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=$TMPN.h
  18
  19 # default parameters
  20 prefix=""
  21 execprefix=""
  22 bindir=""
  23 libdir=""
  24 tccdir=""
  25 includedir=""
  26 mandir=""
  27 infodir=""
  28 sysroot=""
  29 cross_prefix=""
  30 cc="gcc"
  31 ar="ar"
  32 bigendian="no"
  33 mingw32="no"
  34 LIBSUF=".a"
  35 EXESUF=""
  36 DLLSUF=".so"
  37 tcc_usrinclude=""
  38 tcc_sysincludepaths=""
  39 tcc_libpaths=""
  40 tcc_crtprefix=""
  41 tcc_elfinterp=""
  42 triplet=
  43 tcc_lddir=
  44 confvars=
  45 suggest="yes"
  46 gcc_major=0
  47 gcc_minor=0
  48 cc_name="gcc"
  49 ar_set=
  50 darwin=
  51 cpuver=
  52 dwarf=
  53
  54 # use CC from environment when set
  55 test -n "$CC" && cc="$CC"
  56
  57 # OS specific
  58 cpu=`uname -m`
  59 cpu_sys="$cpu"
  60 targetos=`uname`
  61 if test "$targetos" = "Linux" ; then
  62   test "$(uname -o)" = "Android" && targetos=Android
  63 fi
  64
  65 case $targetos in
  66   Darwin)
  67     darwin=yes
  68     confvars="$confvars OSX dll=no"
  69     cc=`which cc`
  70     cc=`readlink $cc || echo clang`
  71     tcc_usrinclude="`xcrun --show-sdk-path`/usr/include"
  72     DLLSUF=".dylib"
  73     ;;
  74   Windows_NT|MINGW*|MSYS*|CYGWIN*)
  75     mingw32=yes
  76     targetos=WIN32
  77     ;;
  78   DragonFly|OpenBSD|FreeBSD|NetBSD)
  79     confvars="$confvars BSD ldl=no"
  80     ;;
  81   Android)
  82     confvars="$confvars Android pie new-dtags"
  83     if test -n "$TERMUX_VERSION"; then
  84       prefix="$PREFIX" # "/data/data/com.termux/files/usr"
  85       sysroot="$PREFIX"
  86       test "$cpu" = "aarch64" -o "$cpu" = "x86_64" && S="64" || S=""
  87       tcc_sysincludepaths="{B}/include:{R}/include/\\\"CONFIG_TRIPLET\\\":{R}/include"
  88       tcc_libpaths="{B}:{R}/lib:/system/lib${S}"
  89       tcc_crtprefix="{R}/lib"
  90       tcc_elfinterp="/system/bin/linker${S}"
  91       use_triplet="yes"
  92       tcc_switches="-Wl,-rpath=$sysroot/lib,-section-alignment=0x1000"
  93     fi
  94     ;;
  95   *)
  96     ;;
  97 esac
  98
  99 # find source path
 100 source_path=${0%configure}
 101 source_path=${source_path%/}
 102 source_path_used="yes"
 103 if test -z "$source_path" -o "$source_path" = "." ; then
 104     source_path=`pwd`
 105     source_path_used="no"
 106 fi
 107
 108 for opt do
 109   eval opt=\"$opt\"
 110   case "$opt" in
 111   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2-`
 112   ;;
 113   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2-`
 114   ;;
 115   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2-`
 116   ;;
 117   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2-`
 118   ;;
 119   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2-`
 120   ;;
 121   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2-`
 122   ;;
 123   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2-`
 124   ;;
 125   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2-`
 126   ;;
 127   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2-`
 128   ;;
 129   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2-`
 130   ;;
 131   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2-`
 132   ;;
 133   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2-`
 134   ;;
