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 cpu=`uname -m`
  40 case "$cpu" in
  41   i386|i486|i586|i686|i86pc|BePC|i686-AT386)
  42     cpu="x86"
  43   ;;
  44   x86_64)
  45     cpu="x86-64"
  46   ;;
  47   armv4l|armv5tel|armv6j|armv7a)
  48     cpu="armv4l"
  49   ;;
  50   alpha)
  51     cpu="alpha"
  52   ;;
  53   "Power Macintosh"|ppc|ppc64)
  54     cpu="powerpc"
  55   ;;
  56   mips)
  57     cpu="mips"
  58   ;;
  59   s390)
  60     cpu="s390"
  61   ;;
  62   *)
  63     cpu="unknown"
  64   ;;
  65 esac
  66 gprof="no"
  67 bigendian="no"
  68 mingw32="no"
  69 LIBSUF=".a"
  70 EXESUF=""
  71
  72 # OS specific
  73 targetos=`uname -s`
  74 case $targetos in
  75 MINGW32*)
  76 mingw32="yes"
  77 ;;
  78 DragonFly)
  79 noldl="yes"
  80 ;;
  81 OpenBSD)
  82 noldl="yes"
  83 ;;
  84 *) ;;
  85 esac
  86
  87 # find source path
  88 # XXX: we assume an absolute path is given when launching configure,
  89 # except in './configure' case.
  90 source_path=${0%configure}
  91 source_path=${source_path%/}
  92 source_path_used="yes"
  93 if test -z "$source_path" -o "$source_path" = "." ; then
  94     source_path=`pwd`
  95     source_path_used="no"
  96 fi
  97
  98 for opt do
  99   case "$opt" in
 100   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
 101   ;;
 102   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
 103   ;;
 104   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
 105   ;;
 106   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
 107   ;;
 108   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
 109   ;;
 110   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 111   ;;
 112   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 113   ;;
 114   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 115   ;;
 116   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 117   ;;
 118   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 119   ;;
 120   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 121   ;;
 122   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 123   ;;
 124   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 125   ;;
 126   --extra-libs=*) extralibs=${opt#--extra-libs=}
 127   ;;
 128   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 129   ;;
 130   --enable-gprof) gprof="yes"
 131   ;;
 132   --enable-mingw32) mingw32="yes" ; cross_prefix="i386-mingw32-"
 133   ;;
 134   --enable-cross) build_cross="yes"
 135   ;;
 136   --disable-static) disable_static="yes"
 137   ;;
 138   --with-libgcc) use_libgcc="yes"
 139   ;;
 140   --with-selinux) have_selinux="yes"
 141   ;;
 142   --help|-h) show_help="yes"
 143   ;;
 144   esac
 145 done
 146
 147 # Checking for CFLAGS
 148 if test -z "$CFLAGS"; then
 149     CFLAGS="-O2"
 150 fi
 151
 152 cc="${cross_prefix}${cc}"
 153 ar="${cross_prefix}${ar}"
 154 strip="${cross_prefix}${strip}"
 155
 156 if test "$mingw32" = "yes" ; then
 157     LIBSUF=".lib"
 158     EXESUF=".exe"
 159 fi
 160
 161 if test -z "$cross_prefix" ; then
 162
 163 # ---
 164 # big/little endian test
 165 cat > $TMPC << EOF
 166 #include <inttypes.h>
 167 int main(int argc, char ** argv){
 168     volatile uint32_t i=0x01234567;
 169     return (*((uint8_t*)(&i))) == 0x67;
 170 }
 171 EOF
 172
 173 if $cc -o $TMPE $TMPC 2>/dev/null ; then
 174     $TMPE && bigendian="yes"
 175 else
 176     echo big/little test failed
 177 fi
 178
 179 else
 180
 181 # if cross compiling, cannot launch a program, so make a static guess
 182 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
 183     bigendian="yes"
 184 fi
 185
 186 fi
 187
 188 # check gcc version
 189 cat > $TMPC <<EOF
 190 int main(void) {
 191 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
 192 return 0;
 193 #else
 194 #error gcc < 3.2
