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 osx="no"
  41 LIBSUF=".a"
  42 EXESUF=""
  43 DLLSUF=".so"
  44 tcc_sysincludepaths=""
  45 tcc_libpaths=""
  46 tcc_crtprefix=""
  47 tcc_elfinterp=""
  48 triplet=
  49 tcc_lddir=
  50 confvars=
  51 cpu=
  52
  53 # OS specific
  54 targetos=`uname`
  55 case $targetos in
  56   Darwin)    osx=yes;;
  57   MINGW*)    mingw32=yes;;
  58   MSYS*)     mingw32=yes;;
  59   CYGWIN*)   mingw32=yes; cygwin=yes; cross_prefix="mingw32-";;
  60   DragonFly) noldl=yes;;
  61   OpenBSD)   noldl=yes;;
  62   FreeBSD)   noldl=yes;;
  63   NetBSD)    noldl=yes;;
  64   *) ;;
  65 esac
  66
  67 # find source path
  68 # XXX: we assume an absolute path is given when launching configure,
  69 # except in './configure' case.
  70 source_path=${0%configure}
  71 source_path=${source_path%/}
  72 source_path_used="yes"
  73 if test -z "$source_path" -o "$source_path" = "." ; then
  74     source_path=`pwd`
  75     source_path_used="no"
  76     # mingw compilers might not understand cygwin paths
  77     if test $cygwin = "yes"; then source_path="."; fi
  78 fi
  79
  80 for opt do
  81   eval opt=\"$opt\"
  82   case "$opt" in
  83   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  84   ;;
  85   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
  86   ;;
  87   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
  88   ;;
  89   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
  90   ;;
  91   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
  92   ;;
  93   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
  94   ;;
  95   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
  96   ;;
  97   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
  98   ;;
  99   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 100   ;;
 101   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 102   ;;
 103   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 104   ;;
 105   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 106   ;;
 107   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 108   ;;
 109   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 110   ;;
 111   --ar=*) ar=`echo $opt | cut -d '=' -f 2`
 112   ;;
 113   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 114   ;;
 115   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 116   ;;
 117   --extra-libs=*) extralibs="${opt#--extra-libs=}"
 118   ;;
 119   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 120   ;;
 121   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 122   ;;
 123   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 124   ;;
 125   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 126   ;;
 127   --triplet=*) triplet=`echo $opt | cut -d '=' -f 2`
 128   ;;
 129   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 130   ;;
 131   --enable-gprof) gprof="yes"
 132   ;;
 133   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 134   ;;
 135   --enable-cross) build_cross="yes"
 136   ;;
 137   --disable-static) disable_static="yes"
 138   ;;
 139   --enable-static) disable_static="no"
 140   ;;
 141   --disable-rpath) disable_rpath="yes"
 142   ;;
 143   --strip-binaries) strip_binaries="yes"
 144   ;;
 145   --with-libgcc) use_libgcc="yes"
 146   ;;
 147   --with-selinux) have_selinux="yes"
 148   ;;
 149   --help|-h) show_help="yes"
 150   ;;
 151   *) echo "configure: WARNING: unrecognized option $opt"
 152   ;;
 153   esac
 154 done
 155
 156 if test -z "$cpu" ; then
 157     if test -n "$ARCH" ; then
 158         cpu="$ARCH"
 159     else
 160         cpu=`uname -m`
 161     fi
 162 fi
 163
 164 case "$cpu" in
 165   x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
 166     cpu="x86"
 167   ;;
 168   x86_64|amd64|x86-64)
 169     cpu="x86_64"
 170   ;;
 171   arm*)
 172     case "$cpu" in
 173       arm|armv4l)
 174         cpuver=4
 175       ;;
 176       armv5tel|armv5tejl)
 177         cpuver=5
 178       ;;
 179       armv6j|armv6l)
 180         cpuver=6
 181       ;;
 182       armv7a|armv7l)
 183         cpuver=7
 184       ;;
 185     esac
 186     cpu="armv4l"
 187   ;;
 188   aarch64)
 189     cpu="aarch64"
 190   ;;
 191   alpha)
 192     cpu="alpha"
 193   ;;
 194   "Power Macintosh"|ppc|ppc64)
 195     cpu="powerpc"
 196   ;;
 197   mips)
 198     cpu="mips"
 199   ;;
 200   s390)
 201     cpu="s390"
 202   ;;
 203   *)
 204   cpu="unknown"
 205   ;;
