sci-mathematics/maxima: Update Emacs support.

Consolidate "emacs" and "latex" USE flags. Remove the non-functional
"xemacs" flag. Add a configure option to disable Emacs support in the
upstream build system.

Bug: 448242

Package-Manager: portage-2.2.26

3 files changed, 81 insertions, 23 deletions

diff --git a/sci-mathematics/maxima/files/emacs-0.patch b/sci-mathematics/maxima/files/emacs-0.patch
new file mode 100644
index 000000000000..8c84149e256b
--- /dev/null
+++ b/sci-mathematics/maxima/files/emacs-0.patch
@@ -0,0 +1,32 @@
+--- maxima-5.37.3.orig/configure.ac
++++ maxima-5.37.3/configure.ac
+@@ -513,6 +513,17 @@
+ 	fi
+ fi
+ 
++AC_ARG_ENABLE(emacs,
++	[  --enable-emacs               Emacs support],
++	[case "${enableval}" in
++		yes) enable_emacs=true  ;;
++		no)  enable_emacs=false ;;
++		*) AC_MSG_ERROR(bad value ${enableval} for --enable-emacs) ;;
++	esac],
++	[enable_emacs=true])
++
++AM_CONDITIONAL(WANT_EMACS, test x$enable_emacs = xtrue)
++
+ dnl xgettext
+ AC_ARG_ENABLE(gettext,
+ 	[  --enable-gettext             Locale support],
+--- maxima-5.37.3.orig/interfaces/Makefile.am
++++ maxima-5.37.3/interfaces/Makefile.am
+@@ -1,5 +1,8 @@
++if WANT_EMACS
++   MAYBE_EMACS = emacs
++endif
+ if WANT_TK
+    MAYBE_XMAXIMA = xmaxima
+ endif
+-SUBDIRS = emacs $(MAYBE_XMAXIMA)
++SUBDIRS = $(MAYBE_EMACS) $(MAYBE_XMAXIMA)
+ EXTRA_DIST = bin/xmaxima.iss
diff --git a/sci-mathematics/maxima/files/wish-2.patch b/sci-mathematics/maxima/files/wish-2.patch
new file mode 100644
index 000000000000..59427331b38d
--- /dev/null
+++ b/sci-mathematics/maxima/files/wish-2.patch
@@ -0,0 +1,26 @@
+--- maxima-5.37.3.orig/configure.ac
++++ maxima-5.37.3/configure.ac
+@@ -991,6 +991,11 @@
+ 	[  --with-wish=<prog>           Use <prog> for Tk wish shell (default wish)],
+-	[WISH="${withval}"],
+-	[WISH="wish"])
++	[],
++	[with_wish="wish"])
++case "${with_wish}" in
++     no) WISH="none" ;;
++     yes) WISH="wish" ;;
++     *) WISH="${with_wish}" ;;
++esac
+ AC_SUBST(WISH)
+-
++AM_CONDITIONAL(WANT_TK, test x"${with_wish}" != xno)
+ 
+--- maxima-5.37.3.orig/interfaces/Makefile.am
++++ maxima-5.37.3/interfaces/Makefile.am
+@@ -1,2 +1,5 @@
+-SUBDIRS = emacs xmaxima
++if WANT_TK
++   MAYBE_XMAXIMA = xmaxima
++endif
++SUBDIRS = emacs $(MAYBE_XMAXIMA)
+ EXTRA_DIST = bin/xmaxima.iss
diff --git a/sci-mathematics/maxima/maxima-5.37.3-r2.ebuild b/sci-mathematics/maxima/maxima-5.37.3-r3.ebuild
index 3afffbf4c4d4..7c1c8e688e9a 100644
--- a/sci-mathematics/maxima/maxima-5.37.3-r2.ebuild
+++ b/sci-mathematics/maxima/maxima-5.37.3-r3.ebuild
@@ -23,7 +23,7 @@ CONF_FLAG=( .    .     .               ecl  ccl       .     )
 # patch file version; . - no patch
 PATCH_V=(   1    1     .               2    2         1     )
 
-IUSE="latex emacs tk nls unicode xemacs X ${LISPS[*]}"
+IUSE="emacs tk nls unicode X ${LISPS[*]}"
 
 # Languages
 LANGS="es pt pt_BR"
@@ -36,13 +36,11 @@ RDEPEND="!app-emacs/imaxima
 	X? ( x11-misc/xdg-utils
 		 sci-visualization/gnuplot[gd]
 		 tk? ( dev-lang/tk:0 ) )
-	latex? ( virtual/latex-base )
 	emacs? ( virtual/emacs
-		latex? ( app-emacs/auctex
-			app-text/ghostscript-gpl
-			dev-texlive/texlive-latexrecommended ) )
-	xemacs? ( app-editors/xemacs
-		latex? ( app-xemacs/auctex ) )"
+		virtual/latex-base
+		app-emacs/auctex
+		app-text/ghostscript-gpl
+		dev-texlive/texlive-latexrecommended )"
 
 # generating lisp dependencies
 depends() {
@@ -97,7 +95,7 @@ pkg_setup() {
 
 src_prepare() {
 	local n PATCHES v
-	PATCHES=( rmaxima-0 wish-1 xdg-utils-0 db-0 )
+	PATCHES=( emacs-0 rmaxima-0 wish-2 xdg-utils-0 db-0 )
 
 	n=${#PATCHES[*]}
 	for ((n--; n >= 0; n--)); do
@@ -140,7 +138,10 @@ src_configure() {
 		done
 	fi
 
-	econf ${CONFS} $(use_with tk wish) --with-lispdir="${EPREFIX}/${SITELISP}"/${PN}
+	econf ${CONFS} \
+		$(use_with tk wish) \
+		$(use_enable emacs) \
+		--with-lispdir="${EPREFIX}/${SITELISP}/${PN}"
 }
 
 src_compile() {
@@ -156,13 +157,6 @@ src_install() {
 		/usr/share/${PN}/${PV}/xmaxima/maxima-new.png \
 		"Science;Math;Education"
 
-	rm -f "${ED}"/${SITELISP}/${PN}/emaxima.sty
-
-	if use latex; then
-		insinto ${TEXMF}/tex/latex/emaxima
-		doins interfaces/emacs/emaxima/emaxima.sty
-	fi
-
 	# do not use dodoc because interfaces can't read compressed files
 	# read COPYING before attempt to remove it from dodoc
 	insinto /usr/share/${PN}/${PV}/doc
@@ -173,12 +167,14 @@ src_install() {
 	if use emacs; then
 		elisp-install ${PN} interfaces/emacs/{emaxima,imaxima}/*.{el,elc,lisp}
 		elisp-site-file-install "${FILESDIR}"/50maxima-gentoo-1.el
+
+		rm "${ED}"/${SITELISP}/${PN}/emaxima.sty || die
+		insinto ${TEXMF}/tex/latex/emaxima
+		doins interfaces/emacs/emaxima/emaxima.sty
+
 		insinto /usr/share/${PN}/${PV}/doc/imaxima
 		doins interfaces/emacs/imaxima/README
 		doins -r interfaces/emacs/imaxima/imath-example
-	else
-		# remove any emacs files installed by the build system
-		rm -rf "${ED}"/usr/share/emacs
 	fi
 
 	# if we use ecls, build an ecls library for maxima
@@ -190,11 +186,15 @@ src_install() {
 }
 
 pkg_postinst() {
-	use emacs && elisp-site-regen
-	use latex && mktexlsr
+	if use emacs; then
+		elisp-site-regen
+		mktexlsr
+	fi
 }
 
 pkg_postrm() {
-	use emacs && elisp-site-regen
-	use latex && mktexlsr
+	if use emacs; then
+		lisp-site-regen
+		mktexlsr
+	fi
 }