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 $targetos in
  66   Darwin)
  67     darwin=yes
  68     dwarf=4
  69     confvars="$confvars OSX"
  70     cc=`which cc`
  71     cc=`readlink $cc || echo clang`
  72     tcc_usrinclude="`xcrun --show-sdk-path`/usr/include"
  73     DLLSUF=".dylib"
  74     ;;
  75   Windows_NT|MINGW*|MSYS*|CYGWIN*)
  76     mingw32=yes
  77     targetos=WIN32
  78     ;;
  79   DragonFly|OpenBSD|FreeBSD|NetBSD)
  80     confvars="$confvars BSD ldl=no"
  81     ;;
  82   Android)
  83     confvars="$confvars Android pie new-dtags"
  84     if test -n "$TERMUX_VERSION"; then
  85       prefix="$PREFIX" # "/data/data/com.termux/files/usr"
  86       sysroot="$PREFIX"
  87       test "$cpu" = "aarch64" -o "$cpu" = "x86_64" && S="64" || S=""
  88       tcc_sysincludepaths="{B}/include:{R}/include/\\\"CONFIG_TRIPLET\\\":{R}/include"
  89       tcc_libpaths="{B}:{R}/lib:/system/lib${S}"
  90       tcc_crtprefix="{R}/lib"
  91       tcc_elfinterp="/system/bin/linker${S}"
  92       use_triplet="yes"
  93       tcc_switches="-Wl,-rpath=$sysroot/lib,-section-alignment=0x1000"
  94     fi
  95     ;;
  96   *)
  97     ;;
  98 esac
  99
 100 # find source path
 101 source_path=${0%configure}
 102 source_path=${source_path%/}
 103 source_path_used="yes"
 104 if test -z "$source_path" -o "$source_path" = "." ; then
 105     source_path=`pwd`
 106     source_path_used="no"
 107 fi
 108
 109 for opt do
 110   eval opt=\"$opt\"
 111   case "$opt" in
 112   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2-`
 113   ;;
 114   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2-`
 115   ;;
 116   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2-`
 117   ;;
 118   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2-`
 119   ;;
 120   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2-`
 121   ;;
 122   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2-`
 123   ;;
 124   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2-`
 125   ;;
 126   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2-`
 127   ;;
 128   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2-`
 129   ;;
 130   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2-`
 131   ;;
 132   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2-`
 133   ;;
 134   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2-`
 135   ;;
 136   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2-`
 137   ;;
 138   --cc=*) cc=`echo $opt | cut -d '=' -f 2-`
 139   ;;
 140   --ar=*) ar=`echo $opt | cut -d '=' -f 2-` ; ar_set="yes"
 141   ;;
 142   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 143   ;;
 144   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 145   ;;
 146   --extra-libs=*) extralibs="${opt#--extra-libs=}"
 147   ;;
 148   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2-`
 149   ;;
 150   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2-`
 151   ;;
 152   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2-`
 153   ;;
 154   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2-`
 155   ;;
 156   --triplet=*) triplet=`echo $opt | cut -d '=' -f 2-`
 157   ;;
 158   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2-`
 159   ;;
 160   --dwarf=*) dwarf=`echo $opt | cut -d '=' -f 2-`
 161   ;;
 162   --enable-cross) confvars="$confvars cross"
 163   ;;
 164   --disable-static) confvars="$confvars static=no"
 165   ;;
 166   --enable-static) confvars="$confvars static"
 167   ;;
 168   --disable-rpath) confvars="$confvars rpath=no"
 169   ;;
 170   --debug) confvars="$confvars debug"
 171   ;;
