[not filing an ITS (yet) because for now, I just intend discussion...]
I don't recall getting any warnings in late January:
configure.in:666: warning: AC_CACHE_VAL(lt_prog_compiler_static_works, ...): suspicious cache-id, must contain _cv_ to be cached ../../lib/autoconf/general.m4:1973: AC_CACHE_VAL is expanded from... ../../lib/autoconf/general.m4:1993: AC_CACHE_CHECK is expanded from... aclocal.m4:1124: AC_LIBTOOL_LINKER_OPTION is expanded from... aclocal.m4:3043: _LT_AC_LANG_C_CONFIG is expanded from... aclocal.m4:3042: AC_LIBTOOL_LANG_C_CONFIG is expanded from... aclocal.m4:564: AC_LIBTOOL_SETUP is expanded from... aclocal.m4:544: _AC_PROG_LIBTOOL is expanded from... aclocal.m4:509: AC_PROG_LIBTOOL is expanded from... configure.in:666: the top level configure.in:666: warning: AC_CACHE_VAL(lt_prog_compiler_pic_works, ...): suspicious cache-id, must contain _cv_ to be cached aclocal.m4:1079: AC_LIBTOOL_COMPILER_OPTION is expanded from... aclocal.m4:5154: AC_LIBTOOL_PROG_COMPILER_PIC is expanded from...
autoconf-2.62. I thought we were supposed to be autoconf 2.6 clean per previous thread?