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}-$$-${RANDOM}.c"
  15 TMPN="./conftest-$$"
  16
  17 TMPC=$TMPN.c
  18 TMPH=$TMPN.h
  19 TMPO=$TMPN.o
  20 TMPE=$TMPN
  21
  22 # default parameters
  23 build_cross="no"
  24 use_libgcc="no"
  25 prefix=""
  26 execprefix=""
  27 bindir=""
  28 libdir=""
  29 lddir=""
  30 extralddir=""
  31 tccdir=""
  32 includedir=""
  33 mandir=""
  34 infodir=""
  35 sysroot=""
  36 cross_prefix=""
  37 cc="gcc"
  38 host_cc="gcc"
  39 ar="ar"
  40 strip="strip"
  41 cygwin="no"
  42 cpu=`uname -m`
  43 case "$cpu" in
  44   i386|i486|i586|i686|i86pc|BePC|i686-AT386)
  45     cpu="x86"
  46   ;;
  47   x86_64)
  48     cpu="x86-64"
  49   ;;
  50   arm|armv4l|armv5tel|armv5tejl|armv6j|armv7a|armv7l)
  51     cpu="armv4l"
  52   ;;
  53   alpha)
  54     cpu="alpha"
  55   ;;
  56   "Power Macintosh"|ppc|ppc64)
  57     cpu="powerpc"
  58   ;;
  59   mips)
  60     cpu="mips"
  61   ;;
  62   s390)
  63     cpu="s390"
  64   ;;
  65   *)
  66     cpu="unknown"
  67   ;;
  68 esac
  69 gprof="no"
  70 bigendian="no"
  71 mingw32="no"
  72 LIBSUF=".a"
  73 EXESUF=""
  74
  75 # OS specific
  76 targetos=`uname -s`
  77 case $targetos in
  78 MINGW32*)
  79 mingw32="yes"
  80 ;;
  81 DragonFly)
  82 noldl="yes"
  83 ;;
  84 OpenBSD)
  85 noldl="yes"
  86 ;;
  87 *) ;;
  88 esac
  89
  90 # find source path
  91 # XXX: we assume an absolute path is given when launching configure,
  92 # except in './configure' case.
  93 source_path=${0%configure}
  94 source_path=${source_path%/}
  95 source_path_used="yes"
  96 if test -z "$source_path" -o "$source_path" = "." ; then
  97     source_path=`pwd`
  98     source_path_used="no"
  99 fi
 100
 101 for opt do
 102   case "$opt" in
 103   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 104   ;;
 105   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 106   ;;
 107   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
 108   ;;
 109   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 110   ;;
 111   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 112   ;;
 113   --lddir=*) lddir=`echo $opt | cut -d '=' -f 2`
 114   ;;
 115   --extralddir=*) extralddir="$extralddir:`echo $opt | cut -d '=' -f 2`"
 116   ;;
 117   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 118   ;;
 119   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 120   ;;
 121   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 122   ;;
 123   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 124   ;;
 125   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 126   ;;
 127   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 128   ;;
 129   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 130   ;;
 131   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 132   ;;
 133   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 134   ;;
 135   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 136   ;;
 137   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 138   ;;
 139   --extra-libs=*) extralibs=${opt#--extra-libs=}
 140   ;;
 141   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 142   ;;
 143   --enable-gprof) gprof="yes"
 144   ;;
 145   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 146   ;;
 147   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 148   ;;
 149   --enable-cross) build_cross="yes"
 150   ;;
 151   --disable-static) disable_static="yes"
 152   ;;
 153   --disable-rpath) disable_rpath="yes"
 154   ;;
 155   --strip-binaries) strip_binaries="yes"
 156   ;;
 157   --with-libgcc) use_libgcc="yes"
 158   ;;
 159   --with-selinux) have_selinux="yes"
 160   ;;
 161   --help|-h) show_help="yes"
