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 DLLSUF=".so"
  42 tcc_sysincludepaths=""
  43 tcc_libpaths=""
  44 tcc_crtprefix=""
  45 tcc_elfinterp=""
  46 triplet=
  47 tcc_lddir=
  48 confvars=
  49 cpu=
  50
  51 # OS specific
  52 targetos=`uname`
  53 case $targetos in
  54   MINGW*)    mingw32=yes;;
  55   MSYS*)     mingw32=yes;;
  56   DragonFly) noldl=yes;;
  57   OpenBSD)   noldl=yes;;
  58   FreeBSD)   noldl=yes;;
  59   NetBSD)    noldl=yes;;
  60   *) ;;
  61 esac
  62
  63 # find source path
  64 # XXX: we assume an absolute path is given when launching configure,
  65 # except in './configure' case.
  66 source_path=${0%configure}
  67 source_path=${source_path%/}
  68 source_path_used="yes"
  69 if test -z "$source_path" -o "$source_path" = "." ; then
  70     source_path=`pwd`
  71     source_path_used="no"
  72 fi
  73
  74 for opt do
  75   eval opt=\"$opt\"
  76   case "$opt" in
  77   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  78   ;;
  79   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
  80   ;;
  81   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
  82   ;;
  83   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
  84   ;;
  85   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
  86   ;;
  87   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
  88   ;;
  89   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
  90   ;;
  91   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
  92   ;;
  93   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
  94   ;;
  95   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
  96   ;;
  97   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
  98   ;;
  99   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 100   ;;
 101   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 102   ;;
 103   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 104   ;;
 105   --ar=*) ar=`echo $opt | cut -d '=' -f 2`
 106   ;;
 107   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 108   ;;
 109   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 110   ;;
 111   --extra-libs=*) extralibs="${opt#--extra-libs=}"
 112   ;;
 113   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 114   ;;
 115   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 116   ;;
 117   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 118   ;;
 119   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 120   ;;
 121   --triplet=*) triplet=`echo $opt | cut -d '=' -f 2`
 122   ;;
 123   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 124   ;;
 125   --enable-gprof) gprof="yes"
 126   ;;
 127   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 128   ;;
 129   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 130   ;;
 131   --enable-cross) build_cross="yes"
 132   ;;
 133   --disable-static) disable_static="yes"
 134   ;;
 135   --disable-rpath) disable_rpath="yes"
 136   ;;
 137   --strip-binaries) strip_binaries="yes"
 138   ;;
 139   --with-libgcc) use_libgcc="yes"
 140   ;;
 141   --with-selinux) have_selinux="yes"
 142   ;;
 143   --help|-h) show_help="yes"
 144   ;;
 145   *) echo "configure: WARNING: unrecognized option $opt"
 146   ;;
 147   esac
 148 done
 149
 150 if test -z "$cpu" ; then
 151     if test -n "$ARCH" ; then
 152         cpu="$ARCH"
 153     else
 154         cpu=`uname -m`
 155     fi
 156 fi
 157
 158 case "$cpu" in
 159   x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
 160     cpu="x86"
 161   ;;
 162   x86_64|amd64)
 163     cpu="x86-64"
 164   ;;
 165   arm*)
 166     case "$cpu" in
 167       arm|armv4l)
 168         cpuver=4
 169       ;;
 170       armv5tel|armv5tejl)
 171         cpuver=5
 172       ;;
 173       armv6j|armv6l)
 174         cpuver=6
 175       ;;
 176       armv7a|armv7l)
 177         cpuver=7
 178       ;;
 179     esac
 180     cpu="armv4l"
 181   ;;
 182   aarch64)
 183     cpu="aarch64"
 184   ;;
 185   alpha)
 186     cpu="alpha"
 187   ;;
 188   "Power Macintosh"|ppc|ppc64)
 189     cpu="powerpc"
 190   ;;
 191   mips)
 192     cpu="mips"
 193   ;;
 194   s390)
 195     cpu="s390"
 196   ;;
 197   *)
 198   cpu="unknown"
 199   ;;
 200 esac
 201
 202 # Checking for CFLAGS
 203 if test -z "$CFLAGS"; then
 204     CFLAGS="-Wall -g -O2"
 205 fi
