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