bug#7864: odd configure bug with dependency checking and conditional C++ support

http://lists.gnu.org/archive/html/bug-m4/2010-12/msg1.html reported that on Haiku, builds of m4 fail with a strange error: checking dependency style of :... mkdir: cannot create directory `conftest.dir': File or Directory already exists cp: accessing `conftest.dir': Bad data ./configure: line

bug#7860: recursive autoreconf breaks AM_COND_IF conditionalization of AC_CONFIG_FILES

When invoked by autoreconf of a project with nested configure.ac files, automake does not respect the disabling of AC_CONFIG_FILES by the top-level configure.ac using AM_COND_IF, resulting in an incorrect Makefile. Re-running autoreconf from within the nested project produces correct output. http

bug#7862: Cygwin test failure of parallel-am.test

On Cygwin, parallel-am.test fails with a segmentation fault in an automake invocation in the last loop of the test, here's the stackdump: Exception: STATUS_ACCESS_VIOLATION at eip=610F2804 eax=FFD8 ebx=118E6800 ecx=118E9800 edx=118E67E0 esi=118DE828 edi=9028 ebp=118E67D8 esp=027BC330 progr

bug#7648: ylwrap appears not to support bison's lalr1.cc skeleton

Hello automakers, James. JFTR, the "renamed header" part of this bug: > On Wednesday 15 December 2010, James Bostock wrote: >> Hi, >> >> Automake version 1.11.1 >> Autoconf version 2.67 >> Bison versions 1.875 and 2.4.1 >> >> If bison is directed to use the lalr1.cc skeleton file then alt