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* maint: Update copyright years to 2018Mathieu Lirzin2018-01-041-1/+1
| | | | This update has been made with 'make update-copyright'.
* Prefer https: URLsPaul Eggert2017-09-191-1/+1
| | | | | | | | | | | | | | | | | | | | | In Gnulib, Emacs, etc. we are changing ftp: and http: URLs to use https:, to discourage man-in-the-middle attacks when downloading software. The attached patch propagates these changes upstream to Automake. This patch does not affect files that Automake is downstream of, which I'll patch separately. Althouth the resources are not secret, plain HTTP is vulnerable to malicious routers that tamper with responses from GNU servers, and this sort of thing is all too common when people in some other countries browse US-based websites. See, for example: Aceto G, Botta A, Pescapé A, Awan MF, Ahmad T, Qaisar S. Analyzing internet censorship in Pakistan. RTSI 2016. https://dx.doi.org/10.1109/RTSI.2016.7740626 HTTPS is not a complete solution here, but it can be a significant help. The GNU project regularly serves up code to users, so we should take some care here.
* aclocal: Support ACLOCAL_AUTOMAKE_DIR environment variableMathieu Lirzin2017-08-311-0/+6
| | | | | | | | | | | | | * bin/aclocal.in: Reset '@automake_includes' and '@system_includes' in for build environment. Allow setting '@automake_includes' with ACLOCAL_AUTOMAKE_DIR environment variable. (parse_arguments): Ignore 'dirlist' when '@system_includes' is empty. * doc/automake.texi (aclocal Options): Document ACLOCAL_AUTOMAKE_DIR. * bin/wrap-aclocal.in: Remove extra command line options. * pre-inst-env.in: Set ACLOCAL_AUTOMAKE_DIR and ACLOCAL_PATH environment variables. * t/ax/test-defs.in: Adapt. * t/ansi2knr-no-more.sh (warn_rx): Likewise.
* config: Support AUTOMAKE_LIBDIR environment variableMathieu Lirzin2017-08-301-0/+3
| | | | | | | | * lib/Automake/Config.in: Let AUTOMAKE_LIBDIR environment variable override the default location for '$libdir'. * doc/automake.texi (automake Invocation): Document AUTOMAKE_LIBDIR. * pre-inst-env.in (AUTOMAKE_LIBDIR): Set AUTOMAKE_LIBDIR. * bin/wrap-automake.in: Don't use "--libdir" option.
* build: Add 'pre-inst-env' wrapper scriptMathieu Lirzin2017-08-291-0/+32
This script allows someone building Automake from source to easily run 'automake' and 'aclocal' without having to install it or knowing the existence of "wrapped" scripts in "bin" directory. * pre-inst-env.in: New script. * configure.ac: Generate 'pre-inst-env' at configure time. * Makefile.am (nodist_noinst_SCRIPTS, CLEANFILES): Add it.