# following tests, but some users were unable to figure out that their
# installation was broken since --version appeared to work.
-required_autoconf_version=2.65
+AC_SUBST([required_autoconf_version], [2.65])
AC_CACHE_CHECK([whether autoconf is installed], [am_cv_autoconf_installed],
[if AM_RUN_LOG([$am_AUTOCONF --version]);
then
# Look for C, C++ and fortran compilers to be used in the testsuite.
-dnl We don't care whether the C Compiler supports "-c -o" together
-dnl or not. OTOH, we don't want $CC to be rewritten, so we must
-dnl redefine AM_PROG_CC_C_O to be a no-op.
-m4_define([AM_PROG_CC_C_O], [])
-
dnl We don't want to abort our configuration script if no C compiler is
dnl available, as such a compiler is only required to run part of the
dnl testsuite, not to build or install Automake. Ditto for C++, Fortran