app-emacs/doxymacs: remove -Werror; bump EAPI

Closes: https://bugs.gentoo.org/906024
Signed-off-by: Maciej Barć <xgqt@gentoo.org>

app-emacs/doxymacs/doxymacs-1.8.0-r5.ebuild

@@ -1,9 +1,9 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2023 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=7
+EAPI=8
 
-inherit elisp flag-o-matic
+inherit elisp
 
 DESCRIPTION="Doxygen editing minor mode"
 HOMEPAGE="http://doxymacs.sourceforge.net/"
@@ -13,14 +13,18 @@ LICENSE="GPL-2+"
 SLOT="0"
 KEYWORDS="amd64 x86"
 
-DEPEND=">=dev-libs/libxml2-2.6.13"
-RDEPEND="${DEPEND}"
+RDEPEND=">=dev-libs/libxml2-2.6.13"
+DEPEND="${RDEPEND}"
 
-PATCHES=("${FILESDIR}"/${P}-gcc7.patch)
+PATCHES=(
+	"${FILESDIR}"/${P}-flags.patch
+	"${FILESDIR}"/${P}-gcc7.patch
+)
+
+DOCS=( AUTHORS ChangeLog NEWS README TODO )
 SITEFILE="50${PN}-gentoo.el"
 
 src_configure() {
-	append-flags -Wno-error		#260874
 	econf --with-lispdir="${SITELISP}/${PN}"
 }
 
@@ -31,5 +35,6 @@ src_compile() {
 src_install() {
 	emake DESTDIR="${D}" install
 	elisp-site-file-install "${FILESDIR}/${SITEFILE}"
-	dodoc AUTHORS ChangeLog NEWS README TODO
+
+	einstalldocs
 }

app-emacs/doxymacs/files/doxymacs-1.8.0-flags.patch

@@ -0,0 +1,21 @@
+--- a/c/Makefile.am
++++ b/c/Makefile.am
+@@ -7,6 +7,6 @@ doxymacs_parser_SOURCES = doxymacs_parser.c
+ 
+ INCLUDES = $(XML_CPPFLAGS)
+ 
+-AM_CFLAGS = -Wall -Werror -fexpensive-optimizations -fomit-frame-pointer
++AM_CFLAGS = -Wall
+ 
+ doxymacs_parser_LDADD = $(XML_LIBS)
+--- a/c/Makefile.in
++++ b/c/Makefile.in
+@@ -153,7 +153,7 @@ sysconfdir = @sysconfdir@
+ target_alias = @target_alias@
+ doxymacs_parser_SOURCES = doxymacs_parser.c
+ INCLUDES = $(XML_CPPFLAGS)
+-AM_CFLAGS = -Wall -Werror -fexpensive-optimizations -fomit-frame-pointer
++AM_CFLAGS = -Wall
+ doxymacs_parser_LDADD = $(XML_LIBS)
+ all: all-am
+