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 bigendian="no"
  33 mingw32="no"
  34 LIBSUF=".a"
  35 EXESUF=""
  36 DLLSUF=".so"
  37 tcc_usrinclude=""
  38 tcc_sysincludepaths=""
  39 tcc_libpaths=""
  40 tcc_crtprefix=""
  41 tcc_elfinterp=""
  42 triplet=
  43 tcc_lddir=
  44 confvars=
  45 suggest="yes"
  46 gcc_major=0
  47 gcc_minor=0
  48 cc_name="gcc"
  49 ar_set=
  50 darwin=
  51 cpu=
  52 cpuver=
  53
  54 # OS specific
  55 cpu_sys=`uname -m`
  56 targetos=`uname`
  57
  58 case $targetos in
  59   Darwin)
  60     darwin=yes
  61     confvars="$confvars OSX dll=no"
  62     cc=`which cc`
  63     cc=`readlink $cc || echo clang`
  64     tcc_usrinclude="`xcrun --show-sdk-path`/usr/include"
  65     DLLSUF=".dylib"
  66     ;;
  67   Windows_NT|MINGW*|MSYS*|CYGWIN*)
  68     mingw32=yes
  69     targetos=WIN32
  70     ;;
  71   DragonFly|OpenBSD|FreeBSD|NetBSD)
  72     confvars="$confvars BSD ldl=no"
  73     ;;
  74   *)
  75     ;;
  76 esac
  77
  78 # find source path
  79 source_path=${0%configure}
  80 source_path=${source_path%/}
  81 source_path_used="yes"
  82 if test -z "$source_path" -o "$source_path" = "." ; then
  83     source_path=`pwd`
  84     source_path_used="no"
  85 fi
  86
  87 for opt do
  88   eval opt=\"$opt\"
  89   case "$opt" in
  90   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  91   ;;
  92   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
  93   ;;
  94   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
  95   ;;
  96   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
  97   ;;
  98   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
  99   ;;
 100   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 101   ;;
 102   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 103   ;;
 104   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 105   ;;
 106   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 107   ;;
 108   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 109   ;;
 110   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 111   ;;
 112   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 113   ;;
 114   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 115   ;;
 116   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 117   ;;
 118   --ar=*) ar=`echo $opt | cut -d '=' -f 2` ; ar_set="yes"
 119   ;;
 120   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 121   ;;
 122   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 123   ;;
 124   --extra-libs=*) extralibs="${opt#--extra-libs=}"
 125   ;;
 126   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 127   ;;
 128   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 129   ;;
 130   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 131   ;;
 132   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 133   ;;
 134   --triplet=*) triplet=`echo $opt | cut -d '=' -f 2`
 135   ;;
 136   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 137   ;;
 138   --enable-cross) confvars="$confvars cross"
 139   ;;
 140   --disable-static) confvars="$confvars static=no"
 141   ;;
 142   --enable-static) confvars="$confvars static"
 143   ;;
 144   --disable-rpath) confvars="$confvars rpath=no"
 145   ;;
 146   --debug) confvars="$confvars debug"
 147   ;;
 148   --with-libgcc) confvars="$confvars libgcc"
 149   ;;
 150   --with-selinux) confvars="$confvars selinux"
 151   ;;
 152   --config-mingw32*) mingw32=$(echo "$opt=yes" | cut -d '=' -f 2)
 153   ;;
 154   --config-*) confvars="$confvars ${opt#--config-}"; suggest="no"
 155   ;;
 156   --help|-h) show_help="yes"
 157   ;;
 158   *) echo "configure: WARNING: unrecognized option $opt"
 159   ;;
 160   esac
 161 done
 162
 163 cc="${cross_prefix}${cc}"
 164 ar="${cross_prefix}${ar}"
 165
 166 # Checking for CFLAGS
 167 test -z "$CFLAGS" && CFLAGS="-Wall -O2"
 168
 169 # on OSX M1 with --cpu=x86_64, build a tcc to run under rosetta entirely
 170 if test "$darwin" = "yes" -a "$cpu" = "x86_64" -a "$cpu_sys" = "arm64"; then
 171     CFLAGS="$CFLAGS -arch $cpu"
 172     LDFLAGS="$LDFLAGS -arch $cpu"
 173 fi
 174
 175 # checking for cpu
 176 test -z "$cpu" && cpu="$cpu_sys"
 177
 178 case "$cpu" in
 179   x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
 180     cpu="i386"
 181   ;;
 182   x86_64|amd64|x86-64)
 183     cpu="x86_64"
 184   ;;
 185   evbarm)
 186     case "`uname -p`" in
 187       aarch64|arm64)
 188         cpu="arm64"
 189         ;;
 190       earmv*)
 191         cpu="arm"
 192         ;;
 193     esac
 194   ;;
 195   aarch64|arm64|evbarm)
 196     cpu="arm64"
 197   ;;
 198   arm*)
 199     case "$cpu" in
 200       arm|armv4l)
 201         cpuver=4
 202       ;;
 203       armv5tel|armv5tejl)
 204         cpuver=5
 205       ;;
 206       armv6j|armv6l)
 207         cpuver=6
 208       ;;
 209       armv7|armv7a|armv7l)
 210         cpuver=7
 211       ;;
 212     esac
 213     cpu="arm"
 214   ;;
 215   alpha)
 216     cpu="alpha"
 217   ;;
 218   "Power Macintosh"|ppc|ppc64)
 219     cpu="ppc"
 220   ;;
 221   mips)
 222     cpu="mips"
 223   ;;
 224   s390)
 225     cpu="s390"
 226   ;;
 227   riscv64)
 228     cpu="riscv64"
 229   ;;
 230   *)
 231     echo "Unsupported CPU"
 232     exit 1
 233   ;;
 234 esac
 235
 236 if test "$mingw32" = "yes" ; then
 237     if test "$source_path_used" = "no"; then
 238       source_path="."