 195 #endif
 196 }
 197 EOF
 198
 199 gcc_major="2"
 200 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 201     gcc_major="3"
 202 fi
 203 cat > $TMPC <<EOF
 204 int main(void) {
 205 #if __GNUC__ >= 4
 206 return 0;
 207 #else
 208 #error gcc < 4
 209 #endif
 210 }
 211 EOF
 212
 213 if $cc -o $TMPO $TMPC 2> /dev/null ; then
 214     gcc_major="4"
 215 fi
 216
 217 if test x"$show_help" = "xyes" ; then
 218 cat << EOF
 219
 220 Usage: configure [options]
 221 Options: [defaults in brackets after descriptions]
 222
 223 EOF
 224 echo "Standard options:"
 225 echo "  --help                   print this message"
 226 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 227 echo "  --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX"
 228 echo "                           [same as prefix]"
 229 echo "  --bindir=DIR             user executables in DIR [EPREFIX/bin]"
 230 echo "  --libdir=DIR             object code libraries in DIR [EPREFIX/lib]"
 231 echo "  --includedir=DIR         C header files in DIR [PREFIX/include]"
 232 echo "  --mandir=DIR             man documentation in DIR [PREFIX/man]"
 233 echo "  --infodir=DIR            info documentation in DIR [PREFIX/info]"
 234 echo "  --enable-cross           build cross compilers"
 235 echo ""
 236 echo "Advanced options (experts only):"
 237 echo "  --source-path=PATH       path of source code [$source_path]"
 238 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 239 echo "  --sysroot=PREFIX         prepend PREFIX to library/include paths []"
 240 echo "  --cc=CC                  use C compiler CC [$cc]"
 241 echo "  --disable-static         make libtcc.so instead of libtcc.a"
 242 echo "  --with-libgcc            use /lib/libgcc_s.so.1 instead of libtcc1.a"
 243 echo "  --with-selinux           use mmap instead of exec mem"
 244 echo "                           [requires write access to /tmp]"
 245 echo ""
 246 #echo "NOTE: The object files are build at the place where configure is launched"
 247 exit 1
 248 fi
 249
 250 if test "$mingw32" = "yes" ; then
 251     if test -z "$prefix" ; then
 252         prefix="C:/Program Files/tcc"
 253     fi
 254     execprefix="$prefix"
 255     bindir="$prefix"
 256     tccdir="$prefix"
 257     docdir="$prefix/doc"
 258 else
 259     if test -z "$prefix" ; then
 260         prefix="/usr/local"
 261     fi
 262     if test x"$execprefix" = x""; then
 263         execprefix="${prefix}"
 264     fi
 265     if test x"$bindir" = x""; then
 266         bindir="${execprefix}/bin"
 267     fi
 268     if test x"$docdir" = x""; then
 269         docdir="$prefix/share/doc/tcc"
 270     fi
 271 fi # mingw32
 272
 273 if test x"$libdir" = x""; then
 274 libdir="${execprefix}/lib"
 275 fi
 276 if test x"$tccdir" = x""; then
 277 tccdir="${libdir}/tcc"
 278 fi
 279 if test x"$mandir" = x""; then
 280 mandir="${prefix}/man"
 281 fi
 282 if test x"$infodir" = x""; then
 283 infodir="${prefix}/info"
 284 fi
 285 if test x"$includedir" = x""; then
 286 includedir="${prefix}/include"
 287 fi
 288
 289 echo "Binary  directory   $bindir"
 290 echo "TinyCC directory    $tccdir"
 291 echo "Library directory   $libdir"
 292 echo "Include directory   $includedir"
 293 echo "Manual directory    $mandir"
 294 echo "Info directory    $infodir"
 295 echo "Doc directory       $docdir"
 296 echo "Target root prefix  $sysroot"
 297 echo "Source path      $source_path"
 298 echo "C compiler       $cc"
 299 echo "CPU              $cpu"
 300 echo "Big Endian       $bigendian"
 301 echo "gprof enabled    $gprof"
 302 echo "cross compilers  $build_cross"
 303 echo "use libgcc       $use_libgcc"
 304
 305 echo "Creating config.mak and config.h"
 306
 307 echo "# Automatically generated by configure - do not modify" > config.mak
