Update DEPENDENCIES.

* DEPENDENCIES: List the normal dependencies of a package with an
Autoconf-generated configure file. Update info regarding libiconv.

2 files changed, 84 insertions, 5 deletions

diff --git a/ChangeLog b/ChangeLog
index 17fc477..e94815e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2021-02-28  Bruno Haible  <bruno@clisp.org>
+
+	Update DEPENDENCIES.
+	* DEPENDENCIES: List the normal dependencies of a package with an
+	Autoconf-generated configure file. Update info regarding libiconv.
+
 2021-01-31  Bruno Haible  <bruno@clisp.org>
 
 	Switch to autoconf-2.71.
diff --git a/DEPENDENCIES b/DEPENDENCIES
index be47e5c..797bdb4 100644
--- a/DEPENDENCIES
+++ b/DEPENDENCIES
@@ -1,16 +1,89 @@
 The following packages should be installed before GNU libunistring is
-installed:
+installed (runtime dependencies that are also build dependencies):
 
 * GNU libiconv
-  + Not needed on systems with
-      - glibc 2.2 or newer, or
-      - MacOS X 10.3 or newer, or
-      - NetBSD 3.0 or newer.
+  + Not needed on systems with glibc, on macOS, and NetBSD.
     But highly recommended on all other systems.
     Needed for character set conversion of strings from/to Unicode.
   + Homepage:
     https://www.gnu.org/software/libiconv/
   + Download:
     https://ftp.gnu.org/gnu/libiconv/
+  + Pre-built package name:
+    - On Debian and Debian-based systems: --,
+    - On Red Hat distributions: --.
+    - Other: https://repology.org/project/libiconv/versions
   + If it is installed in a nonstandard directory, pass the option
     --with-libiconv-prefix=DIR to 'configure'.
+
+
+The following packages should be installed when GNU libunistring is installed
+(runtime dependencies, but not build dependencies):
+
+None.
+
+
+The following should be installed when GNU libunistring is built, but are not
+needed later, once it is installed (build dependencies, but not runtime
+dependencies):
+
+* A C runtime, compiler, linker, etc.
+  + Mandatory.
+    Either the platform's native 'cc', or GCC 3.1 or newer.
+  + GCC Homepage:
+    https://gcc.gnu.org/
+  + Download:
+    https://ftp.gnu.org/gnu/gcc/
+
+* A 'make' utility.
+  + Mandatory.
+    Either the platform's native 'make' (for in-tree builds only),
+    or GNU Make 3.79.1 or newer.
+  + GNU Make Homepage:
+    https://www.gnu.org/software/make/
+  + Download:
+    https://ftp.gnu.org/gnu/make/
+
+* A shell
+  + Mandatory.
+    Either the platform's native 'sh', or Bash.
+  + Homepage:
+    https://www.gnu.org/software/bash/
+  + Download:
+    https://ftp.gnu.org/gnu/bash/
+
+* Core POSIX utilities, including:
+    [ basename cat chgrp chmod chown cp dd echo expand expr
+    false hostname install kill ln ls md5sum mkdir mkfifo
+    mknod mv printenv pwd rm rmdir sleep sort tee test touch
+    true uname
+  + Mandatory.
+    Either the platform's native utilities, or GNU coreutils.
+  + Homepage:
+    https://www.gnu.org/software/coreutils/
+  + Download:
+    https://ftp.gnu.org/gnu/coreutils/
+
+* The comparison utilities 'cmp' and 'diff'.
+  + Mandatory.
+    Either the platform's native utilities, or GNU diffutils.
+  + Homepage:
+    https://www.gnu.org/software/diffutils/
+  + Download:
+    https://ftp.gnu.org/gnu/diffutils/
+
+* Grep.
+  + Mandatory.
+    Either the platform's native grep, or GNU grep.
+  + Homepage:
+    https://www.gnu.org/software/grep/
+  + Download:
+    https://ftp.gnu.org/gnu/grep/
+
+* Awk.
+  + Mandatory.
+    Either the platform's native awk, mawk, or nawk, or GNU awk.
+  + Homepage:
+    https://www.gnu.org/software/gawk/
+  + Download:
+    https://ftp.gnu.org/gnu/gawk/