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 noldl="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 $targetos in
  56   Darwin)
  57     osx=yes
  58     ;;
  59   MINGW*|MSYS*|CYGWIN*)
  60     mingw32=yes
  61     ;;
  62   DragonFly|OpenBSD|FreeBSD|NetBSD)
  63     noldl=yes
  64     ;;
  65   *)
  66     ;;
  67 esac
  68
  69 # find source path
  70 source_path=${0%configure}
  71 source_path=${source_path%/}
  72 source_path_used="yes"
  73 if test -z "$source_path" -o "$source_path" = "." ; then
  74     source_path=`pwd`
  75     source_path_used="no"
  76 fi
  77
  78 for opt do
  79   eval opt=\"$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"
 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 "$cpu" in
 163   x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
 164     cpu="x86"
 165   ;;
 166   x86_64|amd64|x86-64)
 167     cpu="x86_64"
 168   ;;
 169   arm*)
 170     case "$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 "$source_path_used" = "no"; then
 213       source_path="."
 214     fi
 215     if test "$cc" = gcc; then
 216       test -z "$LDFLAGS" && LDFLAGS="-static"
 217     fi
 218     if test x"$tccdir" = x""; then
 219       tccdir="tcc"
 220     fi
 221     if test -z "$prefix" ; then
 222       prefix="C:/Program Files/${tccdir}"
 223     fi
 224     if test -z "$sharedir" ; then
 225       sharedir="${prefix}"
 226     fi
 227     execprefix="$prefix"
 228     bindir="${prefix}"
 229     tccdir="${prefix}"
 230     libdir="${prefix}/lib"
 231     docdir="${sharedir}/doc"
 232     mandir="${sharedir}/man"
 233     infodir="${sharedir}/info"
 234     LIBSUF=".lib"
 235     EXESUF=".exe"
 236     DLLSUF=".dll"
 237 else
 238     if test -z "$prefix" ; then
 239       prefix="/usr/local"
 240     fi
 241     if test -z "$sharedir" ; then
 242       sharedir="${prefix}/share"
 243     fi
 244     if test x"$execprefix" = x""; then
 245       execprefix="${prefix}"
 246     fi
 247     if test x"$libdir" = x""; then
 248       libdir="${execprefix}/lib"
 249     fi
 250     if test x"$bindir" = x""; then
 251       bindir="${execprefix}/bin"
 252     fi
 253     if test x"$docdir" = x""; then
 254       docdir="${sharedir}/doc"
 255     fi
 256     if test x"$mandir" = x""; then
 257       mandir="${sharedir}/man"
 258     fi
 259     if test x"$infodir" = x""; then
 260       infodir="${sharedir}/info"
 261     fi
 262     if test x"$tccdir" = x""; then
 263       tccdir="${libdir}/tcc"
 264     fi
 265     if test "$osx" = "yes" ; then
 266         DLLSUF=".dylib"
 267     fi
 268 fi # mingw32
 269
 270 if test x"$includedir" = x""; then
 271   includedir="${prefix}/include"
 272 fi
 273
 274 if test x"$show_help" = "xyes" ; then
 275 cat << EOF
 276 Usage: configure [options]
 277 Options: [defaults in brackets after descriptions]
 278
 279 Standard options:
 280   --help                   print this message
 281   --prefix=PREFIX          install in PREFIX [$prefix]
 282   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 283                            [same as prefix]
 284   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 285   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 286   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 287   --includedir=DIR         C header files in DIR [PREFIX/include]
 288   --sharedir=DIR           documentation root DIR [PREFIX/share]
 289   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 290   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 291   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 292
 293 Advanced options (experts only):
 294   --source-path=PATH       path of source code [$source_path]
 295   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 296   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 297   --cc=CC                  use C compiler CC [$cc]
 298   --ar=AR                  create archives using AR [$ar]
 299   --extra-cflags=          specify compiler flags [$CFLAGS]
 300   --extra-ldflags=         specify linker options []
 301   --cpu=CPU                CPU [$cpu]
 302   --strip-binaries         strip symbol tables from resulting binaries
 303   --disable-static         make libtcc.so instead of libtcc.a
 304   --enable-static          make libtcc.a instead of libtcc.dll (win32)
 305   --disable-rpath          disable use of -rpath with the above
 306   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a in dynamic link
 307   --enable-mingw32         build windows version on linux with mingw32
 308   --enable-cross           build cross compilers
 309   --with-selinux           use mmap for executable memory (with tcc -run)
 310   --sysincludepaths=...    specify system include paths, colon separated
 311   --libpaths=...           specify system library paths, colon separated
 312   --crtprefix=...          specify locations of crt?.o, colon separated
 313   --elfinterp=...          specify elf interpreter
 314   --triplet=...            specify system library/include directory triplet
 315 EOF
 316 #echo "NOTE: The object files are build at the place where configure is launched"
 317 exit 1
 318 fi
 319
 320 cc="${cross_prefix}${cc}"
 321 ar="${cross_prefix}${ar}"
 322 strip="${cross_prefix}${strip}"
 323
 324 CONFTEST=./conftest$EXESUF
 325 if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 326   echo "configure: error: '$cc' failed to compile conftest.c."