 172   --with-libgcc) confvars="$confvars libgcc"
 173   ;;
 174   --with-selinux) confvars="$confvars selinux"
 175   ;;
 176   --tcc-switches=*) tcc_switches=`echo $opt | cut -d '=' -f 2-`
 177   ;;
 178   --config-mingw32*) mingw32=$(echo "$opt=yes" | cut -d '=' -f 2)
 179   ;;
 180   --config-*) confvars="$confvars ${opt#--config-}"; suggest="no"
 181   ;;
 182   --help|-h) show_help="yes"
 183   ;;
 184   *) echo "configure: WARNING: unrecognized option $opt"
 185   ;;
 186   esac
 187 done
 188
 189 cc="${cross_prefix}${cc}"
 190 ar="${cross_prefix}${ar}"
 191
 192 # Checking for CFLAGS
 193 test -z "$CFLAGS" && CFLAGS="-Wall -O2"
 194
 195 # on OSX M1 with --cpu=x86_64, build a tcc to run under rosetta entirely
 196 if test "$darwin" = "yes" -a "$cpu" = "x86_64" -a "$cpu_sys" = "arm64"; then
 197     CFLAGS="$CFLAGS -arch $cpu"
 198     LDFLAGS="$LDFLAGS -arch $cpu"
 199 fi
 200
 201 case "$cpu" in
 202   x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
 203     cpu="i386"
 204   ;;
 205   x86_64|amd64|x86-64)
 206     cpu="x86_64"
 207   ;;
 208   evbarm)
 209     case "`uname -p`" in
 210       aarch64|arm64)
 211         cpu="arm64"
 212         ;;
 213       earmv*)
 214         cpu="arm"
 215         ;;
 216     esac
 217   ;;
 218   aarch64|arm64|evbarm)
 219     cpu="arm64"
 220   ;;
 221   arm*)
 222     case "$cpu" in
 223       arm|armv4l)
 224         cpuver=4
 225       ;;
 226       armv5tel|armv5tejl)
 227         cpuver=5
 228       ;;
 229       armv6j|armv6l)
 230         cpuver=6
 231       ;;
 232       armv7|armv7a|armv7l)
 233         cpuver=7
 234       ;;
 235     esac
 236     cpu="arm"
 237   ;;
 238   alpha)
 239     cpu="alpha"
 240   ;;
 241   "Power Macintosh"|ppc|ppc64)
 242     cpu="ppc"
 243   ;;
 244   mips)
 245     cpu="mips"
 246   ;;
 247   s390)
 248     cpu="s390"
 249   ;;
 250   riscv64)
 251     cpu="riscv64"
 252   ;;
 253   *)
 254     echo "Unsupported CPU"
 255     exit 1
 256   ;;
 257 esac
 258
 259 if test "$mingw32" = "yes" ; then
 260     if test "$source_path_used" = "no"; then
 261       source_path="."
 262     fi
 263     test -z "$prefix" && prefix="C:/Program Files/tcc"
 264     test -z "$tccdir" && tccdir="${prefix}" && tccdir_auto="yes"
 265     test -z "$bindir" && bindir="${tccdir}"
 266     test -z "$docdir" && docdir="${tccdir}/doc"
 267     test -z "$libdir" && libdir="${tccdir}/libtcc"
 268     confvars="$confvars WIN32"
 269     LIBSUF=".lib"
 270     EXESUF=".exe"
 271     DLLSUF=".dll"
 272 else
 273     if test -z "$prefix" ; then
 274       prefix="/usr/local"
 275     fi
 276     if test -z "$sharedir" ; then
 277       sharedir="${prefix}/share"
 278     fi
 279     if test x"$execprefix" = x""; then
 280       execprefix="${prefix}"
 281     fi
 282     if test x"$libdir" = x""; then
 283       libdir="${execprefix}/lib"
 284     fi
 285     if test x"$bindir" = x""; then
 286       bindir="${execprefix}/bin"
 287     fi
 288     if test x"$docdir" = x""; then
 289       docdir="${sharedir}/doc"
 290     fi
 291     if test x"$mandir" = x""; then
 292       mandir="${sharedir}/man"
 293     fi
 294     if test x"$infodir" = x""; then
 295       infodir="${sharedir}/info"
 296     fi
 297     if test x"$tccdir" = x""; then
 298       tccdir="${libdir}/tcc"
 299     fi
 300     if test x"$includedir" = x""; then
 301       includedir="${prefix}/include"
 302     fi
 303 fi # mingw32
 304
 305 if test x"$show_help" = "xyes" ; then
 306 cat << EOF
 307 Usage: configure [options]
 308 Options: [defaults in brackets after descriptions]
 309
 310 Standard options:
