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Date: Tue, 28 Feb 2006 12:06:00 -0000
Subject: [Bug libgcj/26495]  New: problems with gcj-dbtool
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From: "Thomas dot Arend at web dot de" <gcc-bugzilla@gcc.gnu.org>
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Hi,

here is the result of a bootstrap under a recent cygwin using

  ../gcc-4.1.0-20060219/configure --prefix=/home/arend/opt/install/gcc-4.1.0
    --enable-languages=ada,c,c++,fortran,java,objc,obj-c++ --enable-libgcj
    --with-x --enable-java-awt=xlib --enable-threads
    --enable-version-specific-runtime-libs --disable-win32-registry
    --enable-libada --enable-libssp
--with-gmp=/home/arend/opt/install/gmp-4.1.4
    --with-mpfr=/home/arend/opt/install/mpfr-2.2.0-20060220
    --enable-target-optspace

Creation of the compilers was successful, but the java library tools made some
problems (snapshot from the 'make bootstrap' output):

...
/bin/sh ./libtool --tag=GCJ --mode=link /home/arend/tmp/build/gcc/gcj
  -B/home/arend/tmp/build/i686-pc-cygwin/libjava/ -B/home/arend/tmp/build/gcc/
  -L/home/arend/tmp/build/i686-pc-cygwin/libjava -ffloat-store
  -fomit-frame-pointer -g -O2  -o gcj-dbtool.exe
  --main=gnu.gcj.tools.gcj_dbtool.Main
  -rpath /home/arend/opt/install/gcc-4.1.0/lib/gcc/i686-pc-cygwin/4.1.0
  -shared-libgcc  gnu/gcj/tools/gcj_dbtool/Main.o
  gnu/gcj/tools/gcj_dbtool/natMain.o
  -L/home/arend/tmp/build/i686-pc-cygwin/libjava/.libs libgcj.la
/home/arend/tmp/build/gcc/gcj -B/home/arend/tmp/build/i686-pc-cygwin/libjava/
  -B/home/arend/tmp/build/gcc/ -ffloat-store -fomit-frame-pointer -g -O2
  -o gcj-dbtool.exe --main=gnu.gcj.tools.gcj_dbtool.Main -shared-libgcc
  gnu/gcj/tools/gcj_dbtool/Main.o gnu/gcj/tools/gcj_dbtool/natMain.o
  -L/home/arend/tmp/build/i686-pc-cygwin/libjava
  -L/home/arend/tmp/build/i686-pc-cygwin/libjava/.libs ./.libs/libgcj.a
  -L/home/arend/tmp/build/i686-pc-cygwin/libstdc++-v3/src
  -L/home/arend/tmp/build/i686-pc-cygwin/libstdc++-v3/src/.libs
  -L/home/arend/tmp/build/./gcc 
  -L/home/arend/opt/install/gcc-4.1.0/lib/gcc/i686-pc-cygwin/4.1.0
  -L/home/arend/opt/install/gcc-4.1.0/lib/gcc/i686-pc-cygwin/4.1.0/../../..
  -lgcc -lcygwin -luser32 -lkernel32 -ladvapi32 -lshell32 -lgcc -Wl,--rpath
  -Wl,/home/arend/opt/install/gcc-4.1.0/lib/gcc/i686-pc-cygwin/4.1.0
./gcj-dbtool -n classmap.db || touch classmap.db
error: could not create classmap.db: java.io.IOException: mmap not implemented

uname -a produced "CYGWIN_NT-5.1 hhn0001 1.5.19(0.150/4/2) 2006-01-20 13:28
i686 Cygwin", the binutils version seems to be 2.16.91 20050610.

My impression is that cygwin does not fully support mmap. But following the
cygwin changelogs there seems to be a lot of activity in this area.

Regards,

        Thomas


-- 
           Summary: problems with gcj-dbtool
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libgcj
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: Thomas dot Arend at web dot de
 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=26495