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=$TMPN.h
  18
  19 # default parameters
  20 prefix=""
  21 execprefix=""
  22 bindir=""
  23 libdir=""
  24 tccdir=""
  25 includedir=""
  26 mandir=""
  27 infodir=""
  28 sysroot=""
  29 cross_prefix=""
  30 test -z "$CC" && CC="gcc"
  31 test -z "$cc" && cc="$CC"
  32 ar="ar"
  33 bigendian="no"
  34 mingw32="no"
  35 LIBSUF=".a"
  36 EXESUF=""
  37 DLLSUF=".so"
  38 tcc_usrinclude=""
  39 tcc_sysincludepaths=""
  40 tcc_libpaths=""
  41 tcc_crtprefix=""
  42 tcc_elfinterp=""
  43 triplet=
  44 tcc_lddir=
  45 confvars=
  46 suggest="yes"
  47 gcc_major=0
  48 gcc_minor=0
  49 cc_name="$cc"
  50 ar_set=
  51 darwin=
  52 cpu=
  53 cpuver=
  54 dwarf=
  55
  56 # OS specific
  57 cpu_sys=`uname -m`
  58 targetos=`uname`
  59
  60 case $targetos in
  61   Darwin)
  62     darwin=yes
  63     confvars="$confvars OSX dll=no"
  64     cc=`which cc`
  65     cc=`readlink $cc || echo clang`
  66     tcc_usrinclude="`xcrun --show-sdk-path`/usr/include"
  67     DLLSUF=".dylib"
  68     ;;
  69   Windows_NT|MINGW*|MSYS*|CYGWIN*)
  70     mingw32=yes
  71     targetos=WIN32
  72     ;;
  73   DragonFly|OpenBSD|FreeBSD|NetBSD)
  74     confvars="$confvars BSD ldl=no"
  75     ;;
  76   *)
  77     ;;
  78 esac
  79
  80 # find source path
  81 source_path=${0%configure}
  82 source_path=${source_path%/}
  83 source_path_used="yes"
  84 if test -z "$source_path" -o "$source_path" = "." ; then
  85     source_path=`pwd`
  86     source_path_used="no"
  87 fi
  88
  89 for opt do
  90   eval opt=\"$opt\"
  91   case "$opt" in
  92   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2-`
  93   ;;
  94   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2-`
  95   ;;
  96   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2-`
  97   ;;
  98   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2-`
  99   ;;
 100   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2-`
 101   ;;
 102   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2-`
 103   ;;
 104   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2-`
 105   ;;
 106   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2-`
 107   ;;
 108   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2-`
 109   ;;
 110   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2-`
 111   ;;
 112   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2-`
 113   ;;
 114   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2-`
 115   ;;
 116   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2-`
 117   ;;
 118   --cc=*) cc=`echo $opt | cut -d '=' -f 2-`
 119   ;;
 120   --ar=*) ar=`echo $opt | cut -d '=' -f 2-` ; ar_set="yes"
 121   ;;
 122   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 123   ;;
 124   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 125   ;;
 126   --extra-libs=*) extralibs="${opt#--extra-libs=}"
 127   ;;
 128   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2-`
 129   ;;
 130   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2-`
 131   ;;
 132   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2-`
 133   ;;
 134   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2-`
 135   ;;
 136   --triplet=*) triplet=`echo $opt | cut -d '=' -f 2-`
 137   ;;
 138   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2-`
 139   ;;
 140   --dwarf=*) dwarf=`echo $opt | cut -d '=' -f 2-`
