File fltk-1.3.2-underlinking.patch of Package fltk

Index: src/Makefile
===================================================================
--- src/Makefile.orig
+++ src/Makefile
@@ -231,7 +231,7 @@ $(LIBNAME): $(OBJECTS)
 
 libfltk.so.1.3: $(OBJECTS)
 	echo $(DSOCOMMAND) $@ ...
-	$(DSOCOMMAND) $@ $(OBJECTS)
+	$(DSOCOMMAND) $@ $(OBJECTS) $(LDLIBS)
 	$(RM) libfltk.so
 	$(LN) libfltk.so.1.3 libfltk.so
 
@@ -267,7 +267,7 @@ $(FLLIBNAME): $(FLOBJECTS)
 
 libfltk_forms.so.1.3: $(FLOBJECTS) libfltk.so.1.3
 	echo $(DSOCOMMAND) $@ ...
-	$(DSOCOMMAND) $@ $(FLOBJECTS) -L. -lfltk
+	$(DSOCOMMAND) $@ $(FLOBJECTS) -L. -lfltk $(LDLIBS)
 	$(RM) libfltk_forms.so
 	$(LN) libfltk_forms.so.1.3 libfltk_forms.so
 
@@ -303,7 +303,7 @@ $(GLLIBNAME): $(GLOBJECTS)
 
 libfltk_gl.so.1.3: $(GLOBJECTS) libfltk.so.1.3
 	echo $(DSOCOMMAND) $@ ...
-	$(DSOCOMMAND) $@ $(GLOBJECTS) -L. -lfltk
+	$(DSOCOMMAND) $@ $(GLOBJECTS) -L. -lfltk $(LDLIBS) $(GLDLIBS)
 	$(RM) libfltk_gl.so
 	$(LN) libfltk_gl.so.1.3 libfltk_gl.so
 
@@ -339,7 +339,7 @@ $(IMGLIBNAME): $(IMGOBJECTS)
 
 libfltk_images.so.1.3: $(IMGOBJECTS) libfltk.so.1.3
 	echo $(DSOCOMMAND) $@ ...
-	$(DSOCOMMAND) $@ $(IMGOBJECTS) -L. $(IMAGELIBS) -lfltk
+	$(DSOCOMMAND) $@ $(IMGOBJECTS) -L. $(IMAGELIBS) -lfltk $(LDLIBS)
 	$(RM) libfltk_images.so
 	$(LN) libfltk_images.so.1.3 libfltk_images.so
 
Index: configure
===================================================================
--- configure.orig
+++ configure
@@ -2682,7 +2682,7 @@ if test x$enable_shared = xyes; then
             GLDSONAME="libfltk_gl.so.$FL_API_VERSION"
             IMGDSONAME="libfltk_images.so.$FL_API_VERSION"
             CAIRODSONAME="libfltk_cairo.so.$FL_API_VERSION"
-            DSOCOMMAND="\$(CXX) \$(DSOFLAGS) -Wl,-soname,\$@ \$(LDLIBS) -shared -fPIC $DEBUGFLAG -o"
+            DSOCOMMAND="\$(CXX) -Wl,--as-needed -Wl,--no-undefined \$(DSOFLAGS) -Wl,-soname,\$@ \$(LDLIBS) -shared -fPIC $DEBUGFLAG -o"
 	    if test "x$libdir" != "x/usr/lib" -a "x$libdir" != "x/usr/lib64"; then
 		    DSOLINK="-Wl,-rpath,$libdir"
             fi