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