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Update README

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Adds descriptions for some recent-ish configure options to README.

Also updates the minimum Python version per commit
6c28e44a35.

2019-11-14  Christian Biesinger  <cbiesinger@google.com>

	* README (`configure' options): Update.

Change-Id: I8ce8ca6935afbd130295e143802c585cf1e735f9
This commit is contained in:
Christian Biesinger 2019-11-11 10:39:31 -08:00
parent 45e774e921
commit 9a3516679b
2 changed files with 24 additions and 1 deletions
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gdb/ChangeLog
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@ -1,3 +1,7 @@
2019-11-14 Christian Biesinger <cbiesinger@google.com>
* README (`configure' options): Update.
2019-11-14 Tom Tromey <tromey@adacore.com> 2019-11-14 Tom Tromey <tromey@adacore.com>
* eval.c (evaluate_subexp_standard) <BINOP_ASSIGN>: Do not pass an * eval.c (evaluate_subexp_standard) <BINOP_ASSIGN>: Do not pass an

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gdb/README
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@ -492,7 +492,7 @@ more obscure GDB `configure' options are not listed here.
GDB scripting much more powerful than the restricted CLI GDB scripting much more powerful than the restricted CLI
scripting language. If your host does not have Python installed, scripting language. If your host does not have Python installed,
you can find it on `http://www.python.org/download/'. The oldest you can find it on `http://www.python.org/download/'. The oldest
version of Python supported by GDB is 2.4. The optional argument version of Python supported by GDB is 2.6. The optional argument
PYTHON is used to find the Python headers and libraries. It can PYTHON is used to find the Python headers and libraries. It can
be either the name of a Python executable, or the name of the be either the name of a Python executable, or the name of the
directory in which Python is installed. directory in which Python is installed.
@ -507,6 +507,16 @@ more obscure GDB `configure' options are not listed here.
`pkg-config' executable, which will be queried to find the `pkg-config' executable, which will be queried to find the
information needed to compile and link against Guile. information needed to compile and link against Guile.
`--enable-source-highlight'
When printing source code, use source highlighting. This requires
libsource-highlight to be installed and is enabled by default
if the library is found.
`--with-xxhash'
Use libxxhash for hashing. This has no user-visible effect but
speeds up various GDB operations such as symbol loading. Enabled
by default if libxxhash is found.
`--without-included-regex' `--without-included-regex'
Don't use the regex library included with GDB (as part of the Don't use the regex library included with GDB (as part of the
libiberty library). This is the default on hosts with version 2 libiberty library). This is the default on hosts with version 2
@ -528,6 +538,15 @@ more obscure GDB `configure' options are not listed here.
after being built, the location of the system-wide init file will after being built, the location of the system-wide init file will
be adjusted accordingly. be adjusted accordingly.
`--with-system-gdbinit-dir=DIR'
Configure GDB to automatically load system-wide init files from
a directory. Files with extensions `.gdb', `.py' (if Python
support is enabled) and `.scm' (if Guile support is enabled) are
supported. DIR should be an absolute directory name. If DIR is
in a directory under the configured prefix, and GDB is moved to
another location after being built, the location of the system-
wide init directory will be adjusted accordingly.
`--enable-build-warnings' `--enable-build-warnings'
When building the GDB sources, ask the compiler to warn about any When building the GDB sources, ask the compiler to warn about any
code which looks even vaguely suspicious. It passes many code which looks even vaguely suspicious. It passes many