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 RDM1="$(dd if=/dev/urandom count=1 2> /dev/null | cksum | cut -f1 -d" " )"
  15 RDM2="$(dd if=/dev/urandom count=1 2> /dev/null | cksum | cut -f1 -d" " )"
  16 TMPC="${TMPDIR1}/tcc-conf-${RDM1}-$$-${RDM2}.c"
  17 RDM1="$(dd if=/dev/urandom count=1 2> /dev/null | cksum | cut -f1 -d" " )"
  18 RDM2="$(dd if=/dev/urandom count=1 2> /dev/null | cksum | cut -f1 -d" " )"
  19 TMPO="${TMPDIR1}/tcc-conf-${RDM1}-$$-${RDM2}.o"
  20 RDM1="$(dd if=/dev/urandom count=1 2> /dev/null | cksum | cut -f1 -d" " )"
  21 RDM2="$(dd if=/dev/urandom count=1 2> /dev/null | cksum | cut -f1 -d" " )"
  22 TMPE="${TMPDIR1}/tcc-conf-${RDM1}-$$-${RDM2}"
  23 RDM1="$(dd if=/dev/urandom count=1 2> /dev/null | cksum | cut -f1 -d" " )"
  24 RDM2="$(dd if=/dev/urandom count=1 2> /dev/null | cksum | cut -f1 -d" " )"
  25 TMPS="${TMPDIR1}/tcc-conf-${RDM1}-$$-${RDM2}.S"
  26 RDM1="$(dd if=/dev/urandom count=1 2> /dev/null | cksum | cut -f1 -d" " )"
  27 RDM2="$(dd if=/dev/urandom count=1 2> /dev/null | cksum | cut -f1 -d" " )"
  28 TMPH="${TMPDIR1}/tcc-conf-${RDM1}-$$-${RDM2}.h"
  29
  30 # default parameters
  31 build_cross="no"
  32 use_libgcc="no"
  33 prefix=""
  34 execprefix=""
  35 bindir=""
  36 libdir=""
  37 tccdir=""
  38 includedir=""
  39 mandir=""
  40 sysroot=""
  41 cross_prefix=""
  42 cc="gcc"
  43 host_cc="gcc"
  44 ar="ar"
  45 strip="strip"
  46 cpu=`uname -m`
  47 case "$cpu" in
  48   i386|i486|i586|i686|i86pc|BePC)
  49     cpu="x86"
  50   ;;
  51   x86_64)
  52     cpu="x86-64"
  53   ;;
  54   armv4l|armv5tel|armv6j|armv7a)
  55     cpu="armv4l"
  56   ;;
  57   alpha)
  58     cpu="alpha"
  59   ;;
  60   "Power Macintosh"|ppc|ppc64)
  61     cpu="powerpc"
  62   ;;
  63   mips)
  64     cpu="mips"
  65   ;;
  66   s390)
  67     cpu="s390"
  68   ;;
  69   *)
  70     cpu="unknown"
  71   ;;
  72 esac
  73 gprof="no"
  74 bigendian="no"
  75 mingw32="no"
  76 LIBSUF=".a"
  77 EXESUF=""
  78
  79 # OS specific
  80 targetos=`uname -s`
  81 case $targetos in
  82 MINGW32*)
  83 mingw32="yes"
  84 ;;
  85 DragonFly)
  86 noldl="yes"
  87 ;;
  88 OpenBSD)
  89 noldl="yes"
  90 ;;
  91 *) ;;
  92 esac
  93
  94 # find source path
  95 # XXX: we assume an absolute path is given when launching configure,
  96 # except in './configure' case.
