Makefile.am: introduce strace_CFLAGS and derivatives
Makefile.am: introduce strace_CFLAGS and derivatives

* Makefile.am (strace_CFLAGS): New variable, set to $(AM_CFLAGS).
(libmpers_CFLAGS): New variable, set to $(strace_CFLAGS).
(libmpers_m32_a_CFLAGS, libmpers_mx32_a_CFLAGS): New variables,
set to $(libmpers_CFLAGS).

Saruta/strace,Saruta/strace,cuviper/strace,Saruta/strace,cuviper/strace,cuviper/strace,cuviper/strace,Saruta/strace,cuviper/strace,Saruta/strace