 206 esac
 207
 208 # Checking for CFLAGS
 209 if test -z "$CFLAGS"; then
 210     CFLAGS="-Wall -g -O2"
 211 fi
 212
 213 if test "$mingw32" = "yes" ; then
 214     if test x"$tccdir" = x""; then
 215       tccdir="tcc"
 216     fi
 217     if test -z "$prefix" ; then
 218       prefix="C:/Program Files/${tccdir}"
 219     fi
 220     if test -z "$sharedir" ; then
 221       sharedir="${prefix}"
 222     fi
 223     execprefix="$prefix"
 224     bindir="${prefix}"
 225     tccdir="${prefix}"
 226     libdir="${prefix}/lib"
 227     docdir="${sharedir}/doc"
 228     mandir="${sharedir}/man"
 229     infodir="${sharedir}/info"
 230     LIBSUF=".lib"
 231     EXESUF=".exe"
 232     DLLSUF=".dll"
 233 else
 234     if test -z "$prefix" ; then
 235       prefix="/usr/local"
 236     fi
 237     if test -z "$sharedir" ; then
 238       sharedir="${prefix}/share"
 239     fi
 240     if test x"$execprefix" = x""; then
 241       execprefix="${prefix}"
 242     fi
 243     if test x"$libdir" = x""; then
 244       libdir="${execprefix}/lib"
 245     fi
 246     if test x"$bindir" = x""; then
 247       bindir="${execprefix}/bin"
 248     fi
 249     if test x"$docdir" = x""; then
 250       docdir="${sharedir}/doc"
 251     fi
 252     if test x"$mandir" = x""; then
 253       mandir="${sharedir}/man"
 254     fi
 255     if test x"$infodir" = x""; then
 256       infodir="${sharedir}/info"
 257     fi
 258     if test x"$tccdir" = x""; then
 259       tccdir="${libdir}/tcc"
 260     fi
 261     if test "$osx" = "yes" ; then
 262         DLLSUF=".dylib"
 263     fi
 264 fi # mingw32
 265
 266 if test x"$includedir" = x""; then
 267   includedir="${prefix}/include"
 268 fi
 269
 270 if test x"$show_help" = "xyes" ; then
 271 cat << EOF
 272 Usage: configure [options]
 273 Options: [defaults in brackets after descriptions]
 274
 275 Standard options:
 276   --help                   print this message
 277   --prefix=PREFIX          install in PREFIX [$prefix]
 278   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 279                            [same as prefix]
 280   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 281   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 282   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 283   --includedir=DIR         C header files in DIR [PREFIX/include]
 284   --sharedir=DIR           documentation root DIR [PREFIX/share]
 285   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 286   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 287   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 288
 289 Advanced options (experts only):
 290   --source-path=PATH       path of source code [$source_path]
 291   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 292   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 293   --cc=CC                  use C compiler CC [$cc]
 294   --ar=AR                  create archives using AR [$ar]
 295   --extra-cflags=          specify compiler flags [$CFLAGS]
 296   --extra-ldflags=         specify linker options []
 297   --cpu=CPU                CPU [$cpu]
 298   --strip-binaries         strip symbol tables from resulting binaries
 299   --disable-static         make libtcc.so instead of libtcc.a
 300   --enable-static          make libtcc.a instead of libtcc.dll (win32)
 301   --disable-rpath          disable use of -rpath with the above
 302   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a in dynamic link
 303   --enable-mingw32         build windows version on linux with mingw32
 304   --enable-cross           build cross compilers
 305   --with-selinux           use mmap for executable memory (with tcc -run)
 306   --sysincludepaths=...    specify system include paths, colon separated
 307   --libpaths=...           specify system library paths, colon separated
 308   --crtprefix=...          specify locations of crt?.o, colon separated
 309   --elfinterp=...          specify elf interpreter
 310   --triplet=...            specify system library/include directory triplet
 311 EOF
 312 #echo "NOTE: The object files are build at the place where configure is launched"
 313 exit 1
 314 fi
 315
 316 cc="${cross_prefix}${cc}"
 317 ar="${cross_prefix}${ar}"
 318 strip="${cross_prefix}${strip}"
 319
 320 CONFTEST=./conftest$EXESUF
 321 if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 322   echo "configure: error: '$cc' failed to compile conftest.c."
