From 5a4339a609e606562c198ac35ff557958cab1ffc Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Sat, 30 Oct 2021 16:28:25 -0700 Subject: maint: modernize README-{hacking,prereq} --- README-hacking | 77 ++++++++++++++++++++++++++++++++-------------------------- README-prereq | 39 +++++++++++++++++++++++++++++ 2 files changed, 81 insertions(+), 35 deletions(-) create mode 100644 README-prereq diff --git a/README-hacking b/README-hacking index 5ee8cbe..44cb75b 100644 --- a/README-hacking +++ b/README-hacking @@ -1,36 +1,47 @@ --*- outline -*- +Building from a Git repository -*- outline -*- These notes intend to help people working on the checked-out sources. These requirements do not apply when building from a distribution tarball. -See also HACKING for more detailed contribution guidelines. +If this package has a file HACKING, please also read that file for +more detailed contribution guidelines. * Requirements -We've opted to keep only the highest-level sources in the GIT repository. -This eases our maintenance burden, (fewer merges etc.), but imposes more +We've opted to keep only the highest-level sources in the Git repository. +This eases our maintenance burden (fewer merges etc.), but imposes more requirements on anyone wishing to build from the just-checked-out sources. -Note the requirements to build the released archive are much less and -are just the requirements of the standard ./configure && make procedure. +(The requirements to build from a release are much less and are just +the requirements of the standard './configure && make' procedure.) Specific development tools and versions will be checked for and listed by the bootstrap script. See README-prereq for specific notes on obtaining these prerequisite tools. Valgrind is also highly recommended, if -Valgrind supports your architecture. +Valgrind supports your architecture. See also README-valgrind +(if present). While building from a just-cloned source tree may require installing a -few prerequisites, later, a plain 'git pull && make' should be sufficient. +few prerequisites, later, a plain 'git pull && make' typically suffices. -* First GIT checkout +* First Git checkout You can get a copy of the source repository like this: - $ git clone git://git.sv.gnu.org/diffutils - $ cd diffutils + $ git clone git://git.sv.gnu.org/ + $ cd -As an optional step, if you already have a copy of the gnulib git -repository on your hard drive, then you can use it as a reference to -reduce download time and disk space requirements: +where '' stands for 'coreutils' or whatever other package +you are building. + +To use the most-recent Gnulib (as opposed to the Gnulib version that +the package last synchronized to), do this next: + + $ git submodule foreach git pull origin master + $ git commit -m 'build: update gnulib submodule to latest' gnulib + +As an optional step, if you already have a copy of the Gnulib Git +repository, then you can use it as a reference to reduce download +time and file system space requirements: $ export GNULIB_SRCDIR=/path/to/gnulib @@ -39,20 +50,14 @@ which are extracted from other source packages: $ ./bootstrap -To use the most-recent gnulib (as opposed to the gnulib version that -the package last synchronized to), do this next: - - $ git submodule foreach git pull origin master - $ git commit -m 'build: update gnulib submodule to latest' gnulib - And there you are! Just - $ ./configure --quiet #[--enable-gcc-warnings] [*] + $ ./configure --quiet #[--disable-gcc-warnings] [*] $ make $ make check At this point, there should be no difference between your local copy, -and the GIT master copy: +and the Git master copy: $ git diff @@ -60,27 +65,29 @@ should output no difference. Enjoy! -[*] The --enable-gcc-warnings option is useful only with glibc -and with a very recent version of gcc. You'll probably also have -to use recent system headers. If you configure with this option, -and spot a problem, please be sure to send the report to the bug -reporting address of this package, and not to that of gnulib, even -if the problem seems to originate in a gnulib-provided file. +[*] By default GCC warnings are enabled when building from Git. +If you get warnings with recent GCC and Glibc with default +configure-time options, please report the warnings to the bug +reporting address of this package instead of to bug-gnulib, +even if the problem seems to originate in a Gnulib-provided file. +If you get warnings with other configurations, you can run +'./configure --disable-gcc-warnings' or 'make WERROR_CFLAGS=' +to build quietly or verbosely, respectively. +----- * Submitting patches If you develop a fix or a new feature, please send it to the appropriate bug-reporting address as reported by the --help option of each program. One way to do this is to use vc-dwim -), as follows. +), as follows. - Run the command "vc-dwim --help", copy its definition of the - "git-changelog-symlink-init" function into your shell, and then run - this function at the top-level directory of the package. + Run the command "vc-dwim --initialize" from the top-level directory + of this package's git-cloned hierarchy. Edit the (empty) ChangeLog file that this command creates, creating a properly-formatted entry according to the GNU coding standards - . + . Make your changes. @@ -94,7 +101,7 @@ each program. One way to do this is to use vc-dwim ----- -Copyright (C) 2002-2007, 2009-2013, 2015-2021 Free Software Foundation, Inc. +Copyright (C) 2002-2021 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -107,4 +114,4 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License -along with this program. If not, see . +along with this program. If not, see . diff --git a/README-prereq b/README-prereq new file mode 100644 index 0000000..72eece7 --- /dev/null +++ b/README-prereq @@ -0,0 +1,39 @@ +This gives some notes on obtaining the tools required for development. +These tools can be used by the 'bootstrap' and 'configure' scripts, +as well as by 'make'. They include: + +- Autoconf +- Automake +- Gettext +- Git +- Gzip +- Help2man +- M4 +- Make +- Perl +- Tar +- Texinfo +- Wget +- XZ Utils + +It is generally better to use official packages for your system. +If a package is not officially available you can build it from source +and install it into a directory that you can then use to build this +package. If some packages are available but are too old, install the +too-old versions first as they may be needed to build newer versions. + +Here is an example of how to build a program from source. This +example is for Autoconf; a similar approach should work for the other +developer prerequisites. This example assumes Autoconf 2.71; it +should be OK to use a later version of Autoconf, if available. + + prefix=$HOME/prefix # (or wherever else you choose) + export PATH=$prefix/bin:$PATH + wget https://ftp.gnu.org/pub/gnu/autoconf/autoconf-2.71.tar.gz + gzip -d