 206
 207 if test "$mingw32" = "yes" ; then
 208     if test x"$tccdir" = x""; then
 209       tccdir="tcc"
 210     fi
 211     if test -z "$prefix" ; then
 212       prefix="C:/Program Files/${tccdir}"
 213     fi
 214     if test -z "$sharedir" ; then
 215       sharedir="${prefix}"
 216     fi
 217     execprefix="$prefix"
 218     bindir="${prefix}"
 219     tccdir="${prefix}"
 220     libdir="${prefix}/lib"
 221     docdir="${sharedir}/doc"
 222     mandir="${sharedir}/man"
 223     infodir="${sharedir}/info"
 224     LIBSUF=".lib"
 225     EXESUF=".exe"
 226     DLLSUF=".dll"
 227 else
 228     if test -z "$prefix" ; then
 229       prefix="/usr/local"
 230     fi
 231     if test -z "$sharedir" ; then
 232       sharedir="${prefix}/share"
 233     fi
 234     if test x"$execprefix" = x""; then
 235       execprefix="${prefix}"
 236     fi
 237     if test x"$libdir" = x""; then
 238       libdir="${execprefix}/lib"
 239     fi
 240     if test x"$bindir" = x""; then
 241       bindir="${execprefix}/bin"
 242     fi
 243     if test x"$docdir" = x""; then
 244       docdir="${sharedir}/doc"
 245     fi
 246     if test x"$mandir" = x""; then
 247       mandir="${sharedir}/man"
 248     fi
 249     if test x"$infodir" = x""; then
 250       infodir="${sharedir}/info"
 251     fi
 252     if test x"$tccdir" = x""; then
 253       tccdir="${libdir}/tcc"
 254     fi
 255 fi # mingw32
 256
 257 if test x"$includedir" = x""; then
 258   includedir="${prefix}/include"
 259 fi
 260
 261 if test x"$show_help" = "xyes" ; then
 262 cat << EOF
 263 Usage: configure [options]
 264 Options: [defaults in brackets after descriptions]
 265
 266 Standard options:
 267   --help                   print this message
 268   --prefix=PREFIX          install in PREFIX [$prefix]
 269   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 270                            [same as prefix]
 271   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 272   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 273   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 274   --includedir=DIR         C header files in DIR [PREFIX/include]
 275   --sharedir=DIR           documentation root DIR [PREFIX/share]
 276   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 277   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 278   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 279
 280 Advanced options (experts only):
 281   --source-path=PATH       path of source code [$source_path]
 282   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 283   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 284   --cc=CC                  use C compiler CC [$cc]
 285   --ar=AR                  create archives using AR [$ar]
 286   --extra-cflags=          specify compiler flags [$CFLAGS]
 287   --extra-ldflags=         specify linker options []
 288   --cpu=CPU                CPU [$cpu]
 289   --strip-binaries         strip symbol tables from resulting binaries
 290   --disable-static         make libtcc.so instead of libtcc.a
 291   --disable-rpath          disable use of -rpath with the above
 292   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a in dynamic link
 293   --enable-mingw32         build windows version on linux with mingw32
 294   --enable-cygwin          build windows version on windows with cygwin
 295   --enable-cross           build cross compilers
 296   --with-selinux           use mmap for exec mem [needs writable /tmp]
 297   --sysincludepaths=...    specify system include paths, colon separated
 298   --libpaths=...           specify system library paths, colon separated
 299   --crtprefix=...          specify locations of crt?.o, colon separated
 300   --elfinterp=...          specify elf interpreter
 301   --triplet=...            specify system library/include directory triplet
 302 EOF
 303 #echo "NOTE: The object files are build at the place where configure is launched"
 304 exit 1
 305 fi
 306
 307 cc="${cross_prefix}${cc}"
 308 ar="${cross_prefix}${ar}"
 309 strip="${cross_prefix}${strip}"
 310
 311 CONFTEST=./conftest$EXESUF
 312
 313 if test -z "$cross_prefix" ; then
 314   if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 315     echo "configure: error: '$cc' failed to compile conftest.c."
