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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 (see section `Configuration Header Files' in The Autoconf Manual), 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). See section `Finding `configure' Input' in The Autoconf Manual. 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. See section `System Services' in The Autoconf Manual.

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. See both section `Getting the Canonical System Type' in The Autoconf Manual, and section `Generic Program Checks' in The Autoconf Manual.

AC_CANONICAL_SYSTEM

This is similar to AC_CANONICAL_HOST, but also defines the `Makefile' variables `build_alias' and `target_alias'. See section `Getting the Canonical System Type' in The Autoconf Manual.

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. Also, see section `Particular Function Checks' in The Autoconf Manual.

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. See section `Generic Function Checks' in The Autoconf Manual.

AC_PROG_RANLIB

This is required if any libraries are built in the package. See section `Particular Program Checks' in The Autoconf Manual.

AC_PROG_CXX

This is required if any C++ source is included. See section `Particular Program Checks' in The Autoconf Manual.

AC_PROG_F77

This is required if any Fortran 77 source is included. This macro is distributed with Autoconf version 2.13 and later. See section `Particular Program Checks' in The Autoconf Manual.

AC_F77_LIBRARY_LDFLAGS

This is required for programs and shared libraries that are a mixture of languages that include Fortran 77 (see section Mixing Fortran 77 With C and C++). See section Autoconf macros supplied with Automake.

AM_PROG_LIBTOOL

Automake will turn on processing for libtool (see section `Introduction' 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 (see section `Particular Program Checks' in The Autoconf Manual).

AC_DECL_YYTEXT

This macro is required if there is Lex source in the package. See section `Particular Program Checks' in The Autoconf Manual.

AC_PROG_LEX

If a Lex source file is seen, then this macro must be used. See section `Particular Program Checks' in The Autoconf Manual.

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). This macro defines the `MAINTAINER_MODE' conditional, which you can use in your own `Makefile.am'.

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'. See section `Setting Output Variables' in The Autoconf Manual, and section `Generic Program Checks' in The Autoconf Manual.

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