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