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Re: environment hosed during upgrade

by Bob Nestor-2 :: Rate this Message:

On Mar 9, 2007, at 3:01 PM, Danny Smith wrote:

>
>> Where can I find the build instructions ?
>
> http://gcc.gnu.org/install/
>
> Good luck. AFAIK, Danny cross-builds our binary distributions
> on Cygwin;
>
> Not really, my build compiler is mingw gcc. I bootstap/run testsuite
> using mingw compiler and mingw binutils but
> with all the POSIX-y tools coming from cygwin rather than msys. (They
> are more complete, more robust and faster).

[...] snipped the details

Are you sure you didn't miss a step? Maybe one involving the
sacrifice of a goat or a virgin?

I tried the following on a Windows XP system and it doesn't work. It
gets errors during the build.

Download the cygwin setup.exe installer from
http://www.cygwin.com/setup.exe

Run the cygwin installer creating a setup in the c:\cygwin directory
path.
Selecting "use IE settings" seems to work from behind a firewall.
The ftp://cygwin.osuosl.org seems to be a good choice to download from.
For type of installation, click the "default" label to force an
"install"

Download the MinGW-3.1.0-1.exe installer from
http://prdownloads.sf.net/mingw/MinGW-3.1.0-1.exe?download

Download and install the following into c:\MinGW
http://downloads.sourceforge.net/mingw/
binutils-2.17.50-20060824-1.tar.gz
http://prdownloads.sourceforge.net/gnuwin32/libiconv-1.9.2-1-bin.zip?
download

Create a home directory if necessary in cygwin at
c:\cygwin\home

Download and expand into c:\cygwin\home\gcc
http://downloads.sourceforge.net/mingw/gcc-ada-3.4.5-20060117-1-
src.tar.gz
http://downloads.sourceforge.net/mingw/gcc-core-3.4.5-20060117-1-
src.tar.gz
http://downloads.sourceforge.net/mingw/gcc-g++-3.4.5-20060117-1-
src.tar.gz
http://downloads.sourceforge.net/mingw/gcc-f77-3.4.5-20060117-1-
src.tar.gz
http://downloads.sourceforge.net/mingw/gcc-java-3.4.5-20060117-1-
src.tar.gz
http://downloads.sourceforge.net/mingw/gcc-objc-3.4.5-20060117-1-
src.tar.gz

Download into c:\cygwin\home the file
http://downloads.sourceforge.net/mingw/gcc-3.4.5-build.sh

Using the "Cygwin" ICON on your desktop, execute Cygwin. This will open
up a Unix-like shell in a window.

Create mount points in Cygwin to use the MinGW compiler and binutils:
$ mkdir /mingw
$ mount c:/MinGW /mingw
$ mount c:/cygwin/lib /usr/lib
$ mount c:/cygwin/usr /usr
$ mount c:/cygwin/bin /bin
$ mount c:/cygwin/bin /usr/bin
$ mount c:/cygwin /

Make sure MinGW compilers and binutils are used in build:
$ PATH=/mingw/bin:$PATH

Create a target directory and execute the build:
mkdir ./mingw
cd mingw
../gcc-3.4.5-build.sh

Any help, corrections, comments, suggestions, etc would be appreciated.

Thanks,
-bob

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« Return to Thread: environment hosed during upgrade