dev-util/cscope: Fix xcscope.el with >=emacs-27

Patch from upstream (with whitespace changes removed).

Closes: https://bugs.gentoo.org/892071
Signed-off-by: Ulrich Müller <ulm@gentoo.org>

2 files changed, 98 insertions, 0 deletions

diff --git a/dev-util/cscope/cscope-15.9-r1.ebuild b/dev-util/cscope/cscope-15.9-r1.ebuild
new file mode 100644
index 000000000000..f0ca12cf9cfc
--- /dev/null
+++ b/dev-util/cscope/cscope-15.9-r1.ebuild
@@ -0,0 +1,70 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit autotools elisp-common toolchain-funcs
+
+DESCRIPTION="Interactively examine a C program"
+HOMEPAGE="https://cscope.sourceforge.net/"
+SRC_URI="mirror://sourceforge/cscope/${P}.tar.gz"
+
+LICENSE="BSD GPL-2+"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~x86-solaris"
+IUSE="emacs"
+
+RDEPEND=">=sys-libs/ncurses-5.2:0=
+	emacs? ( >=app-editors/emacs-23.1:* )"
+DEPEND="${RDEPEND}"
+BDEPEND="sys-devel/flex
+	virtual/pkgconfig
+	app-alternatives/yacc"
+
+SITEFILE="50${PN}-gentoo.el"
+
+src_prepare() {
+	eapply "${FILESDIR}/${PN}-15.7a-ocs-sysdir.patch" #269305
+	eapply "${FILESDIR}/${PN}-15.9-pkgconfig.patch"
+	eapply "${FILESDIR}/${PN}-15.9-emacs-27.patch"
+	eapply_user
+	mv configure.{in,ac} || die
+	eautoreconf		  # prevent maintainer mode later on
+}
+
+src_configure() {
+	econf --with-ncurses="${EPREFIX}"/usr
+}
+
+src_compile() {
+	emake CURSES_LIBS="$("$(tc-getPKG_CONFIG)" --libs ncurses)"
+	if use emacs; then
+		cd "${S}"/contrib/xcscope || die
+		elisp-compile *.el
+	fi
+}
+
+src_install() {
+	default
+
+	if use emacs; then
+		cd "${S}"/contrib/xcscope || die
+		elisp-install ${PN} *.el *.elc
+		elisp-site-file-install "${FILESDIR}/${SITEFILE}"
+		dobin cscope-indexer
+	fi
+
+	cd "${S}"/contrib/webcscope || die
+	docinto webcscope
+	dodoc INSTALL TODO cgi-lib.pl cscope hilite.c
+	docinto webcscope/icons
+	dodoc icons/*.gif
+}
+
+pkg_postinst() {
+	use emacs && elisp-site-regen
+}
+
+pkg_postrm() {
+	use emacs && elisp-site-regen
+}
diff --git a/dev-util/cscope/files/cscope-15.9-emacs-27.patch b/dev-util/cscope/files/cscope-15.9-emacs-27.patch
new file mode 100644
index 000000000000..48cd7150176d
--- /dev/null
+++ b/dev-util/cscope/files/cscope-15.9-emacs-27.patch
@@ -0,0 +1,28 @@
+https://bugs.gentoo.org/892071
+
+commit eaea31cb93ecddda69a373f83f632e1a450c3c90
+Author: Brock Zheng Techyauld Ltd <yzheng@techyauld.com>
+Date:   Tue Aug 25 20:28:11 2020 +0800
+
+    emacs plugin fixup: GNU/Emacs 27.1 removes function process-kill-without-query
+
+--- a/contrib/xcscope/xcscope.el
++++ b/contrib/xcscope/xcscope.el
+@@ -2006,7 +2006,7 @@
+ 	      (set-process-filter cscope-process cscope-filter-func)
+ 	      (set-process-sentinel cscope-process cscope-sentinel-func)
+ 	      (set-marker (process-mark cscope-process) (point))
+-	      (process-kill-without-query cscope-process)
++              (set-process-query-on-exit-flag cscope-process nil)
+ 	      (if cscope-running-in-xemacs
+ 		  (setq modeline-process ": Searching ..."))
+ 	      (setq buffer-read-only t)
+@@ -2139,7 +2139,7 @@
+ 		   cscope-indexing-script args))
+       (set-process-sentinel cscope-unix-index-process
+ 			    'cscope-unix-index-files-sentinel)
+-      (process-kill-without-query cscope-unix-index-process)
++      (set-process-query-on-exit-flag cscope-unix-index-process nil)
+       )
+     ))
+