 323 else
 324   gcc_major="$($CONFTEST version)"
 325   gcc_minor="$($CONFTEST minor)"
 326 fi
 327
 328 if test -z "$cross_prefix" ; then
 329   bigendian="$($CONFTEST bigendian)"
 330   if test "$mingw32" = "no" ; then
 331
 332       if test -z "$triplet"; then
 333         tt="$($CONFTEST triplet)"
 334         if test -n "$tt" -a -f "/usr/lib/$tt/crti.o" ; then
 335           triplet="$tt"
 336         fi
 337       fi
 338
 339       if test -z "$triplet"; then
 340         if test $cpu = "x86_64" -o $cpu = "aarch64" ; then
 341           if test -f "/usr/lib64/crti.o" ; then
 342             tcc_lddir="lib64"
 343           fi
 344         fi
 345       fi
 346
 347       if test "$cpu" = "armv4l" ; then
 348         if test "${triplet%eabihf}" != "$triplet" ; then
 349            confvars="$confvars arm_eabihf"
 350         elif test "${triplet%eabi}" != "$triplet" ; then
 351            confvars="$confvars arm_eabi"
 352         fi
 353         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 354            confvars="$confvars arm_vfp"
 355         fi
 356       fi
 357
 358       if test -f "/lib/ld-uClibc.so.0" ; then
 359         confvars="$confvars uClibc"
 360       elif test -f "/lib/ld-musl-$cpu.so.1"; then
 361         confvars="$confvars musl"
 362       fi
 363   fi
 364 else
 365   # if cross compiling, cannot launch a program, so make a static guess
 366   case $cpu in
 367     powerpc|mips|s390)  bigendian=yes;;
 368   esac
 369 fi
 370
 371 # a final configuration tuning
 372 $cc -v --help > cc_help.txt 2>&1
 373 W_OPTIONS="declaration-after-statement"
 374 for i in $W_OPTIONS; do
 375     O_PRESENT="$(grep -- -W$i cc_help.txt)"
 376     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -W$i"; fi
 377 done
 378 W_OPTIONS="pointer-sign sign-compare unused-result"
 379 for i in $W_OPTIONS; do
 380     O_PRESENT="$(grep -- -W$i cc_help.txt)"
 381     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -Wno-$i"; fi
 382 done
 383 F_OPTIONS="strict-aliasing"
 384 for i in $F_OPTIONS; do
 385     O_PRESENT="$(grep -- -f$i cc_help.txt)"
 386     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -fno-$i"; fi
 387 done
 388 rm -f cc_help.txt
 389
 390 fcho() { if test -n "$2"; then echo "$1$2"; else echo "$1-"; fi }
 391
 392 echo "Binary  directory   $bindir"
 393 echo "TinyCC directory    $tccdir"
 394 echo "Library directory   $libdir"
 395 echo "Include directory   $includedir"
 396 echo "Manual directory    $mandir"
 397 echo "Info directory      $infodir"
 398 echo "Doc directory       $docdir"
 399 fcho "Target root prefix  " "$sysroot"
 400 echo "Source path         $source_path"
 401 echo "C compiler          $cc"
 402 echo "Target OS           $targetos"
 403 echo "CPU                 $cpu"
 404 echo "Big Endian          $bigendian"
 405 echo "Profiling           $gprof"
 406 echo "Cross compilers     $build_cross"
 407 echo "Use libgcc          $use_libgcc"
 408 fcho "Triplet             " "$triplet"
 409
 410 echo "Creating config.mak and config.h"
 411
 412 cat >config.mak <<EOF
 413 # Automatically generated by configure - do not modify
 414 prefix=$prefix
 415 bindir=\$(DESTDIR)$bindir
 416 tccdir=\$(DESTDIR)$tccdir
 417 libdir=\$(DESTDIR)$libdir
 418 includedir=\$(DESTDIR)$includedir
 419 mandir=\$(DESTDIR)$mandir
 420 infodir=\$(DESTDIR)$infodir
 421 docdir=\$(DESTDIR)$docdir
 422 CC=$cc
 423 GCC_MAJOR=$gcc_major
 424 GCC_MINOR=$gcc_minor
 425 AR=$ar
 426 STRIP=$strip -s -R .comment -R .note
 427 CFLAGS=$CFLAGS
 428 LDFLAGS=$LDFLAGS
 429 LIBSUF=$LIBSUF
 430 EXESUF=$EXESUF
 431 DLLSUF=$DLLSUF
 432 EOF
 433
 434 print_inc() {
 435   if test -n "$2"; then
 436     echo "#ifndef $1" >> $TMPH
 437     echo "# define $1 \"$2\"" >> $TMPH
 438     echo "#endif" >> $TMPH
 439   fi
 440 }
 441 print_mak() {
 442   if test -n "$2"; then
 443     echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
 444   fi
 445 }
 446
 447 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 448
 449 print_inc CONFIG_SYSROOT "$sysroot"
 450 print_inc CONFIG_TCCDIR "$tccdir"