 311   --help                   print this message
 312   --prefix=PREFIX          install in PREFIX [$prefix]
 313   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 314                            [same as prefix]
 315   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 316   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 317   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 318   --includedir=DIR         C header files in DIR [PREFIX/include]
 319   --sharedir=DIR           documentation root DIR [PREFIX/share]
 320   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 321   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 322   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 323
 324 Advanced options (experts only):
 325   --source-path=PATH       path of source code [$source_path]
 326   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 327   --sysroot=PREFIX         prepend PREFIX to library/include paths [$sysroot]
 328   --cc=CC                  use C compiler CC [$cc]
 329   --ar=AR                  create archives using AR [$ar]
 330   --extra-cflags=          specify compiler flags [$CFLAGS]
 331   --extra-ldflags=         specify linker options [$LDFLAGS]
 332   --cpu=CPU                CPU [$cpu]
 333
 334   --debug                  include debug info with resulting binaries
 335   --disable-static         make libtcc.so instead of libtcc.a
 336   --enable-static          make libtcc.a instead of libtcc.dll (win32)
 337   --disable-rpath          disable use of -rpath with libtcc.so
 338   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a
 339   --with-selinux           use mmap for executable memory (tcc -run)
 340   --enable-cross           build cross compilers (see also 'make help')
 341
 342   --sysincludepaths=...    specify system include paths, colon separated
 343   --libpaths=...           specify system library paths, colon separated
 344   --crtprefix=...          specify locations of crt?.o, colon separated
 345   --elfinterp=...          specify elf interpreter
 346   --triplet=...            specify system library/include directory triplet
 347   --tcc-switches=...       specify implicit switches passed to tcc
 348
 349   --config-uClibc,-musl    enable system specific configurations
 350   --config-mingw32         build on windows using msys, busybox, etc.
 351   --config-backtrace=no    disable stack backtraces (with -run or -bt)
 352   --config-bcheck=no       disable bounds checker (-b)
 353   --config-predefs=no      do not compile tccdefs.h, instead just include
 354   --config-new_macho=no    Use apple old macho object format
 355   --config-codesign        Use codesign on apple to sign executables
 356   --dwarf=x                Use dwarf debug info instead of stabs (x=2..5)
 357 EOF
 358 exit 1
 359 fi
 360
 361 if test -z "$cross_prefix" ; then
 362   CONFTEST=./conftest$EXESUF
 363   if ! $cc -o $CONFTEST $source_path/conftest.c ; then
 364     echo "configure: error: '$cc' failed to compile conftest.c."
 365   else
 366     cc_name="$($CONFTEST compiler)"
 367     gcc_major="$($CONFTEST version)"
 368     gcc_minor="$($CONFTEST minor)"
 369     bigendian="$($CONFTEST bigendian)"
 370     _triplet="$($CONFTEST triplet)"
 371   fi
 372   if test "$mingw32" = "no" ; then
 373
 374       if test -z "$triplet" -a -n "$_triplet"; then
 375         if test -f "/usr/lib/$_triplet/crti.o" -o -n "$use_triplet" ; then
 376           triplet="$_triplet"
 377         fi
 378       fi
 379
 380       if test -z "$triplet"; then
