[Bug binutils/4334] MAKE FAILED: cpu-powerpc.o isn't added to libbfd.a ?

[vincent dot riviere at freesbee dot fr]

------- Additional Comments From vincent dot riviere at freesbee dot fr  
2007-05-30 21:41 -------
My previous solution is not so good, because the main configure is run without 
the option igncr. And configure.in contains the line :
baseargs=`cat conftestsed.out`
Thus the generated Makefile contains unexpected CRs, which can be easyly seen 
by using less :
BUILD_CONFIGARGS = --cache-file=../config.cache --build=i686-pc-cygwin --
host=i686-pc-cygwin --target=i686-pc-cygwin ^M --program-transform-
name='s,y,y,^M' --with-build-subdir="$(BUILD_SUBDIR)"

The real, whole solution is to not modify the sources of the binutils, and run 
the following commands for bulding the binutils :

set -o igncr
export SHELLOPTS # The child bashes will automatically do set -o igncr
configure
make

This is the definite solution when using igncr.

The binutils can't do anything against the bogus cat behaviour of Cygwin 
(except not using cat)

I have written a lot of comments here (and I have learned a lot, too).
Now, I go to back to the top and I look at the title of this bug 4334 : "MAKE 
FAILED: cpu-powerpc.o isn't added to libbfd.a ?" The real problem is that an 
innocent Cygwin user tries to build the binutils, and get an error message 
about an undefined reference, without any indication about what is really 
happening. We know that the problem is caused by cat on text filesystems, and 
there is at least 2 ways to bypass it : building from a binary filesystem, or 
using the igncr option. Any Cygwin user would be happy to use one of these 
solutions if it can help him to build the binutils !

So the binutils would be polite if it could detect if the `cat` problem is 
present, and tell the user how to bypass it.

For example, a simple script like this in the main configure may be enough (or 
maybe wrapped into an autoconf macro) :
echo a >file
if test `cat file` != a
then
 echo \`cat\` bug detected.
 echo Please run configure from on a binmode filesystem
 echo or use the igncr trick
 exit 1
fi

Vincent

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=4334

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