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     mingw32=yes
  60     ;;
  61   DragonFly|OpenBSD|FreeBSD|NetBSD)
  62     confvars="$confvars ldl=no"
  63     ;;
  64   *)
  65     ;;
  66 esac
  67
  68 # find source path
  69 source_path=${0%configure}
  70 source_path=${source_path%/}
  71 source_path_used="yes"
  72 if test -z "$source_path" -o "$source_path" = "." ; then
  73     source_path=`pwd`
  74     source_path_used="no"
  75 fi
  76
  77 for opt do
  78   eval opt=\"$opt\"
  79   case "$opt" in
  80   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  81   ;;
  82   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
  83   ;;
  84   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
  85   ;;
  86   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
  87   ;;
  88   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
  89   ;;
  90   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
  91   ;;
  92   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
  93   ;;
  94   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
  95   ;;
  96   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
  97   ;;
  98   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
  99   ;;
 100   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 101   ;;
 102   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 103   ;;
 104   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 105   ;;
 106   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 107   ;;
 108   --ar=*) ar=`echo $opt | cut -d '=' -f 2`
 109   ;;
 110   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 111   ;;
 112   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 113   ;;
 114   --extra-libs=*) extralibs="${opt#--extra-libs=}"
 115   ;;
 116   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 117   ;;
 118   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 119   ;;
 120   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 121   ;;
 122   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 123   ;;
 124   --triplet=*) triplet=`echo $opt | cut -d '=' -f 2`
 125   ;;
 126   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 127   ;;
 128   --enable-cross) confvars="$confvars cross"
 129   ;;
 130   --disable-static) confvars="$confvars static=no"
 131   ;;
 132   --enable-static) confvars="$confvars static"
 133   ;;
 134   --disable-rpath) confvars="$confvars rpath=no"
 135   ;;
 136   --strip-binaries) confvars="$confvars strip"
 137   ;;
 138   --with-libgcc) confvars="$confvars libgcc"
 139   ;;
 140   --with-selinux) confvars="$confvars selinux"
 141   ;;
 142   --config-mingw32*) mingw32=$(echo "$opt=yes" | cut -d '=' -f 2)
 143   ;;
 144   --config-*) confvars="$confvars ${opt#--config-}"; suggest="no"
 145   ;;
 146   --help|-h) show_help="yes"
 147   ;;
 148   *) echo "configure: WARNING: unrecognized option $opt"
 149   ;;
 150   esac
 151 done
 152
 153 if test -z "$cpu" ; then
 154     if test -n "$ARCH" ; then
 155         cpu="$ARCH"
 156     else
 157         cpu=`uname -m`
 158     fi
 159 fi
 160
 161 case "$cpu" in
 162   x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
 163     cpu="i386"
 164   ;;
 165   x86_64|amd64|x86-64)
 166     cpu="x86_64"
 167   ;;
 168   arm*)
 169     case "$cpu" in
 170       arm|armv4l)
 171         cpuver=4
 172       ;;
 173       armv5tel|armv5tejl)
 174         cpuver=5
 175       ;;
 176       armv6j|armv6l)
 177         cpuver=6
 178       ;;
 179       armv7a|armv7l)
 180         cpuver=7
 181       ;;
 182     esac
 183     cpu="arm"
 184   ;;
 185   aarch64)
 186     cpu="aarch64"
 187   ;;
 188   alpha)
 189     cpu="alpha"
 190   ;;
 191   "Power Macintosh"|ppc|ppc64)
 192     cpu="ppc"
 193   ;;
 194   mips)
 195     cpu="mips"
 196   ;;
 197   s390)
 198     cpu="s390"
 199   ;;
 200   *)
 201     echo "Unsupported CPU"
 202     exit 1
 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 "$LDFLAGS" && LDFLAGS="-static"
 217     fi
 218     test -z "$prefix" && prefix="C:/Program Files/tcc"
 219     test -z "$tccdir" && tccdir="${prefix}"
 220     test -z "$bindir" && bindir="${tccdir}"
 221     test -z "$docdir" && docdir="${tccdir}/doc"
 222     test -z "$libdir" && libdir="${tccdir}/libtcc"
 223     confvars="$confvars WIN32"
 224     LIBSUF=".lib"
 225     EXESUF=".exe"
 226     DLLSUF=".dll"
 227 else
 228     if test -z "$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     if test x"$includedir" = x""; then
 256       includedir="${prefix}/include"
 257     fi
 258 fi # mingw32
 259
 260 if test x"$show_help" = "xyes" ; then
 261 cat << EOF
 262 Usage: configure [options]
 263 Options: [defaults in brackets after descriptions]