 381         if test $cpu = "x86_64" -o $cpu = "arm64" -o $cpu = "riscv64" ; then
 382           if test -f "/usr/lib64/crti.o" ; then
 383             tcc_lddir="lib64"
 384           fi
 385         fi
 386       fi
 387
 388       if test "$cpu" = "arm" ; then
 389         if test "${triplet%eabihf}" != "$triplet" ; then
 390            confvars="$confvars arm_eabihf arm_vfp"
 391         elif test "${triplet%eabi}" != "$triplet" ; then
 392            confvars="$confvars arm_eabi arm_vfp"
 393         elif test "${_triplet%eabihf}" != "$_triplet" ; then
 394            confvars="$confvars arm_eabihf arm_vfp"
 395         elif test "${_triplet%eabi}" != "$_triplet" ; then
 396            confvars="$confvars arm_eabi arm_vfp"
 397         elif grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 398            confvars="$confvars arm_vfp"
 399         fi
 400       fi
 401
 402       if test "$suggest" = "yes"; then
 403         if test -f "/lib/ld-uClibc.so.0" ; then
 404           echo "Perhaps you want ./configure --config-uClibc"
 405         fi
 406         if test -f "/lib/ld-musl-$cpu.so.1"; then
 407           echo "Perhaps you want ./configure --config-musl"
 408         fi
 409       fi
 410   else # mingw32 = yes
 411       if test "$cc_name" = "gcc"; then
 412         # avoid mingw dependencies such as 'libgcc_s_dw2-1.dll'
 413         test -z "$LDFLAGS" && LDFLAGS="-static"
 414       fi
 415   fi
 416 else
 417   # if cross compiling, cannot launch a program, so make a static guess
 418   case $cpu in
 419     ppc|mips|s390)  bigendian=yes;;
 420   esac
 421 fi
 422
 423 if test "$bigendian" = "yes" ; then
 424   confvars="$confvars BIGENDIAN"
 425 fi
 426
 427 # a final configuration tuning
 428 if test "$cc_name" != "tcc"; then
 429   OPT1="-Wdeclaration-after-statement -fno-strict-aliasing"
 430   # we want -Wno- but gcc does not always reject unknown -Wno- options
 431   OPT2="-Wpointer-sign -Wsign-compare -Wunused-result -Wformat-truncation"
 432   OPT2="$OPT2 -Wstringop-truncation"
 433   if test "$cc_name" = "clang"; then
 434     OPT1="$OPT1 -fheinous-gnu-extensions"
 435     OPT2="$OPT2 -Wstring-plus-int"
 436   fi
 437   $cc $OPT1 $OPT2 -o a.out -c -xc - < /dev/null > cc_msg.txt 2>&1
 438   for o in $OPT1; do # enable these options
 439     if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS $o"; fi
 440   done
 441   for o in $OPT2; do # disable these options
 442     if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS -Wno-${o#-W*}"; fi
 443   done
 444   # cat cc_msg.txt
 445   # echo $CFLAGS
 446   rm -f cc_msg.txt a.out
 447 else # cc is tcc
 448   test "$ar_set" || ar="$cc -ar"
 449 fi
 450
 451 fcho() { if test -n "$2"; then echo "$1$2"; fi }
 452
 453 fcho "Binary directory    " "$bindir"
 454 fcho "TinyCC directory    " "$tccdir"
 455 fcho "Library directory   " "$libdir"
 456 fcho "Include directory   " "$includedir"
 457 fcho "Manual directory    " "$mandir"
 458 fcho "Info directory      " "$infodir"
 459 fcho "Doc directory       " "$docdir"
 460 fcho "Target root prefix  " "$sysroot"
 461 fcho "/usr/include dir    " "$tcc_usrinclude"
 462 echo "Source path         $source_path"
 463 echo "C compiler          $cc ($gcc_major.$gcc_minor)"
 464 echo "Target OS           $targetos"
 465 echo "CPU                 $cpu"
 466 fcho "Triplet             " "$triplet"
 467 fcho "Config              " "${confvars# }"
 468 echo "Creating config.mak and config.h"
 469
 470 cat >config.mak <<EOF
 471 # Automatically generated by configure - do not modify
 472 prefix=$prefix
 473 bindir=\$(DESTDIR)$bindir
 474 tccdir=\$(DESTDIR)$tccdir