 135   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2-`
 136   ;;
 137   --cc=*) cc=`echo $opt | cut -d '=' -f 2-`
 138   ;;
 139   --ar=*) ar=`echo $opt | cut -d '=' -f 2-` ; ar_set="yes"
 140   ;;
 141   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 142   ;;
 143   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 144   ;;
 145   --extra-libs=*) extralibs="${opt#--extra-libs=}"
 146   ;;
 147   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2-`
 148   ;;
 149   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2-`
 150   ;;
 151   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2-`
 152   ;;
 153   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2-`
 154   ;;
 155   --triplet=*) triplet=`echo $opt | cut -d '=' -f 2-`
 156   ;;
 157   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2-`
 158   ;;
 159   --dwarf=*) dwarf=`echo $opt | cut -d '=' -f 2-`
 160   ;;
 161   --enable-cross) confvars="$confvars cross"
 162   ;;
 163   --disable-static) confvars="$confvars static=no"
 164   ;;
 165   --enable-static) confvars="$confvars static"
 166   ;;
 167   --disable-rpath) confvars="$confvars rpath=no"
 168   ;;
 169   --debug) confvars="$confvars debug"
 170   ;;
 171   --with-libgcc) confvars="$confvars libgcc"
 172   ;;
 173   --with-selinux) confvars="$confvars selinux"
 174   ;;
 175   --tcc-switches=*) tcc_switches=`echo $opt | cut -d '=' -f 2-`
 176   ;;
 177   --config-mingw32*) mingw32=$(echo "$opt=yes" | cut -d '=' -f 2)
 178   ;;
 179   --config-*) confvars="$confvars ${opt#--config-}"; suggest="no"
 180   ;;
 181   --help|-h) show_help="yes"
 182   ;;
 183   *) echo "configure: WARNING: unrecognized option $opt"
 184   ;;
 185   esac
 186 done
 187
 188 cc="${cross_prefix}${cc}"
 189 ar="${cross_prefix}${ar}"
 190
 191 # Checking for CFLAGS
 192 test -z "$CFLAGS" && CFLAGS="-Wall -O2"
 193
 194 # on OSX M1 with --cpu=x86_64, build a tcc to run under rosetta entirely
 195 if test "$darwin" = "yes" -a "$cpu" = "x86_64" -a "$cpu_sys" = "arm64"; then
 196     CFLAGS="$CFLAGS -arch $cpu"
 197     LDFLAGS="$LDFLAGS -arch $cpu"
 198 fi
 199
 200 case "$cpu" in
 201   x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
 202     cpu="i386"
 203   ;;
 204   x86_64|amd64|x86-64)
 205     cpu="x86_64"
 206   ;;
 207   evbarm)
 208     case "`uname -p`" in
 209       aarch64|arm64)
 210         cpu="arm64"
 211         ;;
 212       earmv*)
 213         cpu="arm"
 214         ;;
 215     esac
 216   ;;
 217   aarch64|arm64|evbarm)
 218     cpu="arm64"
 219   ;;
 220   arm*)
 221     case "$cpu" in
 222       arm|armv4l)
 223         cpuver=4
 224       ;;
 225       armv5tel|armv5tejl)
 226         cpuver=5
 227       ;;
 228       armv6j|armv6l)
 229         cpuver=6
 230       ;;
 231       armv7|armv7a|armv7l)
 232         cpuver=7
 233       ;;
 234     esac
 235     cpu="arm"
 236   ;;
 237   alpha)
 238     cpu="alpha"
 239   ;;
 240   "Power Macintosh"|ppc|ppc64)
 241     cpu="ppc"
 242   ;;
 243   mips)
 244     cpu="mips"
 245   ;;
 246   s390)
 247     cpu="s390"
 248   ;;
 249   riscv64)
 250     cpu="riscv64"
 251   ;;
 252   *)
 253     echo "Unsupported CPU"
 254     exit 1
 255   ;;
 256 esac
 257
 258 if test "$mingw32" = "yes" ; then
 259     if test "$source_path_used" = "no"; then
 260       source_path="."
