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 # bashism: TMPN="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.c"
  15 TMPN="./conftest-$$"
  16
  17 TMPC=$TMPN.c
  18 TMPH=$TMPN.h
  19 TMPO=$TMPN.o
  20 TMPE=$TMPN
  21
  22 # default parameters
  23 build_cross="no"
  24 use_libgcc="no"
  25 prefix=""
  26 execprefix=""
  27 bindir=""
  28 libdir=""
  29 tccdir=""
  30 includedir=""
  31 mandir=""
  32 infodir=""
  33 sysroot=""
  34 cross_prefix=""
  35 cc="gcc"
  36 host_cc="gcc"
  37 ar="ar"
  38 strip="strip"
  39 cygwin="no"
  40 cpu=`uname -m`
  41 case "$cpu" in
  42   i386|i486|i586|i686|i86pc|BePC|i686-AT386)
  43     cpu="x86"
  44   ;;
  45   x86_64)
  46     cpu="x86-64"
  47   ;;
  48   armv4l|armv5tel|armv6j|armv7a)
  49     cpu="armv4l"
  50   ;;
  51   alpha)
  52     cpu="alpha"
  53   ;;
  54   "Power Macintosh"|ppc|ppc64)
  55     cpu="powerpc"
  56   ;;
  57   mips)
  58     cpu="mips"
  59   ;;
  60   s390)
  61     cpu="s390"
  62   ;;
  63   *)
  64     cpu="unknown"
  65   ;;
  66 esac
  67 gprof="no"
  68 bigendian="no"
  69 mingw32="no"
  70 LIBSUF=".a"
  71 EXESUF=""
  72
  73 # OS specific
  74 targetos=`uname -s`
  75 case $targetos in
  76 MINGW32*)
  77 mingw32="yes"
  78 ;;
  79 DragonFly)
  80 noldl="yes"
  81 ;;
  82 OpenBSD)
  83 noldl="yes"
  84 ;;
  85 *) ;;
  86 esac
  87
  88 # find source path
  89 # XXX: we assume an absolute path is given when launching configure,
  90 # except in './configure' case.
  91 source_path=${0%configure}
  92 source_path=${source_path%/}
  93 source_path_used="yes"
  94 if test -z "$source_path" -o "$source_path" = "." ; then
  95     source_path=`pwd`
  96     source_path_used="no"
  97 fi
  98
  99 for opt do
 100   case "$opt" in
 101   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 102   ;;
 103   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 104   ;;
 105   --tccdir=*) tccdir=${libdir}/`echo $opt | cut -d '=' -f 2`
 106   ;;
 107   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 108   ;;
 109   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 110   ;;
 111   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 112   ;;
 113   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 114   ;;
 115   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 116   ;;
 117   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 118   ;;
 119   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 120   ;;
 121   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 122   ;;
 123   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 124   ;;
 125   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 126   ;;
 127   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 128   ;;
 129   --extra-libs=*) extralibs=${opt#--extra-libs=}
 130   ;;
 131   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 132   ;;
 133   --enable-gprof) gprof="yes"
 134   ;;
 135   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 136   ;;
 137   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 138   ;;
 139   --enable-cross) build_cross="yes"
 140   ;;
 141   --disable-static) disable_static="yes"
 142   ;;
 143   --disable-rpath) disable_rpath="yes"
 144   ;;
 145   --with-libgcc) use_libgcc="yes"
 146   ;;
 147   --with-selinux) have_selinux="yes"
 148   ;;
 149   --help|-h) show_help="yes"
 150   ;;
 151   esac
 152 done
 153
 154 # Checking for CFLAGS
 155 if test -z "$CFLAGS"; then
 156     CFLAGS="-O2"
 157 fi
 158
 159 cc="${cross_prefix}${cc}"
 160 ar="${cross_prefix}${ar}"
 161 strip="${cross_prefix}${strip}"
 162
 163 if test "$mingw32" = "yes" ; then
 164     LIBSUF=".lib"
 165     EXESUF=".exe"
 166 fi
 167
 168 if test -z "$cross_prefix" ; then
 169
 170 # ---
 171 # big/little endian test
 172 cat > $TMPC << EOF
 173 #include <inttypes.h>
 174 int main(int argc, char ** argv){
 175     volatile uint32_t i=0x01234567;
 176     return (*((uint8_t*)(&i))) == 0x67;
 177 }
 178 EOF
 179
 180 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 181     $TMPE && bigendian="yes"
 182 else
 183     echo big/little test failed
 184 fi
 185
 186 else
 187
 188 # if cross compiling, cannot launch a program, so make a static guess
 189 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 190     bigendian="yes"
 191 fi
 192
 193 fi
 194
