s390" >> config.mak
 469 elif test "$cpu" = "alpha" ; then
 470   echo "ARCH=alpha" >> config.mak
 471 else
 472   echo "Unsupported CPU"
 473   exit 1
 474 fi
 475
 476 echo "TARGETOS=$targetos" >> config.mak
 477
 478 for v in $confvars ; do
 479   echo "CONFIG_$v=yes" >> config.mak
 480 done
 481 if test "$noldl" = "yes" ; then
 482   echo "CONFIG_NOLDL=yes" >> config.mak
 483 fi
 484 if test "$mingw32" = "yes" ; then
 485   echo "CONFIG_WIN32=yes" >> 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 -n "$disable_static" ; then
 499   echo "DISABLE_STATIC=$disable_static" >> 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 # ---------------------------------------------------------------------------