 141   ;;
 142   --enable-cross) confvars="$confvars cross"
 143   ;;
 144   --disable-static) confvars="$confvars static=no"
 145   ;;
 146   --enable-static) confvars="$confvars static"
 147   ;;
 148   --disable-rpath) confvars="$confvars rpath=no"
 149   ;;
 150   --debug) confvars="$confvars debug"
 151   ;;
 152   --with-libgcc) confvars="$confvars libgcc"
 153   ;;
 154   --with-selinux) confvars="$confvars selinux"
 155   ;;
 156   --config-mingw32*) mingw32=$(echo "$opt=yes" | cut -d '=' -f 2)
 157   ;;
 158   --config-*) confvars="$confvars ${opt#--config-}"; suggest="no"
 159   ;;
 160   --help|-h) show_help="yes"
 161   ;;
 162   *) echo "configure: WARNING: unrecognized option $opt"
 163   ;;
 164   esac
 165 done
 166
 167 cc="${cross_prefix}${cc}"
 168 ar="${cross_prefix}${ar}"
 169
 170 # Checking for CFLAGS
 171 test -z "$CFLAGS" && CFLAGS="-Wall -O2"
 172
 173 # on OSX M1 with --cpu=x86_64, build a tcc to run under rosetta entirely
 174 if test "$darwin" = "yes" -a "$cpu" = "x86_64" -a "$cpu_sys" = "arm64"; then
 175     CFLAGS="$CFLAGS -arch $cpu"
 176     LDFLAGS="$LDFLAGS -arch $cpu"
 177 fi
 178
 179 # checking for cpu
 180 test -z "$cpu" && cpu="$cpu_sys"
 181
 182 case "$cpu" in
 183   x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
 184     cpu="i386"
 185   ;;
 186   x86_64|amd64|x86-64)
 187     cpu="x86_64"
 188   ;;
 189   evbarm)
 190     case "`uname -p`" in
 191       aarch64|arm64)
 192         cpu="arm64"
 193         ;;
 194       earmv*)
 195         cpu="arm"
 196         ;;
 197     esac
 198   ;;
 199   aarch64|arm64|evbarm)
 200     cpu="arm64"
 201   ;;
 202   arm*)
 203     case "$cpu" in
 204       arm|armv4l)
 205         cpuver=4
 206       ;;
 207       armv5tel|armv5tejl)
 208         cpuver=5
 209       ;;
 210       armv6j|armv6l)
 211         cpuver=6
 212       ;;
 213       armv7|armv7a|armv7l)
 214         cpuver=7
 215       ;;
 216     esac
 217     cpu="arm"
 218   ;;
 219   alpha)
 220     cpu="alpha"
 221   ;;
 222   "Power Macintosh"|ppc|ppc64)
 223     cpu="ppc"
 224   ;;
 225   mips)
 226     cpu="mips"
 227   ;;
 228   s390)
 229     cpu="s390"
 230   ;;
 231   riscv64)
 232     cpu="riscv64"
 233   ;;
 234   *)
 235     echo "Unsupported CPU"
 236     exit 1
 237   ;;
 238 esac
 239
 240 if test "$mingw32" = "yes" ; then
 241     if test "$source_path_used" = "no"; then
 242       source_path="."
 243     fi
 244     test -z "$prefix" && prefix="C:/Program Files/tcc"
 245     test -z "$tccdir" && tccdir="${prefix}" && tccdir_auto="yes"
 246     test -z "$bindir" && bindir="${tccdir}"
 247     test -z "$docdir" && docdir="${tccdir}/doc"
 248     test -z "$libdir" && libdir="${tccdir}/libtcc"
 249     confvars="$confvars WIN32"
 250     LIBSUF=".lib"
 251     EXESUF=".exe"
 252     DLLSUF=".dll"
 253 else
 254     if test -z "$prefix" ; then
 255       prefix="/usr/local"
 256     fi
 257     if test -z "$sharedir" ; then
 258       sharedir="${prefix}/share"
 259     fi
 260     if test x"$execprefix" = x""; then
 261       execprefix="${prefix}"
 262     fi
 263     if test x"$libdir" = x""; then
 264       libdir="${execprefix}/lib"
 265     fi
 266     if test x"$bindir" = x""; then
 267       bindir="${execprefix}/bin"
 268     fi
 269     if test x"$docdir" = x""; then
 270       docdir="${sharedir}/doc"
 271     fi