  97 source_path=${0%configure}
  98 source_path=${source_path%/}
  99 source_path_used="yes"
 100 if test -z "$source_path" -o "$source_path" = "." ; then
 101     source_path=`pwd`
 102     source_path_used="no"
 103 fi
 104
 105 for opt do
 106   case "$opt" in
 107   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 108   ;;
 109   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 110   ;;
 111   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 112   ;;
 113   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 114   ;;
 115   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 116   ;;
 117   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 118   ;;
 119   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 120   ;;
 121   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 122   ;;
 123   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 124   ;;
 125   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 126   ;;
 127   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 128   ;;
 129   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 130   ;;
 131   --extra-libs=*) extralibs=${opt#--extra-libs=}
 132   ;;
 133   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 134   ;;
 135   --enable-gprof) gprof="yes"
 136   ;;
 137   --enable-mingw32) mingw32="yes" ; cross_prefix="i386-mingw32-"
 138   ;;
 139   --enable-cross) build_cross="yes"
 140   ;;
 141   --disable-static) disable_static="yes"
 142   ;;
 143   --with-libgcc) use_libgcc="yes"
 144   ;;
 145   --with-selinux) have_selinux="yes"
 146   ;;
 147   --help|-h) show_help="yes"
 148   ;;
 149   esac
 150 done
 151
 152 # Checking for CFLAGS
 153 if test -z "$CFLAGS"; then
 154     CFLAGS="-O2"
 155 fi
 156
 157 cc="${cross_prefix}${cc}"
 158 ar="${cross_prefix}${ar}"
 159 strip="${cross_prefix}${strip}"
 160
 161 if test "$mingw32" = "yes" ; then
 162     LIBSUF=".lib"
 163     EXESUF=".exe"
 164 fi
 165
 166 if test -z "$cross_prefix" ; then
 167
 168 # ---
 169 # big/little endian test
 170 cat > $TMPC << EOF
 171 #include <inttypes.h>
 172 int main(int argc, char ** argv){
 173     volatile uint32_t i=0x01234567;
 174     return (*((uint8_t*)(&i))) == 0x67;
 175 }
 176 EOF
 177
 178 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 179     $TMPE && bigendian="yes"
 180 else
 181     echo big/little test failed
 182 fi
 183
 184 else
 185
 186 # if cross compiling, cannot launch a program, so make a static guess
 187 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 188     bigendian="yes"
 189 fi
 190
 191 fi
 192
 193 # check gcc version
 194 cat > $TMPC <<EOF
 195 int main(void) {
 196 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 197 return 0;
 198 #else
 199 #error gcc < 3.2
 200 #endif
 201 }
 202 EOF
 203
 204 gcc_major="2"
 205 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 206     gcc_major="3"
 207 fi
 208 cat > $TMPC <<EOF
 209 int main(void) {
 210 #if __GNUC__ >= 4
 211 return 0;
 212 #else
 213 #error gcc < 4
 214 #endif
 215 }
 216 EOF
 217
 218 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 219     gcc_major="4"
 220 fi
 221
 222 if test x"$show_help" = "xyes" ; then
 223 cat << EOF
 224
 225 Usage: configure [options]
 226 Options: [defaults in brackets after descriptions]
 227
 228 EOF
 229 echo "Standard options:"
 230 echo "  --help                   print this message"
 231 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 232 echo "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 233 echo "                           [same as prefix]"
 234 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 235 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 236 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 237 echo "  --mandir=DIR             man documentation in DIR [PREFIX/man]"
 238 echo "  --enable-cross           build cross compilers"
 239 echo ""
 240 echo "Advanced options (experts only):"
 241 echo "  --source-path=PATH       path of source code [$source_path]"
 242 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 243 echo "  --sysroot=PREFIX         prepend PREFIX to library/include paths []"
 244 echo "  --cc=CC                  use C compiler CC [$cc]"
 245 echo "  --disable-static         make libtcc.so instead of libtcc.a"
 246 echo "  --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc1.a"
 247 echo "  --with-selinux           use mmap instead of exec mem"
 248 echo "                           [requires write access to /tmp]"
 249 echo ""
 250 #echo "NOTE: The object files are build at the place where configure is launched"
 251 exit 1
 252 fi
 253
 254 if test "$mingw32" = "yes" ; then
 255     if test -z "$prefix" ; then
 256         prefix="C:/Program Files/tcc"
 257     fi
 258     execprefix="$prefix"
 259     bindir="$prefix"
 260     tccdir="$prefix"
 261     docdir="$prefix/doc"
 262 else
 263     if test -z "$prefix" ; then
 264         prefix="/usr/local"
 265     fi
 266     if test x"$execprefix" = x""; then
 267         execprefix="${prefix}"
