[Mingw-users] Help needed to compile gcc-4.2.1 from scratch

[Eduardo Mendes <emammendes@xxxxxxxxxxx>]

Hello
 
Thanks to the help of JonY, gmp and mfpr (./configure --prefix=/mingw) were compiled and installed under mingw.  The next step is to compile gcc-4.2.1 from scratch.  I have donwloaded the source tar.bz2 and the build script and then I set the dirs just like in the script.  After that I issued sh gcc*****build****.sh to see what happens and here is the outcome:
 
First error
 
 C:/msys/1.0/develop/sandpit/sjlj/c:/MinGw/lib/gcc/mingw32/4.2.1-sjlj/install-tools/include/README
      0 [main] us 0 init_cheap: VirtualAlloc pointer is null, Win32 error 487
AllocationBase 0x0, BaseAddress 0x71110000, RegionSize 0x2B0000, State 0x10000
C:\msys\1.0\bin\install.exe: *** Couldn't reserve space for cygwin's heap, Win32 error 0
make[2]: *** [install] Error 1
make[2]: Leaving directory `C:/msys/1.0/home/eduardo/packages/fixincludes'
make[1]: *** [install-fixincludes] Error 2
make[1]: Leaving directory `C:/msys/1.0/home/eduardo/packages'
make: *** [install] Error 2
 
Second error
 
gcc -c   -D__USE_MINGW_ACCESS -DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prootypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute   -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I../../gcc-4.2.1-2-src/gcc -I./../gcc-4.2.1-2-src/gcc/build -I../../gcc-4.2.1-2-src/gcc/../include -I../../gc-4.2.1-2-src/gcc/../libcpp/include  -I../../gcc-4.2.1-2-src/gcc/../libdecnumbr -I../libdecnumber    -o build/min-insn-modes.o min-insn-modes.c
cc1.exe: out of memory allocating 3891018455 bytes
make: *** [build/min-insn-modes.o] Error 1
make: Leaving directory `C:/msys/1.0/home/eduardo/packages/gcc'
make: *** mingw32/libstdc++-v3: No such file or directory.  Stop.
 
msys run as administrator under Vista.
 
Any help would be most appreciated.
 
Thanks all
 
Ed
 

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