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 $opt | cut -d '=' -f 2`
 132   ;;
 133   --enable-gprof) gprof="yes"
 134   ;;
 135   --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
 136   ;;
 137   --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
 138   ;;
 139   --enable-cross) build_cross="yes"
 140   ;;
 141   --disable-static) disable_static="yes"
 142   ;;
 143   --with-libgcc) use_libgcc="yes"
 144   ;;
 145   --with-selinux) have_selinux="yes"
 146   ;;
 147   --help|-h) show_help="yes"
 148   ;;
 149   esac
 150 done
 151
 152 # Checking for CFLAGS
 153 if test -z "$CFLAGS"; then
 154     CFLAGS="-O2"
 155 fi
 156
 157 cc="${cross_prefix}${cc}"
 158 ar="${cross_prefix}${ar}"
 159 strip="${cross_prefix}${strip}"
 160
 161 if test "$mingw32" = "yes" ; then
 162     LIBSUF=".lib"
 163     EXESUF=".exe"
 164 fi
 165
 166 if test -z "$cross_prefix" ; then
 167
 168 # ---
 169 # big/little endian test
 170 cat > $TMPC << EOF
 171 #include <inttypes.h>
 172 int main(int argc, char ** argv){
 173     volatile uint32_t i=0x01234567;
 174     return (*((uint8_t*)(&i))) == 0x67;
 175 }
 176 EOF
 177
 178 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 179     $TMPE && bigendian="yes"
 180 else
 181     echo big/little test failed
 182 fi
 183
 184 else
 185
 186 # if cross compiling, cannot launch a program, so make a static guess
 187 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 188     bigendian="yes"
 189 fi
 190
 191 fi
 192
 193 # check gcc version
 194 cat > $TMPC <<EOF
 195 int main(void) {
 196 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 197 return 0;
 198 #else
 199 #error gcc < 3.2
 200 #endif
 201 }
 202 EOF
 203
 204 gcc_major="2"
 205 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 206     gcc_major="3"
 207 fi
 208 cat > $TMPC <<EOF
 209 int main(void) {
 210 #if __GNUC__ >= 4
 211 return 0;
 212 #else
 213 #error gcc < 4
 214 #endif
 215 }
 216 EOF
 217
 218 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 219     gcc_major="4"
 220 fi
 221
 222 if test x"$show_help" = "xyes" ; then
 223 cat << EOF
 224
 225 Usage: configure [options]
 226 Options: [defaults in brackets after descriptions]
 227
 228 EOF
 229 echo "Standard options:"
 230 echo "  --help                   print this message"
 231 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 232 echo "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 233 echo "                           [same as prefix]"
 234 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 235 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 236 echo "  --tccdir=DIR             installation directory [EPREFIX/lib/tcc]"
 237 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 238 echo "  --mandir=DIR             man documentation in DIR [PREFIX/man]"
 239 echo "  --infodir=DIR            info documentation in DIR [PREFIX/info]"
 240 echo ""
 241 echo "Advanced options (experts only):"
 242 echo "  --source-path=PATH       path of source code [$source_path]"
 243 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 244 echo "  --sysroot=PREFIX         prepend PREFIX to library/include paths []"
 245 echo "  --cc=CC                  use C compiler CC [$cc]"
 246 echo "  --disable-static         make libtcc.so instead of libtcc.a"
 247 echo "  --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc.a"
 248 echo "  --enable-mingw32         build windows version on linux with mingw32"
 249 echo "  --enable-cygwin          build windows version on windows with cygwin"
 250 echo "                           [requires cygwin and mingw32-make]"
 251 echo "  --enable-cross           build cross compilers"
 252 echo "  --extra-cflags=          extra compiler flags"
 253 echo "  --extra-ldflags=         extra linker options"
 254 echo "  --with-selinux           use mmap instead of exec mem"
 255 echo "                           [requires write access to /tmp]"
 256 echo ""
 257 #echo "NOTE: The object files are build at the place where configure is launched"
 258 exit 1
 259 fi
 260
 261 if test "$mingw32" = "yes" ; then
 262     if test -z "$prefix" ; then
 263         prefix="C:/Program Files/tcc"
 264     fi
 265     execprefix="$prefix"
 266     bindir="$prefix"
 267     tccdir="$prefix"
 268     docdir="$prefix/doc"
 269 else
 270     if test -z "$prefix" ; then
 271         prefix="/usr/local"
 272     fi
 273     if test x"$execprefix" = x""; then
 274         execprefix="${prefix}"
 275     fi
 276     if test x"$bindir" = x""; then
 277         bindir="${execprefix}/bin"
 278     fi
 279     if test x"$docdir" = x""; then
 280         docdir="$prefix/share/doc/tcc"
 281     fi
 282 fi # mingw32
 283
 284 if test x"$libdir" = x""; then
 285 libdir="${execprefix}/lib"
 286 fi
 287 if test x"$tccdir" = x""; then
 288 tccdir="${libdir}/tcc"
 289 fi
 290 if test x"$mandir" = x""; then
 291 mandir="${prefix}/man"
 292 fi
 293 if test x"$infodir" = x""; then