 195 # check gcc version
 196 cat > $TMPC <<EOF
 197 int main(void) {
 198 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 199 return 0;
 200 #else
 201 #error gcc < 3.2
 202 #endif
 203 }
 204 EOF
 205
 206 gcc_major="2"
 207 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 208     gcc_major="3"
 209 fi
 210 cat > $TMPC <<EOF
 211 int main(void) {
 212 #if __GNUC__ >= 4
 213 return 0;
 214 #else
 215 #error gcc < 4
 216 #endif
 217 }
 218 EOF
 219
 220 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 221     gcc_major="4"
 222 fi
 223
 224 if test x"$show_help" = "xyes" ; then
 225 cat << EOF
 226
 227 Usage: configure [options]
 228 Options: [defaults in brackets after descriptions]
 229
 230 EOF
 231 echo "Standard options:"
 232 echo "  --help                   print this message"
 233 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 234 echo "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 235 echo "                           [same as prefix]"
 236 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 237 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 238 echo "  --tccdir=DIR             installation directory [EPREFIX/lib/tcc]"
 239 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 240 echo "  --mandir=DIR             man documentation in DIR [PREFIX/man]"
 241 echo "  --infodir=DIR            info documentation in DIR [PREFIX/info]"
 242 echo ""
 243 echo "Advanced options (experts only):"
 244 echo "  --source-path=PATH       path of source code [$source_path]"
 245 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 246 echo "  --sysroot=PREFIX         prepend PREFIX to library/include paths []"
 247 echo "  --cc=CC                  use C compiler CC [$cc]"
 248 echo "  --disable-static         make libtcc.so instead of libtcc.a"
 249 echo "  --disable-rpath          disable use of -rpath with the above"
 250 echo "  --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc.a"
 251 echo "  --enable-mingw32         build windows version on linux with mingw32"
 252 echo "  --enable-cygwin          build windows version on windows with cygwin"
 253 echo "                           [requires cygwin and mingw32-make]"
 254 echo "  --enable-cross           build cross compilers"
 255 echo "  --extra-cflags=          extra compiler flags"
 256 echo "  --extra-ldflags=         extra linker options"
 257 echo "  --with-selinux           use mmap instead of exec mem"
 258 echo "                           [requires write access to /tmp]"
 259 echo ""
 260 #echo "NOTE: The object files are build at the place where configure is launched"
 261 exit 1
 262 fi
 263
 264 if test "$mingw32" = "yes" ; then
 265     if test x"$tccdir" = x""; then
 266     tccdir="tcc"
 267     fi
 268     if test -z "$prefix" ; then
 269         prefix="C:/Program Files/${tccdir}"
 270     fi
 271     execprefix="$prefix"
 272     bindir="$prefix"
 273     tccdir="$prefix"
 274     docdir="$prefix/doc"
 275 else
 276     if test x"$tccdir" = x""; then
 277     tccdir="${libdir}/tcc"
 278     fi
 279     if test -z "$prefix" ; then
 280         prefix="/usr/local"
 281     fi
 282     if test x"$execprefix" = x""; then
 283         execprefix="${prefix}"
 284     fi
 285     if test x"$bindir" = x""; then
 286         bindir="${execprefix}/bin"
 287     fi
 288     if test x"$docdir" = x""; then
 289         docdir="$prefix/share/doc/${tccdir}"
 290     fi
 291 fi # mingw32
 292
 293 if test x"$libdir" = x""; then
 294 libdir="${execprefix}/lib"
 295 fi
 296 if test x"$mandir" = x""; then
 297 mandir="${prefix}/man"
 298 fi
 299 if test x"$infodir" = x""; then
 300 infodir="${prefix}/info"
 301 fi
 302 if test x"$includedir" = x""; then
 303 includedir="${prefix}/include"
 304 fi
 305
 306 echo "Binary  directory   $bindir"
 307 echo "TinyCC directory    $tccdir"
 308 echo "Library directory   $libdir"
 309 echo "Include directory   $includedir"
 310 echo "Manual directory    $mandir"
 311 echo "Info directory    $infodir"
 312 echo "Doc directory       $docdir"
 313 echo "Target root prefix  $sysroot"
 314 echo "Source path      $source_path"
 315 echo "C compiler       $cc"
 316 echo "CPU              $cpu"
 317 echo "Big Endian       $bigendian"
 318 echo "gprof enabled    $gprof"
 319 echo "cross compilers  $build_cross"
