Jason Pyeron wrote:
>>> -----Original Message-----
>>> From: [EMAIL PROTECTED]
>>> [mailto:[EMAIL PROTECTED] On Behalf Of Dirk Barthel
>>> Sent: Monday, August 04, 2008 12:52 PM
>>> To: GHDL discuss list
>>> Subject: [Ghdl-discuss] GHDL-0.27 for Cygwin
>>>
>>> Hello,
>>>
>>> I am trying to build ghdl-0.27 for cygwin. I did it for
>>> ghdl-0.26 without any problems. Here is the procedure I used for
>>> ghdl-0.26:
>>> http://home.comcast.net/~bp_labs/software/ghdl/index.htm
>>>
>>> I am having trouble building gcc-4.2.4 for the ghdl-0.27 build.
>>> I am using the following steps for ghdl-0.27:
>>> wget ftp://ftp.gnu.org/pub/gnu/gcc/gcc-4.2.4/gcc-core-4.2.4.tar.bz2
>>> wget ftp://ftp.gnu.org/pub/gnu/gcc/gcc-4.2.4/gcc-ada-4.2.4.tar.bz2
>>> mkdir gcc-4.2.4-build
>>> cd gcc-4.2.4-build
>>> ../gcc-4.2.4/configure -prefix=/usr/local/gcc-4.2.4
>>> -enable-languages=c,ada >& configure.txt make >& make.txt
>>>
>>> Make fails with the following error:
>>> Comparing stages 2 and 3
>>> warning: ./cc1-checksum.o differs
>>> warning: ./libgcc/_chkstk.o differs
>>> Bootstrap comparison failure!
>>> ./ada/exp_aggr.o differs
>>> make[2]: *** [compare] Error 1
>>> make[2]: Leaving directory `/tmp/gcc-4.2.4-build'
>>> make[1]: *** [stage3-bubble] Error 2
>>> make[1]: Leaving directory `/tmp/gcc-4.2.4-build'
>>> make: *** [all] Error 2
>
> Confirmed. I am now trying alternate build options and toolchains.
There's a change in exp_aggr.adb in gcc-4.2.4/gcc/ada/ChangeLog:
2006-02-13 Ed Schonberg <[EMAIL PROTECTED]>
* exp_aggr.adb (Build_Array_Aggr_Code): Rename variable
"Others_Mbox_Present" to "Others_Box_Present" because the mbox
concept does not exist in the Ada RM.
(Compatible_Int_Bounds): Determine whether two integer range bounds
are of equal length and have the same start and end values.
(Is_Int_Range_Bounds): Determine whether a node is an integer range.
(Build_Record_Aggr_Code): Perform proper sliding of a nested array
aggregate when it is part of an object declaration.
(Build_Record_Aggr_Code) If the aggregate ttype is a derived type
that constrains discriminants of its parent, add explicitly the
discriminant constraints of the ancestor by retrieving them from the
stored_constraint of the parent.
That should match up to gcc-4.0.3 (2006-03-10) or there abouts. It would
appear to be a tool chain incompatibility with the source.
For grins I got the 2008 gnat i686 gnat from libre2.adacore.com and tried to
build the ada from 4.2.4. The first thing I ran into with make
languages=ada was a bad casing for Standard_ASCII NUL in ali.adb, resulting
in an error. The 2008 release is I believe 4.1.3 based which doesn't show
up in the gcc release directory on gnu.org. It's doing a style check on
Standard_ASCII, something that was shown as a patch into the gcc tree around
20 May 2008, coincidentally the day after 4.2.4 was released. The same
patch appears to have introduced style checking for it, too.
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