As already done in Automake-NG. More details and rationales are given in the commit messages of the individual patches (especially the first one).
Stefano Lattarini (5): Drop support for 'configure.in' as the Autoconf input file maint: reflect removal of 'configure.in' support in comments and messages tests: remove a botched comment from a test case maint: remove last vestiges of 'configure.in' support from the testsuite cleanup: get rid of 'Automake::Configure_ac' module Makefile.am | 1 - NEWS | 4 ++ aclocal.in | 11 ++-- automake.in | 11 ++-- lib/Automake/Configure_ac.pm | 128 -------------------------------------- lib/Automake/Variable.pm | 7 +-- old/TODO | 4 +- syntax-checks.mk | 12 ++-- t/autodist-configure-no-subdir.sh | 10 +-- t/backcompat6.sh | 3 +- t/configure.sh | 59 ------------------ t/help.sh | 7 +-- t/list-of-tests.mk | 1 - 13 files changed, 28 insertions(+), 230 deletions(-) delete mode 100644 lib/Automake/Configure_ac.pm delete mode 100755 t/configure.sh -- 1.8.0.1.409.g252f922