 272     if test x"$mandir" = x""; then
 273       mandir="${sharedir}/man"
 274     fi
 275     if test x"$infodir" = x""; then
 276       infodir="${sharedir}/info"
 277     fi
 278     if test x"$tccdir" = x""; then
 279       tccdir="${libdir}/tcc"
 280     fi
 281     if test x"$includedir" = x""; then
 282       includedir="${prefix}/include"
 283     fi
 284 fi # mingw32
 285
 286 if test x"$show_help" = "xyes" ; then
 287 cat << EOF
 288 Usage: configure [options]
 289 Options: [defaults in brackets after descriptions]
 290
 291 Standard options:
 292   --help                   print this message
 293   --prefix=PREFIX          install in PREFIX [$prefix]
 294   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 295                            [same as prefix]
 296   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 297   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 298   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 299   --includedir=DIR         C header files in DIR [PREFIX/include]
 300   --sharedir=DIR           documentation root DIR [PREFIX/share]
 301   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 302   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 303   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 304
 305 Advanced options (experts only):
 306   --source-path=PATH       path of source code [$source_path]
 307   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 308   --sysroot=PREFIX         prepend PREFIX to library/include paths [$sysroot]
 309   --cc=CC                  use C compiler CC [$cc]
 310   --ar=AR                  create archives using AR [$ar]
 311   --extra-cflags=          specify compiler flags [$CFLAGS]
 312   --extra-ldflags=         specify linker options [$LDFLAGS]
 313   --cpu=CPU                CPU [$cpu]
 314
 315   --debug                  include debug info with resulting binaries
 316   --disable-static         make libtcc.so instead of libtcc.a
 317   --enable-static          make libtcc.a instead of libtcc.dll (win32)
 318   --disable-rpath          disable use of -rpath with libtcc.so
 319   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a
 320   --with-selinux           use mmap for executable memory (tcc -run)
 321   --enable-cross           build cross compilers (see also 'make help')
 322
 323   --sysincludepaths=...    specify system include paths, colon separated
 324   --libpaths=...           specify system library paths, colon separated
 325   --crtprefix=...          specify locations of crt?.o, colon separated
 326   --elfinterp=...          specify elf interpreter
 327   --triplet=...            specify system library/include directory triplet
 328
 329   --config-uClibc,-musl    enable system specific configurations
 330   --config-mingw32         build on windows using msys, busybox, etc.
 331   --config-backtrace=no    disable stack backtraces (with -run or -bt)
 332   --config-bcheck=no       disable bounds checker (-b)
 333   --config-predefs=no      do not compile tccdefs.h, instead just include
 334   --dwarf=x                Use dwarf debug info instead of stabs (x=2..5)
 335 EOF
 336 exit 1
 337 fi
 338
 339 if test -z "$cross_prefix" ; then
 340   CONFTEST=./conftest$EXESUF
 341   if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 342     echo "configure: error: '$cc' failed to compile conftest.c."