 264
 265 Standard options:
 266   --help                   print this message
 267   --prefix=PREFIX          install in PREFIX [$prefix]
 268   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 269                            [same as prefix]
 270   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 271   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 272   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 273   --includedir=DIR         C header files in DIR [PREFIX/include]
 274   --sharedir=DIR           documentation root DIR [PREFIX/share]
 275   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 276   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 277   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 278
 279 Advanced options (experts only):
 280   --source-path=PATH       path of source code [$source_path]
 281   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 282   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 283   --cc=CC                  use C compiler CC [$cc]
 284   --ar=AR                  create archives using AR [$ar]
 285   --extra-cflags=          specify compiler flags [$CFLAGS]
 286   --extra-ldflags=         specify linker options []
 287   --cpu=CPU                CPU [$cpu]
 288   --strip-binaries         strip symbol tables from resulting binaries
 289   --disable-static         make libtcc.so instead of libtcc.a
 290   --enable-static          make libtcc.a instead of libtcc.dll (win32)
 291   --disable-rpath          disable use of -rpath with the above
 292   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a
 293   --enable-cross           build cross compilers
 294   --with-selinux           use mmap for executable memory (with tcc -run)
 295   --sysincludepaths=...    specify system include paths, colon separated
 296   --libpaths=...           specify system library paths, colon separated
 297   --crtprefix=...          specify locations of crt?.o, colon separated
 298   --elfinterp=...          specify elf interpreter
 299   --triplet=...            specify system library/include directory triplet
 300   --config-uClibc,-musl,-mingw32... enable system specific configurations
 301 EOF
 302 #echo "NOTE: The object files are build at the place where configure is launched"
 303 exit 1
 304 fi
 305
 306 cc="${cross_prefix}${cc}"
 307 ar="${cross_prefix}${ar}"
 308 strip="${cross_prefix}${strip}"
 309
 310 if test -z "$cross_prefix" ; then
 311   CONFTEST=./conftest$EXESUF
 312   if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 313     echo "configure: error: '$cc' failed to compile conftest.c."
 314   else
 315     gcc_major="$($CONFTEST version)"
 316     gcc_minor="$($CONFTEST minor)"
 317   fi
 318   bigendian="$($CONFTEST bigendian)"
 319   if test "$mingw32" = "no" ; then
 320
 321       if test -z "$triplet"; then
 322         tt="$($CONFTEST triplet)"
 323         if test -n "$tt" -a -f "/usr/lib/$tt/crti.o" ; then
 324           triplet="$tt"
 325         fi
 326       fi
 327
 328       if test -z "$triplet"; then
 329         if test $cpu = "x86_64" -o $cpu = "aarch64" ; then
 330           if test -f "/usr/lib64/crti.o" ; then
 331             tcc_lddir="lib64"
 332           fi
 333         fi
 334       fi
 335
 336       if test "$cpu" = "arm" ; then
 337         if test "${triplet%eabihf}" != "$triplet" ; then
 338            confvars="$confvars arm_eabihf"
 339         elif test "${triplet%eabi}" != "$triplet" ; then
 340            confvars="$confvars arm_eabi"
 341         fi
 342         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 343            confvars="$confvars arm_vfp"
 344         fi
 345       fi
 346
 347       if test "$suggest" = "yes"; then
 348         if test -f "/lib/ld-uClibc.so.0" ; then
 349           echo "Perhaps you want ./configure --config-uClibc"
 350         fi
 351         if test -f "/lib/ld-musl-$cpu.so.1"; then
 352           echo "Perhaps you want ./configure --config-musl"
 353         fi
 354       fi
 355   fi
 356 else
 357   # if cross compiling, cannot launch a program, so make a static guess
 358   case $cpu in
 359     ppc|mips|s390)  bigendian=yes;;
 360   esac
 361 fi
 362
 363 if test "$bigendian" = "yes" ; then
 364   confvars="$confvars BIGENDIAN"
 365 fi
 366
 367 # a final configuration tuning
 368 if ! echo "$cc" | grep -q "tcc"; then
 369   OPT1="-Wdeclaration-after-statement -fno-strict-aliasing"
 370   # we want -Wno- but gcc does not always reject unknown -Wno- options
 371   OPT2="-Wpointer-sign -Wsign-compare -Wunused-result"
 372   if echo "$cc" | grep -q "clang"; then
 373     OPT1="$OPT1 -fheinous-gnu-extensions"