 261     fi
 262     test -z "$prefix" && prefix="C:/Program Files/tcc"
 263     test -z "$tccdir" && tccdir="${prefix}" && tccdir_auto="yes"
 264     test -z "$bindir" && bindir="${tccdir}"
 265     test -z "$docdir" && docdir="${tccdir}/doc"
 266     test -z "$libdir" && libdir="${tccdir}/libtcc"
 267     confvars="$confvars WIN32"
 268     LIBSUF=".lib"
 269     EXESUF=".exe"
 270     DLLSUF=".dll"
 271 else
 272     if test -z "$prefix" ; then
 273       prefix="/usr/local"
 274     fi
 275     if test -z "$sharedir" ; then
 276       sharedir="${prefix}/share"
 277     fi
 278     if test x"$execprefix" = x""; then
 279       execprefix="${prefix}"
 280     fi
 281     if test x"$libdir" = x""; then
 282       libdir="${execprefix}/lib"
 283     fi
 284     if test x"$bindir" = x""; then
 285       bindir="${execprefix}/bin"
 286     fi
 287     if test x"$docdir" = x""; then
 288       docdir="${sharedir}/doc"
 289     fi
 290     if test x"$mandir" = x""; then
 291       mandir="${sharedir}/man"
 292     fi
 293     if test x"$infodir" = x""; then
 294       infodir="${sharedir}/info"
 295     fi
 296     if test x"$tccdir" = x""; then
 297       tccdir="${libdir}/tcc"
 298     fi
 299     if test x"$includedir" = x""; then
 300       includedir="${prefix}/include"
 301     fi
 302 fi # mingw32
 303
 304 if test x"$show_help" = "xyes" ; then
 305 cat << EOF
 306 Usage: configure [options]
 307 Options: [defaults in brackets after descriptions]
 308
 309 Standard options:
 310   --help                   print this message
 311   --prefix=PREFIX          install in PREFIX [$prefix]
 312   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 313                            [same as prefix]
 314   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 315   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 316   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 317   --includedir=DIR         C header files in DIR [PREFIX/include]
 318   --sharedir=DIR           documentation root DIR [PREFIX/share]
 319   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 320   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 321   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 322
 323 Advanced options (experts only):
 324   --source-path=PATH       path of source code [$source_path]
 325   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 326   --sysroot=PREFIX         prepend PREFIX to library/include paths [$sysroot]
 327   --cc=CC                  use C compiler CC [$cc]
 328   --ar=AR                  create archives using AR [$ar]
 329   --extra-cflags=          specify compiler flags [$CFLAGS]
 330   --extra-ldflags=         specify linker options [$LDFLAGS]
 331   --cpu=CPU                CPU [$cpu]
 332
 333   --debug                  include debug info with resulting binaries
 334   --disable-static         make libtcc.so instead of libtcc.a
 335   --enable-static          make libtcc.a instead of libtcc.dll (win32)
 336   --disable-rpath          disable use of -rpath with libtcc.so
 337   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a
 338   --with-selinux           use mmap for executable memory (tcc -run)
 339   --enable-cross           build cross compilers (see also 'make help')
 340
 341   --sysincludepaths=...    specify system include paths, colon separated
 342   --libpaths=...           specify system library paths, colon separated
 343   --crtprefix=...          specify locations of crt?.o, colon separated
 344   --elfinterp=...          specify elf interpreter
 345   --triplet=...            specify system library/include directory triplet
 346   --tcc-switches=...       specify implicit switches passed to tcc
 347
 348   --config-uClibc,-musl    enable system specific configurations
 349   --config-mingw32         build on windows using msys, busybox, etc.
 350   --config-backtrace=no    disable stack backtraces (with -run or -bt)
 351   --config-bcheck=no       disable bounds checker (-b)
 352   --config-predefs=no      do not compile tccdefs.h, instead just include
 353   --config-new_macho       Use apple new macho object format
 354   --config-codesign        Use codesign on apple to sign executables
 355   --dwarf=x                Use dwarf debug info instead of stabs (x=2..5)
 356 EOF
 357 exit 1
 358 fi
 359
 360 if test -z "$cross_prefix" ; then
 361   CONFTEST=./conftest$EXESUF
 362   if ! $cc -o $CONFTEST $source_path/conftest.c ; then
 363     echo "configure: error: '$cc' failed to compile conftest.c."