 162   ;;
 163   esac
 164 done
 165
 166 # Checking for CFLAGS
 167 if test -z "$CFLAGS"; then
 168     CFLAGS="-Wall -g -O2"
 169 fi
 170
 171 cc="${cross_prefix}${cc}"
 172 ar="${cross_prefix}${ar}"
 173 strip="${cross_prefix}${strip}"
 174
 175 if test "$mingw32" = "yes" ; then
 176     LIBSUF=".lib"
 177     EXESUF=".exe"
 178 fi
 179
 180 if test -z "$cross_prefix" ; then
 181
 182 # ---
 183 # big/little endian test
 184 cat > $TMPC << EOF
 185 #include <inttypes.h>
 186 int main(int argc, char ** argv){
 187     volatile uint32_t i=0x01234567;
 188     return (*((uint8_t*)(&i))) == 0x67;
 189 }
 190 EOF
 191
 192 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 193     $TMPE && bigendian="yes"
 194 else
 195     echo big/little test failed
 196 fi
 197
 198 else
 199
 200 # if cross compiling, cannot launch a program, so make a static guess
 201 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 202     bigendian="yes"
 203 fi
 204
 205 fi
 206
 207 # check gcc version
 208 cat > $TMPC <<EOF
 209 int main(void) {
 210 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 211 return 0;
 212 #else
 213 #error gcc < 3.2
 214 #endif
 215 }
 216 EOF
 217
 218 gcc_major="2"
 219 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 220     gcc_major="3"
 221 fi
 222 cat > $TMPC <<EOF
 223 int main(void) {
 224 #if __GNUC__ >= 4
 225 return 0;
 226 #else
 227 #error gcc < 4
 228 #endif
 229 }
 230 EOF
 231
 232 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 233     gcc_major="4"
 234 fi
 235
 236 if test x"$show_help" = "xyes" ; then
 237 cat << EOF
 238
 239 Usage: configure [options]
 240 Options: [defaults in brackets after descriptions]
 241
 242 EOF
 243 echo "Standard options:"
 244 echo "  --help                   print this message"
 245 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 246 echo "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 247 echo "                           [same as prefix]"
 248 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 249 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 250 echo "  --lddir=DIR              loader library search path in DIR [/lib]"
 251 echo "  --extralddir=DIR         extra loader library search path in DIR []"
 252 echo "  --tccdir=DIR             installation directory [EPREFIX/lib/tcc]"
 253 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 254 echo "  --sharedir=DIR           documentation root DIR [PREFIX]/share"
 255 echo "  --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]"
 256 echo "  --mandir=DIR             man documentation in DIR [SHAREDIR/man]"
 257 echo "  --infodir=DIR            info documentation in DIR [SHAREDIR/info]"
 258 echo ""
 259 echo "Advanced options (experts only):"
 260 echo "  --source-path=PATH       path of source code [$source_path]"
 261 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 262 echo "  --sysroot=PREFIX         prepend PREFIX to library/include paths []"
 263 echo "  --cc=CC                  use C compiler CC [$cc]"
 264 echo "  --disable-static         make libtcc.so instead of libtcc.a"
 265 echo "  --disable-rpath          disable use of -rpath with the above"
 266 echo "  --strip-binaries         strip symbol tables from resulting binaries"
 267 echo "  --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc.a"
 268 echo "  --enable-mingw32         build windows version on linux with mingw32"
 269 echo "  --enable-cygwin          build windows version on windows with cygwin"
 270 echo "                           [requires cygwin and mingw32-make]"
 271 echo "  --enable-cross           build cross compilers"
 272 echo "  --extra-cflags=          extra compiler flags"