 294 infodir="${prefix}/info"
 295 fi
 296 if test x"$includedir" = x""; then
 297 includedir="${prefix}/include"
 298 fi
 299
 300 echo "Binary  directory   $bindir"
 301 echo "TinyCC directory    $tccdir"
 302 echo "Library directory   $libdir"
 303 echo "Include directory   $includedir"
 304 echo "Manual directory    $mandir"
 305 echo "Info directory    $infodir"
 306 echo "Doc directory       $docdir"
 307 echo "Target root prefix  $sysroot"
 308 echo "Source path      $source_path"
 309 echo "C compiler       $cc"
 310 echo "CPU              $cpu"
 311 echo "Big Endian       $bigendian"
 312 echo "gprof enabled    $gprof"
 313 echo "cross compilers  $build_cross"
 314 echo "use libgcc       $use_libgcc"
 315
 316 echo "Creating config.mak and config.h"
 317
 318 echo "# Automatically generated by configure - do not modify" > config.mak
 319 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 320
 321 echo "prefix=$prefix" >> config.mak
 322 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
 323 echo "tccdir=\$(DESTDIR)$tccdir" >> config.mak
 324 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
 325 echo "ln_libdir=$libdir" >> config.mak
 326 echo "includedir=\$(DESTDIR)$includedir" >> config.mak
 327 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
 328 echo "infodir=\$(DESTDIR)$infodir" >> config.mak
 329 echo "docdir=\$(DESTDIR)$docdir" >> config.mak
 330
 331 echo "#define CONFIG_SYSROOT \"$sysroot\"" >> $TMPH
 332 echo "#ifndef CONFIG_TCCDIR" >> $TMPH
 333 echo "#define CONFIG_TCCDIR \"$tccdir\"" >> $TMPH
 334 echo "#endif" >> $TMPH
 335 echo "CC=$cc" >> config.mak
 336 echo "GCC_MAJOR=$gcc_major" >> config.mak
 337 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 338 echo "HOST_CC=$host_cc" >> config.mak
 339 echo "AR=$ar" >> config.mak
 340 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 341 echo "CFLAGS=$CFLAGS" >> config.mak
 342 echo "LDFLAGS=$LDFLAGS" >> config.mak
 343 echo "LIBSUF=$LIBSUF" >> config.mak
 344 echo "EXESUF=$EXESUF" >> config.mak
 345 if test "$cpu" = "x86" ; then
 346   echo "ARCH=i386" >> config.mak
 347   echo "#define HOST_I386 1" >> $TMPH
 348 elif test "$cpu" = "x86-64" ; then
 349   echo "ARCH=x86-64" >> config.mak
 350   echo "#define HOST_X86_64 1" >> $TMPH
 351 elif test "$cpu" = "armv4l" ; then
 352   echo "ARCH=arm" >> config.mak
 353   echo "#define HOST_ARM 1" >> $TMPH
 354 elif test "$cpu" = "powerpc" ; then
 355   echo "ARCH=ppc" >> config.mak
 356   echo "#define HOST_PPC 1" >> $TMPH
 357 elif test "$cpu" = "mips" ; then
 358   echo "ARCH=mips" >> config.mak
 359   echo "#define HOST_MIPS 1" >> $TMPH
 360 elif test "$cpu" = "s390" ; then
 361   echo "ARCH=s390" >> config.mak
 362   echo "#define HOST_S390 1" >> $TMPH
 363 elif test "$cpu" = "alpha" ; then
 364   echo "ARCH=alpha" >> config.mak
 365   echo "#define HOST_ALPHA 1" >> $TMPH
 366 else
 367   echo "Unsupported CPU"
 368   exit 1
 369 fi
 370 if test "$noldl" = "yes" ; then
 371   echo "CONFIG_NOLDL=yes" >> config.mak
 372 fi
 373 if test "$mingw32" = "yes" ; then
 374   echo "CONFIG_WIN32=yes" >> config.mak
 375   echo "#define CONFIG_WIN32 1" >> $TMPH
 376 fi
 377 if test "$cygwin" = "yes" ; then
 378   echo "#ifndef _WIN32" >> $TMPH
 379   echo "#define _WIN32" >> $TMPH
 380   echo "#endif" >> $TMPH
 381   echo "AR=ar" >> config.mak
 382 fi
 383 if test "$bigendian" = "yes" ; then
 384   echo "WORDS_BIGENDIAN=yes" >> config.mak
 385   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 386 fi
 387 if test "$gprof" = "yes" ; then
 388   echo "TARGET_GPROF=yes" >> config.mak
 389   echo "#define HAVE_GPROF 1" >> $TMPH
 390 fi
 391 if test "$build_cross" = "yes" ; then
 392   echo "CONFIG_CROSS=yes" >> config.mak
 393 fi
 394 if test "$disable_static" = "yes" ; then
 395   echo "DISABLE_STATIC=yes" >> config.mak
 396 fi
 397 if test "$use_libgcc" = "yes" ; then
 398   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 399   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 400 fi
 401 if test "$have_selinux" = "yes" ; then
 402   echo "#define HAVE_SELINUX" >> $TMPH
 403   echo "HAVE_SELINUX=yes" >> config.mak
 404 fi
 405 version=`head $source_path/VERSION`
 406 echo "VERSION=$version" >>config.mak
 407 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 408 echo "@set VERSION $version" > config.texi
 409
 410 # build tree in object directory if source path is different from current one
 411 if test "$source_path_used" = "yes" ; then
 412     DIRS="tests"
 413     FILES="Makefile tests/Makefile"
 414     for dir in $DIRS ; do
 415         mkdir -p $dir
 416     done
 417     for f in $FILES ; do
 418         ln -sf $source_path/$f $f
 419     done
 420 fi
 421 echo "SRC_PATH=$source_path" >> config.mak
 422
 423 diff $TMPH config.h >/dev/null 2>&1
 424 if test $? -ne 0 ; then
 425     mv -f $TMPH config.h
 426 else
 427     echo "config.h is unchanged"
 428 fi
 429
 430 rm -f $TMPN*