 239     fi
 240     test -z "$prefix" && prefix="C:/Program Files/tcc"
 241     test -z "$tccdir" && tccdir="${prefix}" && tccdir_auto="yes"
 242     test -z "$bindir" && bindir="${tccdir}"
 243     test -z "$docdir" && docdir="${tccdir}/doc"
 244     test -z "$libdir" && libdir="${tccdir}/libtcc"
 245     confvars="$confvars WIN32"
 246     LIBSUF=".lib"
 247     EXESUF=".exe"
 248     DLLSUF=".dll"
 249 else
 250     if test -z "$prefix" ; then
 251       prefix="/usr/local"
 252     fi
 253     if test -z "$sharedir" ; then
 254       sharedir="${prefix}/share"
 255     fi
 256     if test x"$execprefix" = x""; then
 257       execprefix="${prefix}"
 258     fi
 259     if test x"$libdir" = x""; then
 260       libdir="${execprefix}/lib"
 261     fi
 262     if test x"$bindir" = x""; then
 263       bindir="${execprefix}/bin"
 264     fi
 265     if test x"$docdir" = x""; then
 266       docdir="${sharedir}/doc"
 267     fi
 268     if test x"$mandir" = x""; then
 269       mandir="${sharedir}/man"
 270     fi
 271     if test x"$infodir" = x""; then
 272       infodir="${sharedir}/info"
 273     fi
 274     if test x"$tccdir" = x""; then
 275       tccdir="${libdir}/tcc"
 276     fi
 277     if test x"$includedir" = x""; then
 278       includedir="${prefix}/include"
 279     fi
 280 fi # mingw32
 281
 282 if test x"$show_help" = "xyes" ; then
 283 cat << EOF
 284 Usage: configure [options]
 285 Options: [defaults in brackets after descriptions]
 286
 287 Standard options:
 288   --help                   print this message
 289   --prefix=PREFIX          install in PREFIX [$prefix]
 290   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 291                            [same as prefix]
 292   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 293   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 294   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 295   --includedir=DIR         C header files in DIR [PREFIX/include]
 296   --sharedir=DIR           documentation root DIR [PREFIX/share]
 297   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 298   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 299   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 300
 301 Advanced options (experts only):
 302   --source-path=PATH       path of source code [$source_path]
 303   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 304   --sysroot=PREFIX         prepend PREFIX to library/include paths [$sysroot]
 305   --cc=CC                  use C compiler CC [$cc]
 306   --ar=AR                  create archives using AR [$ar]
 307   --extra-cflags=          specify compiler flags [$CFLAGS]
 308   --extra-ldflags=         specify linker options [$LDFLAGS]
 309   --cpu=CPU                CPU [$cpu]
 310
 311   --debug                  include debug info with resulting binaries
 312   --disable-static         make libtcc.so instead of libtcc.a
 313   --enable-static          make libtcc.a instead of libtcc.dll (win32)
 314   --disable-rpath          disable use of -rpath with libtcc.so
 315   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a
 316   --with-selinux           use mmap for executable memory (tcc -run)
 317   --enable-cross           build cross compilers (see also 'make help')
 318
 319   --sysincludepaths=...    specify system include paths, colon separated
 320   --libpaths=...           specify system library paths, colon separated
 321   --crtprefix=...          specify locations of crt?.o, colon separated
 322   --elfinterp=...          specify elf interpreter
 323   --triplet=...            specify system library/include directory triplet
 324
 325   --config-uClibc,-musl    enable system specific configurations
 326   --config-mingw32         build on windows using msys, busybox, etc.
