Peter Jeremy asked me if I'd look at the cephes package, as he was having
trouble with it. It's only installed on CYGWIN, so 99% of people are not going
to see that cephes is broken.
I hacked the package so that it would try to build on any operating system - not
just Cygwin.
Anyway, it has a few serious problems.
1) It is missing a file, so 'make' exits with an error
gcc -I. -g -O2 -Wall -c -o mtstf.o mtstf.c
gcc -o mtstf mtstf.o cmplxf.o clogf.o cgammaf.o stubs.o -lm
gcc -I. -g -O2 -Wall -c -o whitebxf.o whitebxf.c
gcc -I. -g -O2 -Wall -o whitebxf whitebxf.o libmc.a stubs.o -lm
make: *** No rule to make target `whitebx.c', needed by `whitebx.o'. Stop.
real 0m9.743s
user 0m7.635s
sys 0m1.679s
Successfully installed cephes-2.8.p1
That file 'whitebx.c' does not exist in the source code at all, and it does not
look like it is supposed to be generated.
2) As you can see above, it reports its successfully installed, even though
'make' failed. If we look at the spkg-install, we can see that it has near the
bottom
########################################
function build {
make_complex_h
make_single
make_double
make_ldouble
make_c9x_complex
}
patch
build
#########################################
In other words, no error checking is performed, so it is not obvious that it
failed to install on Cygwin.
http://trac.sagemath.org/sage_trac/ticket/8780
is marked as closed and fixed in sage-4.4.3.alpha0, but I can't possibly see how
cephes can build on Cygwin. In the event it does build on Cygwin (which I
doubt), there is no error checking, which is asking for trouble.
I did find this file with a google search
http://code.google.com/p/pbsa/source/browse/trunk/src/c9x-complex/whitebxf.c?spec=svn30&r=30
so it may be possible to implement some sort of repair of this package, but I'd
be very suspicious of how it is now.
Dave
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