 374     OPT2="$OPT2 -Wstring-plus-int"
 375   fi
 376   $cc $OPT1 $OPT2 -o a.out -c -xc - < /dev/null > cc_msg.txt 2>&1
 377   for o in $OPT1; do # enable these options
 378     if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS $o"; fi
 379   done
 380   for o in $OPT2; do # disable these options
 381     if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS -Wno-${o#-W*}"; fi
 382   done
 383   # cat cc_msg.txt
 384   # echo $CFLAGS
 385   rm -f cc_msg.txt a.out
 386 fi
 387
 388 fcho() { if test -n "$2"; then echo "$1$2"; fi }
 389
 390 fcho "Binary directory    " "$bindir"
 391 fcho "TinyCC directory    " "$tccdir"
 392 fcho "Library directory   " "$libdir"
 393 fcho "Include directory   " "$includedir"
 394 fcho "Manual directory    " "$mandir"
 395 fcho "Info directory      " "$infodir"
 396 fcho "Doc directory       " "$docdir"
 397 fcho "Target root prefix  " "$sysroot"
 398 echo "Source path         $source_path"
 399 echo "C compiler          $cc ($gcc_major.$gcc_minor)"
 400 echo "Target OS           $targetos"
 401 echo "CPU                 $cpu"
 402 fcho "Triplet             " "$triplet"
 403 fcho "Config              " "${confvars# }"
 404 echo "Creating config.mak and config.h"
 405
 406 cat >config.mak <<EOF
 407 # Automatically generated by configure - do not modify
 408 prefix=$prefix
 409 bindir=\$(DESTDIR)$bindir
 410 tccdir=\$(DESTDIR)$tccdir
 411 libdir=\$(DESTDIR)$libdir
 412 includedir=\$(DESTDIR)$includedir
 413 mandir=\$(DESTDIR)$mandir
 414 infodir=\$(DESTDIR)$infodir
 415 docdir=\$(DESTDIR)$docdir
 416 CC=$cc
 417 GCC_MAJOR=$gcc_major
 418 GCC_MINOR=$gcc_minor
 419 AR=$ar
 420 STRIP=$strip -s -R .comment -R .note
 421 CFLAGS=$CFLAGS
 422 LDFLAGS=$LDFLAGS
 423 LIBSUF=$LIBSUF
 424 EXESUF=$EXESUF
 425 DLLSUF=$DLLSUF
 426 EOF
 427
 428 print_inc() {
 429   if test -n "$2"; then
 430     echo "#ifndef $1" >> $TMPH
 431     echo "# define $1 \"$2\"" >> $TMPH
 432     echo "#endif" >> $TMPH
 433   fi
 434 }
 435
 436 print_mak() {
 437   if test -n "$2"; then
 438     echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
 439   fi
 440 }
 441
 442 print_mak_int() {
 443   if test -n "$2"; then
 444     echo "NATIVE_DEFINES+=-D$1=$2" >> config.mak
 445   fi
 446 }
 447
 448 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 449
 450 print_inc CONFIG_SYSROOT "$sysroot"
 451 print_inc CONFIG_TCCDIR "$tccdir"
 452 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 453 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 454 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 455 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 456 print_mak CONFIG_LDDIR "$tcc_lddir"
 457 print_mak CONFIG_TRIPLET "$triplet"
 458 print_mak_int TCC_CPU_VERSION "$cpuver"
 459
 460 if test "$cpu" = "aarch64" ; then
 461   echo "ARCH=arm64" >> config.mak
 462 else
 463   echo "ARCH=$cpu" >> config.mak
 464 fi
 465 echo "TARGETOS=$targetos" >> config.mak
 466
 467 for v in $confvars ; do
 468   if test "${v%=*}" = "$v"; then
 469     echo "CONFIG_$v=yes" >> config.mak
 470   else
 471     echo "CONFIG_$v" >> config.mak
 472   fi
 473 done
 474
 475 version=`head $source_path/VERSION`
 476 echo "VERSION = $version" >> config.mak
 477 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 478 echo "@set VERSION $version" > config.texi
 479
 480 if test "$source_path_used" = "yes" ; then
 481     case $source_path in
 482        /*) echo "TOPSRC=$source_path";;
 483         *) echo "TOPSRC=\$(TOP)/$source_path";;
 484      esac >>config.mak
 485 else
 486      echo 'TOPSRC=$(TOP)' >>config.mak
 487 fi
 488
 489 diff $TMPH config.h >/dev/null 2>&1
 490 if test $? -ne 0 ; then
 491     mv -f $TMPH config.h
 492 else
 493     echo "config.h is unchanged"
 494 fi
 495
 496 rm -f $TMPN* $CONFTEST
 497
 498 # ---------------------------------------------------------------------------
 499 # build tree in object directory if source path is different from current one
 500
 501 fn_makelink()
 502 {
 503     tgt=$1/$2
 504     case $2 in
 505     */*) dn=${2%/*}
 506          test -d $dn || mkdir -p $dn
 507          case $1 in
 508          /*) ;;
 509           *) while test $dn ; do
 510                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 511              done
 512              ;;
 513          esac
 514          ;;
 515     esac
 516
 517     ln -sfn $tgt $2 || ( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
 518 }
 519
 520 if test "$source_path_used" = "yes" ; then
 521   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
 522   for f in $FILES ; do
 523     fn_makelink $source_path $f
 524   done
 525 fi
 526
 527 # ---------------------------------------------------------------------------