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

[Eduardo Mendes <emammendes@xxxxxxxxxxx>]

> Date: Tue, 5 Feb 2008 10:32:34 -0500
> From: earnie@xxxxxxxxxxxxxxxxxxxxx
> To: mingw-users@xxxxxxxxxxxxxxxxxxxxx
> Subject: Re: [Mingw-users] Help needed to compile gcc-4.2.1 from scratch
>
>
> Quoting 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:
> >
>
> I'm not sure exactly what you're saying. To build GCC from scratch you need
>
> gcc-src/
> gcc-bld/
> cd gcc-bld
> ../gcc-src/configure --prefix=`cd /mingw; pwd -W`
> make
> make install
>
> If you want a different location than specified in the original
> --prefix specified in configure; do not use DEST or DESTDIR (whatever
> it is named). Instead use
>
> make install prefix=/release/directory
 
 
I meant building from gcc-4.2.1.sjlj.src.tar.gz available at sourceforge-mingw.
 

>
> > First error
> >
> > C:/msys/1.0/develop/sandpit/sjlj/c:/MinGw/lib/gcc/mingw32/4.2.1-sjlj/install-tools/include/README
>
> Based on the visible path it appears that DESTDIR is used.
>
> 0 [main] us 0 init_cheap: VirtualAlloc pointer is null, Win32 error
> 487AllocationBase 0x0, BaseAddress 0x71110000, RegionSize 0x2B0000,
> State 0x10000C:\msys\1.0\bin\install.exe: *** Couldn't reserve space
> for cygwin's heap, Win32 error 0make[2]: *** [install] Error 1make[2]:
> Leaving directory
> `C:/msys/1.0/home/eduardo/packages/fixincludes'make[1]: ***
> [install-fixincludes] Error 2make[1]: Leaving directory
> `C:/msys/1.0/home/eduardo/packages'make: *** [install] Error
> > 2
>
> I'm guessing MSYS croaks on the bad path.
 
I have just used the script provided mingw devs.

>
> >
> > 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 bytesmake: ***
> > [build/min-insn-modes.o] Error 1make: Leaving directory
> > `C:/msys/1.0/home/eduardo/packages/gcc'make: ***
> > mingw32/libstdc++-v3: No such file or directory. Stop.
> >
>
> 4G of user memory is the fixed limit for windows. Something caused cc1
> to try allocating 3.8G of consecutive memory.
>
> > msys run as administrator under Vista.
> >
>
> I have yet to use Vista. It'll probably be at least two years before
> the corporate world I live in tries.
>
 
I am too lasy to install XP back on my VAIO notebook.  Vista has been a pain in the neck.
 
Many thanks
 
Ed
 

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