 320 echo "use libgcc       $use_libgcc"
 321
 322 echo "Creating config.mak and config.h"
 323
 324 echo "# Automatically generated by configure - do not modify" > config.mak
 325 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 326
 327 echo "prefix=$prefix" >> config.mak
 328 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
 329 echo "tccdir=\$(DESTDIR)$tccdir" >> config.mak
 330 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
 331 echo "ln_libdir=$libdir" >> config.mak
 332 echo "includedir=\$(DESTDIR)$includedir" >> config.mak
 333 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
 334 echo "infodir=\$(DESTDIR)$infodir" >> config.mak
 335 echo "docdir=\$(DESTDIR)$docdir" >> config.mak
 336
 337 echo "#define CONFIG_SYSROOT \"$sysroot\"" >> $TMPH
 338 echo "#ifndef CONFIG_TCCDIR" >> $TMPH
 339 echo "#define CONFIG_TCCDIR \"$tccdir\"" >> $TMPH
 340 echo "#endif" >> $TMPH
 341 echo "CC=$cc" >> config.mak
 342 echo "GCC_MAJOR=$gcc_major" >> config.mak
 343 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 344 echo "HOST_CC=$host_cc" >> config.mak
 345 echo "AR=$ar" >> config.mak
 346 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 347 echo "CFLAGS=$CFLAGS" >> config.mak
 348 echo "LDFLAGS=$LDFLAGS" >> config.mak
 349 echo "LIBSUF=$LIBSUF" >> config.mak
 350 echo "EXESUF=$EXESUF" >> config.mak
 351 if test "$cpu" = "x86" ; then
 352   echo "ARCH=i386" >> config.mak
 353   echo "#define HOST_I386 1" >> $TMPH
 354 elif test "$cpu" = "x86-64" ; then
 355   echo "ARCH=x86-64" >> config.mak
 356   echo "#define HOST_X86_64 1" >> $TMPH
 357 elif test "$cpu" = "armv4l" ; then
 358   echo "ARCH=arm" >> config.mak
 359   echo "#define HOST_ARM 1" >> $TMPH
 360 elif test "$cpu" = "powerpc" ; then
 361   echo "ARCH=ppc" >> config.mak
 362   echo "#define HOST_PPC 1" >> $TMPH
 363 elif test "$cpu" = "mips" ; then
 364   echo "ARCH=mips" >> config.mak
 365   echo "#define HOST_MIPS 1" >> $TMPH
 366 elif test "$cpu" = "s390" ; then
 367   echo "ARCH=s390" >> config.mak
 368   echo "#define HOST_S390 1" >> $TMPH
 369 elif test "$cpu" = "alpha" ; then
 370   echo "ARCH=alpha" >> config.mak
 371   echo "#define HOST_ALPHA 1" >> $TMPH
 372 else
 373   echo "Unsupported CPU"
 374   exit 1
 375 fi
 376 if test "$noldl" = "yes" ; then
 377   echo "CONFIG_NOLDL=yes" >> config.mak
 378 fi
 379 if test "$mingw32" = "yes" ; then
 380   echo "CONFIG_WIN32=yes" >> config.mak
 381   echo "#define CONFIG_WIN32 1" >> $TMPH
 382 fi
 383 if test "$cygwin" = "yes" ; then
 384   echo "#ifndef _WIN32" >> $TMPH
 385   echo "#define _WIN32" >> $TMPH
 386   echo "#endif" >> $TMPH
 387   echo "AR=ar" >> config.mak
 388 fi
 389 if test "$bigendian" = "yes" ; then
 390   echo "WORDS_BIGENDIAN=yes" >> config.mak
 391   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 392 fi
 393 if test "$gprof" = "yes" ; then
 394   echo "TARGET_GPROF=yes" >> config.mak
 395   echo "#define HAVE_GPROF 1" >> $TMPH
 396 fi
 397 if test "$build_cross" = "yes" ; then
 398   echo "CONFIG_CROSS=yes" >> config.mak
 399 fi
 400 if test "$disable_static" = "yes" ; then
 401   echo "DISABLE_STATIC=yes" >> config.mak
 402 fi
 403 if test "$disable_rpath" = "yes" ; then
 404   echo "DISABLE_RPATH=yes" >> config.mak
 405 fi
 406 if test "$use_libgcc" = "yes" ; then
 407   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 408   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 409 fi
 410 if test "$have_selinux" = "yes" ; then
 411   echo "#define HAVE_SELINUX" >> $TMPH
 412   echo "HAVE_SELINUX=yes" >> config.mak
 413 fi
 414 version=`head $source_path/VERSION`
 415 echo "VERSION=$version" >>config.mak
 416 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 417 echo "@set VERSION $version" > config.texi
 418
 419 # build tree in object directory if source path is different from current one
 420 if test "$source_path_used" = "yes" ; then
 421     DIRS="tests"
 422     FILES="Makefile tests/Makefile"
 423     for dir in $DIRS ; do
 424         mkdir -p $dir
 425     done
 426     for f in $FILES ; do
 427         ln -sf $source_path/$f $f
 428     done
 429 fi
 430 echo "SRC_PATH=$source_path" >> config.mak
 431
 432 diff $TMPH config.h >/dev/null 2>&1
 433 if test $? -ne 0 ; then
 434     mv -f $TMPH config.h
 435 else
 436     echo "config.h is unchanged"
 437 fi
 438
 439 rm -f $TMPN*