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