 308 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 309
 310 echo "prefix=$prefix" >> config.mak
 311 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
 312 echo "tccdir=\$(DESTDIR)$tccdir" >> config.mak
 313 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
 314 echo "ln_libdir=$libdir" >> config.mak
 315 echo "includedir=\$(DESTDIR)$includedir" >> config.mak
 316 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
 317 echo "infodir=\$(DESTDIR)$infodir" >> config.mak
 318 echo "docdir=\$(DESTDIR)$docdir" >> config.mak
 319
 320 echo "#define CONFIG_SYSROOT \"$sysroot\"" >> $TMPH
 321 echo "#define CONFIG_TCCDIR \"$tccdir\"" >> $TMPH
 322 echo "CC=$cc" >> config.mak
 323 echo "GCC_MAJOR=$gcc_major" >> config.mak
 324 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
 325 echo "HOST_CC=$host_cc" >> config.mak
 326 echo "AR=$ar" >> config.mak
 327 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
 328 echo "CFLAGS=$CFLAGS" >> config.mak
 329 echo "LDFLAGS=$LDFLAGS" >> config.mak
 330 echo "LIBSUF=$LIBSUF" >> config.mak
 331 echo "EXESUF=$EXESUF" >> config.mak
 332 if test "$cpu" = "x86" ; then
 333   echo "ARCH=i386" >> config.mak
 334   echo "#define HOST_I386 1" >> $TMPH
 335 elif test "$cpu" = "x86-64" ; then
 336   echo "ARCH=x86-64" >> config.mak
 337   echo "#define HOST_X86_64 1" >> $TMPH
 338 elif test "$cpu" = "armv4l" ; then
 339   echo "ARCH=arm" >> config.mak
 340   echo "#define HOST_ARM 1" >> $TMPH
 341 elif test "$cpu" = "powerpc" ; then
 342   echo "ARCH=ppc" >> config.mak
 343   echo "#define HOST_PPC 1" >> $TMPH
 344 elif test "$cpu" = "mips" ; then
 345   echo "ARCH=mips" >> config.mak
 346   echo "#define HOST_MIPS 1" >> $TMPH
 347 elif test "$cpu" = "s390" ; then
 348   echo "ARCH=s390" >> config.mak
 349   echo "#define HOST_S390 1" >> $TMPH
 350 elif test "$cpu" = "alpha" ; then
 351   echo "ARCH=alpha" >> config.mak
 352   echo "#define HOST_ALPHA 1" >> $TMPH
 353 else
 354   echo "Unsupported CPU"
 355   exit 1
 356 fi
 357 if test "$noldl" = "yes" ; then
 358   echo "CONFIG_NOLDL=yes" >> config.mak
 359 fi
 360 if test "$mingw32" = "yes" ; then
 361   echo "CONFIG_WIN32=yes" >> config.mak
 362   echo "#define CONFIG_WIN32 1" >> $TMPH
 363 fi
 364 if test "$bigendian" = "yes" ; then
 365   echo "WORDS_BIGENDIAN=yes" >> config.mak
 366   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 367 fi
 368 if test "$gprof" = "yes" ; then
 369   echo "TARGET_GPROF=yes" >> config.mak
 370   echo "#define HAVE_GPROF 1" >> $TMPH
 371 fi
 372 if test "$build_cross" = "yes" ; then
 373   echo "CONFIG_CROSS=yes" >> config.mak
 374 fi
 375 if test "$disable_static" = "yes" ; then
 376   echo "DISABLE_STATIC=yes" >> config.mak
 377 fi
 378 if test "$use_libgcc" = "yes" ; then
 379   echo "#define CONFIG_USE_LIBGCC" >> $TMPH
 380   echo "CONFIG_USE_LIBGCC=yes" >> config.mak
 381 fi
 382 if test "$have_selinux" = "yes" ; then
 383   echo "#define HAVE_SELINUX" >> $TMPH
 384   echo "HAVE_SELINUX=yes" >> config.mak
 385 fi
 386 version=`head $source_path/VERSION`
 387 echo "VERSION=$version" >>config.mak
 388 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 389 echo "@set VERSION $version" > config.texi
 390
 391 # build tree in object directory if source path is different from current one
 392 if test "$source_path_used" = "yes" ; then
 393     DIRS="tests"
 394     FILES="Makefile tests/Makefile"
 395     for dir in $DIRS ; do
 396         mkdir -p $dir
 397     done
 398     for f in $FILES ; do
 399         ln -sf $source_path/$f $f
 400     done
 401 fi
 402 echo "SRC_PATH=$source_path" >> config.mak
 403
 404 diff $TMPH config.h >/dev/null 2>&1
 405 if test $? -ne 0 ; then
 406     mv -f $TMPH config.h
 407 else
 408     echo "config.h is unchanged"
 409 fi
 410
 411 rm -f $TMPN*