 316   else
 317     bigendian="$($CONFTEST bigendian)"
 318     gcc_major="$($CONFTEST version)"
 319     gcc_minor="$($CONFTEST minor)"
 320     if test "$mingw32" = "no" ; then
 321
 322       if test -z "$triplet"; then
 323         tt="$($CONFTEST triplet)"
 324         if test -n "$tt" -a -f "/usr/lib/$tt/crti.o" ; then
 325           triplet="$tt"
 326         fi
 327       fi
 328
 329       if test -z "$triplet"; then
 330         if test $cpu = "x86-64" -o $cpu = "aarch64" ; then
 331           if test -f "/usr/lib64/crti.o" ; then
 332             tcc_lddir="lib64"
 333           fi
 334         fi
 335       fi
 336
 337       if test "$cpu" = "armv4l" ; then
 338         if test "${triplet%eabihf}" != "$triplet" ; then
 339            confvars="$confvars arm_eabihf"
 340         elif test "${triplet%eabi}" != "$triplet" ; then
 341            confvars="$confvars arm_eabi"
 342         fi
 343         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 344            confvars="$confvars arm_vfp"
 345         fi
 346       fi
 347
 348       if test -f "/lib/ld-uClibc.so.0" ; then
 349         confvars="$confvars uClibc"
 350       fi
 351
 352     fi
 353   fi
 354 else
 355   # if cross compiling, cannot launch a program, so make a static guess
 356   case $cpu in
 357     powerpc|mips|s390)  bigendian=yes;;
 358   esac
 359 fi
 360
 361 # a final configuration tuning
 362 $cc -v --help > cc_help.txt 2>&1
 363 W_OPTIONS="declaration-after-statement"
 364 for i in $W_OPTIONS; do
 365     O_PRESENT="$(grep -- -W$i cc_help.txt)"
 366     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -W$i"; fi
 367 done
 368 W_OPTIONS="deprecated-declarations strict-aliasing pointer-sign sign-compare unused-result uninitialized"
 369 for i in $W_OPTIONS; do
 370     O_PRESENT="$(grep -- -W$i cc_help.txt)"
 371     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -Wno-$i"; fi
 372 done
 373 F_OPTIONS="strict-aliasing"
 374 for i in $F_OPTIONS; do
 375     O_PRESENT="$(grep -- -f$i cc_help.txt)"
 376     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -fno-$i"; fi
 377 done
 378 rm -f cc_help.txt
 379
 380 fcho() { if test -n "$2"; then echo "$1$2"; else echo "$1-"; fi }
 381
 382 echo "Binary  directory   $bindir"
 383 echo "TinyCC directory    $tccdir"
 384 echo "Library directory   $libdir"
 385 echo "Include directory   $includedir"
 386 echo "Manual directory    $mandir"
 387 echo "Info directory      $infodir"
 388 echo "Doc directory       $docdir"
 389 fcho "Target root prefix  " "$sysroot"
 390 echo "Source path         $source_path"
 391 echo "C compiler          $cc"
 392 echo "Target OS           $targetos"
 393 echo "CPU                 $cpu"
 394 echo "Big Endian          $bigendian"
 395 echo "Profiling           $gprof"
 396 echo "Cross compilers     $build_cross"
 397 echo "Use libgcc          $use_libgcc"
 398 fcho "Triplet             " "$triplet"
 399
 400 echo "Creating config.mak and config.h"
 401
 402 cat >config.mak <<EOF
 403 # Automatically generated by configure - do not modify
 404 prefix=$prefix
 405 bindir=\$(DESTDIR)$bindir
 406 tccdir=\$(DESTDIR)$tccdir
 407 libdir=\$(DESTDIR)$libdir
 408 includedir=\$(DESTDIR)$includedir
 409 mandir=\$(DESTDIR)$mandir
 410 infodir=\$(DESTDIR)$infodir
 411 docdir=\$(DESTDIR)$docdir
 412 CC=$cc
 413 GCC_MAJOR=$gcc_major
 414 GCC_MINOR=$gcc_minor
 415 AR=$ar
 416 STRIP=$strip -s -R .comment -R .note
 417 CFLAGS=$CFLAGS
 418 LDFLAGS=$LDFLAGS
 419 LIBSUF=$LIBSUF
 420 EXESUF=$EXESUF
 421 DLLSUF=$DLLSUF
 422 EOF
 423
 424 print_inc() {
 425   if test -n "$2"; then
 426     echo "#ifndef $1" >> $TMPH
 427     echo "# define $1 \"$2\"" >> $TMPH
 428     echo "#endif" >> $TMPH
 429   fi
 430 }
 431 print_mak() {
 432   if test -n "$2"; then
 433     echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
 434   fi
 435 }
 436
 437 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 438
 439 print_inc CONFIG_SYSROOT "$sysroot"
 440 print_inc CONFIG_TCCDIR "$tccdir"
