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)
  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 $opt | cut -d '=' -f 2`
 124   ;;
 125   --enable-gprof) gprof="yes"
 126   ;;
 127   --enable-mingw32) mingw32="yes" ; cross_prefix="i386-mingw32-"
 128   ;;
 129   --enable-cross) build_cross="yes"
 130   ;;
 131   --with-libgcc) use_libgcc="yes"
 132   ;;
 133   --help|-h) show_help="yes"
 134   ;;
 135   esac
 136 done
 137
 138 # Checking for CFLAGS
 139 if test -z "$CFLAGS"; then
 140     CFLAGS="-O2"
 141 fi
 142
 143 cc="${cross_prefix}${cc}"
 144 ar="${cross_prefix}${ar}"
 145 strip="${cross_prefix}${strip}"
 146
 147 if test "$mingw32" = "yes" ; then
 148     LIBSUF=".lib"
 149     EXESUF=".exe"
 150 fi
 151
 152 if test -z "$cross_prefix" ; then
 153
 154 # ---
 155 # big/little endian test
 156 cat > $TMPC << EOF
 157 #include <inttypes.h>
 158 int main(int argc, char ** argv){
 159     volatile uint32_t i=0x01234567;
 160     return (*((uint8_t*)(&i))) == 0x67;
 161 }
 162 EOF
 163
 164 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 165     $TMPE && bigendian="yes"
 166 else
 167     echo big/little test failed
 168 fi
 169
 170 else
 171
 172 # if cross compiling, cannot launch a program, so make a static guess
 173 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 174     bigendian="yes"
 175 fi
 176
 177 fi
 178
 179 # check gcc version
 180 cat > $TMPC <<EOF
 181 int main(void) {
 182 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 183 return 0;
 184 #else
 185 #error gcc < 3.2
 186 #endif
 187 }
 188 EOF
 189
 190 gcc_major="2"
 191 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 192     gcc_major="3"
 193 fi
 194 cat > $TMPC <<EOF
 195 int main(void) {
 196 #if __GNUC__ >= 4
 197 return 0;
 198 #else
 199 #error gcc < 4
 200 #endif
 201 }
 202 EOF
 203
 204 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 205     gcc_major="4"
 206 fi
 207
 208 if test x"$show_help" = "xyes" ; then
 209 cat << EOF
 210
 211 Usage: configure [options]
 212 Options: [defaults in brackets after descriptions]
 213
 214 EOF
 215 echo "Standard options:"
 216 echo "  --help                   print this message"
 217 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 218 echo "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 219 echo "                           [same as prefix]"
 220 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 221 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 222 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 223 echo "  --mandir=DIR             man documentation in DIR [PREFIX/man]"
 224 echo "  --enable-cross           build cross compilers"
 225 echo ""
 226 echo "Advanced options (experts only):"
 227 echo "  --source-path=PATH       path of source code [$source_path]"
 228 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 229 echo "  --sysroot=PREFIX         prepend PREFIX to library/include paths []"
 230 echo "  --cc=CC                  use C compiler CC [$cc]"
 231 echo "  --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc1.a"
 232 echo ""
 233 #echo "NOTE: The object files are build at the place where configure is launched"
 234 exit 1
 235 fi
 236
 237 if test "$mingw32" = "yes" ; then
 238     if test -z "$prefix" ; then
 239         prefix="C:/Program Files/tcc"
 240     fi
 241     execprefix="$prefix"
 242     bindir="$prefix"
 243     tccdir="$prefix"
 244     docdir="$prefix/doc"
 245 else
 246     if test -z "$prefix" ; then
 247         prefix="/usr/local"
 248     fi
 249     if test x"$execprefix" = x""; then
 250         execprefix="${prefix}"
 251     fi
 252     if test x"$bindir" = x""; then
 253         bindir="${execprefix}/bin"
 254     fi
 255     if test x"$docdir" = x""; then
 256         docdir="$prefix/share/doc/tcc"
 257     fi
 258 fi # mingw32
 259
 260 if test x"$libdir" = x""; then
 261 libdir="${execprefix}/lib"
 262 fi
 263 if test x"$tccdir" = x""; then
 264 tccdir="${execprefix}/lib/tcc"
 265 fi
 266 if test x"$mandir" = x""; then
 267 mandir="${prefix}/man"
 268 fi
 269 if test x"$includedir" = x""; then
 270 includedir="${prefix}/include"
 271 fi
 272
 273 echo "Binary  directory   $bindir"