 327   --config-backtrace=no    disable stack backtraces (with -run or -bt)
 328   --config-bcheck=no       disable bounds checker (-b)
 329   --config-predefs=no      do not compile tccdefs.h, instead just include
 330 EOF
 331 exit 1
 332 fi
 333
 334 if test -z "$cross_prefix" ; then
 335   CONFTEST=./conftest$EXESUF
 336   if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 337     echo "configure: error: '$cc' failed to compile conftest.c."
 338   else
 339     cc_name="$($CONFTEST compiler)"
 340     gcc_major="$($CONFTEST version)"
 341     gcc_minor="$($CONFTEST minor)"
 342     bigendian="$($CONFTEST bigendian)"
 343     _triplet="$($CONFTEST triplet)"
 344   fi
 345   if test "$mingw32" = "no" ; then
 346
 347       if test -z "$triplet"; then
 348         if test -n "$_triplet" -a -f "/usr/lib/$_triplet/crti.o" ; then
 349           triplet="$_triplet"
 350         fi
 351       fi
 352
 353       if test -z "$triplet"; then
 354         if test $cpu = "x86_64" -o $cpu = "arm64" -o $cpu = "riscv64" ; then
 355           if test -f "/usr/lib64/crti.o" ; then
 356             tcc_lddir="lib64"
 357           fi
 358         fi
 359       fi
 360
 361       if test "$cpu" = "arm" ; then
 362         if test "${triplet%eabihf}" != "$triplet" ; then
 363            confvars="$confvars arm_eabihf arm_vfp"
 364         elif test "${triplet%eabi}" != "$triplet" ; then
 365            confvars="$confvars arm_eabi arm_vfp"
 366         elif test "${_triplet%eabihf}" != "$_triplet" ; then
 367            confvars="$confvars arm_eabihf arm_vfp"
 368         elif test "${_triplet%eabi}" != "$_triplet" ; then
 369            confvars="$confvars arm_eabi arm_vfp"
 370         fi
 371         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 372            confvars="$confvars arm_vfp"
 373         fi
 374       fi
 375
 376       if test "$suggest" = "yes"; then
 377         if test -f "/lib/ld-uClibc.so.0" ; then
 378           echo "Perhaps you want ./configure --config-uClibc"
 379         fi
 380         if test -f "/lib/ld-musl-$cpu.so.1"; then
 381           echo "Perhaps you want ./configure --config-musl"
 382         fi
 383       fi
 384   else # mingw32 = yes
 385       if test "$cc_name" = "gcc"; then
 386         # avoid mingw dependencies such as 'libgcc_s_dw2-1.dll'
 387         test -z "$LDFLAGS" && LDFLAGS="-static"
 388       fi
 389   fi
 390 else
 391   # if cross compiling, cannot launch a program, so make a static guess
 392   case $cpu in
 393     ppc|mips|s390)  bigendian=yes;;
 394   esac
 395 fi
 396
 397 if test "$bigendian" = "yes" ; then
 398   confvars="$confvars BIGENDIAN"
 399 fi
 400
 401 # a final configuration tuning
 402 if test "$cc_name" != "tcc"; then
 403   OPT1="-Wdeclaration-after-statement -fno-strict-aliasing"
 404   # we want -Wno- but gcc does not always reject unknown -Wno- options
 405   OPT2="-Wpointer-sign -Wsign-compare -Wunused-result -Wformat-truncation"
 406   if test "$cc_name" = "clang"; then
 407     OPT1="$OPT1 -fheinous-gnu-extensions"
 408     OPT2="$OPT2 -Wstring-plus-int"
 409   fi
 410   $cc $OPT1 $OPT2 -o a.out -c -xc - < /dev/null > cc_msg.txt 2>&1
 411   for o in $OPT1; do # enable these options
 412     if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS $o"; fi
 413   done
 414   for o in $OPT2; do # disable these options
 415     if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS -Wno-${o#-W*}"; fi
 416   done
 417   # cat cc_msg.txt
 418   # echo $CFLAGS
 419   rm -f cc_msg.txt a.out
 420 else # cc is tcc
 421   test "$ar_set" || ar="$cc -ar"
 422 fi
 423
 424 fcho() { if test -n "$2"; then echo "$1$2"; fi }
 425
 426 fcho "Binary directory    " "$bindir"
 427 fcho "TinyCC directory    " "$tccdir"
 428 fcho "Library directory   " "$libdir"
 429 fcho "Include directory   " "$includedir"
 430 fcho "Manual directory    " "$mandir"
 431 fcho "Info directory      " "$infodir"
 432 fcho "Doc directory       " "$docdir"
 433 fcho "Target root prefix  " "$sysroot"
 434 fcho "/usr/include dir    " "$tcc_usrinclude"