 327 else
 328   gcc_major="$($CONFTEST version)"
 329   gcc_minor="$($CONFTEST minor)"
 330 fi
 331
 332 if test -z "$cross_prefix" ; then
 333   bigendian="$($CONFTEST bigendian)"
 334   if test "$mingw32" = "no" ; then
 335
 336       if test -z "$triplet"; then
 337         tt="$($CONFTEST triplet)"
 338         if test -n "$tt" -a -f "/usr/lib/$tt/crti.o" ; then
 339           triplet="$tt"
 340         fi
 341       fi
 342
 343       if test -z "$triplet"; then
 344         if test $cpu = "x86_64" -o $cpu = "aarch64" ; then
 345           if test -f "/usr/lib64/crti.o" ; then
 346             tcc_lddir="lib64"
 347           fi
 348         fi
 349       fi
 350
 351       if test "$cpu" = "armv4l" ; then
 352         if test "${triplet%eabihf}" != "$triplet" ; then
 353            confvars="$confvars arm_eabihf"
 354         elif test "${triplet%eabi}" != "$triplet" ; then
 355            confvars="$confvars arm_eabi"
 356         fi
 357         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 358            confvars="$confvars arm_vfp"
 359         fi
 360       fi
 361
 362       if test -f "/lib/ld-uClibc.so.0" ; then
 363         confvars="$confvars uClibc"
 364       elif test -f "/lib/ld-musl-$cpu.so.1"; then
 365         confvars="$confvars musl"
 366       fi
 367   fi
 368 else
 369   # if cross compiling, cannot launch a program, so make a static guess
 370   case $cpu in
 371     powerpc|mips|s390)  bigendian=yes;;
 372   esac
 373 fi
 374
 375 # a final configuration tuning
 376 $cc -v --help > cc_help.txt 2>&1
 377 W_OPTIONS="declaration-after-statement undef strict-prototypes write-strings"
 378 for i in $W_OPTIONS; do
 379     O_PRESENT="$(grep -- -W$i cc_help.txt)"
 380     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -W$i"; fi
 381 done
 382 W_OPTIONS="pointer-sign sign-compare unused-result"
 383 for i in $W_OPTIONS; do
 384     O_PRESENT="$(grep -- -W$i cc_help.txt)"
 385     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -Wno-$i"; fi
 386 done
 387 F_OPTIONS="strict-aliasing"
 388 for i in $F_OPTIONS; do
 389     O_PRESENT="$(grep -- -f$i cc_help.txt)"
 390     if test -n "$O_PRESENT"; then  CFLAGS="$CFLAGS -fno-$i"; fi
 391 done
 392 rm -f cc_help.txt
 393
 394 fcho() { if test -n "$2"; then echo "$1$2"; else echo "$1-"; fi }
 395
 396 echo "Binary  directory   $bindir"
 397 echo "TinyCC directory    $tccdir"
 398 echo "Library directory   $libdir"
 399 echo "Include directory   $includedir"
 400 echo "Manual directory    $mandir"
 401 echo "Info directory      $infodir"
 402 echo "Doc directory       $docdir"
 403 fcho "Target root prefix  " "$sysroot"
 404 echo "Source path         $source_path"
 405 echo "C compiler          $cc"
 406 echo "Target OS           $targetos"
 407 echo "CPU                 $cpu"
 408 echo "Big Endian          $bigendian"
 409 echo "Profiling           $gprof"
 410 echo "Cross compilers     $build_cross"
 411 echo "Use libgcc          $use_libgcc"
 412 fcho "Triplet             " "$triplet"
 413
 414 echo "Creating config.mak and config.h"
 415
 416 cat >config.mak <<EOF
 417 # Automatically generated by configure - do not modify
 418 prefix=$prefix
 419 bindir=\$(DESTDIR)$bindir
 420 tccdir=\$(DESTDIR)$tccdir
 421 libdir=\$(DESTDIR)$libdir
 422 includedir=\$(DESTDIR)$includedir
 423 mandir=\$(DESTDIR)$mandir
 424 infodir=\$(DESTDIR)$infodir
 425 docdir=\$(DESTDIR)$docdir
 426 CC=$cc
 427 GCC_MAJOR=$gcc_major
 428 GCC_MINOR=$gcc_minor
 429 AR=$ar
 430 STRIP=$strip -s -R .comment -R .note
 431 CFLAGS=$CFLAGS
 432 LDFLAGS=$LDFLAGS
 433 LIBSUF=$LIBSUF
 434 EXESUF=$EXESUF
 435 DLLSUF=$DLLSUF
 436 EOF
 437
 438 print_inc() {
 439   if test -n "$2"; then
 440     echo "#ifndef $1" >> $TMPH
 441     echo "# define $1 \"$2\"" >> $TMPH
 442     echo "#endif" >> $TMPH
 443   fi
 444 }
 445 print_mak() {
 446   if test -n "$2"; then
 447     echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
 448   fi
 449 }
 450
 451 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 452
 453 print_inc CONFIG_SYSROOT "$sysroot"
 454 print_inc CONFIG_TCCDIR "$tccdir"