 273 echo "  --extra-ldflags=         extra linker options"
 274 echo "  --with-selinux           use mmap instead of exec mem"
 275 echo "                           [requires write access to /tmp]"
 276 echo ""
 277 #echo "NOTE: The object files are build at the place where configure is launched"
 278 exit 1
 279 fi
 280
 281 if test "$mingw32" = "yes" ; then
 282     if test x"$tccdir" = x""; then
 283     tccdir="tcc"
 284     fi
 285     if test -z "$prefix" ; then
 286     prefix="C:/Program Files/${tccdir}"
 287     fi
 288     if test -z "$sharedir" ; then
 289     sharedir="${prefix}"
 290     fi
 291     execprefix="$prefix"
 292     bindir="${prefix}"
 293     tccdir="${prefix}"
 294     libdir="${prefix}/lib"
 295     docdir="${sharedir}/doc"
 296     mandir="${sharedir}/man"
 297     infodir="${sharedir}/info"
 298 else
 299     if test -z "$prefix" ; then
 300     prefix="/usr/local"
 301     fi
 302     if test -z "$sharedir" ; then
 303     sharedir="${prefix}/share"
 304     fi
 305     if test x"$execprefix" = x""; then
 306     execprefix="${prefix}"
 307     fi
 308     if test x"$libdir" = x""; then
 309     libdir="${execprefix}/lib"
 310     fi
 311     if test x"$bindir" = x""; then
 312     bindir="${execprefix}/bin"
 313     fi
 314     if test x"$tccdir" = x""; then
 315     tccdir="tcc"
 316     fi
 317     if test x"$docdir" = x""; then
 318     docdir="${sharedir}/doc/${tccdir}"
 319     fi
 320     if test x"$mandir" = x""; then
 321     mandir="${sharedir}/man"
 322     fi
 323     if test x"$infodir" = x""; then
 324     infodir="${sharedir}/info"
 325     fi
 326     tccdir="${libdir}/${tccdir}"
 327 fi # mingw32
 328
 329 if test x"$includedir" = x""; then
 330 includedir="${prefix}/include"
 331 fi
 332
 333 echo "Binary  directory                      $bindir"
 334 echo "TinyCC directory                       $tccdir"
 335 echo "Library directory                      $libdir"
 336 echo "Loader library search directory        ${lddir:-default value (see tcc.h)}"
 337 echo "Extra loader library search directory  ${extralddir:-(none)}"
 338 echo "Include directory                      $includedir"
 339 echo "Manual directory                       $mandir"
 340 echo "Info directory                         $infodir"
 341 echo "Doc directory                          $docdir"
 342 echo "Target root prefix                     $sysroot"
 343 echo "Source path                            $source_path"
 344 echo "C compiler                             $cc"
 345 echo "CPU                                    $cpu"
 346 echo "Big Endian                             $bigendian"
 347 echo "gprof enabled                          $gprof"
 348 echo "cross compilers                        $build_cross"
 349 echo "use libgcc                             $use_libgcc"
 350
 351 echo "Creating config.mak and config.h"
 352
 353 echo "# Automatically generated by configure - do not modify" > config.mak
 354 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 355
 356 echo "prefix=$prefix" >> config.mak
 357 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
 358 echo "tccdir=\$(DESTDIR)$tccdir" >> config.mak
 359 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
 360 echo "ln_libdir=$libdir" >> config.mak
 361 echo "includedir=\$(DESTDIR)$includedir" >> config.mak
 362 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
 363 echo "infodir=\$(DESTDIR)$infodir" >> config.mak
 364 echo "docdir=\$(DESTDIR)$docdir" >> config.mak
 365
 366 echo "#define CONFIG_SYSROOT \"$sysroot\"" >> $TMPH
 367 echo "#ifndef CONFIG_TCCDIR" >> $TMPH
 368 echo "#define CONFIG_TCCDIR \"$tccdir\"" >> $TMPH
