Other things Automake recognizes

Automake will also recognize the use of certain macros and tailor the generated `Makefile.in' appropriately. Currently recognized macros and their effects are:

AC_CONFIG_HEADER

Automake requires the use of AM_CONFIG_HEADER, which is similar to AC_CONFIG_HEADER but does some useful Automake-specific work.

AC_CONFIG_AUX_DIR

Automake will look for various helper scripts, such as `mkinstalldirs', in the directory named in this macro invocation. If not seen, the scripts are looked for in their "standard" locations (either the top source directory, or in the source directory corresponding to the current `Makefile.am', whichever is appropriate). FIXME: give complete list of things looked for in this directory

AC_PATH_XTRA

Automake will insert definitions for the variables defined by AC_PATH_XTRA into each `Makefile.in' that builds a C program or library.

AC_CANONICAL_HOST

AC_CHECK_TOOL

Automake will ensure that `config.guess' and `config.sub' exist. Also, the `Makefile' variables `host_alias' and `host_triplet' are introduced.

AC_CANONICAL_SYSTEM

This is similar to AC_CANONICAL_HOST, but also defines the `Makefile' variables `build_alias' and `target_alias'.

AC_FUNC_ALLOCA

AC_FUNC_GETLOADAVG

AC_FUNC_MEMCMP

AC_STRUCT_ST_BLOCKS

AC_FUNC_FNMATCH

AM_FUNC_STRTOD

AC_REPLACE_FUNCS

AC_REPLACE_GNU_GETOPT

AM_WITH_REGEX

Automake will ensure that the appropriate dependencies are generated for the objects corresponding to these macros. Also, Automake will verify that the appropriate source files are part of the distribution. Note that Automake does not come with any of the C sources required to use these macros, so automake -a will not install the sources. See section Building a library for more information.

LIBOBJS

Automake will detect statements which put `.o' files into LIBOBJS, and will treat these additional files as if they were discovered via AC_REPLACE_FUNCS.

AC_PROG_RANLIB

This is required if any libraries are built in the package.

AC_PROG_CXX

This is required if any C++ source is included.

AM_PROG_LIBTOOL

Automake will turn on processing for libtool (see section `The Libtool Manual' in The Libtool Manual).

AC_PROG_YACC

If a Yacc source file is seen, then you must either use this macro or define the variable `YACC' in `configure.in'. The former is preferred.

AC_DECL_YYTEXT

This macro is required if there is Lex source in the package.

AC_PROG_LEX

If a Lex source file is seen, then this macro must be used.

ALL_LINGUAS

If Automake sees that this variable is set in `configure.in', it will check the `po' directory to ensure that all the named `.po' files exist, and that all the `.po' files that exist are named.

AM_C_PROTOTYPES

This is required when using automatic de-ANSI-fication, see section Automatic de-ANSI-fication.

AM_GNU_GETTEXT

This macro is required for packages which use GNU gettext (see section Gettext). It is distributed with gettext. If Automake sees this macro it ensures that the package meets some of gettext's requirements.

AM_MAINTAINER_MODE

This macro adds a `--enable-maintainer-mode' option to configure. If this is used, automake will cause "maintainer-only" rules to be turned off by default in the generated `Makefile.in's. This macro is disallowed in `Gnits' mode (see section The effect of --gnu and --gnits).

AC_SUBST

AC_CHECK_TOOL

AC_CHECK_PROG

AC_CHECK_PROGS

AC_PATH_PROG

AC_PATH_PROGS

For each of these macros, the first argument is automatically defined as a variable in each generated `Makefile.in'.

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