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Every Autoconf script, e.g., `configure.ac', should finish by
calling AC_OUTPUT. That is the macro that generates
`config.status', which will create the `Makefile's and any
other files resulting from configuration. This is the only required
macro besides AC_INIT (see section 4.3 Finding configure Input).
`config.status' will perform all the configuration actions: all the
output files (see 4.6 Creating Configuration Files, macro
AC_CONFIG_FILES), header files (see 4.8 Configuration Header Files,
macro AC_CONFIG_HEADERS), commands (see 4.9 Running Arbitrary Configuration Commands, macro AC_CONFIG_COMMANDS), links (see
4.10 Creating Configuration Links, macro AC_CONFIG_LINKS), subdirectories
to configure (see 4.11 Configuring Other Packages in Subdirectories, macro AC_CONFIG_SUBDIRS)
are honored.
Historically, the usage of AC_OUTPUT was somewhat different.
See section 15.4 Obsolete Macros, for a description of the arguments that
AC_OUTPUT used to support.
If you run make in 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 Make variable MAKE, define
output variable SET_MAKE to be empty. Otherwise, define
SET_MAKE to contain `MAKE=make'. Calls AC_SUBST for
SET_MAKE.
If you use this macro, place a line like this in each `Makefile.in'
that runs MAKE on other directories:
@SET_MAKE@ |
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