lib/Makefile.am:1: BUILD_MINGW does not appear in AM_CONDITIONAL
automake: lib/Makefile.am: not supported: source file `$(PLATF)/enumerate.c' is in subdirectory
frontends/avisynth25/Makefile.am:1: BUILD_MINGW does not appear in AM_CONDITIONAL
automake: frontends/avisynth25/Makefile.am: warning: automake does not support csri_avs_la_LDFLAGS being defined conditionally
configure.ac: 5: required file `./[include/acconf.h].in' not found
configure.ac: 5: required file `./[include/stamp-h.in' not found
autoreconf: automake failed with exit status: 1