 475 libdir=\$(DESTDIR)$libdir
 476 includedir=\$(DESTDIR)$includedir
 477 mandir=\$(DESTDIR)$mandir
 478 infodir=\$(DESTDIR)$infodir
 479 docdir=\$(DESTDIR)$docdir
 480 CC=$cc
 481 CC_NAME=$cc_name
 482 GCC_MAJOR=$gcc_major
 483 GCC_MINOR=$gcc_minor
 484 AR=$ar
 485 CFLAGS=$CFLAGS
 486 LDFLAGS=$LDFLAGS
 487 LIBSUF=$LIBSUF
 488 EXESUF=$EXESUF
 489 DLLSUF=$DLLSUF
 490 EOF
 491
 492 print_inc() {
 493   local v="$2"
 494   if test -n "$v"; then
 495     test "$3" = "num" || v="\"$v\""
 496     echo "#ifndef $1" >> $TMPH
 497     echo "# define $1 $v" >> $TMPH
 498     echo "#endif" >> $TMPH
 499   fi
 500 }
 501
 502 print_mak() {
 503   local v="$2"
 504   if test -n "$v"; then
 505     test "$3" = "num" || v="\"\\\"$v\\\"\""
 506     echo "NATIVE_DEFINES+=-D$1=$v" >> config.mak
 507   fi
 508 }
 509
 510 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 511
 512 print_inc CONFIG_SYSROOT "$sysroot"
 513 test "$tccdir_auto" = "yes" || print_inc CONFIG_TCCDIR "$tccdir"
 514 print_inc DWARF_VERSION "$dwarf" num
 515 print_mak CONFIG_USR_INCLUDE "$tcc_usrinclude"
 516 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 517 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 518 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 519 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 520 print_mak CONFIG_TCC_SWITCHES "$tcc_switches"
 521 print_mak CONFIG_LDDIR "$tcc_lddir"
 522 print_mak CONFIG_TRIPLET "$triplet"
 523 print_mak TCC_CPU_VERSION "$cpuver" num
 524
 525 echo "ARCH=$cpu" >> config.mak
 526 echo "TARGETOS=$targetos" >> config.mak
 527
 528 predefs="1"
 529 for v in $confvars ; do
 530   test "$v" = "predefs=no" && predefs=""
 531   if test "${v%=*}" = "$v"; then
 532     echo "CONFIG_$v=yes" >> config.mak
 533   else
 534     echo "CONFIG_$v" >> config.mak
 535   fi
 536 done
 537 print_inc CONFIG_TCC_PREDEFS "$predefs" num
 538
 539 version=`head $source_path/VERSION`
 540 echo "VERSION = $version" >> config.mak
 541 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 542 echo "@set VERSION $version" > config.texi
 543
 544 if test "$source_path_used" = "yes" ; then
 545     case $source_path in
 546        /*) echo "TOPSRC=$source_path";;
 547         *) echo "TOPSRC=\$(TOP)/$source_path";;
 548      esac >>config.mak
 549 else
 550      echo 'TOPSRC=$(TOP)' >>config.mak
 551 fi
 552 cat >>$TMPH <<EOF
 553 #define GCC_MAJOR $gcc_major
 554 #define GCC_MINOR $gcc_minor
 555 #define CC_NAME CC_${cc_name}
 556 EOF
 557
 558 diff $TMPH config.h >/dev/null 2>&1
 559 if test $? -ne 0 ; then
 560     mv -f $TMPH config.h
 561 else
 562     echo "config.h is unchanged"
 563 fi
 564
 565 rm -f $TMPN* $CONFTEST
 566
 567 # ---------------------------------------------------------------------------
 568 # build tree in object directory if source path is different from current one
 569
 570 fn_makelink()
 571 {
 572     tgt=$1/$2
 573     case $2 in
 574     */*) dn=${2%/*}
 575          test -d $dn || mkdir -p $dn
 576          case $1 in
 577          /*) ;;
 578           *) while test $dn ; do
 579                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 580              done
 581              ;;
 582          esac
 583          ;;
 584     esac
 585
 586     ln -sfn $tgt $2 || ( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
 587 }
 588
 589 if test "$source_path_used" = "yes" ; then
 590   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
 591   for f in $FILES ; do
 592     fn_makelink $source_path $f
 593   done
 594 fi
 595
 596 # ---------------------------------------------------------------------------