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