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