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