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Every Autoconf-generated configure script must finish by calling
AC_OUTPUT. It is the macro that generates `config.status',
which will create the `Makefile's and any other files resulting
from configuration. The only other required macro is AC_INIT
(see section Finding configure Input).
`config.status' will take all the configuration actions: all the
output files (see section Creating Configuration Files, macro
AC_CONFIG_FILES), header files (see section Configuration Header Files,
macro AC_CONFIG_HEADERS), commands (see section Running Arbitrary Configuration Commands, macro AC_CONFIG_COMMANDS), links (see
section Creating Configuration Links, macro AC_CONFIG_LINKS), subdirectories
to configure (see section Configuring Other Packages in Subdirectories, macro AC_CONFIG_SUBDIRS)
are honored.
Historically, the usage of AC_OUTPUT was somewhat different.
See section Obsolete Macros, for a description of the arguments that
AC_OUTPUT used to support.
If you run make on subdirectories, you should run it using the
make variable MAKE. Most versions of make set
MAKE to the name of the make program plus any options it
was given. (But many do not include in it the values of any variables
set on the command line, so those are not passed on automatically.)
Some old versions of make do not set this variable. The
following macro allows you to use it even with those versions.
make predefines the variable MAKE, define output
variable SET_MAKE to be empty. Otherwise, define SET_MAKE
to contain `MAKE=make'. Calls AC_SUBST for SET_MAKE.
To use this macro, place a line like this in each `Makefile.in'
that runs MAKE on other directories:
@SET_MAKE@
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