 435 echo "Source path         $source_path"
 436 echo "C compiler          $cc ($gcc_major.$gcc_minor)"
 437 echo "Target OS           $targetos"
 438 echo "CPU                 $cpu"
 439 fcho "Triplet             " "$triplet"
 440 fcho "Config              " "${confvars# }"
 441 echo "Creating config.mak and config.h"
 442
 443 cat >config.mak <<EOF
 444 # Automatically generated by configure - do not modify
 445 prefix=$prefix
 446 bindir=\$(DESTDIR)$bindir
 447 tccdir=\$(DESTDIR)$tccdir
 448 libdir=\$(DESTDIR)$libdir
 449 includedir=\$(DESTDIR)$includedir
 450 mandir=\$(DESTDIR)$mandir
 451 infodir=\$(DESTDIR)$infodir
 452 docdir=\$(DESTDIR)$docdir
 453 CC=$cc
 454 CC_NAME=$cc_name
 455 GCC_MAJOR=$gcc_major
 456 GCC_MINOR=$gcc_minor
 457 AR=$ar
 458 CFLAGS=$CFLAGS
 459 LDFLAGS=$LDFLAGS
 460 LIBSUF=$LIBSUF
 461 EXESUF=$EXESUF
 462 DLLSUF=$DLLSUF
 463 EOF
 464
 465 print_inc() {
 466   local v="$2"
 467   if test -n "$v"; then
 468     test "$3" = "num" || v="\"$v\""
 469     echo "#ifndef $1" >> $TMPH
 470     echo "# define $1 $v" >> $TMPH
 471     echo "#endif" >> $TMPH
 472   fi
 473 }
 474
 475 print_mak() {
 476   local v="$2"
 477   if test -n "$v"; then
 478     test "$3" = "num" || v="\"\\\"$v\\\"\""
 479     echo "NATIVE_DEFINES+=-D$1=$v" >> config.mak
 480   fi
 481 }
 482
 483 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 484
 485 print_inc CONFIG_SYSROOT "$sysroot"
 486 test "$tccdir_auto" = "yes" || print_inc CONFIG_TCCDIR "$tccdir"
 487 print_mak CONFIG_USR_INCLUDE "$tcc_usrinclude"
 488 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 489 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 490 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 491 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 492 print_mak CONFIG_LDDIR "$tcc_lddir"
 493 print_mak CONFIG_TRIPLET "$triplet"
 494 print_mak TCC_CPU_VERSION "$cpuver" num
 495
 496 echo "ARCH=$cpu" >> config.mak
 497 echo "TARGETOS=$targetos" >> config.mak
 498
 499 predefs="1"
 500 for v in $confvars ; do
 501   test "$v" = "predefs=no" && predefs=""
 502   if test "${v%=*}" = "$v"; then
 503     echo "CONFIG_$v=yes" >> config.mak
 504   else
 505     echo "CONFIG_$v" >> config.mak
 506   fi
 507 done
 508 print_inc CONFIG_TCC_PREDEFS "$predefs" num
 509
 510 version=`head $source_path/VERSION`
 511 echo "VERSION = $version" >> config.mak
 512 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 513 echo "@set VERSION $version" > config.texi
 514
 515 if test "$source_path_used" = "yes" ; then
 516     case $source_path in
 517        /*) echo "TOPSRC=$source_path";;
 518         *) echo "TOPSRC=\$(TOP)/$source_path";;
 519      esac >>config.mak
 520 else
 521      echo 'TOPSRC=$(TOP)' >>config.mak
 522 fi
 523 cat >>$TMPH <<EOF
 524 #define GCC_MAJOR $gcc_major
 525 #define GCC_MINOR $gcc_minor
 526 #define CC_NAME CC_${cc_name}
 527 EOF
 528
 529 diff $TMPH config.h >/dev/null 2>&1
 530 if test $? -ne 0 ; then
 531     mv -f $TMPH config.h
 532 else
 533     echo "config.h is unchanged"
 534 fi
 535
 536 rm -f $TMPN* $CONFTEST
 537
 538 # ---------------------------------------------------------------------------
 539 # build tree in object directory if source path is different from current one
 540
 541 fn_makelink()
 542 {
 543     tgt=$1/$2
 544     case $2 in
 545     */*) dn=${2%/*}
 546          test -d $dn || mkdir -p $dn
 547          case $1 in
 548          /*) ;;
 549           *) while test $dn ; do
 550                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 551              done
 552              ;;
 553          esac
 554          ;;
 555     esac
 556
 557     ln -sfn $tgt $2 || ( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
 558 }
 559
 560 if test "$source_path_used" = "yes" ; then
 561   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
 562   for f in $FILES ; do
 563     fn_makelink $source_path $f
 564   done
 565 fi
 566
 567 # ---------------------------------------------------------------------------