[Bug bootstrap/14148] New: Bootstrap dies on Cygwin with zone GC because it supposedly lacks mmap

["v dot haisman at sh dot cvut dot cz" <gcc-bugzilla at gcc dot gnu dot org>]

GCC's bootstrap dies with following error:

make[2]: Entering directory `/D/WilX/gcc34/objdir/gcc'
gcc -c   -g  -DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-p
rototypes -pedantic -Wno-long-long    -DHAVE_CONFIG_H    -I. -I. -I../../srcdir/
gcc -I../../srcdir/gcc/. -I../../srcdir/gcc/../include  ../../srcdir/gcc/ggc-zon
e.c -o ggc-zone.o
../../srcdir/gcc/ggc-zone.c:81:2: #error "Zone collector requires mmap"
../../srcdir/gcc/ggc-zone.c: In function `release_pages':
../../srcdir/gcc/ggc-zone.c:510: warning: unused parameter 'zone'
make[2]: *** [ggc-zone.o] Error 1
make[2]: Leaving directory `/D/WilX/gcc34/objdir/gcc'
make[1]: *** [stage1_build] Error 2
make[1]: Leaving directory `/D/WilX/gcc34/objdir/gcc'
make: *** [bootstrap] Error 2

Configure parameters:
WilX@amber2:::~/gcc34/objdir> ../srcdir/configure --with-gcc --with-gnu-ld
--with-gnu-as --enable-languages=c,c++ --enable-threads=posix --with-system-zlib
--enable-nls --without-included-gettext --enable-sjlj-exceptions
--enable-version-specific-runtime-libs --enable-shared --disable-win32-registry
--enable-dwarf2 --with-cpu=athlon-tbird --with-arch=athlon-tbird --with-gc=zone

-- 
           Summary: Bootstrap dies on Cygwin with zone GC because it
                    supposedly lacks mmap
           Product: gcc
           Version: 3.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: v dot haisman at sh dot cvut dot cz
                CC: gcc-bugs at gcc dot gnu dot org,v dot haisman at sh dot
                    cvut dot cz
 GCC build triplet: i686-pc-cygwin
  GCC host triplet: i686-pc-cygwin
GCC target triplet: i686-pc-cygwin


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14148