 369 echo "#define CONFIG_TCC_LDDIR \"$lddir\"" >> $TMPH
 370 echo "#define CONFIG_TCC_EXTRA_LDDIR \"$extralddir\"" >> $TMPH
 371 echo "#endif" >> $TMPH
 372 echo "CC=$cc" >> config.mak
 373 echo "GCC_MAJOR=$gcc_major" >> config.mak
 374 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 375 echo "HOST_CC=$host_cc" >> config.mak
 376 echo "AR=$ar" >> config.mak
 377 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 378 echo "CFLAGS=$CFLAGS" >> config.mak
 379 echo "LDFLAGS=$LDFLAGS" >> config.mak
 380 echo "LIBSUF=$LIBSUF" >> config.mak
 381 echo "EXESUF=$EXESUF" >> config.mak
 382 if test "$cpu" = "x86" ; then
 383   echo "ARCH=i386" >> config.mak
 384   echo "#define HOST_I386 1" >> $TMPH
 385 elif test "$cpu" = "x86-64" ; then
 386   echo "ARCH=x86-64" >> config.mak
 387   echo "#define HOST_X86_64 1" >> $TMPH
 388 elif test "$cpu" = "armv4l" ; then
 389   echo "ARCH=arm" >> config.mak
 390   echo "#define HOST_ARM 1" >> $TMPH
 391 elif test "$cpu" = "powerpc" ; then
 392   echo "ARCH=ppc" >> config.mak
 393   echo "#define HOST_PPC 1" >> $TMPH
 394 elif test "$cpu" = "mips" ; then
 395   echo "ARCH=mips" >> config.mak
 396   echo "#define HOST_MIPS 1" >> $TMPH
 397 elif test "$cpu" = "s390" ; then
 398   echo "ARCH=s390" >> config.mak
 399   echo "#define HOST_S390 1" >> $TMPH
 400 elif test "$cpu" = "alpha" ; then
 401   echo "ARCH=alpha" >> config.mak
 402   echo "#define HOST_ALPHA 1" >> $TMPH
 403 else
 404   echo "Unsupported CPU"
 405   exit 1
 406 fi
 407 if test "$noldl" = "yes" ; then
 408   echo "CONFIG_NOLDL=yes" >> config.mak
 409 fi
 410 if test "$mingw32" = "yes" ; then
 411   echo "CONFIG_WIN32=yes" >> config.mak
 412   echo "#define CONFIG_WIN32 1" >> $TMPH
 413 fi
 414 if test "$cygwin" = "yes" ; then
 415   echo "#ifndef _WIN32" >> $TMPH
 416   echo "#define _WIN32" >> $TMPH
 417   echo "#endif" >> $TMPH
 418   echo "AR=ar" >> config.mak
 419 fi
 420 if test "$bigendian" = "yes" ; then
 421   echo "WORDS_BIGENDIAN=yes" >> config.mak
 422   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 423 fi
 424 if test "$gprof" = "yes" ; then
 425   echo "TARGET_GPROF=yes" >> config.mak
 426   echo "#define HAVE_GPROF 1" >> $TMPH
 427 fi
 428 if test "$build_cross" = "yes" ; then
 429   echo "CONFIG_CROSS=yes" >> config.mak
 430 fi
 431 if test "$disable_static" = "yes" ; then
 432   echo "DISABLE_STATIC=yes" >> config.mak
 433 fi
 434 if test "$disable_rpath" = "yes" ; then
 435   echo "DISABLE_RPATH=yes" >> config.mak
 436 fi
 437 if test "$strip_binaries" = "yes" ; then
 438   echo "STRIP_BINARIES=yes" >> config.mak
 439 fi
 440 if test "$use_libgcc" = "yes" ; then
 441   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 442   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 443 fi
 444 if test "$have_selinux" = "yes" ; then
 445   echo "#define HAVE_SELINUX" >> $TMPH
 446   echo "HAVE_SELINUX=yes" >> config.mak
 447 fi
 448 version=`head $source_path/VERSION`
 449 echo "VERSION=$version" >>config.mak
 450 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 451 echo "@set VERSION $version" > config.texi
 452
 453 # build tree in object directory if source path is different from current one
 454 if test "$source_path_used" = "yes" ; then
 455     DIRS="tests"
 456     FILES="Makefile tests/Makefile"
 457     for dir in $DIRS ; do
 458         mkdir -p $dir
 459     done
 460     for f in $FILES ; do
 461         ln -sf $source_path/$f $f
 462     done
 463 fi
 464 echo "SRC_PATH=$source_path" >> config.mak
 465
 466 diff $TMPH config.h >/dev/null 2>&1
 467 if test $? -ne 0 ; then
 468     mv -f $TMPH config.h
 469 else
 470     echo "config.h is unchanged"
 471 fi
 472
 473 rm -f $TMPN*