 441 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 442 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 443 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 444 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 445 print_mak CONFIG_LDDIR "$tcc_lddir"
 446 print_mak CONFIG_TRIPLET "$triplet"
 447
 448 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 449 echo "#define GCC_MINOR $gcc_minor" >> $TMPH
 450
 451 if test "$cpu" = "x86" ; then
 452   echo "ARCH=i386" >> config.mak
 453 elif test "$cpu" = "x86-64" ; then
 454   echo "ARCH=x86-64" >> config.mak
 455 elif test "$cpu" = "armv4l" ; then
 456   echo "ARCH=arm" >> config.mak
 457   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 458 elif test "$cpu" = "aarch64" ; then
 459   echo "ARCH=arm64" >> config.mak
 460 elif test "$cpu" = "powerpc" ; then
 461   echo "ARCH=ppc" >> config.mak
 462 elif test "$cpu" = "mips" ; then
 463   echo "ARCH=mips" >> config.mak
 464 elif test "$cpu" = "s390" ; then
 465   echo "ARCH=s390" >> config.mak
 466 elif test "$cpu" = "alpha" ; then
 467   echo "ARCH=alpha" >> config.mak
 468 else
 469   echo "Unsupported CPU"
 470   exit 1
 471 fi
 472
 473 echo "TARGETOS=$targetos" >> config.mak
 474
 475 for v in $confvars ; do
 476   echo "CONFIG_$v=yes" >> config.mak
 477 done
 478 if test "$noldl" = "yes" ; then
 479   echo "CONFIG_NOLDL=yes" >> config.mak
 480 fi
 481 if test "$mingw32" = "yes" ; then
 482   echo "CONFIG_WIN32=yes" >> config.mak
 483 fi
 484 if test "$cygwin" = "yes" ; then
 485   echo "#ifndef _WIN32" >> $TMPH
 486   echo "# define _WIN32" >> $TMPH
 487   echo "#endif" >> $TMPH
 488   echo "AR=ar" >> config.mak
 489 fi
 490 if test "$bigendian" = "yes" ; then
 491   echo "WORDS_BIGENDIAN=yes" >> config.mak
 492   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 493 fi
 494 if test "$gprof" = "yes" ; then
 495   echo "TARGET_GPROF=yes" >> config.mak
 496   echo "#define HAVE_GPROF 1" >> $TMPH
 497 fi
 498 if test "$build_cross" = "yes" ; then
 499   echo "CONFIG_CROSS=yes" >> config.mak
 500 fi
 501 if test "$disable_static" = "yes" ; then
 502   echo "DISABLE_STATIC=yes" >> config.mak
 503 fi
 504 if test "$disable_rpath" = "yes" ; then
 505   echo "DISABLE_RPATH=yes" >> config.mak
 506 fi
 507 if test "$strip_binaries" = "yes" ; then
 508   echo "STRIP_BINARIES=yes" >> config.mak
 509 fi
 510 if test "$use_libgcc" = "yes" ; then
 511   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 512   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 513 fi
 514 if test "$have_selinux" = "yes" ; then
 515   echo "#define HAVE_SELINUX" >> $TMPH
 516   echo "HAVE_SELINUX=yes" >> config.mak
 517 fi
 518
 519 version=`head $source_path/VERSION`
 520 echo "VERSION = $version" >> config.mak
 521 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 522 echo "@set VERSION $version" > config.texi
 523
 524 if test "$source_path_used" = "yes" ; then
 525     case $source_path in
 526        /*) echo "TOPSRC=$source_path";;
 527         *) echo "TOPSRC=\$(TOP)/$source_path";;
 528      esac >>config.mak
 529 else
 530      echo 'TOPSRC=$(TOP)' >>config.mak
 531 fi
 532
 533 diff $TMPH config.h >/dev/null 2>&1
 534 if test $? -ne 0 ; then
 535     mv -f $TMPH config.h
 536 else
 537     echo "config.h is unchanged"
 538 fi
 539
 540 rm -f $TMPN* $CONFTEST
 541
 542 # ---------------------------------------------------------------------------
 543 # build tree in object directory if source path is different from current one
 544
 545 fn_makelink()
 546 {
 547     tgt=$1/$2
 548     case $2 in
 549     */*) dn=${2%/*}
 550          test -d $dn || mkdir -p $dn
 551          case $1 in
 552          /*) ;;
 553           *) while test $dn ; do
 554                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 555              done
 556              ;;
 557          esac
 558          ;;
 559     esac
 560
 561     ln -sfn $tgt $2 || ( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
 562 }
 563
 564 if test "$source_path_used" = "yes" ; then
 565   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
 566   for f in $FILES ; do
 567     fn_makelink $source_path $f
 568   done
 569 fi
 570
 571 # ---------------------------------------------------------------------------