 343   else
 344     cc_name="$($CONFTEST compiler)"
 345     gcc_major="$($CONFTEST version)"
 346     gcc_minor="$($CONFTEST minor)"
 347     bigendian="$($CONFTEST bigendian)"
 348     _triplet="$($CONFTEST triplet)"
 349   fi
 350   if test "$mingw32" = "no" ; then
 351
 352       if test -z "$triplet"; then
 353         if test -n "$_triplet" -a -f "/usr/lib/$_triplet/crti.o" ; then
 354           triplet="$_triplet"
 355         fi
 356       fi
 357
 358       if test -z "$triplet"; then
 359         if test $cpu = "x86_64" -o $cpu = "arm64" -o $cpu = "riscv64" ; then
 360           if test -f "/usr/lib64/crti.o" ; then
 361             tcc_lddir="lib64"
 362           fi
 363         fi
 364       fi
 365
 366       if test "$cpu" = "arm" ; then
 367         if test "${triplet%eabihf}" != "$triplet" ; then
 368            confvars="$confvars arm_eabihf arm_vfp"
 369         elif test "${triplet%eabi}" != "$triplet" ; then
 370            confvars="$confvars arm_eabi arm_vfp"
 371         elif test "${_triplet%eabihf}" != "$_triplet" ; then
 372            confvars="$confvars arm_eabihf arm_vfp"
 373         elif test "${_triplet%eabi}" != "$_triplet" ; then
 374            confvars="$confvars arm_eabi arm_vfp"
 375         fi
 376         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 377            confvars="$confvars arm_vfp"
 378         fi
 379       fi
 380
 381       if test "$suggest" = "yes"; then
 382         if test -f "/lib/ld-uClibc.so.0" ; then
 383           echo "Perhaps you want ./configure --config-uClibc"
 384         fi
 385         if test -f "/lib/ld-musl-$cpu.so.1"; then
 386           echo "Perhaps you want ./configure --config-musl"
 387         fi
 388       fi
 389   else # mingw32 = yes
 390       if test "$cc_name" = "gcc"; then
 391         # avoid mingw dependencies such as 'libgcc_s_dw2-1.dll'
 392         test -z "$LDFLAGS" && LDFLAGS="-static"
 393       fi
 394   fi
 395 else
 396   # if cross compiling, cannot launch a program, so make a static guess
 397   case $cpu in
 398     ppc|mips|s390)  bigendian=yes;;
 399   esac
 400 fi
 401
 402 if test "$bigendian" = "yes" ; then
 403   confvars="$confvars BIGENDIAN"
 404 fi
 405
 406 # a final configuration tuning
 407 if test "$cc_name" != "tcc"; then
 408   OPT1="-Wdeclaration-after-statement -fno-strict-aliasing"
 409   # we want -Wno- but gcc does not always reject unknown -Wno- options
 410   OPT2="-Wpointer-sign -Wsign-compare -Wunused-result -Wformat-truncation"
 411   OPT2="$OPT2 -Wstringop-truncation"
 412   if test "$cc_name" = "clang"; then
 413     OPT1="$OPT1 -fheinous-gnu-extensions"
 414     OPT2="$OPT2 -Wstring-plus-int"
 415   fi
 416   $cc $OPT1 $OPT2 -o a.out -c -xc - < /dev/null > cc_msg.txt 2>&1
 417   for o in $OPT1; do # enable these options
 418     if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS $o"; fi
 419   done
 420   for o in $OPT2; do # disable these options
 421     if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS -Wno-${o#-W*}"; fi
 422   done
 423   # cat cc_msg.txt
 424   # echo $CFLAGS
 425   rm -f cc_msg.txt a.out
 426 else # cc is tcc
 427   test "$ar_set" || ar="$cc -ar"
 428 fi
 429
 430 fcho() { if test -n "$2"; then echo "$1$2"; fi }
 431
 432 fcho "Binary directory    " "$bindir"
 433 fcho "TinyCC directory    " "$tccdir"
 434 fcho "Library directory   " "$libdir"
 435 fcho "Include directory   " "$includedir"
 436 fcho "Manual directory    " "$mandir"
 437 fcho "Info directory      " "$infodir"
 438 fcho "Doc directory       " "$docdir"
 439 fcho "Target root prefix  " "$sysroot"
 440 fcho "/usr/include dir    " "$tcc_usrinclude"
 441 echo "Source path         $source_path"
 442 echo "C compiler          $cc ($gcc_major.$gcc_minor)"
 443 echo "Target OS           $targetos"
 444 echo "CPU                 $cpu"
