update libTangerine dependency

Makefile

@@ -1,4 +1,5 @@
 
+SHELL := /bin/sh
 OBJDIR := build
 SRCDIR := src
 TESTDIR := tests
@@ -26,7 +27,8 @@ BIN := $(BINDIR)/orbital_shipping
 # NOTE: Fixes an issue on Fedora where the default assimp version doesn't
 # 	support glTF2
 ifeq ($(USE_INTERNAL_ASSIMP), y)
-$(info using internal assimp)
+$(warning using internal assimp)
+ASSIMP_DIR := $(LIBDIR)/ext/assimp
 CXXFLAGS += -I$(ASSIMP_DIR)/include
 LDFLAGS := -lSDL2 -lGLEW -lGL -L$(ASSIMP_DIR)/lib -lassimp
 endif
@@ -38,7 +40,7 @@ all: mkdirs $(BIN) $(TEST_BIN)
 -include $(OBJDIR)/*.d
 
 mkdirs:
-	mkdir -p ./bin ./build
+	@-mkdir -p ./bin ./build
 .PHONY: mkdirs
 
 $(BIN): $(COMMON_OBJECTS) $(OBJECTS) $(LIB)
@@ -60,9 +62,11 @@ $(TEST_MAIN_OBJ): $(TEST_MAIN_SOURCE)
 	$(CXX) $(CXXFLAGS) -c -MMD $(TESTDIR)/tests_main.cpp -o $(OBJDIR)/tests_main.o
 
 $(LIB):
+	USE_INTERNAL_ASSIMP=$(USE_INTERNAL_ASSIMP) $(MAKE) -C $(LIBDIR) build_assimp
 	$(MAKE) -C $(LIBDIR)
 
 clean:
 	rm -rf $(OBJDIR)/* $(BIN) bin/test_orbit
 	$(MAKE) -C $(LIBDIR) clean
 .PHONY: clean
+

README

@@ -25,16 +25,22 @@ Building:
 	binaries will be in ./bin
 
 	NOTE: if you get errors regarding assimp when building, you can build a
-		recent version of assimp with the instructions here:
-		https://gitlab.com/cinnaboot/tangerine
+		recent version of assimp by passing USE_INTERNAL_ASSIMP=y to make
 
-		For example after doing the git submodule commands above do:
-
-		$ cd ext/tangerine
-		$ make build_assimp && USE_INTERNAL_ASSIMP=y make
+		$ USE_INTERNAL_ASSIMP=y make
 
 		then, to run the demo,
 
-		$ cd ../../bin
+		$ cd bin
 		$ LD_LIBRARY_PATH=../ext/tangerine/ext/assimp/lib ./orbital_shipping
 
+
+# TODO:
+#	(libTangerine) fold in build_assimp to make dependency
+#	turn off unused default features of internal assimp
+#	compile assimp as static lib into libTangerine if built internal
+#		(can remove LD_LIBRARY_PATH requirement)
+#	(orbital_shipping) update makefile $(LIB) target
+#	make sure git submodule hashes are updated
+#
+

ext/tangerine

@@ -1 +1 @@
-Subproject commit c246258bbdc931027a597be0354a43ac9125b514
+Subproject commit 7676be82d4ea31e94dee2b105a9fa37518dc53cd