 364   else
 365     cc_name="$($CONFTEST compiler)"
 366     gcc_major="$($CONFTEST version)"
 367     gcc_minor="$($CONFTEST minor)"
 368     bigendian="$($CONFTEST bigendian)"
 369     _triplet="$($CONFTEST triplet)"
 370   fi
 371   if test "$mingw32" = "no" ; then
 372
 373       if test -z "$triplet" -a -n "$_triplet"; then
 374         if test -f "/usr/lib/$_triplet/crti.o" -o -n "$use_triplet" ; then
 375           triplet="$_triplet"
 376         fi
 377       fi
 378
 379       if test -z "$triplet"; then
 380         if test $cpu = "x86_64" -o $cpu = "arm64" -o $cpu = "riscv64" ; then
 381           if test -f "/usr/lib64/crti.o" ; then
 382             tcc_lddir="lib64"
 383           fi
 384         fi
 385       fi
 386
 387       if test "$cpu" = "arm" ; then
 388         if test "${triplet%eabihf}" != "$triplet" ; then
 389            confvars="$confvars arm_eabihf arm_vfp"
 390         elif test "${triplet%eabi}" != "$triplet" ; then
 391            confvars="$confvars arm_eabi arm_vfp"
 392         elif test "${_triplet%eabihf}" != "$_triplet" ; then
 393            confvars="$confvars arm_eabihf arm_vfp"
 394         elif test "${_triplet%eabi}" != "$_triplet" ; then
 395            confvars="$confvars arm_eabi arm_vfp"
 396         elif grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 397            confvars="$confvars arm_vfp"
 398         fi
 399       fi
 400
 401       if test "$suggest" = "yes"; then
 402         if test -f "/lib/ld-uClibc.so.0" ; then
 403           echo "Perhaps you want ./configure --config-uClibc"
 404         fi
 405         if test -f "/lib/ld-musl-$cpu.so.1"; then
 406           echo "Perhaps you want ./configure --config-musl"
 407         fi
 408       fi
 409   else # mingw32 = yes
 410       if test "$cc_name" = "gcc"; then
 411         # avoid mingw dependencies such as 'libgcc_s_dw2-1.dll'
 412         test -z "$LDFLAGS" && LDFLAGS="-static"
 413       fi
 414   fi
 415 else
 416   # if cross compiling, cannot launch a program, so make a static guess
 417   case $cpu in
 418     ppc|mips|s390)  bigendian=yes;;
 419   esac
 420 fi
 421
 422 if test "$bigendian" = "yes" ; then
 423   confvars="$confvars BIGENDIAN"
 424 fi
 425
 426 # a final configuration tuning
 427 if test "$cc_name" != "tcc"; then
 428   OPT1="-Wdeclaration-after-statement -fno-strict-aliasing"
 429   # we want -Wno- but gcc does not always reject unknown -Wno- options
 430   OPT2="-Wpointer-sign -Wsign-compare -Wunused-result -Wformat-truncation"
 431   OPT2="$OPT2 -Wstringop-truncation"
 432   if test "$cc_name" = "clang"; then
 433     OPT1="$OPT1 -fheinous-gnu-extensions"
 434     OPT2="$OPT2 -Wstring-plus-int"
 435   fi
 436   $cc $OPT1 $OPT2 -o a.out -c -xc - < /dev/null > cc_msg.txt 2>&1
 437   for o in $OPT1; do # enable these options
 438     if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS $o"; fi
 439   done
 440   for o in $OPT2; do # disable these options
 441     if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS -Wno-${o#-W*}"; fi
 442   done
 443   # cat cc_msg.txt
 444   # echo $CFLAGS
 445   rm -f cc_msg.txt a.out
 446 else # cc is tcc
 447   test "$ar_set" || ar="$cc -ar"
 448 fi
 449
 450 fcho() { if test -n "$2"; then echo "$1$2"; fi }
 451
 452 fcho "Binary directory    " "$bindir"
 453 fcho "TinyCC directory    " "$tccdir"
 454 fcho "Library directory   " "$libdir"
 455 fcho "Include directory   " "$includedir"
 456 fcho "Manual directory    " "$mandir"
 457 fcho "Info directory      " "$infodir"
 458 fcho "Doc directory       " "$docdir"
 459 fcho "Target root prefix  " "$sysroot"
 460 fcho "/usr/include dir    " "$tcc_usrinclude"
 461 echo "Source path         $source_path"
 462 echo "C compiler          $cc ($gcc_major.$gcc_minor)"
 463 echo "Target OS           $targetos"
 464 echo "CPU                 $cpu"
 465 fcho "Triplet             " "$triplet"
