Add external libs for comparisons and benchmarks.

extern/libsquish-1.15/Makefile

@@ -0,0 +1,65 @@
+include config
+
+VER = 1.15
+SOVER = 0
+
+SRC = alpha.cpp clusterfit.cpp colourblock.cpp colourfit.cpp colourset.cpp maths.cpp rangefit.cpp singlecolourfit.cpp squish.cpp
+
+HDR = alpha.h clusterfit.h colourblock.h colourfit.h colourset.h maths.h rangefit.h singlecolourfit.h squish.h
+HDR += config.h simd.h simd_float.h simd_sse.h simd_ve.h singlecolourlookup.inl
+
+OBJ = $(SRC:%.cpp=%.o)
+
+SOLIB = libsquish.so.$(SOVER)
+LIB = $(SOLIB).0
+CPPFLAGS += -fPIC
+LIBA = libsquish.a
+
+.PHONY: all install uninstall docs tgz clean
+
+all: $(LIB) $(LIBA) docs libsquish.pc
+
+install: $(LIB) $(LIBA) libsquish.pc
+	$(INSTALL_DIRECTORY) $(INSTALL_DIR)/include $(INSTALL_DIR)/$(LIB_PATH)
+	$(INSTALL_FILE) squish.h $(INSTALL_DIR)/include
+	$(INSTALL_FILE) $(LIBA) $(INSTALL_DIR)/$(LIB_PATH)
+ifneq ($(USE_SHARED),0)
+	$(INSTALL_FILE) $(LIB) $(INSTALL_DIR)/$(LIB_PATH)
+	ln -s $(LIB) $(INSTALL_DIR)/$(LIB_PATH)/$(SOLIB)
+	ln -s $(LIB) $(INSTALL_DIR)/$(LIB_PATH)/libsquish.so
+	$(INSTALL_DIRECTORY) $(INSTALL_DIR)/$(LIB_PATH)/pkgconfig
+	$(INSTALL_FILE) libsquish.pc $(INSTALL_DIR)/$(LIB_PATH)/pkgconfig
+endif
+
+uninstall:
+	$(RM) $(INSTALL_DIR)/include/squish.h
+	$(RM) $(INSTALL_DIR)/$(LIB_PATH)/$(LIBA)
+	-$(RM) $(INSTALL_DIR)/$(LIB_PATH)/$(LIB)
+	-$(RM) $(INSTALL_DIR)/$(LIB_PATH)/$(SOLIB)
+	-$(RM) $(INSTALL_DIR)/$(LIB_PATH)/libsquish.so
+	-$(RM) $(INSTALL_DIR)/$(LIB_PATH)/pkgconfig/libsquish.pc
+
+$(LIB): $(OBJ)
+ifneq ($(USE_SHARED),0)
+	$(CXX) $(LDFLAGS) -shared -Wl,-soname,$(SOLIB) -o $@ $(OBJ)
+endif
+
+$(LIBA): $(OBJ)
+	$(AR) cr $@ $?
+	@ranlib $@
+
+docs: $(SRC) $(HDR)
+	@if [ -x "`command -v doxygen`" ]; then doxygen; fi
+
+libsquish.pc: libsquish.pc.in
+	@sed 's|@PREFIX@|$(PREFIX)|;s|@LIB_PATH@|$(LIB_PATH)|' $@.in > $@
+
+tgz: clean
+	tar zcf libsquish-$(VER).tgz $(SRC) $(HDR) Makefile config CMakeLists.txt CMakeModules libSquish.* README.txt LICENSE.txt ChangeLog.txt Doxyfile libsquish.pc.in extra --exclude \*.svn\*
+
+%.o: %.cpp
+	$(CXX) $(CPPFLAGS) -I. $(CXXFLAGS) -o $@ -c $<
+
+clean:
+	$(RM) $(OBJ) $(LIB) $(LIBA) libsquish.pc
+	@-$(RM) -rf docs