 268     fi
 269     if test x"$bindir" = x""; then
 270         bindir="${execprefix}/bin"
 271     fi
 272     if test x"$docdir" = x""; then
 273         docdir="$prefix/share/doc/tcc"
 274     fi
 275 fi # mingw32
 276
 277 if test x"$libdir" = x""; then
 278 libdir="${execprefix}/lib"
 279 fi
 280 if test x"$tccdir" = x""; then
 281 tccdir="${libdir}/tcc"
 282 fi
 283 if test x"$mandir" = x""; then
 284 mandir="${prefix}/man"
 285 fi
 286 if test x"$includedir" = x""; then
 287 includedir="${prefix}/include"
 288 fi
 289
 290 echo "Binary  directory   $bindir"
 291 echo "TinyCC directory    $tccdir"
 292 echo "Library directory   $libdir"
 293 echo "Include directory   $includedir"
 294 echo "Manual directory    $mandir"
 295 echo "Doc directory       $docdir"
 296 echo "Target root prefix  $sysroot"
 297 echo "Source path      $source_path"
 298 echo "C compiler       $cc"
 299 echo "CPU              $cpu"
 300 echo "Big Endian       $bigendian"
 301 echo "gprof enabled    $gprof"
 302 echo "cross compilers  $build_cross"
 303 echo "use libgcc       $use_libgcc"
 304
 305 echo "Creating config.mak and config.h"
 306
 307 echo "# Automatically generated by configure - do not modify" > config.mak
 308 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 309
 310 echo "prefix=$prefix" >> config.mak
 311 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
 312 echo "tccdir=\$(DESTDIR)$tccdir" >> config.mak
 313 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
 314 echo "ln_libdir=$libdir" >> config.mak
 315 echo "includedir=\$(DESTDIR)$includedir" >> config.mak
 316 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
 317 echo "docdir=\$(DESTDIR)$docdir" >> config.mak
 318
 319 echo "#define CONFIG_SYSROOT \"$sysroot\"" >> $TMPH
 320 echo "#define CONFIG_TCCDIR \"$tccdir\"" >> $TMPH
 321 echo "CC=$cc" >> config.mak
 322 echo "GCC_MAJOR=$gcc_major" >> config.mak
 323 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 324 echo "HOST_CC=$host_cc" >> config.mak
 325 echo "AR=$ar" >> config.mak
 326 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 327 echo "CFLAGS=$CFLAGS" >> config.mak
 328 echo "LDFLAGS=$LDFLAGS" >> config.mak
 329 echo "LIBSUF=$LIBSUF" >> config.mak
 330 echo "EXESUF=$EXESUF" >> config.mak
 331 if test "$cpu" = "x86" ; then
 332   echo "ARCH=i386" >> config.mak
 333   echo "#define HOST_I386 1" >> $TMPH
 334 elif test "$cpu" = "x86-64" ; then
 335   echo "ARCH=x86-64" >> config.mak
 336   echo "#define HOST_X86_64 1" >> $TMPH
 337 elif test "$cpu" = "armv4l" ; then
 338   echo "ARCH=arm" >> config.mak
 339   echo "#define HOST_ARM 1" >> $TMPH
 340 elif test "$cpu" = "powerpc" ; then
 341   echo "ARCH=ppc" >> config.mak
 342   echo "#define HOST_PPC 1" >> $TMPH
 343 elif test "$cpu" = "mips" ; then
 344   echo "ARCH=mips" >> config.mak
 345   echo "#define HOST_MIPS 1" >> $TMPH
 346 elif test "$cpu" = "s390" ; then
 347   echo "ARCH=s390" >> config.mak
 348   echo "#define HOST_S390 1" >> $TMPH
 349 elif test "$cpu" = "alpha" ; then
 350   echo "ARCH=alpha" >> config.mak
 351   echo "#define HOST_ALPHA 1" >> $TMPH
 352 else
 353   echo "Unsupported CPU"
 354   exit 1
 355 fi
 356 if test "$noldl" = "yes" ; then
 357   echo "CONFIG_NOLDL=yes" >> config.mak
 358 fi
 359 if test "$mingw32" = "yes" ; then
 360   echo "CONFIG_WIN32=yes" >> config.mak
 361   echo "#define CONFIG_WIN32 1" >> $TMPH
 362 fi
 363 if test "$bigendian" = "yes" ; then
 364   echo "WORDS_BIGENDIAN=yes" >> config.mak
 365   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 366 fi
 367 if test "$gprof" = "yes" ; then
 368   echo "TARGET_GPROF=yes" >> config.mak
 369   echo "#define HAVE_GPROF 1" >> $TMPH
 370 fi
 371 if test "$build_cross" = "yes" ; then
 372   echo "CONFIG_CROSS=yes" >> config.mak
 373 fi
 374 if test "$disable_static" = "yes" ; then
 375   echo "DISABLE_STATIC=yes" >> config.mak
 376 fi
 377 if test "$use_libgcc" = "yes" ; then
 378   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 379   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 380 fi
 381 if test "$have_selinux" = "yes" ; then
 382   echo "#define HAVE_SELINUX" >> $TMPH
 383   echo "HAVE_SELINUX=yes" >> config.mak
 384 fi
 385 version=`head $source_path/VERSION`
 386 echo "VERSION=$version" >>config.mak
 387 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 388 echo "@set VERSION $version" > config.texi
 389
 390 # build tree in object directory if source path is different from current one
 391 if test "$source_path_used" = "yes" ; then
 392     DIRS="tests"
 393     FILES="Makefile tests/Makefile"
 394     for dir in $DIRS ; do
 395         mkdir -p $dir
 396     done
 397     for f in $FILES ; do
 398         ln -sf $source_path/$f $f
 399     done
 400 fi
 401 echo "SRC_PATH=$source_path" >> config.mak
 402
 403 diff $TMPH config.h >/dev/null 2>&1
 404 if test $? -ne 0 ; then
 405     mv -f $TMPH config.h
 406 else
 407     echo "config.h is unchanged"
 408 fi
 409
 410 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH