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