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2014-02-21configure.ac: Support --disable-maintainer-modeHolger Weiss1-0/+1
This | allows you to choose whether the so called "rebuild rules" should be | enabled or disabled. With AM_MAINTAINER_MODE([enable]), they are | enabled by default, otherwise they are disabled by default. In the | latter case, if you have AM_MAINTAINER_MODE in configure.ac, and run | `./configure && make', then make will *never* attempt to rebuild | configure, Makefile.ins, Lex or Yacc outputs, etc. I.e., this | disables build rules for files that are usually distributed and that | users should normally not have to update. | | The user can override the default setting by passing either | `--enable-maintainer-mode' or `--disable-maintainer-mode' to | configure. | | People use AM_MAINTAINER_MODE either because they do not want their | users (or themselves) annoyed by timestamps lossage (see CVS), or | because they simply can't stand the rebuild rules and prefer running | maintainer tools explicitly. [ https://www.gnu.org/software/automake/manual/automake.html ]
2014-02-21Rename configure.in to configure.acHolger Weiss1-0/+1829
The old name has been deprecated years ago. The Autoconf documentation says: | Previous versions of Autoconf promoted the name configure.in, which is | somewhat ambiguous (the tool needed to process this file is not | described by its extension), and introduces a slight confusion with | config.h.in and so on (for which `.in' means "to be processed by | configure"). Using configure.ac is now preferred. [ https://www.gnu.org/software/autoconf/manual/autoconf.html ]