 466 fcho "Config              " "${confvars# }"
 467 echo "Creating config.mak and config.h"
 468
 469 cat >config.mak <<EOF
 470 # Automatically generated by configure - do not modify
 471 prefix=$prefix
 472 bindir=\$(DESTDIR)$bindir
 473 tccdir=\$(DESTDIR)$tccdir
 474 libdir=\$(DESTDIR)$libdir
 475 includedir=\$(DESTDIR)$includedir
 476 mandir=\$(DESTDIR)$mandir
 477 infodir=\$(DESTDIR)$infodir
 478 docdir=\$(DESTDIR)$docdir
 479 CC=$cc
 480 CC_NAME=$cc_name
 481 GCC_MAJOR=$gcc_major
 482 GCC_MINOR=$gcc_minor
 483 AR=$ar
 484 CFLAGS=$CFLAGS
 485 LDFLAGS=$LDFLAGS
 486 LIBSUF=$LIBSUF
 487 EXESUF=$EXESUF
 488 DLLSUF=$DLLSUF
 489 EOF
 490
 491 print_inc() {
 492   local v="$2"
 493   if test -n "$v"; then
 494     test "$3" = "num" || v="\"$v\""
 495     echo "#ifndef $1" >> $TMPH
 496     echo "# define $1 $v" >> $TMPH
 497     echo "#endif" >> $TMPH
 498   fi
 499 }
 500
 501 print_mak() {
 502   local v="$2"
 503   if test -n "$v"; then
 504     test "$3" = "num" || v="\"\\\"$v\\\"\""
 505     echo "NATIVE_DEFINES+=-D$1=$v" >> config.mak
 506   fi
 507 }
 508
 509 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 510
 511 print_inc CONFIG_SYSROOT "$sysroot"
 512 test "$tccdir_auto" = "yes" || print_inc CONFIG_TCCDIR "$tccdir"
 513 print_inc DWARF_VERSION "$dwarf" num
 514 print_mak CONFIG_USR_INCLUDE "$tcc_usrinclude"
 515 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 516 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 517 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 518 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 519 print_mak CONFIG_TCC_SWITCHES "$tcc_switches"
 520 print_mak CONFIG_LDDIR "$tcc_lddir"
 521 print_mak CONFIG_TRIPLET "$triplet"
 522 print_mak TCC_CPU_VERSION "$cpuver" num
 523
 524 echo "ARCH=$cpu" >> config.mak
 525 echo "TARGETOS=$targetos" >> config.mak
 526
 527 predefs="1"
 528 for v in $confvars ; do
 529   test "$v" = "predefs=no" && predefs=""
 530   if test "${v%=*}" = "$v"; then
 531     echo "CONFIG_$v=yes" >> config.mak
 532   else
 533     echo "CONFIG_$v" >> config.mak
 534   fi
 535 done
 536 print_inc CONFIG_TCC_PREDEFS "$predefs" num
 537
 538 version=`head $source_path/VERSION`
 539 echo "VERSION = $version" >> config.mak
 540 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 541 echo "@set VERSION $version" > config.texi
 542
 543 if test "$source_path_used" = "yes" ; then
 544     case $source_path in
 545        /*) echo "TOPSRC=$source_path";;
 546         *) echo "TOPSRC=\$(TOP)/$source_path";;
 547      esac >>config.mak
 548 else
 549      echo 'TOPSRC=$(TOP)' >>config.mak
 550 fi
 551 cat >>$TMPH <<EOF
 552 #define GCC_MAJOR $gcc_major
 553 #define GCC_MINOR $gcc_minor
 554 #define CC_NAME CC_${cc_name}
 555 EOF
 556
 557 diff $TMPH config.h >/dev/null 2>&1
 558 if test $? -ne 0 ; then
 559     mv -f $TMPH config.h
 560 else
 561     echo "config.h is unchanged"
 562 fi
 563
 564 rm -f $TMPN* $CONFTEST
 565
 566 # ---------------------------------------------------------------------------
 567 # build tree in object directory if source path is different from current one
 568
 569 fn_makelink()
 570 {
 571     tgt=$1/$2
 572     case $2 in
 573     */*) dn=${2%/*}
 574          test -d $dn || mkdir -p $dn
 575          case $1 in
 576          /*) ;;
 577           *) while test $dn ; do
 578                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 579              done
 580              ;;
 581          esac
 582          ;;
 583     esac
 584
 585     ln -sfn $tgt $2 || ( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
 586 }
 587
 588 if test "$source_path_used" = "yes" ; then
 589   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
 590   for f in $FILES ; do
 591     fn_makelink $source_path $f
 592   done
 593 fi
 594
 595 # ---------------------------------------------------------------------------