Hello Ralf,
> missing AM_PROG_CC_C_O has been turned into a portability warning
> in 1.10. -Wportability should be on by default in 1.10 and newer unless
> you use the 'foreign' option. You should thus see it as soon as you add
> -Wportability to AUTOMAKE_OPTIONS in gltests/Makefile.am.
> ...
>
Hi,
Here is a situation where automake 1.9.6 errs out because of a missing
invocation of AM_PROG_CC_C_O in a configure.ac, but automake >= 1.10 don't
err out any more and instead produces a Makefile.in that fails when the
C compiler does not support -c and -o in the same command line.
How to repr
