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 prefix=""
  21 execprefix=""
  22 bindir=""
  23 libdir=""
  24 tccdir=""
  25 includedir=""
  26 mandir=""
  27 infodir=""
  28 sysroot=""
  29 cross_prefix=""
  30 cc="gcc"
  31 ar="ar"
  32 strip="strip"
  33 bigendian="no"
  34 mingw32="no"
  35 LIBSUF=".a"
  36 EXESUF=""
  37 DLLSUF=".so"
  38 tcc_sysincludepaths=""
  39 tcc_libpaths=""
  40 tcc_crtprefix=""
  41 tcc_elfinterp=""
  42 triplet=
  43 tcc_lddir=
  44 confvars=
  45 suggest="yes"
  46 cpu=
  47 cpuver=
  48 gcc_major=0
  49 gcc_minor=0
  50
  51 # OS specific
  52 targetos=`uname`
  53 case $targetos in
  54   Darwin)
  55     confvars="$confvars OSX"
  56     DLLSUF=".dylib"
  57     ;;
  58   MINGW*|MSYS*|CYGWIN*)
  59     confvars="$confvars WIN32"
  60     mingw32=yes
  61     ;;
  62   DragonFly|OpenBSD|FreeBSD|NetBSD)
  63     confvars="$confvars ldl=no"
  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 $opt | cut -d '=' -f 2`
 128   ;;
 129   --enable-mingw32) confvars="$confvars WIN32"; mingw32="yes"
 130   ;;
 131   --enable-cross) confvars="$confvars cross"
 132   ;;
 133   --disable-static) confvars="$confvars static=no"
 134   ;;
 135   --enable-static) confvars="$confvars static"
 136   ;;
 137   --disable-rpath) confvars="$confvars rpath=no"
 138   ;;
 139   --strip-binaries) confvars="$confvars strip"
 140   ;;
 141   --with-libgcc) confvars="$confvars libgcc"
 142   ;;
 143   --with-selinux) confvars="$confvars selinux"
 144   ;;
 145   --config-*) confvars="$confvars ${opt#--config-}"; suggest="no"
 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 "$cpu" in
 163   x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
 164     cpu="i386"
 165   ;;
 166   x86_64|amd64|x86-64)
 167     cpu="x86_64"
 168   ;;
 169   arm*)
 170     case "$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="arm"
 185   ;;
 186   aarch64)
 187     cpu="aarch64"
 188   ;;
 189   alpha)
 190     cpu="alpha"
 191   ;;
 192   "Power Macintosh"|ppc|ppc64)
 193     cpu="ppc"
 194   ;;
 195   mips)
 196     cpu="mips"
 197   ;;
 198   s390)
 199     cpu="s390"
 200   ;;
 201   *)
 202     echo "Unsupported CPU"
 203     exit 1
 204   ;;
 205 esac
 206
 207 # Checking for CFLAGS
 208 if test -z "$CFLAGS"; then
 209     CFLAGS="-Wall -g -O2"
 210 fi
 211
 212 if test "$mingw32" = "yes" ; then
 213     if test "$source_path_used" = "no"; then
 214       source_path="."
 215     fi
 216     if test "$cc" = gcc; then
 217       test -z "$LDFLAGS" && LDFLAGS="-static"
 218     fi
 219     if test x"$tccdir" = x""; then
 220       tccdir="tcc"
 221     fi
 222     if test -z "$prefix" ; then
 223       prefix="C:/Program Files/${tccdir}"
 224     fi
 225     if test -z "$sharedir" ; then
 226       sharedir="${prefix}"
 227     fi
 228     execprefix="$prefix"
 229     bindir="${prefix}"
 230     tccdir="${prefix}"
 231     libdir="${prefix}/lib"
 232     docdir="${sharedir}/doc"
 233     mandir="${sharedir}/man"
 234     infodir="${sharedir}/info"
 235     LIBSUF=".lib"
 236     EXESUF=".exe"
 237     DLLSUF=".dll"
 238 else
 239     if test -z "$prefix" ; then
 240       prefix="/usr/local"
 241     fi
 242     if test -z "$sharedir" ; then
 243       sharedir="${prefix}/share"
 244     fi
 245     if test x"$execprefix" = x""; then
 246       execprefix="${prefix}"
 247     fi
 248     if test x"$libdir" = x""; then
 249       libdir="${execprefix}/lib"
 250     fi
 251     if test x"$bindir" = x""; then
 252       bindir="${execprefix}/bin"
 253     fi
 254     if test x"$docdir" = x""; then
 255       docdir="${sharedir}/doc"
 256     fi
 257     if test x"$mandir" = x""; then
 258       mandir="${sharedir}/man"
 259     fi
 260     if test x"$infodir" = x""; then
 261       infodir="${sharedir}/info"
 262     fi
 263     if test x"$tccdir" = x""; then
 264       tccdir="${libdir}/tcc"
 265     fi
 266 fi # mingw32
 267
 268 if test x"$includedir" = x""; then
 269   includedir="${prefix}/include"
 270 fi
 271
 272 if test x"$show_help" = "xyes" ; then
 273 cat << EOF
 274 Usage: configure [options]
 275 Options: [defaults in brackets after descriptions]
 276
 277 Standard options:
 278   --help                   print this message
 279   --prefix=PREFIX          install in PREFIX [$prefix]
 280   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 281                            [same as prefix]
 282   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 283   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 284   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 285   --includedir=DIR         C header files in DIR [PREFIX/include]
