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* INSTALL: Describe installation of source and debug packages. (Bug#37527)

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Michael Albinus 2019-10-08 11:48:08 +02:00
parent 32a67a5cfb
commit 005ed49495
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INSTALL
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@ -206,7 +206,7 @@ need to compile it. For example, to compile Emacs with support for X
and graphics libraries, you may need to install the X development
package(s), and development versions of the jpeg, png, etc. packages.
The names of the packages that you need varies according to the
The names of the packages that you need vary according to the
GNU/Linux distribution that you use, and the options that you want to
configure Emacs with. On Debian-based systems, you can install all the
packages needed to build the installed version of Emacs with a command
@ -214,6 +214,42 @@ like 'apt-get build-dep emacs' (on older systems, replace 'emacs' with
eg 'emacs25'). On Red Hat-based systems, the corresponding command is
'dnf builddep emacs' (on older systems, use 'yum-builddep' instead).
* GNU/Linux source and debug packages
Many GNU/Linux systems provide separate packages containing the
sources and debug symbols of Emacs. They are useful if you want to
check the source code of Emacs primitive functions or debug Emacs on
the C level.
The names of the packages that you need vary according to the
GNU/Linux distribution that you use. On Debian-based systems, you can
install a source package of Emacs with a command like 'apt-get source
emacs' (on older systems, replace 'emacs' with eg 'emacs25'). The
target directory for unpacking the source tree is the current
directory. On Red Hat-based systems, the corresponding command is
'dnf install emacs-debugsource', with target directory /usr/src/debug
(this requires to add the *-debuginfo repositories first, via 'dnf
config-manager --set-enabled fedora-debuginfo updates-debuginfo').
Once you have installed the source package, for example at
/path/to/emacs-26.1, add the following line to your startup file:
(setq find-function-C-source-directory
"/path/to/emacs-26.1/src")
The installation directory of the Emacs source package will contain
the exact package name and version number Emacs is installed on your
system. If a new Emacs package is installed, the source package must
be reinstalled as well, and the setting in your startup file must be
updated.
Emacs debugging symbols are distributed by a debug package. It does
not exist for every released Emacs package, this depends on the
distribution. On Debian-based systems, you can install a debug
package of Emacs with a command like 'apt-get install emacs-dbg' (on
older systems, replace 'emacs' with eg 'emacs25'). On Red Hat-based
systems, the corresponding command is 'dnf debuginfo-install emacs'.
DETAILED BUILDING AND INSTALLATION: