gentoo-overlay/sci-mathematics/giac/files/giac-1.9.0.67-system-gl2ps.patch

From 753b67c88d7feb166cf99243118943c09beba62a Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Mon, 30 Oct 2023 21:40:57 -0400
Subject: [PATCH 1/1] src: unbundle gl2ps

Updated patch based on the one by infinity0@debian.org. Ours links
only libxcas (and not libgiac) to gl2ps.
---
 configure.ac    | 4 ++++
 src/Graph3d.cc  | 2 +-
 src/Makefile.am | 6 +++---
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index d66c3e1..2acbf30 100644
--- a/configure.ac
+++ b/configure.ac
@@ -469,6 +469,10 @@ dnl		AC_CHECK_LIB(GLU, main)
 	      AC_CHECK_LIB(fltk_images, main)
 	      FLTK_LIBS="$LIBS $X_LIBS"
 	      AC_SUBST(FLTK_LIBS)
+
+	      # GL2PS is only used by xcas (the GUI)
+	      GL2PS_LIBS="-lgl2ps"
+	      AC_SUBST(GL2PS_LIBS)
               cd src && ln -sf ../fltk-1.3.8 && cd ..
            fi
         fi
diff --git a/src/Graph3d.cc b/src/Graph3d.cc
index e653cc4..a6c3468 100644
--- a/src/Graph3d.cc
+++ b/src/Graph3d.cc
@@ -23,7 +23,7 @@
 #define __CARBONSOUND__
 #ifdef HAVE_LIBFLTK
 #ifdef HAVE_LIBFLTK_GL
-#include "gl2ps.h"
+#include <gl2ps.h>
 #else
 void gl_font(int fontid, int size){}
 void gl_draw(const char *){}
diff --git a/src/Makefile.am b/src/Makefile.am
index 7c90381..2ae8003 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -35,17 +35,17 @@ libbf.h list.h cutils.h qjsgiac.h \
 quickjs.h js.h quickjs-atom.h quickjs-libc.h quickjs-opcode.h bf2gmp.h
 
 noinst_LTLIBRARIES = libxcas.la
-libxcas_la_LIBADD = libgiac.la $(FLTK_LIBS)
+libxcas_la_LIBADD = libgiac.la $(FLTK_LIBS) $(GL2PS_LIBS)
 
 libxcas_la_SOURCES = History.cc Input.cc Xcas1.cc Equation.cc Print.cc \
 	Tableur.cc Editeur.cc Graph.cc Graph3d.cc Help1.cc Cfg.cc \
 	Flv_CStyle.cc \
 	Flve_Check_Button.cc Flve_Input.cc Flv_Style.cc Flv_Data_Source.cc \
-	Flve_Combo.cc Flv_List.cc Flv_Table.cc gl2ps.c \
+	Flve_Combo.cc Flv_List.cc Flv_Table.cc \
 	History.h Input.h Xcas1.h Equation.h Print.h Tableur.h \
 	Editeur.h Graph.h Graph3d.h Help1.h Cfg.h Python.cc Python.h \
 	Flv_CStyle.H  Flve_Check_Button.H  Flve_Input.H  Flv_Style.H \
-	Flv_Data_Source.H  Flve_Combo.H Flv_List.H Flv_Table.H gl2ps.h
+	Flv_Data_Source.H  Flve_Combo.H Flv_List.H Flv_Table.H
 
 ##libjavagiac_la_LIBADD = libgiac.la 
 
-- 
2.41.0