 286   --sharedir=DIR           documentation root DIR [PREFIX/share]
 287   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 288   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 289   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 290
 291 Advanced options (experts only):
 292   --source-path=PATH       path of source code [$source_path]
 293   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 294   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 295   --cc=CC                  use C compiler CC [$cc]
 296   --ar=AR                  create archives using AR [$ar]
 297   --extra-cflags=          specify compiler flags [$CFLAGS]
 298   --extra-ldflags=         specify linker options []
 299   --cpu=CPU                CPU [$cpu]
 300   --strip-binaries         strip symbol tables from resulting binaries
 301   --disable-static         make libtcc.so instead of libtcc.a
 302   --enable-static          make libtcc.a instead of libtcc.dll (win32)
 303   --disable-rpath          disable use of -rpath with the above
 304   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a
 305   --enable-mingw32         build windows version on linux with mingw32
 306   --enable-cross           build cross compilers
 307   --with-selinux           use mmap for executable memory (with tcc -run)
 308   --sysincludepaths=...    specify system include paths, colon separated
 309   --libpaths=...           specify system library paths, colon separated
 310   --crtprefix=...          specify locations of crt?.o, colon separated
 311   --elfinterp=...          specify elf interpreter
 312   --triplet=...            specify system library/include directory triplet
 313   --config-uClibc,-musl... enable specific configuration for some systems
 314 EOF
 315 #echo "NOTE: The object files are build at the place where configure is launched"
 316 exit 1
 317 fi
 318
 319 cc="${cross_prefix}${cc}"
 320 ar="${cross_prefix}${ar}"
 321 strip="${cross_prefix}${strip}"
 322
 323 CONFTEST=./conftest$EXESUF
 324 if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 325   echo "configure: error: '$cc' failed to compile conftest.c."
 326 else
 327   gcc_major="$($CONFTEST version)"
 328   gcc_minor="$($CONFTEST minor)"
 329 fi
 330
 331 if test -z "$cross_prefix" ; then
 332   bigendian="$($CONFTEST bigendian)"
 333   if test "$mingw32" = "no" ; then
 334
 335       if test -z "$triplet"; then
 336         tt="$($CONFTEST triplet)"
 337         if test -n "$tt" -a -f "/usr/lib/$tt/crti.o" ; then
 338           triplet="$tt"
 339         fi
 340       fi
 341
 342       if test -z "$triplet"; then
 343         if test $cpu = "x86_64" -o $cpu = "aarch64" ; then
 344           if test -f "/usr/lib64/crti.o" ; then
 345             tcc_lddir="lib64"
 346           fi
 347         fi
 348       fi
 349
 350       if test "$cpu" = "arm" ; then
 351         if test "${triplet%eabihf}" != "$triplet" ; then
 352            confvars="$confvars arm_eabihf"
 353         elif test "${triplet%eabi}" != "$triplet" ; then
 354            confvars="$confvars arm_eabi"
 355         fi
 356         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 357            confvars="$confvars arm_vfp"
 358         fi
 359       fi
 360
 361       if test "$suggest" = "yes"; then
 362         if test -f "/lib/ld-uClibc.so.0" ; then
 363           echo "Perhaps you want ./configure --config-uClibc"
 364         fi
 365         if test -f "/lib/ld-musl-$cpu.so.1"; then
 366           echo "Perhaps you want ./configure --config-musl"
 367         fi
 368       fi
 369   fi
 370 else
 371   # if cross compiling, cannot launch a program, so make a static guess
 372   case $cpu in
 373     ppc|mips|s390)  bigendian=yes;;
 374   esac
 375 fi
 376
 377 if test "$bigendian" = "yes" ; then
 378   confvars="$confvars BIGENDIAN"
 379 fi
 380
 381 # a final configuration tuning
 382 if ! echo "$cc" | grep -q "tcc"; then
 383   OPT1="-Wdeclaration-after-statement -fno-strict-aliasing"
 384   # we want -Wno- but gcc does not always reject unknown -Wno- options
 385   OPT2="-Wpointer-sign -Wsign-compare -Wunused-result"
 386   if echo "$cc" | grep -q "clang"; then
 387     OPT1="$OPT1 -fheinous-gnu-extensions"
 388     OPT2="$OPT2 -Wstring-plus-int"
 389   fi
 390   $cc $OPT1 $OPT2 -o a.out -c -xc - < /dev/null > cc_msg.txt 2>&1
 391   for o in $OPT1; do # enable these options
 392     if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS $o"; fi
