mirror of
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77 lines
3.2 KiB
Plaintext
77 lines
3.2 KiB
Plaintext
Major changes in release 1.6:
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* New macro AC_LONG_64_BITS.
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* Multiple .h files can be created.
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* AC_FIND_X looks for X files directly if it doesn't find xmkmf.
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* AC_ALLOCA defines C_ALLOCA if using alloca.c.
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* --with-NAME can take a value, e.g., --with-targets=sun4,hp300bsd.
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* Unused --no-create option to configure removed.
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* autoheader doesn't change the timestamp of its output file if
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the file didn't change.
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* All macros that look for libraries now use AC_HAVE_LIBRARY.
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* config.status checks three optional environment variables to
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modify its behavior.
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* The usual bug fixes.
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Major changes in release 1.5:
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* New macros AC_FIND_X, AC_OFF_T, AC_STAT_MACROS_BROKEN, AC_REVISION.
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* autoconf and autoheader scripts have GNU standards conforming
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--version and --help options (they print their message and exit).
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* Many bug fixes.
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Major changes in release 1.4:
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* New macros AC_HAVE_POUNDBANG, AC_TIME_WITH_SYS_TIME, AC_LONG_DOUBLE,
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AC_GETGROUPS_T, AC_DEFINE_UNQUOTED.
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* autoconf and autoheader use the M4 environment variable to determine the
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path of the m4 program to use.
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* The --macrodir option to autoconf and autoheader specifies the directory
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in which acspecific.m4, acgeneral.m4, etc. reside if not the default.
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* autoconf and autoheader can take `-' as their file names, which means to
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read stdin as input.
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* Resulting configure scripts can take a --verbose option which causes them
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to print the results of their tests.
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* AC_DEFINE quotes its second argument in such a way that spaces, magic
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shell characters, etc. will be preserved during various stages of
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expansion done by the shell. If you don't want this, use
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AC_DEFINE_UNQUOTED instead.
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* Much textual processing done with external calls to tr and sed have been
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internalized with builtin m4 `patsubst' and `translit' calls.
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* AC_OUTPUT doesn't hardwire the filenames it outputs. Instead, you can
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set the shell variables `gen_files' and `gen_config' to the list of
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filenames to output.
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* AC_DECLARE_YYTEXT does an AC_SUBST of `LEX_OUTPUT_ROOT', which may be
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"lex.yy" or "lexyy", depending on the system.
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* AC_PROGRAMS_CHECK takes an optional third arg. If given, it is used as
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the default value.
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* If AC_ALLOCA chooses alloca.c, it also defines STACK_DIRECTION.
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* AC_CONST works much more reliably on more systems.
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* Many bug fixes.
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Major changes in release 1.3:
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configure no longer requires awk for packages that use a config.h.
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Support handling --with-PACKAGE options.
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New `autoheader' script to create `config.h.in' from `configure.in'.
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Ignore troublesome -lucb and -lPW when searching for alloca.
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Rename --exec_prefix to --exec-prefix for GNU standards conformance.
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Improve detection of STDC library.
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Add AC_HAVE_LIBRARY to check for non-default libraries.
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Function checking should work with future GNU libc releases.
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Major changes in release 1.2:
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The --srcdir option is now usually unnecessary.
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Add a file containing sample comments describing CPP macros.
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A comment in config.status tells which host it was configured on.
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Substituted variable values can now contain commas.
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Fix bugs in various feature checks.
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Major changes in release 1.1:
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Added AC_STRCOLL macro.
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Made AC_GETLOADAVG check for more things.
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AC_OUTPUT argument is now optional.
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Various bug fixes.
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