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