 445 fcho "Triplet             " "$triplet"
 446 fcho "Config              " "${confvars# }"
 447 echo "Creating config.mak and config.h"
 448
 449 cat >config.mak <<EOF
 450 # Automatically generated by configure - do not modify
 451 prefix=$prefix
 452 bindir=\$(DESTDIR)$bindir
 453 tccdir=\$(DESTDIR)$tccdir
 454 libdir=\$(DESTDIR)$libdir
 455 includedir=\$(DESTDIR)$includedir
 456 mandir=\$(DESTDIR)$mandir
 457 infodir=\$(DESTDIR)$infodir
 458 docdir=\$(DESTDIR)$docdir
 459 CC=$cc
 460 CC_NAME=$cc_name
 461 GCC_MAJOR=$gcc_major
 462 GCC_MINOR=$gcc_minor
 463 AR=$ar
 464 CFLAGS=$CFLAGS
 465 LDFLAGS=$LDFLAGS
 466 LIBSUF=$LIBSUF
 467 EXESUF=$EXESUF
 468 DLLSUF=$DLLSUF
 469 EOF
 470
 471 print_inc() {
 472   local v="$2"
 473   if test -n "$v"; then
 474     test "$3" = "num" || v="\"$v\""
 475     echo "#ifndef $1" >> $TMPH
 476     echo "# define $1 $v" >> $TMPH
 477     echo "#endif" >> $TMPH
 478   fi
 479 }
 480
 481 print_mak() {
 482   local v="$2"
 483   if test -n "$v"; then
 484     test "$3" = "num" || v="\"\\\"$v\\\"\""
 485     echo "NATIVE_DEFINES+=-D$1=$v" >> config.mak
 486   fi
 487 }
 488
 489 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 490
 491 print_inc CONFIG_SYSROOT "$sysroot"
 492 test "$tccdir_auto" = "yes" || print_inc CONFIG_TCCDIR "$tccdir"
 493 print_inc DWARF_VERSION "$dwarf" num
 494 print_mak CONFIG_USR_INCLUDE "$tcc_usrinclude"
 495 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 496 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 497 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 498 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 499 print_mak CONFIG_LDDIR "$tcc_lddir"
 500 print_mak CONFIG_TRIPLET "$triplet"
 501 print_mak TCC_CPU_VERSION "$cpuver" num
 502
 503 echo "ARCH=$cpu" >> config.mak
 504 echo "TARGETOS=$targetos" >> config.mak
 505
 506 predefs="1"
 507 for v in $confvars ; do
 508   test "$v" = "predefs=no" && predefs=""
 509   if test "${v%=*}" = "$v"; then
 510     echo "CONFIG_$v=yes" >> config.mak
 511   else
 512     echo "CONFIG_$v" >> config.mak
 513   fi
 514 done
 515 print_inc CONFIG_TCC_PREDEFS "$predefs" num
 516
 517 version=`head $source_path/VERSION`
 518 echo "VERSION = $version" >> config.mak
 519 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 520 echo "@set VERSION $version" > config.texi
 521
 522 if test "$source_path_used" = "yes" ; then
 523     case $source_path in
 524        /*) echo "TOPSRC=$source_path";;
 525         *) echo "TOPSRC=\$(TOP)/$source_path";;
 526      esac >>config.mak
 527 else
 528      echo 'TOPSRC=$(TOP)' >>config.mak
 529 fi
 530 cat >>$TMPH <<EOF
 531 #define GCC_MAJOR $gcc_major
 532 #define GCC_MINOR $gcc_minor
 533 #define CC_NAME CC_${cc_name}
 534 EOF
 535
 536 diff $TMPH config.h >/dev/null 2>&1
 537 if test $? -ne 0 ; then
 538     mv -f $TMPH config.h
 539 else
 540     echo "config.h is unchanged"
 541 fi
 542
 543 rm -f $TMPN* $CONFTEST
 544
 545 # ---------------------------------------------------------------------------
 546 # build tree in object directory if source path is different from current one
 547
 548 fn_makelink()
 549 {
 550     tgt=$1/$2
 551     case $2 in
 552     */*) dn=${2%/*}
 553          test -d $dn || mkdir -p $dn
 554          case $1 in
 555          /*) ;;
 556           *) while test $dn ; do
 557                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 558              done
 559              ;;
 560          esac
 561          ;;
 562     esac
 563
 564     ln -sfn $tgt $2 || ( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
 565 }
 566
 567 if test "$source_path_used" = "yes" ; then
 568   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
 569   for f in $FILES ; do
 570     fn_makelink $source_path $f
 571   done
 572 fi
 573
 574 # ---------------------------------------------------------------------------