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