Release Notes: Support for the Go programming language was added. Autoconf-generated configure scripts now unconditionally re-execute themselves with $CONFIG_SHELL, if that's set in the environment. Autoconf itself now requires Perl 5.6 or better, but not the generated configure scripts. The fallbacks for AC_PROG_LN_S and AS_LN_S were improved. Several macros were added and updated. Minor bugs were fixed.
Release Notes: Support was added for symlinked config.cache files. Newer gfortran is now supported. Several macros were obsoleted in favor of the corresponding Gnulib modules. Several minor bugs were fixed. The portability of the test suites was increased. The documentation was improved.
Release Notes: Recent regressions in the AC_INIT, AC_CONFIG_SUBDIRS, and AC_CHECK_SIZEOF macros were resolved. A new AC_FC_LINE_LENGTH macro was added to accept long Fortran source code lines. AC_PREPROC_IFELSE was enhanced. Parallel execution of the test suite now works again.
Release Notes: Many macros were added and improved. Several bugs were fixed.
Release Notes: The AC_AUTOCONF_VERSION, AC_OPENMP, and AC_PATH_PROGS_FEATURE_CHECK macros were added. AC_C_BIGENDIAN now supports universal binaries like those used by Mac OS X. Performance was improved. Many bugfixes and enhancements were made.
Release Notes: New macros AC_PROG_CXX_C_O, AC_PROG_MKDIR_P, AC_C_FLEXIBLE_ARRAY_MEMBER, and AC_C_VARARRAYS were added. Several macros were made obsolescent and are pending removal. Many fixes were made.
No changes have been submitted for this release.