 455 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 456 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 457 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 458 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 459 print_mak CONFIG_LDDIR "$tcc_lddir"
 460 print_mak CONFIG_TRIPLET "$triplet"
 461
 462 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 463 echo "#define GCC_MINOR $gcc_minor" >> $TMPH
 464
 465 if test "$cpu" = "x86" ; then
 466   echo "ARCH=i386" >> config.mak
 467 elif test "$cpu" = "x86_64" ; then
 468   echo "ARCH=x86_64" >> config.mak
 469 elif test "$cpu" = "armv4l" ; then
 470   echo "ARCH=arm" >> config.mak
 471   echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
 472 elif test "$cpu" = "aarch64" ; then
 473   echo "ARCH=arm64" >> config.mak
 474 elif test "$cpu" = "powerpc" ; then
 475   echo "ARCH=ppc" >> config.mak
 476 elif test "$cpu" = "mips" ; then
 477   echo "ARCH=mips" >> config.mak
 478 elif test "$cpu" = "s390" ; then
 479   echo "ARCH=s390" >> config.mak
 480 elif test "$cpu" = "alpha" ; then
 481   echo "ARCH=alpha" >> config.mak
 482 else
 483   echo "Unsupported CPU"
 484   exit 1
 485 fi
 486
 487 echo "TARGETOS=$targetos" >> config.mak
 488
 489 for v in $confvars ; do
 490   echo "CONFIG_$v=yes" >> config.mak
 491 done
 492 if test "$noldl" = "yes" ; then
 493   echo "CONFIG_NOLDL=yes" >> config.mak
 494 fi
 495 if test "$mingw32" = "yes" ; then
 496   echo "CONFIG_WIN32=yes" >> config.mak
 497 fi
 498 if test "$osx" = "yes" ; then
 499   echo "CONFIG_OSX=yes" >> config.mak
 500 fi
 501 if test "$bigendian" = "yes" ; then
 502   echo "WORDS_BIGENDIAN=yes" >> config.mak
 503   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 504 fi
 505 if test "$gprof" = "yes" ; then
 506   echo "TARGET_GPROF=yes" >> config.mak
 507   echo "#define HAVE_GPROF 1" >> $TMPH
 508 fi
 509 if test "$build_cross" = "yes" ; then
 510   echo "CONFIG_CROSS=yes" >> config.mak
 511 fi
 512 if test -n "$disable_static" ; then
 513   echo "DISABLE_STATIC=$disable_static" >> config.mak
 514 fi
 515 if test "$disable_rpath" = "yes" ; then
 516   echo "DISABLE_RPATH=yes" >> config.mak
 517 fi
 518 if test "$strip_binaries" = "yes" ; then
 519   echo "STRIP_BINARIES=yes" >> config.mak
 520 fi
 521 if test "$use_libgcc" = "yes" ; then
 522   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 523   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 524 fi
 525 if test "$have_selinux" = "yes" ; then
 526   echo "#define HAVE_SELINUX" >> $TMPH
 527   echo "HAVE_SELINUX=yes" >> config.mak
 528 fi
 529
 530 version=`head $source_path/VERSION`
 531 echo "VERSION = $version" >> config.mak
 532 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 533 echo "@set VERSION $version" > config.texi
 534
 535 if test "$source_path_used" = "yes" ; then
 536     case $source_path in
 537        /*) echo "TOPSRC=$source_path";;
 538         *) echo "TOPSRC=\$(TOP)/$source_path";;
 539      esac >>config.mak
 540 else
 541      echo 'TOPSRC=$(TOP)' >>config.mak
 542 fi
 543
 544 diff $TMPH config.h >/dev/null 2>&1
 545 if test $? -ne 0 ; then
 546     mv -f $TMPH config.h
 547 else
 548     echo "config.h is unchanged"
 549 fi
 550
 551 rm -f $TMPN* $CONFTEST
 552
 553 # ---------------------------------------------------------------------------
 554 # build tree in object directory if source path is different from current one
 555
 556 fn_makelink()
 557 {
 558     tgt=$1/$2
 559     case $2 in
 560     */*) dn=${2%/*}
 561          test -d $dn || mkdir -p $dn
 562          case $1 in
 563          /*) ;;
 564           *) while test $dn ; do
 565                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 566              done
 567              ;;
 568          esac
 569          ;;
 570     esac
 571
 572     ln -sfn $tgt $2 || ( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
 573 }
 574
 575 if test "$source_path_used" = "yes" ; then
 576   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
 577   for f in $FILES ; do
 578     fn_makelink $source_path $f
 579   done
 580 fi
 581
 582 # ---------------------------------------------------------------------------