 393   done
 394   for o in $OPT2; do # disable these options
 395     if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS -Wno-${o#-W*}"; fi
 396   done
 397   # cat cc_msg.txt
 398   # echo $CFLAGS
 399   rm -f cc_msg.txt a.out
 400 fi
 401
 402 fcho() { if test -n "$2"; then echo "$1$2"; fi }
 403
 404 echo "Binary  directory   $bindir"
 405 echo "TinyCC directory    $tccdir"
 406 echo "Library directory   $libdir"
 407 echo "Include directory   $includedir"
 408 echo "Manual directory    $mandir"
 409 echo "Info directory      $infodir"
 410 echo "Doc directory       $docdir"
 411 fcho "Target root prefix  " "$sysroot"
 412 echo "Source path         $source_path"
 413 echo "C compiler          $cc ($gcc_major.$gcc_minor)"
 414 echo "Target OS           $targetos"
 415 echo "CPU                 $cpu"
 416 fcho "Triplet             " "$triplet"
 417 fcho "Config              " "${confvars# }"
 418 echo "Creating config.mak and config.h"
 419
 420 cat >config.mak <<EOF
 421 # Automatically generated by configure - do not modify
 422 prefix=$prefix
 423 bindir=\$(DESTDIR)$bindir
 424 tccdir=\$(DESTDIR)$tccdir
 425 libdir=\$(DESTDIR)$libdir
 426 includedir=\$(DESTDIR)$includedir
 427 mandir=\$(DESTDIR)$mandir
 428 infodir=\$(DESTDIR)$infodir
 429 docdir=\$(DESTDIR)$docdir
 430 CC=$cc
 431 GCC_MAJOR=$gcc_major
 432 GCC_MINOR=$gcc_minor
 433 AR=$ar
 434 STRIP=$strip -s -R .comment -R .note
 435 CFLAGS=$CFLAGS
 436 LDFLAGS=$LDFLAGS
 437 LIBSUF=$LIBSUF
 438 EXESUF=$EXESUF
 439 DLLSUF=$DLLSUF
 440 EOF
 441
 442 print_inc() {
 443   if test -n "$2"; then
 444     echo "#ifndef $1" >> $TMPH
 445     echo "# define $1 \"$2\"" >> $TMPH
 446     echo "#endif" >> $TMPH
 447   fi
 448 }
 449
 450 print_mak() {
 451   if test -n "$2"; then
 452     echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
 453   fi
 454 }
 455
 456 print_mak_int() {
 457   if test -n "$2"; then
 458     echo "NATIVE_DEFINES+=-D$1=$2" >> config.mak
 459   fi
 460 }
 461
 462 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 463
 464 print_inc CONFIG_SYSROOT "$sysroot"
 465 print_inc CONFIG_TCCDIR "$tccdir"
 466 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 467 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 468 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 469 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 470 print_mak CONFIG_LDDIR "$tcc_lddir"
 471 print_mak CONFIG_TRIPLET "$triplet"
 472 print_mak_int TCC_CPU_VERSION "$cpuver"
 473
 474 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 475 echo "#define GCC_MINOR $gcc_minor" >> $TMPH
 476 if test "$cpu" = "aarch64" ; then
 477   echo "ARCH=arm64" >> config.mak
 478 else
 479   echo "ARCH=$cpu" >> config.mak
 480 fi
 481 echo "TARGETOS=$targetos" >> config.mak
 482
 483 for v in $confvars ; do
 484   if test "${v%=*}" = "$v"; then
 485     echo "CONFIG_$v=yes" >> config.mak
 486   else
 487     echo "CONFIG_$v" >> config.mak
 488   fi
 489 done
 490
 491 version=`head $source_path/VERSION`
 492 echo "VERSION = $version" >> config.mak
 493 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 494 echo "@set VERSION $version" > config.texi
 495
 496 if test "$source_path_used" = "yes" ; then
 497     case $source_path in
 498        /*) echo "TOPSRC=$source_path";;
 499         *) echo "TOPSRC=\$(TOP)/$source_path";;
 500      esac >>config.mak
 501 else
 502      echo 'TOPSRC=$(TOP)' >>config.mak
 503 fi
 504
 505 diff $TMPH config.h >/dev/null 2>&1
 506 if test $? -ne 0 ; then
 507     mv -f $TMPH config.h
 508 else
 509     echo "config.h is unchanged"
 510 fi
 511
 512 rm -f $TMPN* $CONFTEST
 513
 514 # ---------------------------------------------------------------------------
 515 # build tree in object directory if source path is different from current one
 516
 517 fn_makelink()
 518 {
 519     tgt=$1/$2
 520     case $2 in
 521     */*) dn=${2%/*}
 522          test -d $dn || mkdir -p $dn
 523          case $1 in
 524          /*) ;;
 525           *) while test $dn ; do
 526                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 527              done
 528              ;;
 529          esac
 530          ;;
 531     esac
 532
 533     ln -sfn $tgt $2 || ( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
 534 }
 535
 536 if test "$source_path_used" = "yes" ; then
 537   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
 538   for f in $FILES ; do
 539     fn_makelink $source_path $f
 540   done
 541 fi
 542
 543 # ---------------------------------------------------------------------------