;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2018 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2017 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; 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 GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages libsigsegv)
  #:use-module (guix licenses)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix build-system gnu))

(define-public libsigsegv
  (package
   (name "libsigsegv")
   (version "2.12")
   (source (origin
            (method url-fetch)
            (uri (string-append
                  "mirror://gnu/libsigsegv/libsigsegv-"
                  version ".tar.gz"))
            (sha256
             (base32 "1dlhqf4igzpqayms25lkhycjq1ccavisx8cnb3y4zapbkqsszq9s"))))
   (build-system gnu-build-system)
   (home-page "https://www.gnu.org/software/libsigsegv/")
   (synopsis "Library for handling page faults")
   (arguments
    `(;; The shared library isn't built by default but some packages need it.
      #:configure-flags '("--enable-shared")

      ;; On MIPS, work around this error:
      ;;
      ;; In file included from fault-linux-mips-old.h:18:0,
      ;;    [...]
      ;; linux-libre-headers-cross-mips64el-linux-gnu-3.3.8/include/asm/sigcontext.h:57:8: error: redefinition of 'struct sigcontext'
      ,@(if (string-contains (or (%current-target-system) (%current-system))
                             "mips64el")
            `(#:phases (modify-phases %standard-phases
                         (add-before 'configure 'patch-mips-old-h
                           (lambda _
                             (substitute* "src/fault-linux-mips-old.h"
                               (("#include <asm/sigcontext\\.h>") ""))
                             #t))))
            '())))
   (description
    "GNU libsigsegv is a library to handle page faults, which occur when a
program tries to access an unavailable region of memory, in user mode.  By
catching and handling page faults, the program can implement pageable virtual
memory, stack overflow handlers, and so on.")
   (license gpl2+)))
c/release-manifest.scm?id=1197b8b20f4fca4ce03bbc5fa75e18d54e3717c0'>installer: Add Emacs EXWM desktop environment.</a><span class='msg-avail'>...<span class='msg-tooltip'>Suggested by zenny via IRC.

* gnu/installer/services.scm (%system-services): Add emacs, emacs-exwm,
emacs-desktop-environment.
* etc/release-manifest.scm (%system-packages): Likewise.
* gnu/system/examples/lightweight-desktop.tmpl: Likewise.
* gnu/tests/install.scm (installation-target-desktop-os-for-gui-tests)
[packages]: Likewise
* gnu/installer/newt/services.scm (run-desktop-environments-cbt-page): Make
one entry taller.
</span></span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2020-04-15 19:26:55 +0200'>2020-04-15</span></td><td><a href='/guix/commit/etc/release-manifest.scm?id=bd21acf6c390e4fe87eb6053f0b5185d6ecbcf9f'>Merge branch 'master' into core-updates</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-04-14 16:01:05 +0200'>2020-04-14</span></td><td><a href='/guix/commit/etc/release-manifest.scm?id=bab1f340b35078dcfd3cbac67ad56393b53bb46b'>maint: Ensure substitutes are available for '%default-xorg-modules'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/release-manifest.scm (%system-packages): Append
%DEFAULT-XORG-MODULES.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-04-14 16:01:05 +0200'>2020-04-14</span></td><td><a href='/guix/commit/etc/release-manifest.scm?id=8e8d984fd6db77bb5c1bec66369e5e99470d416f'>maint: Actually check for the availablility of system packages.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/release-manifest.scm (%system-manifest): New variable.
&lt;top level&gt;: Add it in 'concatenate-manifests' call.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-04-08 13:05:34 +0200'>2020-04-08</span></td><td><a href='/guix/commit/etc/release-manifest.scm?id=b1f56712c00a39c36ddd87fa42e3a19a28a75ffd'>maint: Adjust release manifest for Guile 3.0 switch.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/release-manifest.scm (%packages-to-cross-build): Refer to
GUILE-3.0/FIXED instead of GUILE-2.2/FIXED.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-04-08 00:05:46 +0200'>2020-04-08</span></td><td><a href='/guix/commit/etc/release-manifest.scm?id=0eb799e6696202316b7e5062ba21bff9ece7a789'>maint: Cross-build GUILE-2.2/FIXED.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/release-manifest.scm (%packages-to-cross-build): Replace
"guile@2.2" with GUILE-2.2/FIXED.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-04-07 12:31:36 +0200'>2020-04-07</span></td><td><a href='/guix/commit/etc/release-manifest.scm?id=1e6fe44da874b96695047dbd3d2b0cc070de9b44'>maint: Remove GCC from the packages to cross-build.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/release-manifest.scm (%packages-to-cross-build): Remove GCC.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-04-04 18:52:35 +0200'>2020-04-04</span></td><td><a href='/guix/commit/etc/release-manifest.scm?id=d8c8bfcc1f7c2e8226abebc6227261c8617f90d0'>maint: Remove unsupported cross-compilation jobs from 'release-manifest.scm'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/release-manifest.scm (%packages-to-cross-build-for-mingw): New
variable.
(%cross-manifest): Use it.  Remove "riscv64-linux-gnu" from %CROSS-TARGETS.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-03-13 17:33:38 +0100'>2020-03-13</span></td><td><a href='/guix/commit/etc/release-manifest.scm?id=f292c5019111f92b6850afdca4b59f4146b9be3b'>maint: Add 'etc/release-manifest.scm'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/release-manifest.scm: New file.
* gnu/ci.scm (%cross-targets): Export.
* build-aux/check-available-binaries.scm: Remove.
* Makefile.am (EXTRA_DIST): Add 'etc/release-manifest.scm' and remove
'build-aux/check-available-binaries.scm'.
(assert-binaries-available): Rewrite using 'guix weather -m'.
</span></span></td><td>Ludovic Courtès</td></tr>