 451 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 452 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 453 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 454 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 455 print_mak CONFIG_LDDIR "$tcc_lddir"
 456 print_mak CONFIG_TRIPLET "$triplet"
 457
 458 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 459 echo "#define GCC_MINOR $gcc_minor" >> $TMPH
 460
 461 if test "$cpu" = "x86" ; then
 462   echo "ARCH=i386" >> config.mak
 463 elif test "$cpu" = "x86_64" ; then
 464   echo "ARCH=x86_64" >> config.mak
 465 elif test "$cpu" = "armv4l" ; then
 466   echo "ARCH=arm" >> config.mak
 467   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 468 elif test "$cpu" = "aarch64" ; then
 469   echo "ARCH=arm64" >> config.mak
 470 elif test "$cpu" = "powerpc" ; then
 471   echo "ARCH=ppc" >> config.mak
 472 elif test "$cpu" = "mips" ; then
 473   echo "ARCH=mips" >> config.mak
 474 elif test "$cpu" = "s390" ; then
 475   echo "ARCH=s390" >> config.mak
 476 elif test "$cpu" = "alpha" ; then
 477   echo "ARCH=alpha" >> config.mak
 478 else
 479   echo "Unsupported CPU"
 480   exit 1
 481 fi
 482
 483 echo "TARGETOS=$targetos" >> config.mak
 484
 485 for v in $confvars ; do
 486   echo "CONFIG_$v=yes" >> config.mak
 487 done
 488 if test "$noldl" = "yes" ; then
 489   echo "CONFIG_NOLDL=yes" >> config.mak
 490 fi
 491 if test "$mingw32" = "yes" ; then
 492   echo "CONFIG_WIN32=yes" >> config.mak
 493 fi
 494 if test "$osx" = "yes" ; then
 495   echo "CONFIG_OSX=yes" >> config.mak
 496 fi
 497 if test "$bigendian" = "yes" ; then
 498   echo "WORDS_BIGENDIAN=yes" >> config.mak
 499   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 500 fi
 501 if test "$gprof" = "yes" ; then
 502   echo "TARGET_GPROF=yes" >> config.mak
 503   echo "#define HAVE_GPROF 1" >> $TMPH
 504 fi
 505 if test "$build_cross" = "yes" ; then
 506   echo "CONFIG_CROSS=yes" >> config.mak
 507 fi
 508 if test -n "$disable_static" ; then
 509   echo "DISABLE_STATIC=$disable_static" >> config.mak
 510 fi
 511 if test "$disable_rpath" = "yes" ; then
 512   echo "DISABLE_RPATH=yes" >> config.mak
 513 fi
 514 if test "$strip_binaries" = "yes" ; then
 515   echo "STRIP_BINARIES=yes" >> config.mak
 516 fi
 517 if test "$use_libgcc" = "yes" ; then
 518   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 519   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 520 fi
 521 if test "$have_selinux" = "yes" ; then
 522   echo "#define HAVE_SELINUX" >> $TMPH
 523   echo "HAVE_SELINUX=yes" >> config.mak
 524 fi
 525
 526 version=`head $source_path/VERSION`
 527 echo "VERSION = $version" >> config.mak
 528 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 529 echo "@set VERSION $version" > config.texi
 530
 531 if test "$source_path_used" = "yes" ; then
 532     case $source_path in
 533        /*) echo "TOPSRC=$source_path";;
 534         *) echo "TOPSRC=\$(TOP)/$source_path";;
 535      esac >>config.mak
 536 else
 537      echo 'TOPSRC=$(TOP)' >>config.mak
 538 fi
 539
 540 diff $TMPH config.h >/dev/null 2>&1
 541 if test $? -ne 0 ; then
 542     mv -f $TMPH config.h
 543 else
 544     echo "config.h is unchanged"
 545 fi
 546
 547 rm -f $TMPN* $CONFTEST
 548
 549 # ---------------------------------------------------------------------------
 550 # build tree in object directory if source path is different from current one
 551
 552 fn_makelink()
 553 {
 554     tgt=$1/$2
 555     case $2 in
 556     */*) dn=${2%/*}
 557          test -d $dn || mkdir -p $dn
 558          case $1 in
 559          /*) ;;
 560           *) while test $dn ; do
 561                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 562              done
 563              ;;
 564          esac
 565          ;;
 566     esac
 567
 568     ln -sfn $tgt $2 || ( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
 569 }
 570
 571 if test "$source_path_used" = "yes" ; then
 572   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
 573   for f in $FILES ; do
 574     fn_makelink $source_path $f
 575   done
 576 fi
 577
 578 # ---------------------------------------------------------------------------