 274 echo "TinyCC directory    $tccdir"
 275 echo "Library directory   $libdir"
 276 echo "Include directory   $includedir"
 277 echo "Manual directory    $mandir"
 278 echo "Doc directory       $docdir"
 279 echo "Target root prefix  $sysroot"
 280 echo "Source path      $source_path"
 281 echo "C compiler       $cc"
 282 echo "CPU              $cpu"
 283 echo "Big Endian       $bigendian"
 284 echo "gprof enabled    $gprof"
 285 echo "cross compilers  $build_cross"
 286 echo "use libgcc       $use_libgcc"
 287
 288 echo "Creating config.mak and config.h"
 289
 290 echo "# Automatically generated by configure - do not modify" > config.mak
 291 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 292
 293 echo "prefix=\$(DESTDIR)$prefix" >> config.mak
 294 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
 295 echo "tccdir=\$(DESTDIR)$tccdir" >> config.mak
 296 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
 297 echo "includedir=\$(DESTDIR)$includedir" >> config.mak
 298 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
 299 echo "docdir=\$(DESTDIR)$docdir" >> config.mak
 300
 301 echo "#define CONFIG_SYSROOT \"$sysroot\"" >> $TMPH
 302 echo "#define CONFIG_TCCDIR \"$tccdir\"" >> $TMPH
 303 echo "CC=$cc" >> config.mak
 304 echo "GCC_MAJOR=$gcc_major" >> config.mak
 305 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 306 echo "HOST_CC=$host_cc" >> config.mak
 307 echo "AR=$ar" >> config.mak
 308 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 309 echo "CFLAGS=$CFLAGS" >> config.mak
 310 echo "LDFLAGS=$LDFLAGS" >> config.mak
 311 echo "LIBSUF=$LIBSUF" >> config.mak
 312 echo "EXESUF=$EXESUF" >> config.mak
 313 if test "$cpu" = "x86" ; then
 314   echo "ARCH=i386" >> config.mak
 315   echo "#define HOST_I386 1" >> $TMPH
 316 elif test "$cpu" = "x86-64" ; then
 317   echo "ARCH=x86-64" >> config.mak
 318   echo "#define HOST_X86_64 1" >> $TMPH
 319 elif test "$cpu" = "armv4l" ; then
 320   echo "ARCH=arm" >> config.mak
 321   echo "#define HOST_ARM 1" >> $TMPH
 322 elif test "$cpu" = "powerpc" ; then
 323   echo "ARCH=ppc" >> config.mak
 324   echo "#define HOST_PPC 1" >> $TMPH
 325 elif test "$cpu" = "mips" ; then
 326   echo "ARCH=mips" >> config.mak
 327   echo "#define HOST_MIPS 1" >> $TMPH
 328 elif test "$cpu" = "s390" ; then
 329   echo "ARCH=s390" >> config.mak
 330   echo "#define HOST_S390 1" >> $TMPH
 331 elif test "$cpu" = "alpha" ; then
 332   echo "ARCH=alpha" >> config.mak
 333   echo "#define HOST_ALPHA 1" >> $TMPH
 334 else
 335   echo "Unsupported CPU"
 336   exit 1
 337 fi
 338 if test "$noldl" = "yes" ; then
 339   echo "CONFIG_NOLDL=yes" >> config.mak
 340 fi
 341 if test "$mingw32" = "yes" ; then
 342   echo "CONFIG_WIN32=yes" >> config.mak
 343   echo "#define CONFIG_WIN32 1" >> $TMPH
 344 fi
 345 if test "$bigendian" = "yes" ; then
 346   echo "WORDS_BIGENDIAN=yes" >> config.mak
 347   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 348 fi
 349 if test "$gprof" = "yes" ; then
 350   echo "TARGET_GPROF=yes" >> config.mak
 351   echo "#define HAVE_GPROF 1" >> $TMPH
 352 fi
 353 if test "$build_cross" = "yes" ; then
 354   echo "CONFIG_CROSS=yes" >> config.mak
 355 fi
 356 if test "$use_libgcc" = "yes" ; then
 357   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 358   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 359 fi
 360 version=`head $source_path/VERSION`
 361 echo "VERSION=$version" >>config.mak
 362 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 363 echo "@set VERSION $version" > config.texi
 364
 365 # build tree in object directory if source path is different from current one
 366 if test "$source_path_used" = "yes" ; then
 367     DIRS="tests"
 368     FILES="Makefile tests/Makefile"
 369     for dir in $DIRS ; do
 370         mkdir -p $dir
 371     done
 372     for f in $FILES ; do
 373         ln -sf $source_path/$f $f
 374     done
 375 fi
 376 echo "SRC_PATH=$source_path" >> config.mak
 377
 378 diff $TMPH config.h >/dev/null 2>&1
 379 if test $? -ne 0 ; then
 380     mv -f $TMPH config.h
 381 else
 382     echo "config.h is unchanged"
 383 fi
 384
 385 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH