From 6e408b8a2a54b814cd23868e9ea3b14f6021b914 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gonzalo=20Tornar=C3=ADa?= <tornaria@cmat.edu.uy>
Date: Fri, 10 Dec 2021 14:01:01 -0300
Subject: [PATCH] maxima: use a shared lib

---
 .../maxima/patches/use-shared-library.patch   | 21 ++++++++
 srcpkgs/maxima/template                       | 50 +++++++++++++------
 2 files changed, 55 insertions(+), 16 deletions(-)
 create mode 100644 srcpkgs/maxima/patches/use-shared-library.patch

diff --git a/srcpkgs/maxima/patches/use-shared-library.patch b/srcpkgs/maxima/patches/use-shared-library.patch
new file mode 100644
index 0000000000..a8f986ac70
--- /dev/null
+++ b/srcpkgs/maxima/patches/use-shared-library.patch
@@ -0,0 +1,21 @@
+--- a/src/maxima.system	2021-12-02 00:26:23.955984864 -0300
++++ b/src/maxima.system	2021-12-02 00:31:22.299541969 -0300
+@@ -87,13 +87,15 @@
+       (let ((obj (mapcar #'(lambda (p)
+ 			     ;; Convert dir/foo.fas to dir/foo.o
+ 			     (make-pathname :type "o" :defaults p))
+-			 files)))
+-	(c::build-fasl "binary-ecl/maxima" :lisp-files obj
++			 files))
++			(lib '("binary-ecl/libmaxima-ecl.so")))
++	(c::build-shared-library "binary-ecl/maxima-ecl" :lisp-files obj)
++	(c::build-fasl "binary-ecl/maxima" :lisp-files lib
+ 			  :ld-flags
+ 			  (let ((x (symbol-value (find-symbol "*AUTOCONF-LD-FLAGS*"
+ 							      (find-package "MAXIMA")))))
+ 			    (if (and x (not (string= x ""))) (split-string x))))
+-	(c::build-program "binary-ecl/maxima" :lisp-files obj
++	(c::build-program "binary-ecl/maxima" :lisp-files lib
+ 			  :ld-flags
+ 			  (let ((x (symbol-value (find-symbol "*AUTOCONF-LD-FLAGS*"
+ 							      (find-package "MAXIMA")))))
diff --git a/srcpkgs/maxima/template b/srcpkgs/maxima/template
index 798b4f9f00..1a4bec0dba 100644
--- a/srcpkgs/maxima/template
+++ b/srcpkgs/maxima/template
@@ -4,7 +4,7 @@ version=5.45.1
 revision=2
 build_style=gnu-configure
 configure_args="$(vopt_enable clisp) $(vopt_enable sbcl sbcl-exec) $(vopt_enable ecl)"
-hostmakedepends="python3 perl emacs texinfo"
+hostmakedepends="python3 perl emacs texinfo patchelf"
 makedepends="$(vopt_if clisp clisp) $(vopt_if sbcl sbcl) $(vopt_if ecl ecl)"
 depends="$(vopt_if clisp clisp) rlwrap"
 checkdepends="gnuplot"
@@ -24,6 +24,29 @@ desc_option_ecl="Build with ECL"
 build_options_default="sbcl ecl"
 vopt_conflict clisp sbcl
 
+post_build() {
+	if [ "$build_option_ecl" ]; then
+		# everything will go in the same directory, use rpath=$ORIGIN
+		patchelf --remove-rpath src/binary-ecl/libmaxima-ecl.so
+		patchelf --set-rpath \$ORIGIN \
+			src/binary-ecl/{maxima,maxima.fas}
+		patchelf \
+			--replace-needed  binary-ecl/libmaxima-ecl.so libmaxima-ecl.so \
+			src/binary-ecl/{maxima,maxima.fas}
+	fi
+}
+
+do_check() {
+	if [ "$build_option_ecl" ]; then
+		echo "Check that maxima.fas works"
+		ecl --eval "(require 'maxima \"src/binary-ecl/maxima.fas\")" \
+			--eval "(quit)"
+	fi
+
+	# now run the testsuite
+	make ${makejobs} check
+}
+
 post_install() {
 	vmkdir usr/share/doc
 	ln -sf ../maxima/${version}/doc ${DESTDIR}/usr/share/doc/maxima
@@ -68,25 +91,20 @@ xmaxima_package() {
 	}
 }
 
-subpackages="maxima-src maxima-emacs xmaxima"
-
-if [ "$build_option_ecl" ]; then
-	subpackages+=" maxima-ecl"
-fi
-
 maxima-ecl_package() {
 	short_desc+=" - compiled with ECL"
 	depends="${sourcepkg}-${version}_${revision}"
 	pkg_install() {
-		# this is /usr/lib/ecl-${ecl_version}
-		# ideally we would just place it in /usr/lib/ecl but this
-		# doesn't just work
-		# Maybe we can have the ecl package ship a symlink:
-		#     /usr/lib/ecl -> /usr/lib/ecl-${ecl_version}
-		# and have this package just install in /usr/lib/ecl
+		BINARY_ECL=/usr/lib/maxima/${version}/binary-ecl
+		vmove ${BINARY_ECL}
+		vinstall src/binary-ecl/libmaxima-ecl.so 755 ${BINARY_ECL}
+		vinstall src/binary-ecl/maxima.fas 755 ${BINARY_ECL}
+
+		# symlink maxima.fas in ECLDIR
 		ECLDIR=$(ecl -eval "(princ (SI:GET-LIBRARY-PATHNAME))" -eval "(quit)")
-		vmkdir $ECLDIR
-		vinstall src/binary-ecl/maxima.fas 755 $ECLDIR
-		vmove usr/lib/maxima/${version}/binary-ecl
+		vmkdir ${ECLDIR}
+		ln -sr ${PKGDESTDIR}/${BINARY_ECL}/maxima.fas ${PKGDESTDIR}/${ECLDIR}
 	}
 }
+
+subpackages="maxima-src maxima-emacs xmaxima $(vopt_if ecl maxima-ecl)"