When emerging fam-oss-2.6.9-r1, I get these warnings... Should I worry ? configure.in:40: warning: do not use m4_patsubst: use patsubst or m4_bpatsubst configure.in:602: warning: do not use m4_regexp: use regexp or m4_bregexp WARNING: Using auxiliary files such as `acconfig.h', `config.h.bot' WARNING: and `config.h.top', to define templates for `config.h.in' WARNING: is deprecated and discouraged. WARNING: Using the third argument of `AC_DEFINE' and WARNING: `AC_DEFINE_UNQUOTED' allows to define a template without WARNING: `acconfig.h': WARNING: AC_DEFINE([NEED_MAIN], 1, WARNING: [Define if a function `main' is needed.]) WARNING: More sophisticated templates can also be produced, see the WARNING: documentation. >>> Source unpacked. configure: WARNING: If you wanted to set the --build type, don't use --host. If a cross compiler is detected then cross compile mode will be used. checking for a BSD-compatible install... /bin/install -c checking whether build environment is sane... yes /var/tmp/portage/fam-oss-2.6.9-r1/work/fam-2.6.9/missing: Unknown `--run' option Try `/var/tmp/portage/fam-oss-2.6.9-r1/work/fam-2.6.9/missing --help' for more information configure: WARNING: `missing' script is too old or missing checking for gawk... gawk checking whether make sets $(MAKE)... yes snipped... Reproducible: Always Steps to Reproduce: 1.emerge sync 2.emerge fam-oss 3.
no reason really to fix them ...