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